Prasenjit Mitra, Advisor Professor, Gio Wiederhold
Databases, with an emphasis on designing techniques and tools to enable integration and interoperation of data and knowledge over the Internet and across enterprises. In particular: schema matching,...
Page 1 Modularization of the DADAISM Ada Database System Architecture (2009)
Arthur M. Keller, Gio Wiederhold
Abstract. We describe a new database management system architecture designed for long term evolutionary growth of modular DBMSs. This architecture includes the development of Ada package speci...
Distributed Information Organization and Management Framework for Regulation Compliance (2008)
Jie Wang, James O. Leckie, Kincho H. Law, Gio Wiederhold
Regulation compliance is one of the critical services to citizens and businesses for E-government, as identified by the U. S. Office of Management and Budget. Regulation compliance is a complex...
Regulatory Information Management and Compliance Assistance (2008)
Shawn Kerrigan, Charles Heenan, Haoyi Wang, Kincho H. Law, Gio Wiederhold
The REGNET Project aims to develop a formal information infrastructure for regulatory information management and compliance assistance. This paper discusses three components of current research and...
COMMUNICATIONS OF THE ACM/November 1992/Vol.35, No.ll 8~ (2008)
Gio Wiederhold, Peter Wegner, Stefano Ceri
programming Megaprogramming is a technology for programming with large modules called megamodules that capture the functionality of services provided by large organiza-tions like banks, airline...
Framework for the Security Component of an Ada * DBMS (Extended Abstract) (2008)
David Spooner, Arthur M. Keller, Gio Wiederhold
ABSTRACT. This paper discusses a framework for the design of a security component for a secure Ada data-base management system (DBMS). It is part of a de-velopment effort to produce prototype...
Contents Keynote Address. (2008)
JUNE 1986 Vol. 9 No. 2 a quarLerly bulletin of the IEEE computer society
A Software Infrastructure for Government Regulation Analysis and Compliance Assistance (2008)
Gloria T. Lau, Shawn Kerrigan, Haoyi Wang, Kincho H. Law, Gio Wiederhold
Government regulations are voluminous, heavily cross-referenced and often ambiguous. To cope with the complexity and diversity of regulations, we developed a formal information infrastructure for...
Multiresolution Object-of-Interest Detection for Images with Low Depth of Field\Lambda (2008)
Jia Liy, James Ze, Wangz Robert, M. Grayx, Gio Wiederhold
Abstract This paper describes a novel multiresolution image segmentation algorithm for separating sharply focused objects-of-interest from other foreground or background objects in low depth of field...
CLAM: Composition Language for Autonomous (2008)
Dorothea Beringer, Laurence Melloul, Gio Wiederhold
Abstract. Advances in computer networks that support the invocation of remote services in heterogeneous environments enable new levels of software composition. In order to manage composition at such...
Integrating Data into Objects Using Structural Knowledge (2008)
Gio Wiederhold, Ph. D, Arthur M. Keller, Ph. D
The concept of object technology has been well accepted. Using the grouping of data provided by object-oriented data structuring provides advantages in terms of efficient programming and program...
DATA MODEL IMPEGRATICN USING TBE w MODEL (2008)
Cne approach to the design.of a logical model for an integrated database requires each potential user or application to specify its view as a data model. An integration phase follows, where these...
Principal Investigators, Kincho H. Law, Gio Wiederhold, Jim Leckie, Barton Thompson, Shawn Kerrigan, ...
There has been a push by the executive office that government agencies put more emphasis on compliance assistance in lieu of enforcement to encourage companies to comply with regulations. It is well...
Regulatory Information Management and Compliance Assistance (2008)
Shawn Kerrigan, Charles Heenan, Haoyi Wang, Kincho H. Law, Gio Wiederhold
The REGNET Project aims to develop a formal information infrastructure for regulatory information management and compliance assistance. This paper discusses three components of current research and...
Motivation Abstract Access to Simulations in Order to Extend Information Systems (2008)
We have developed a prototype system to provide access to simulations in order to support the decision-making functions of information systems more completely. The central component is a new...
Distributed Megamodules (2008)
Dorothea Beringer, Catherine Tornabene, Pankaj Jain, Gio Wiederhold
New levels of software composition become possible through advances in distributed communication services. In this paper we focus on the composition of megamodules, which are large distributed...
Sequenced vs. pipelined parallel multiple joins in paradata (2008)
Liping Zhu, Arthur M. Keller, Gio Wiederhold
In this report we analyze and compare hash-join based parallel multi-join algorithms for sequenced and pipelined processing. The BBN Butter y machine serves as the host for the performance analysis....
Integrating Data into Objects Using Structural Knowledge (2008)
Gio Wiederhold, Ph. D, Arthur M. Keller, Ph. D
The concept of object technology has been well accepted. Using the grouping of data provided by object-oriented data structuring provides advantages in terms of efficient programming and program...
Efficient Integration of Web Services with Distributed Data Flow and Active Mediation (2008)
David Liu, Env Engineering, Kincho H. Law, Gio Wiederhold
This paper presents a loosely coupled service-composition paradigm. This paradigm employs a distributed data flow that differs markedly from centralized information flow adopted by current service...
A Software Infrastructure for Government Regulation Analysis and Compliance Assistance (2008)
Gloria T. Lau, Shawn Kerrigan, Haoyi Wang, Kincho H. Law, Gio Wiederhold
Government regulations are voluminous, heavily cross-referenced and often ambiguous. To cope with the complexity and diversity of regulations, we developed a formal information infrastructure for...
Legal Information Retrieval and Application on E-Rulemaking (2008)
Gloria T. Lau, Kincho H. Law, Gio Wiederhold
The complexity and diversity of government regulations make understanding the regulations a non-trivial task. One of the issues is the existence of multiple sources of regulations and interpretive...
Sequenced vs. Pipelined Parallel Multiple Joins in (2007)
In this report we analyze and compare hash-join based parallel multi-join algorithms for sequenced and pipelined processing. The BBN Butterfly machine serves as the host for the performance analysis....
Mediation To Implement Feedback In Training (2007)
David Maluf, Gio Wiederhold, Ted Linden, Priya Panchapagesan
imulation-based army training exercises [Crissey94]. MIFT handles some of the information flows involved in training exercise management. The intent of MIFT is to supplement the flow of information...
Mediation To Implement Feedback In Training (2007)
David Maluf, Gio Wiederhold, Ted Linden, Priya Panchapagesan
ormation flows involved in training exercise management. The intent of MIFT is to supplement the flow of information from simulations to evaluation and review and complete a feedback loop by...
Gary Y. Breitbard, Gio Wiederhold
Described in this paper is an implementation of a true incremental compiler designed and executed
System for E�cient and Secure Distribution of Medical Images on the Internet � (2007)
James Ze Wang, Gio Wiederhold, Ph. D
Because of the high compressibility of the medical images, data compression is desirable for digital storage despite the availability of inexpensive hardware for mass storage. A progressive...
System for E cient and Secure Distribution of Medical Images on the Internet (2007)
James Ze Wang, Gio Wiederhold, Ph. D
Because of the high compressibility of the medical images, data compression is desirable for digital storage despite the availability of inexpensive hardware for mass storage. A progressive...
Original articles Content-based image indexing and searching using Daubechies ' wavelets (2007)
James Ze Wang, Gio Wiederhold, Oscar Firschein, Sha Xin Wei
Abstract. This paper describes WBIIS (Wavelet-Based Image Indexing and Searching), a new image indexing and retrieval algorithm with partial sketch image searching capability for large image...
Also Numbered Csl, K. Whang, G. Wicdcrhold, D. Sagalowicz, Kyu-young Whang, Gio Wiederhold, ...
this paper we use the term access to mean the aggregate of access structures assigned to a relation or to the whole database. Most past research directed toward optimal design of physical databases...
Editors Mathai Josef and Bertrand Meyer. (2007)
Gio Wiederhold, Amar Gupta, Erich Neuhold
To be published in a Springer Volume,
37. Mediators, Concepts and Practice (2007)
Mediators are modules in large-scale information systems that link multiple sources of information to applications. Mediated systems exploit autonomous services to permit growth and enable them to...
A Relatedness Analysis of Government Regulations using Domain (2006)
Gloria T. Lau, Kincho H. Law, Gio Wiederhold
The complexity and diversity of government regulations make understanding and retrieval of regulations a non-trivial task. One of the issues is the existence of multiple sources of regulations and...
Onto-Agents-Enabling Intelligent Agents on the Web (2005)
Wiederhold, Gio, Studer, Rudi, Musen, Mark, Decker, Stefan, Staab, Steffen
The objective of OntoAgents project was to develop concepts and modules that can serve as an ontology-driven 'Food Chain' for Advanced Applications on the Web. A number of tools were developed and...
Composition of Engineering Web Services with Distributed Data Flows and Computations (2005)
David Liu, Jun Peng, Gio Wiederhold, Ram D. Sriram, Corresponding Aruthor, Kincho H. Law, ...
This paper describes an experimental Flow-based Infrastructure for Composing Autonomous Services (FICAS), which supports a service-composition paradigm that integrates looselycoupled software...
AN ALGEBRAIC FRAMEWORK FOR THE INTEROPERATION OF ONTOLOGIES (2004)
ii I certify that I have read this dissertation and that, in my opinion, it is fully adequate in scope and quality as a disser-tation for the degree of Doctor of Philosophy.
Fig 1. Accessibility Analysis (2004)
Project Title Regbase, Principal Investigators, Kincho H. Law, Gio Wiederhold, Gloria T. Lau, Xiaoshan Pan, ...
o provide appropriate evaluation (and possibly critics) of the sufficiency and performance of the regulations. Fig. 2 illustrates the potential use of simulation tool to evaluate new guidelines and...
An E-Government Information Architecture for Regulation Analysis and Compliance Assistance (2004)
Gloria T. Lau, Shawn Kerrigan, Env Engineering, Gio Wiederhold, Env Engineering, Kincho H. Law
The complexity and diversity of government regulations make understanding the regulations a non-trivial task. One of the issues is the existence of multiple sources of regulations and interpretive...
Acomparative Analysis Framework For Semistructured (2004)
Documents With Applications, Gloria T. Lau, Kincho H. Law, Gio Wiederhold, Cary Coglianese
The complexity and diversity of government regulations make understanding and retrieval of regulations a non-trivial task. One of the issues is the existence of multiple sources of regulations and...
Engineering Information Service Infrastructure for Ubiquitous Computing (2003)
David Liu, Jinxing Cheng, Kincho H. Law, Gio Wiederhold, Ram D. Sriram
This paper describes a software framework for the development of a ubiquitous computing environment for distributed engineering information services. Two fundamental issues are addressed: universal...
A Framework for Regulation Comparison with Application to Accessibility Codes (2003)
Gloria T. Lau, Kincho H. Law, Gio Wiederhold
An objective of this research is to develop a framework for regulation management as well as for comparing regulations from multiple sources. An online repository for regulatory documents is created...
Composition of Autonomous Services with Distributed Data Flows and Computations (2003)
David Liu, Jun Peng, Kincho H. Law, Gio Wiederhold, Ram D. Sriram
FICAS, an experimental Flow-based Infrastructure for Composing Autonomous Services, supports a service-composition paradigm that integrates loosely-coupled software components. The software...
A Software Infrastructure for Regulatory Information Management and Compliance Assistance (2003)
Shawn L. Kerrigan, Kincho H. Law, James O. Leckie, Gio Wiederhold
There is a great deal of information available online regarding environmental regulations, as well as supplementary documents associated with the regulations. The sheer volume and complexity of this...
Distributed Information Organization and Management Framework for Regulation Compliance (2003)
Jie Wang, James O. Leckie, Kincho H. Law, Gio Wiederhold
Regulation compliance is one of the critical services to citizens and businesses for E-government, as identified by the U. S. Office of Management and Budget. Regulation compliance is a complex...
A Framework for Regulation Comparison with Application to Accessibility Codes (2003)
Gloria T. Lau, Kincho H. Law, Gio Wiederhold
An objective of this research is to develop a framework for regulation management as well as for comparing regulations from multiple sources. An online repository for regulatory documents is created...
We observed a new approach being adopted in the software industry that combines a business model with strong technical support. This Product Flow Model combines aspects of the Product Line model with...
Composition of Autonomous Services with Distributed Data Flows and Computations (2003)
David Liu, Jun Peng, Kincho H. Law, Gio Wiederhold, Ram D. Sriram
This paper presents a Flow-based Infrastructure for Composing Autonomous Services (FICAS) that supports a software composition paradigm, where software components are linked together through an...
Engineering Information Service Infrastructure for Ubiquitous Computing (2003)
David Liu, Jinxing Cheng, Kincho H. Law, Gio Wiederhold, Ram D. Sriram
This paper describes a software framework for the development of a ubiquitous computing environment for distributed engineering information services. Two fundamental issues are addressed: universal...
"It is not the strongest species that survive, nor the most intelligent, but the most
AND THE COMMITTEE ON GRADUATE STUDIES (2003)
Wanqian David Liu, Gio Wiederhold, Kincho H. Law, Armando Fox, Ram D. Sriram
ii
Ramsey-Klee,Diane M., Richman,Vivian, Wiederhold,Gio
A study was conducted to determine the feasibility of developing a computer-based attitudinal research information system (RIS) for the field of Navy personnel research. At present most data bases...
A Structural Model for Database Systems. (2002)
Wiederhold,Gio, El-Masri,Ramez
This report presents a model to be used for database design. Because our motivation extends to providing guidance for the structured implementation of a database, we call out model the Structural...
Read-Only Transactions in a Distributed Database. (2002)
Garcia-Molina,Hector, Wiederhold,Gio
A read-only transaction or query is a transaction which does not modify any data. Read-only transactions could be processed with general transaction processing algorithms, but in many cases it is...
A Database Approach to Communication in VLSI Design, (2002)
Wiederhold,Gio, Beetem,Anne, Short,Garrett
This paper describes recent and planned work at Stanford in applying database technology to the problems of VLSI design. In particular, it addresses the issue of communication within a design's...
Wiederhold,Gio, Berkowitz,Murray, Heystek,Deborah, Keller,Arthur M., Nacathe,Shamkaut
This document outlines a four-part specification for a prototype WIS DBMS. Section 2.0 provides a detailed view of a modular, layered DBMS architecture. While the architecture was not designed to...
Clustering for approximate similarity search in high-dimensional spaces (2002)
Chen Li, Edward Chang, Hector Garcia-molina, Gio Wiederhold
AbstractÐIn this paper, we present a clustering and indexing paradigm (called Clindex) for high-dimensional search spaces. The scheme is designed for approximate similarity searches, where one would...
Scheduling Under Uncertainty: Planning for the Ubiquitous Grid (2002)
Abstract. Computational Grid projects are ushering in an environment where clients make use of resources and services that are far too expensive for single clients to manage or maintain. Clients...
Scheduling Under Uncertainty: Planning for the Ubiquitous Grid (2002)
Abstract: Computational Grid projects are ushering in an environment where clients make use of resources and services that are far too expensive for single clients to manage or maintain. Clients...
Clustering for Approximate Similarity Search in High-Dimensional Spaces (2002)
Chen Li, Edward Y. Chang, Hector Garcia-molina, Gio Wiederhold
In this paper we present a clustering and indexing paradigm (called Clindex) for high-dimensional search spaces. The scheme is designed for approximate similarity searches, where one wishes to find...
Unsupervised multiresolution segmentation for images with low depth of field (2001)
James Z. Wang, Jia Li, Robert M. Gray, Gio Wiederhold
AbstractÐUnsupervised segmentation of images with low depth of field (DOF) is highly useful in various applications including image enhancement for digital cameras, target recognition, image...
An algebra for semantic interoperability of information sources (2001)
Prasenjit Mitra, Gio Wiederhold
Resolving heterogeneity among the various biological information systems is a crucial problem if we wish to gain value from the many distributed resources available to us. For example, information...
SIMPLIcity: Semantics-sensitive integrated matching for picture libraries (2001)
AbstractÐThe need for efficient content-based image retrieval has increased tremendously in many application areas such as biomedicine, military, commerce, education, and Web image classification...
SIMPLIcity: Semantics-sensitive integrated matching for picture libraries (2001)
AbstractÐThe need for efficient content-based image retrieval has increased tremendously in many application areas such as biomedicine, military, commerce, education, and Web image classification...
A Scalable Framework for the Interoperation of Information Sources (2001)
Prasenjit Mitra, Gio Wiederhold, Stefan Decker
Resolving heterogeneity among information systems is a crucial necessity if we wish to gain value from the many distributed resources available to us. Problems of heterogeneity in hardware, operating...
Information infrastructure for regulation management and compliance checking (2001)
Shawn Kerrigan, Gloria Lau, Liang Zhou, Gio Wiederhold, Kincho H. Law
Developers and owners of facilities are facing more and more complicated regulatory and code requirements. These regulatory requirements do provide social benefits as they implement more stringent...
OntoWebber: Model-Driven Ontology-Based Web Site Management (2001)
Yuhui Jin, Stefan Decker, Gio Wiederhold
Abstract. Building data-intensive Web sites and especially Web portals is a costly task, which requires considerable effort for data integration and maintenance and usually does not result in many...
SIMPLIcity: Semantics-sensitive integrated matching for picture libraries (2001)
AbstractÐThe need for efficient content-based image retrieval has increased tremendously in many application areas such as biomedicine, military, commerce, education, and Web image classification...
Information infrastructure for regulation management and compliance checking (2001)
Shawn Kerrigan, Gloria Lau, Liang Zhou, Gio Wiederhold, Kincho H. Law
Developers and owners of facilities are facing more and more complicated regulatory and code requirements. These regulatory requirements do provide social benefits as they implement more stringent...
Classification of Textured and Non-Textured Images Using Region Segmentation (2000)
Jia Li, James Ze Wang, Gio Wiederhold
The classification of general-purpose photographs into textured and non-textured images is critical for developing accurate content-based image retrieval systems for large-scale image databases. With...
An information food chain for advanced applications on the www (2000)
Stefan Decker, Jan Jannink, Prasenjit Mitra, Gio Wiederhold, Steffen Staab, Rudi Studer
The Internet and especially the World Wide Web are growing at a tremendous rate. More and more information is becoming directly available for human consumption. But humans have a limited information...
IRM: Integrated Region Matching for Image Retrieval (2000)
Jia Li, James Z. Wang, Gio Wiederhold
Content-based image retrieval using region segmentation has been an active research area. We present IRM (Integrated Region Matching), a novel similarity measure for regionbased image similarity...
A Graph-Oriented Model for Articulation of Ontology Interdependencies (2000)
Prasenjit Mitra, Gio Wiederhold, Martin Kersten
Ontologies explicate the contents, essential properties, and relationships between terms in a knowledge base. Many sources are now accessible with associated ontologies. Most prior work on the use of...
CHAOS: An Active Security Mediation System (2000)
David Liu Kincho, David Liu, Kincho Law, Gio Wiederhold
With the emergence of the Internet, collaborative computing has become more feasible than ever. Organizations can share valuable information among each other. However, certain users should only...
An Information Food Chain for Advanced Applications on the WWW (2000)
Stefan Decker, Jan Jannink, Prasenjit Mitra, Gio Wiederhold, Steffen Staab, Rudi Studer
The Internet and especially the World Wide Web are growing at a tremendous rate. More and more information is becoming directly available for human consumption. But humans have a limited information...
CHAOS: An Active Security Mediation System (2000)
David Liu, Kincho Law, Gio Wiederhold
. With the emergence of the Internet, collaborative computing has become more feasible than ever. Organizations can share valuable information among each other. However, certain users should only...
A Comprehensive Model for Arbitrary Result Extraction (2000)
Neal Sample, Dorothea Beringer, Gio Wiederhold
Distributed objects and remote services adhere to various standards for data delivery and result extraction. There are multiple means of requesting results and multiple ways of delivering those...
Rational Arithmetic Units In Computer Systems (2000)
Oskar Mencer, Michael J. Flynn, Gio Wiederhold
Computer arithmetic remains important as we move to systems-on-a-chip that dedicate large areas for special-purpose arithmetic units. System application areas such as signal processing, multimedia,...
CHAOS: An Active Security Mediation System (2000)
David Liu Kincho, David Liu, Kincho Law, Gio Wiederhold
With the emergence of the Internet, collaborative computing has become more feasible than ever. Organizations can share valuable information among each other. However, certain users should only...
Clindex: Clustering for similarity queries in high-dimensional spaces (1999)
Chen Li, Edward Chang, Hector Garcia-molina, James Ze Wang, Gio Wiederhold
In this paper we present a clustering and indexing paradigm (called Clindex) for highdimensional search spaces. The scheme is designed for approximate searches, where one wishes to find many of the...
Searching near-replicas of images via clustering (1999)
Edward Chang, Chen Li, James Wang, Peter Mork, Gio Wiederhold
Internet piracy has been one of the major concerns for Web publishing. In this study we present a system, RIME, that we have prototyped for detecting unauthorized image copying on the World-Wide Web....
An algebra for semantic interoperation of semistructured data (1999)
Jan Jannink, Prasenjit Mitra, Erich Neuhold, Srinivasan Pichai, Rudi Studer, Gio Wiederhold
The diversity and availability of information sources on the World Wide Web has set the stage for integration and reuse at an unparalleled scale. There remain obstacles to exploiting the extent of...
Searching near-replicas of images via clustering (1999)
Edward Chang, Chen Li, James Wang, Peter Mork, Gio Wiederhold
Internet piracy has been one of the major concerns for Web publishing. In this study we present a system, RIME, that we have prototyped for detecting unauthorized image copying on the World-Wide Web....
Multiresolution Object-of-Interest Detection for Images with Low Depth of Field (1999)
Jia Li, James Ze, Wang Robert, M. Gray, Gio Wiederhold
This paper describes a novel multiresolution image segmentation algorithm for separating sharply focused objects-of-interest from other foreground or background objects in low depth of eld (DOF)...
An algebra for semantic interoperation of semistructured data (1999)
Prasenjit Mitra, Erich Neuhold, Srinivasan Pichai, Rudi Studer, Gio Wiederhold
The diversity and availability of information sources on the World Wide Web has set the stage for integration and reuse at an unparalleled scale. There remain signicant hurdles to exploiting the...
Semi-automatic Integration of Knowledge Sources (1999)
Prasenjit Mitra, Gio Wiederhold, Jan Jannink
Integration of knowledge from multiple independent sources presents problems due to their semantic heterogeneity. Careful handling of semantics is important for reliable interaction with autonomous...
An Algebra for Semantic Interoperation of Semistructured Data (1999)
Jan Jannink, Prasenjit Mitra, Erich Neuhold, Srinivasan Pichai, Rudi Studer, Gio Wiederhold
The diversity and availability of information sources on the World Wide Web has set the stage for integration and reuse at an unparalleled scale. There remain significant hurdles to exploiting the...
Ontology Maintenance with an Algebraic Methodology: a Case Study (1999)
There is a growing need to combine information from multiple existing knowledge bases for novel uses, and to maintain such information when the underlying knowledge bases change. The autonomy of...
CLAM: Composition Language for Autonomous (1999)
Neal Sample, Dorothea Beringer, Laurence Melloul, Gio Wiederhold
Abstract. Advances in computer networks that support the invocation of remote services in heterogeneous environments enable new levels of software composition. In order to manage composition at such...
CPAM, a Protocol for Software Composition (1999)
Laurence Melloul, Dorothea Beringer, Neal Sample, Gio Wiederhold
Abstract. Software composition is critical for building large-scale applications. In this paper, we consider the composition of components that are methods offered by heterogeneous, autonomous and...
Multiresolution Object-of-Interest Detection for Images with Low Depth of Field (1999)
Jia Li, James Z. Wang, James Ze, Wang Robert, Robert M. Gray, Gio Wiederhold
This paper describes a novel multiresolution image segmentation algorithm for separating sharply focused objects-of-interest from other foreground or background objects in low depth of #eld #DOF#...
The INEEL Data Integration Mediation System (1999)
Bhujanga Panchapagesan, Joshua Hui, Gio Wiederhold, Stephan Erickson, Lynn Dean, Antoinette Hempstead, ...
Large organizations often store their information in multiple separate, independently-controlled locations. Decision making becomes difficult because of the effort involved in getting an overall...
Clindex: Clustering for Similarity Queries in High-Dimensional Spaces (1999)
Chen Li, Edward Chang, Hector Garcia-molina, James Ze Wang, Gio Wiederhold
In this paper we present a clustering and indexing paradigm (called Clindex) for highdimensional search spaces. The scheme is designed for approximate searches, where one wishes to find many of the...
Searching Near-Replicas of Images via Clustering (1999)
Edward Chang, Chen Li, James Wang, Peter Mork, Gio Wiederhold
Internet piracy has been one of the major concerns for Web publishing. In this study we present a system, RIME, that we have prototyped for detecting unauthorized image copying on the World-Wide Web....
A Reuse and Composition Protocol for Services (1999)
Dorothea Beringer, Laurence Melloul, Gio Wiederhold
One important facet of software reuse is the reuse of autonomous and distributed computational services. Components or applications offering services stay at the provider's site, where they are...
Searching near-replicas of images via clustering (1999)
Edward Chang, Chen Li, James Wang, Peter Mork, Gio Wiederhold
Internet piracy has been one of the major concerns for Web publishing. In this study we present a system, RIME, that we have prototyped for detecting unauthorized image copying on the World-Wide Web....
Clindex: Clustering for similarity queries in high-dimensional spaces (1999)
Chen Li, Edward Chang, Hector Garcia-molina, James Ze Wang, Gio Wiederhold
Paper Number 128 In this paper we present a clustering and indexing paradigm (called Clindex) for highdimensional search spaces. The scheme is designed for approximate searches, where one wishes to...
Searching near-replicas of images via clustering (1999)
Edward Chang, Chen Li, James Wang, Peter Mork, Gio Wiederhold
Internet piracy has been one of the major concerns for Web publishing. In this study we present a system, RIME, that we have prototyped for detecting unauthorized image copying on the World-Wide Web....
Optimal Design of Distributed Databases, (1998)
Ceri,Stefano, Navathe,Shamkant, Wiederhold,Gio
The distributed information systems area has seen a rapid growth in terms of research interest as well as in terms of practical applications in the past three years. Distributed systems are becoming...
Separability as a Physical Database Design Methodology, (1998)
Whang,Kyu-Young, Wiederhold,Gio, Sagalowicz,Daniel
Most past research directed toward optimal design of physical databases has concentrated on single-file cases. This research must be extended to the design of the access configuration of multifile...
Managing Objects in a Relational Framework, (1998)
Wiederhold, Gio, Barsalou, Thierry, Chaudhuri, Surajit
The papers collected in this report present ongoing research within the KBMS and PENGUIN projects at Stanford's Computer Science Department and Section on Medical Informatics. They have been issued...
A Model of Object-Identities and Values. (1998)
Toshiyuki, Matsushima, Wiederhold, Gio
An algebraic formalization of the object-oriented data model is proposed. The formalism reveals that the semantics of the object-oriented model consists of two portions. One is expressed by an...
A Mediator Architecture for Abstract Data Access. (1998)
Wiederhold, Gio, Risch, Tore, Rathmann, Peter, DeMichiel, Linda, Chaudhuri, Surajit
This report contains some concept papers describing the general architecture that we envisage to be appropriate for further information systems, as well as a number of papers with specific research...
Flexible Software Composition CHAIMS (1998)
The CHAIMS effort is developing and refining a very high level programming language for software module composition. In the last two years, that language has been codified and is known as CLAM, the...
Scalable Knowledge Composition (1998)
The objective Scalable Knowledge Computing project was to enable reliable composition of information scalably from multiple autonomous sources. We enable interoperation among information sources by...
Database Migration for Command and Control (1998)
Hendler, James, Thuraisingham, Bhanvani, Nelson, Eric, Wiederhold, Gio, Saunders, Scott
A report on the technologies, techniques and procedures required to manage effectively the transition of Air Force databases from one generation of information technology to the next.
RIME: A replicated image detector for the world-wide web (1998)
Edward Y. Chang, James Ze Wang, Chen Li, Gio Wiederhold
This paper describes RIME (Replicated IMage dEtector), an alternative approach towatermarking for detecting unauthorized image copying on the Internet. RIME pro les internet images and stores the...
RIME: A replicated image detector for the world-wide web (1998)
Edward Y. Chang, James Ze Wang, Chen Li, Gio Wiederhold
This paper describes RIME (Replicated IMage dEtector), an alternative approach to watermarking for detecting unauthorized image copying on the Internet. RIME profiles internet images and stores the...
WaveMark: Digital image watermarking using Daubechies’ wavelets and error correcting codes (1998)
As more and more digital images are distributed on-line via the Internet and World-Wide Web, many copyright owners are concerned about protecting the copyright of digital images. This paper describes...
Web implementation of a security mediator for medical databases (1998)
Gio Wiederhold, Michel Bilello, Chris Donahue
Internet access to medical data has greatly facilitated information sharing. As health care institutions become more willing or more pressured to share some of their protected information, tools are...
Web implementation of a security mediator for medical databases (1998)
Gio Wiederhold, Michel Bilello, Chris Donahue
Internet access to medical data has greatly facilitated information sharing. As health care institutions become more willing or more pressured to share some of their protected information, tools are...
Wavelet-Based Progressive Transmission and Security Filtering for Medical Image Distribution (1998)
James Z. Wang, Gio Wiederhold, Jia Li
: With the rapid expansion of computer networks, communication and storage of medical information has entered a new era. Teleclinical practice and computer digital storage are two important medical...
System for Screening Objectionable Images (1998)
James Z. Wang, Jia Li, Gio Wiederhold, Oscar Firschein
As computers and Internet become more and more available to families, access of objectionable graphics by children is increasingly a problem that many parents are concerned about. This paper...
System for Efficient and Secure Distribution of Medical Images on the Internet (1998)
this paper. The system is practical for real-world applications, processing and coding each 12-bit image of size 512 \Theta 512 within 2 seconds on a Pentium Pro. Besides its exceptional speed, the...
Classifying Objectionable Websites Based on Image Content (1998)
James Z. Wang, James Ze, Gio Wiederhold, Jia Li, Li Gio, Oscar Firschein
. This paper describes IBCOW (Image-based Classification of Objectionable Websites), a system capable of classifying a website as objectionable or benign based on image content. The system uses...
Encapsulation and Composition of Ontologies (1998)
Jan Jannink, Srinivasan Pichai, Danladi Verheijen, Gio Wiederhold
Ontology concerns itself with the representation of the objects in the universe and the web of their various connections. The traditional task of ontologists has been to extract from this tangle a...
Protecting Inappropriate Release of Data from Realistic Databases (1998)
Gio Wiederhold, Michel Bilello
In databases that are used for internal operations the data are not organized according to external access criteria. When collaboration with external customers is required the common tools of...
The Roles of Artificial Intelligence in Information Systems (1998)
By determining classes of information processing tasks which are suitable for artificial intelligence approaches we outline an architectural structure for large systems. In that structure processing...
RIME: A Replicated Image Detector for the World-Wide Web (1998)
Edward Chang, James Ze Wang, Chen Li, Gio Wiederhold
This paper describes RIME (Replicated IMage dEtector), an alternative approach to watermarking for detecting unauthorized image copying on the Internet. RIME profiles internet images and stores the...
RIME: A replicated image detector for the world-wide web (1998)
Edward Y. Chang, James Ze Wang, Chen Li, Gio Wiederhold
This paper describes RIME (Replicated IMage dEtector), an alternative approach towatermarking for detecting unauthorized image copying on the Internet. RIME pro les internet images and stores the...
WaveMark: Digital image watermarking using Daubechies’ wavelets and error correcting codes (1998)
As more and more digital images are distributed on-line via the Internet and World-Wide Web, many copyright owners are concerned about protecting the copyright of digital images. This paper describes...
System for Screening Objectionable Images Using Daubechies' Wavelets and Color Histograms (1997)
James Z. Wang, Gio Wiederhold, James Ze, Wang Gio, Oscar Firschein
. This paper describes WIPETM (Wavelet Image Pornography Elimination), an algorithm capable of classifying an image as objectionable or benign. The algorithm uses a combination of Daubechies'...
A Compiler for Composition: CHAIMS (1997)
Louis Perrochon, Gio Wiederhold, Ron Burback
CHAIMS supports an innovative paradigm in software engineering: Composition. The CHAIMS programming language focuses solely on integrating socalled megamodules into new applications. In doing this,...
The Conceptual Basis for Mediation Services (1997)
Prof Dr, Michael Papazoglou, Gio Wiederhold, Gio Wiederhold, Michael Genesereth, Michael Genesereth
Mediator modules comprise a layer of intelligent middleware services in information systems, linking data resources and application programs. Earlier programs that led to the concept of mediation...
Abstraction of Representation for Interoperation (1997)
David A. Maluf, Gio Wiederhold
ion of Representation for Interoperation David A. Maluf and Gio Wiederhold Department of Computer Science Stanford University Stanford, CA 94305 Abstract. When combining data from distinct sources,...
Hardware and Its Parameters (1997)
Gio Wiederhold, Thomas B. Steel
INTRODUCTION This chapter summarizes the hardware used to store data files: mainly tapes and disks. These descriptions will provide background for the understanding of their operation and...
Web Implementation of a Security Mediator for Medical Databases (1997)
Gio Wiederhold, Michel Bilello, Chris Donahue
Internet access to medical data has greatly facilitated information sharing. As health care institutions become more willing or more pressured to share some of their protected information, tools are...
The Conceptual Basis for Mediation Services (1996)
Prof Dr, Michael Papazoglou, Gio Wiederhold, Gio Wiederhold, Michael Genesereth, Michael Genesereth
Mediator modules comprise a layer of intelligent middleware services in information systems, linking data resources and application programs. Earlier programs that led to the concept of mediation...
Protecting Collaboration (1996)
Gio Wiederhold, Michel Bilello, Vatsala Sarathy, XiaoLei Qian
The TIHI (Trusted Interoperation of Healthcare Information) project addresses a security issue that arises when some information is being shared among collaborating enterprises, although not all...
DataBase Management Systems and the Internet (1996)
Susan Malaika, Mariano Consens, Alistair Dunlop, Daniel Ford, S Ramani, Chander Sarna, ...
or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date...
A Security Mediator for Health Care Information (1996)
Gio Wiederhold, Michel Bilello, Vatsala Sarathy, XiaoLei Qian
The TIHI (Trusted Interoperation of Healthcare Information) project addresses a security issue that arises when some information is being shared among collaborating enterprises, although not all...
Towards Megaprogramming: A Paradigm for Component-Based Programming (1996)
Gio Wiederhold, Peter Wegner, Stefano Ceri
Megaprogramming is a technology for programming with large modules called megamodules that capture the functionality of services provided by large organizations like banks, airline reservation...
CoBase: A Scalable and Extensible Cooperative Information System (1996)
Wesley W. Chu, Hua Yang, Kuorong Chiang, Michael Minock, Gladys Chow, Chris Larson, ...
A new generation of information systems that integrates knowledge base technology with database systems is presented for providing cooperative (approximate, conceptual, and associative) query...
Glossary: Intelligent Integration of Information (1996)
this document for I3, metadata, metainformation, and metaknowledge.
Gio Wiederhold, Vatsala Sarathy, Michel Bilello, Xiaolei Qian
issue that arises when some information is beingshared amongcollaboratingenterprises, although not all enterprise information is sharable. It assumes that protection exists to prevent intrusion by...
Shailesh Agarwal, Arthur M. Keller, Gio Wiederhold, Krishna Saraswat
In this work we address the problem of dealing with data inconsistencies while integrating data sets derived from multiple autonomous relational databases. The fundamental assumption in the classical...
Mediation and Software Maintenance (1995)
Gio Wiederhold, Springer Verlag
: This paper reports on recent work and directions in modern software architectures and their formal models with respect to software maintenance. Related earlier work, now entering practice, provides...
Digital Libraries, Value, and Productivity (1995)
While digital libraries may simply be seen as replacing archival paper repositories, rapid organizational changes are associated with the movement to widespread on-line storage and manipulation of...
The Basis for Mediation (1995)
Gio Wiederhold, Michael Genesereth
Mediator modules provide intermediary services in information systems, linking data resources and application programs. Programs that led to the concept of mediation were either constructed to...
Value-added Mediation in Large-Scale Information Systems (1995)
Gio Wiederhold Stanford, Gio Wiederhold
Many information-processing tasks can be part of multiple customer applications, as summarizing stock prices, integrating catolog information from several companies in the same line of business,...
Value-added Mediation in Large-Scale Information Systems (1995)
Many information-processing tasks can be part of multiple customer applications, as summarizing stock prices, integrating catolog information from several companies in the same line of business,...
A Model for Materials Databases (1995)
Gio Wiederhold, Laie Caindec, John Mccarthy, Ken Reifsnider
We present a model for materials data, using terminology and concepts from the database community, to define the complexity and needs which materials data impose on database technology. Many terms...
Modeling and System Maintenance (1995)
: This paper reports on recent work and directions in modern software architectures and their formal models with respect to software maintenance. The focus on maintenance attacks the most costly and...
Shailesh Agarwal, Arthur M. Keller, Gio Wiederhold, Krishna Saraswat
In this work we address the problem of dealing with data inconsistencies while integrating data sets derived from multiple autonomous relational databases. The fundamental assumption in the classical...
Dynamic Maintenance of Data Distribution for Selectivity Estimation (1994)
Whang, Kyu-Young, Kim, Sang-Wook, Wiederhold, Gio
We propose a new dynamic method for multidimensional selectivity estimation for range queries that works accurately independent of data distribution. Good estimation of selectivity is important for...
Penguin: Objects for programs, relations for persistence (1994)
Arthur M. Keller, Gio Wiederhold
Penguin is designed to support object-orientation for application programs while using relational databases as the persistent backing store. Objects are attractive to customers and programmers of...
In this paper we address the problem of interoperation at a semantic level. We assume that emerging standards will solve most of the syntactic infrastructure problems that exist today. However,...
Objects And Domains for Managing Medical Data And Knowledge (1994)
This paper assesses the object-oriented data paradigm, and describes an algebraic approach which permits the generation of data objects from relational data, based on the knowledge captured in a...
Alternatives for Constructing Computing Systems (1994)
Gio Wiederhold, Stephen Cross Arpa
this paper approaches to building large information systems, and contrast two paradigms. The paradigms can be associated with different business practices. Such business practices have an effect on...
Dynamic Maintenance of Data Distribution for Selectivity Estimation (1994)
Kyu-young Whang, Kyu-young Whang, Sang-wook Kim, Sang-wook Kim, Gio Wiederhold, Gio Wiederhold
We propose a new dynamic method for multidimensional selectivity estimation for range queries that works accurately independent of data distribution. Good estimation of selectivity is important for...
Obtaining Information from Heterogeneous Systems (1994)
We visualize a three-layer architecture of private applications, mediating information servers, and information resources which may be databases, domain-specific programs and knowledgebases, sensor...
data type pertaining to instances referred to by the identifier Part of Member of higher level abstract data type Composed of Nested data elements included Range Limits, or a list of permissible...
Interoperation, Mediation, and Ontologies (1994)
In this paper we address the problem of interoperation at a semantic level. We assume that emerging standards will solve most of the syntactic infrastructure problems that exist today. However,...
An Algebra for Ontology Composition (1994)
INTRODUCTION To compose large scale software there has to be agreement about the terms, since our models depend on symbolic linkages among the components. In modestly-sized systems, we implicitely...
Specification of the KQML Agent-Communication Language (1994)
Tim Finin, Jay Weber, Gio Wiederhold, Mike Genesereth, Rich Fritzson, Don McKay, ...
this document send a message to kqml-users@isi.edu) Tim Finin (co-chair) University of Maryland Jay Weber (co-chair) Enterprise Integration Technologies Gio Wiederhold (former co-chair) Stanford...
Evaluating Recursive Queries in Distributed Databases (1993)
Wolfgang Nejdl, Stefano Ceri, Gio Wiederhold
In this paper, we study the execution of logic queries in a distributed database environment. We assume that each local database system can execute logic queries, and we design methods for the...
DRAFT Specification of the KQML Agent-Communication Language (1993)
Tim Finin, Jay Weber, Gio Wiederhold, Michael Genesereth, Richard Fritzson, Donald Mckay, ...
This document is a draft of an initial specification for the KQML agent communication language being developed by the external interfaces working group of the DARPA Knowledge Sharing Effort. KQML is...
The Role of Government in Standards (1993)
Introduction The role of government, at a high conceptual level, is to assure the country's stability while promoting progress, and standards certainly encourage stability. Standards efforts are...
Mediators in the architecture of future information systems (1992)
The installation of high-speed networks using optical fiber and high bandwidth messsage forwarding gateways is changing the physical capabilities of information systems. These capabilities must be...
Towards Megaprogramming: A Paradigm for Component-Based Programming (1992)
Gio Wiederhold, Peter Wegner, Stefano Ceri
Megaprogramming is a technology for programming with large modules called megamodules that capture the functionality of services provided by large organizations like banks, airline reservation...
An Overview of KQML: A Knowledge Query and Manipulation Language (1992)
Hans Chalupsky, Tim Finin, Rich Fritzson, Don Mckay, Stu Shapiro, Gio Wiederhold
We describe a language and protocol intended to support interoperability among intelligent agents in a distributed application. Examples of applications envisioned include intelligent multi-agent...
Mediators in the Architecture of Future Information Systems (1992)
The installation of high-speed networks using optical fiber and high bandwidth messsage forwarding gateways is changing the physical capabilities of information systems. These capabilities must be...
Model-free Optimization (1992)
We consider how programming-in-the-large differs from programming-in-the-small. We then focus on resolving a critical conflict that arises when building large software systems. Large systems have...
Intelligent Integration of Diverse Information (1992)
We will present the architecture of an intermediate processing layer for large information systems. Tasks assigned to that layer include managing access to information resources as databases,...
Mediators in the architecture of future information systems (1992)
An edited version of this report was published in
Implementing Hypertext Database Relationships through Aggregations and Exceptions (1991)
Yoshinori Hara, Arthur M. Keller, Peter K. Rathmann, Gio Wiederhold
In order to combine hypertext with database facilities, we show how to extract an effective storage structure from given instance relationships. The schema of the structure recognizes clusters and...
Updating Relational Databases through Object-Based Views (1991)
Thierry Barsalou, Niki Siambela, Arthur M. Keller, Gio Wiederhold
The view-object model provides a formal basis for representing and manipulating object-based views on relational databases. In this paper, we present a scheme for handling update operations on view...
Use of Relational Storage and a Semantic Model to Generate Objects: The PENGUIN Project (1991)
Gio Wiederhold, Thierry Barsalou, Byung Suk Lee, Niki Siambela, Walter Sujansky
Introduction Relational technology provides a basis for reliable sharing of large bodies of information. Object approaches provide conceptual locality of information to focus users attention....
Implementing Hypertext Database Relationships through Aggregations and Exceptions (1991)
Yoshinori Hara, Arthur M. Keller, Gio Wiederhold
In order to combine hypertext with database facilities, we show how to extract an effective storage structure from given instance relationships. The schema of the structure recognizes clusters and...
Incremental Recomputation of Active Relational Expressions (1991)
Database updates are small and incremental compared to database contents. It is therefore desirable that recomputations of active relational expressions -- such as views, derived data, integrity...
Relationship Abstractions for an Effective Hypertext Design: Augmentation and Globalization (1991)
Yoshinori Hara, Arthur M. Keller, Gio Wiederhold
ions for an Effective Hypertext Design: Augmentation and Globalization Yoshinori Hara Arthur M. Keller y Gio Wiederhold z NEC Corporation Advanced Decision Systems and and Stanford University x...
Implementing hypertext database relationships through aggregations and exceptions (1991)
Yoshinori Hara, Arthur M. Keller, Gio Wiederhold
In order to combine hypertext with database facilities, we show how to extract an effective storage structure from given instance relationships. The schema of the structure recognizes clusters and...
Sequence vs. Pipeline Parallel Multiple Joins in Paradata (1991)
L. Zhu, A. M. Keller, G. Wiederhold, Liping Zhu, Arthur M. Keller, Gio Wiederhold
In this report we analyze and compare hash-join based parallel multi-join algorithms for sequenced and pipelined processing. The BBN Butterfly machine serves as the host for the performance analysis....
Updating Relational Databases through Object-Based Views (1991)
Thierry Barsalou, Arthur M. Keller, Niki Siambela, Gio Wiederhold
The view-object model provides a formal basis for representing and manipulating object-based views on relational databases. In this paper, we present ascheme for handling update operations on view...
Consistency Control of Replicated Data in Federated Databases (1990)
Introduction Distributed databases will not be able to accept many of the operational constraints that derive from applying concepts based on experience with centralized databases. As communication...
Outer Joins and Filters for Instantiating Objects from Relational Databases through Views (1990)
One of the approaches for integrating object-oriented programs with databases is to instantiate objects from relational databases by evaluating view queries. In that approach, it is often necessary...
Modularization of the DADAISM Ada Database System Architecture (1989)
Arthur M. Keller, Gio Wiederhold
Abstract. We describe a new database management system architecture designed for long term evolutionary growth of modular DBMSs. This architecture includes the development of Ada package...
Model-Driven Image Analysis to Augment Databases (1989)
Gio Wiederhold, Jim Brinkley, Ramin Samadani, C. Robert Clauer
In this paper we consider how information may be obtained from images. To search large image collections we need to search on secondary parameters. We may look for images containing certain types of...
Layering an Engineering Information System (1989)
Gio Wiederhold, Marianne Winslett, Nicholas Naclerio, Lt Nicholas Naclerio
In this note we define a layering intended to structure the many concepts which arise in the development of an Engineering Information System. The industrial benefits to be gained by such a layering...
File organisation for database design / Gio Wiederhold (1987)
Incluye bibliografía e índice
Uncertainty and Methods for Dealing with Uncertainty. (1987)
Gio Wiederhold, Claus-rainer Rollinger, Josef Gemander, Rudi Studer
In this note we introduce a proposal to provide a mechanism to deal with uncertainty in a PROLOG environment. The intent is that such a mechanism will enable experimental and comparative research on...
Deisgn Concepts and Implementation of Databases (1987)
INTRODUCTION, Chapter 1, file D1CID.TEX April 4, 1996 This file is c fl1987 by Gio Wiederhold. All rights reserved. Do not duplicate. Chapter 1: current Chapter 1 1-0 Introduction add references to...
A New Relationship Type: The Identity Connection (1987)
A new relationship type is proposed which permits describing the issues raised when information is distributed over autonomous workstations. The proposed identity connection identifies data which...
Views, Objects, and Databases (1986)
The major point of this note is that it appears to be unwise to store persistent objects, which are to be shared, in object format. There appears to be a major conflict between the database paradigm:...
Diseño de Bases de Datos / G. Wiederhold; tr. por: Ma. de Lourdes Fournier García. (1985)
Traducción de: Data Base Design
Traducción de: Detabase design
Separability - An Approach to Physical Database Design (1984)
WHANG, KYU-YOUNG, WIEDERHOLD, GIO, SAGALOWICZ, DANIEL
A theoretical approach to the optimal design of a large multifile physical database is presented. The design algorithm is based on the theory that, given a set of join methods that satisfy a certain...
Vertical Partitioning Algorithms for Database Design (1984)
Shamkant Navathe, Stefano Ceri, Gio Wiederhold, Jinglie Dou
This paper addresses the vertical partitioning of a set of logical records or a relation into fragments. The rationale behind vertical partitioning is to produce fragments, groups of attribute...
Estimating Block Accesses in Database Organizations: A Closed Noniterative Formula (1983)
WHANG, KYU-YOUNG, WIEDERHOLD, GIO, SAGALOWICZ, DANIEL
A closed, noniterative formula is introduced for estimating the number of block accesses in a database organization, and the error analyzed. This formula, an approximation of Yao's exact formula, has...
Physical Design of Network Model Databases Using’ the Property of Separability (1982)
Whang, Kyu-Young, Wiederhold, Gio, Sagalowicz, Daniel
A physical design methodology for network model databases is dcvclopcd using the theory of separability. In particular, a large subset of practically important access structures provided by network...
A Database Approach to Communication in VLSI Design (1982)
Anne Beet Em, Gio Wiederhold, Gio Wiederhold, Gio Wiederhold, Anne Beetem, Anne Beetem, ...
This paper describes recent and planned work at Stanford in applying database technology to problems of VLSI design. In particular, it the issue of communication within a design's and...
Gio Wiederhold Research sponsored by (1980)
Gio Wiederhold, Gio Wiederhold
This report defines database design and implementation technology as applicable to healthcare. The relationship of technology to various healthcare settings is explored, and the effectiveness on...
Lessons from shade and pact. In C. Petrie, editor, Enterprise (1980)
Mike P. Papazoglou, Jon Pastor, Don Mckay, Tim Finin, R. Patil, ...
communication and control in a distributed problem solver. IEEE Transactions on Computers, C-29(12):1104--1113,
Lessons from shade and pact. In C. Petrie, editor, Enterprise (1980)
Mike P. Papazoglou, Jon Pastor, Don Mckay, Tim Finin, R. Patil, ...
communication and control in a distributed problem solver. IEEE Transactions on Computers, C-29(12):1104--1113,
Se intenta presentar los métodos, criterios de opciones entre alternativas y principios y conceptos, que son relevantes en la práctica en el diseño de base de datos. Este libro provee la base que...
Database Design / G. Wiederhold. (1977)
Se intenta presentar los métodos, criterios de opciones entre alternativas y principios y conceptos, que son relevantes en la práctica en el diseño de base de datos. Este libro provee la base que...
What is your Software Worth? (0000)
RESUMEN RESUMEN By applying well-known principlesof intellectual property valuation,sales expectations, growth of maintained software, discounting to present value, and the like, a...
RESUMEN RESUMEN By applying well-known principlesof intellectual property valuation,sales expectations, growth of maintained software, discounting to present value, and the...
Applying a Semantic Model to an Immunology Database
Barsalou, Thierry, Wiederhold, Gio
Work is underway to develop a research database that will assist investigators in designing protocols for flow-cytometry immunologic experiments. Flexibility, consistency, cooperation and...
Representing Probabilistic Knowledge in Relational Databases
Barsalou, Thierry, Chavez, R. Martin, Wiederhold, Gio
As knowledge bases are enlarged to support more complex classes of problems, expert systems will demand efficient knowledge-management techniques—techniques that are already available in database...
A Cooperative Hypertext Interface to Relational Databases
Barsalou, Thierry, Wiederhold, Gio
Biomedical information systems demand cooperative interfaces that maximize the flow of information between machine and user. Within the framework of the PENGUIN project—an object-oriented...
A Discussion of the Draft Proposal for Data Exchange Standards for Clinical Laboratory Results
McDonald, Clement, Wiederhold, Gio, Simborg, Donald W., Hammond, Ed, Jelovsek, Fredrick R., Schneider, Ken
A task force of AAMSI is developing standards for data exchange between laboratory and clinical practice. An early draft standard is presented. We look for criticism and comments from commercial...
The Evolution of Ambulatory Medical Record Systems in the U.S
Kuhn, Ingeborg M., Wiederhold, Gio
This paper is an overview of the developments in Automated Ambulatory Medical Record Systems (AAMRS) from 1975 to the present. A summary of findings from a 1975 state-of-the-art review is presented...