Abstract Computing Capabilities of Mediators (2008)
Ramana Yerneni, Ohen Li, Hector Garcia-molina, Jeffrey Ullman
Existing data-integration systems based on the media-tion architecture employ a variety of mechanisms to de-scribe the query-processing capabilities of sources. How-ever, these systems do not compute...
Enric Plaza, Yves Kodratoff (eds, Machine Learning, Knowledge Acquisition, Leonard Breslow, Jeffrey Ullman, ...
"Fundamentals of Database Systems " (3rd edn.), Addison−Wesley, 2000. (2008)
Jeffrey Ullman, Jennifer Widom, R Elmasri, S B Navathe, A Silberschatz, H F Korth, ...
Adobe Systems Incorporated. TIFF (Tagged Image File Format) 6.0 Specification. Adobe (2008)
Alfred V. Aho, John E. Hopcroft, Jeffrey Ullman, Data Structures, Christopher Alex, Sara Ishikawa, ...
Bibliography [Abelson85] (2008)
Harold Abelson, Gerald Jay Sussman, Julie Sussman, Alfred Aho, Ravi Sethi, Jeffrey Ullman, ...
DATA MANAGEMENT AND QUERY PROCESSING FOR (2000)
Semistructured Data, Dallan Quass, Jeffrey Ullman
as a dissertation for the degree of Doctor of Philosophy.
Optimizing large join queries in mediation systems (1999)
Ramana Yerneni, Chen Li, Jeffrey Ullman, Hector Garcia-molina
Abstract. In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sources of...
Optimizing large join queries in mediation systems (1999)
Ramana Yerneni, Chen Li, Jeffrey Ullman, Hector Garcia-molina
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sources of diverse and...
Computing Capabilities of Mediators (1999)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Jeffrey Ullman
In data-integration systems, the queries supported by a mediator are affected by the query-processing limitations of the sources being integrated. Existing mediation systems employ a variety of...
Optimizing Large Join Queries in Mediation Systems (1999)
Ramana Yerneni Chen, Chen Li, Jeffrey Ullman, Hector Garcia-molina
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sources of diverse and...
Computing Capabilities of Mediators (1999)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Jeffrey Ullman
In data-integration systems, the queries supported by a mediator are affected by the queryprocessing limitations of the sources being integrated. Existing mediation systems employ a variety of...
Computing Capabilities of Mediators (1999)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Jeffrey Ullman
Existing data-integration systems based on the mediation architecture employ a variety of mechanisms to describe the query-processing capabilities of sources. However, these systems do not compute...
Optimizing Large Join Queries in Mediation Systems (1999)
Chen Li, Ramana Yerneni, Jeffrey Ullman, Hector Garcia-molina
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sources of diverse and...
Computing Capabilities of Mediators (1999)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Jeffrey Ullman
In data-integration systems, the queries supported by a mediator are affected by the queryprocessing limitations of the sources being integrated. Existing mediation systems employ a variety of...
Optimizing Large Join Queries in Mediation Systems (1999)
Ramana Yerneni, Chen Li, Jeffrey Ullman, Hector Garcia-molina
. In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sources of diverse and...
THERMOLYSIS STUDIES OF GROUP IV DERIVATIVES OF PENTABORANE (9). (1998)
Gaines,Donald F., Iorns,Terry V., Ullman,Jeffrey, Clevenger,Elna
The report concerns the thermolysis products obtained from Group IV derivatives of pentaborane of the general type R3M(IV)B5H8 (where R = H or CH3, and M(IV) = Si or Ge). Significant yields of CB5H9...
Capability based mediation in TSIMMIS (1998)
Chen Li, Ramana Yerneni, Vasilis Vassalos, Hector Garcia-molina, Yannis Papakonstantinou, Jeffrey Ullman, ...
The TSIMMIS system [1] integrates data from multiple heterogeneous sources and provides users with seamless integrated views of the data. It translates a user query on
Capability Based Mediation in TSIMMIS (1998)
Chen Li, Ramana Yerneni, Vasilis Vassalos, Hector Garcia-molina, Yannis Papakonstantinou, Jeffrey Ullman
this paper, we show how the TSIMMIS mediator takes into account the capabilities of the sources to generate feasible query plans for user queries. Section 2 explains how the mediator processes user...
Representative objects: Concise representations of semistructured, hierarchical data (1997)
Svetlozar Nestorov, Jeffrey Ullman, Janet Wiener, Sudarshan Chawathe
In this paper we introduce the representative object, which uncovers the inherent schema(s) in semistructured, hierarchical data sources and provides a concise description of the structure of the...
Representative Objects: Concise Representations of Semistructured, Hierarchical Data (1997)
Svetlozar Nestorov Jeffrey, Jeffrey Ullman, Janet Wiener, Sudarshan Chawathe
In this paper we introduce the representative object, which uncovers the inherent schema(s) in semistructured, hierarchical data sources and provides a concise description of the structure of the...
The TSIMMIS Approach to Mediation: Data Models and Languages (1997)
Hector Garcia-molina, Yannis Papakonstantinou, Dallan Quass, Yehoshua Sagiv, Jeffrey Ullman, Vasilis Vassalos, ...
TSIMMIS --- The Stanford-IBM Manager of Multiple Information Sources --- is a system for integrating information. It offers a data model and a common query language that are designed to support the...
The TSIMMIS Approach to Mediation: Data Models and Languages (1997)
Hector Garcia-molina, Yannis Papakonstantinou, Dallan Quass, Yehoshua Sagiv, Jeffrey Ullman, Vasilis Vassalos, ...
TSIMMIS --- The Stanford-IBM Manager of Multiple Information Sources --- is a system for integrating information. It offers a data model and a common query language that are designed to support the...
MedMaker: A Mediation System Based on Declarative Specifications (1996)
Yannis Papakonstantinou, Hector Garcia-molina, Jeffrey Ullman
Mediators are used for integration of heterogeneous information sources. We present a system for declaratively specifying mediators. It is targeted for integration of sources with unstructured or...
Mediator Languages - a Proposal for a Standard (1996)
Peter Buneman, Louiqa Raschid, Jeffrey Ullman
types (with methods) ffl Exchange of Meta-data In addition, early on in the Maryland meeting, it was decided that the following areas should also be discussed: ffl Exchange format for the data. ffl...
Integrating and Accessing Heterogeneous Information Sources in TSIMMIS (1995)
Hector Garcia-Molina, Joachim Hammer, Kelly Ireland, Yannis Papakonstantinou, Jeffrey Ullman, Jennifer Widom
The goal of the Tsimmis Project is to develop tools that facilitate the rapid integration of heterogeneous information sources that may include both structured and unstructured data. This paper gives...
Information translation, mediation, and mosaic-based browsing in the TSIMMIS system (1995)
Joachim Hammer, Hector Garcia-Molina, Kelly Ireland, Yannis Papakonstantinou, Jeffrey Ullman, Jennifer Widom
The tsimmis project [2] provides an architecture and tools for accessing multiple heterogeneous information sources by translating source information into a common self-describing object model,...
Integrating and Accessing Heterogeneous Information Sources in TSIMMIS (1995)
Hector Garcia-molina, Joachim Hammer, Kelly Ireland, Yannis Papakonstantinou, Jeffrey Ullman, Jennifer Widom
The goal of the Tsimmis Project is to develop tools that facilitate the rapid integration of heterogeneous information sources that may include both structured and unstructured data. This paper gives...
Information Translation, Mediation, and Mosaic-Based Browsing in the tsimmis System (1995)
Joachim Hammer, Hector Garcia-Molina, Kelly Ireland, Yannis Papakonstantinou, Jeffrey Ullman, Jennifer Widom
this document are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements, either express or implied, of the US Government. MSWindows...
A Query Translation Scheme for Rapid Implementation of Wrappers (1995)
Yannis Papakonstantinou, Ashish Gupta, Hector Garcia-molina, Jeffrey Ullman
Wrappers provide access to heterogeneous information sources by converting application queries into source specific queries or commands. In this paper we present a wrapper implementation toolkit that...
A Query Translation Scheme for Rapid Implementation of Wrappers (Extended Version) (1995)
Yannis Papakonstantinou, Ashish Gupta, Hector Garcia-molina, Jeffrey Ullman
Wrappers provide access to heterogeneous information sources by converting application queries into source specific queries or commands. In this paper we present a wrapper implementation toolkit that...
Querying Semistructured Heterogeneous Information (1995)
Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jeffrey Ullman, Jennifer Widom
. Semistructured data has no absolute schema fixed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigid structure (such as the...
Querying Semistructured Heterogeneous Information (1995)
Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jeffrey Ullman, Jennifer Widom
Semistructured data has no absolute schema fixed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigid structure (such as the...
Integrating and Accessing Heterogeneous Information Sources in TSIMMIS (Extended Abstract) (1995)
Hector Garcia-molina, Joachim Hammer, Kelly Irel, Yannis Papakonstantinou, Jeffrey Ullman, Jennifer Widom
Hector Garcia-Molina, Joachim Hammer, Kelly Ireland, Yannis Papakonstantinou, Jeffrey Ullman, Jennifer Widom Department of Computer Science Stanford University Stanford, CA 94305-2140...
The TSIMMIS Approach to Mediation: Data Models and Languages (Extended Abstract) (1995)
Hector Garcia-molina, Yannis Papakonstantinou, Dallan Quass, Yehoshua Sagiv, Jeffrey Ullman, Jennifer Widom
) Hector Garcia-Molina, Yannis Papakonstantinou, Dallan Quass, Anand Rajaraman, Yehoshua Sagiv, Jeffrey Ullman, Jennifer Widom Stanford University, Stanford CA 94305 USA ABSTRACT TSIMMIS --- The...
The TSIMMIS Project: Integration of Heterogeneous Information Sources (1994)
Sudarshan Chawathe, Hector Garcia-Molina, Joachim Hammer, Kelly Ireland, Yannis Papakonstantinou, Jeffrey Ullman, ...
The goal of the Tsimmis Project is to develop tools that facilitate the rapid integration of heterogeneous information sources that may include both structured and unstructured data. This paper gives...
The TSIMMIS Project: Integration of Heterogeneous Information Sources (1994)
Sudarshan Chawathe Hector, Hector Garcia-molina, Joachim Hammer, Kelly Irel, Yannis Papakonstantinou, Jeffrey Ullman, ...
The goal of the Tsimmis Project is to develop tools that facilitate the rapid integration of heterogeneous information sources that may include both structured and unstructured data. This paper gives...
Assigning an Appropriate Meaning to Database Logic with Negation (1994)
Deductive database systems --- that is, database systems with a query language based on logical rules --- must allow negated subgoals in rules to express an adequate range of queries. Adherence to...
The Art of Assembly Language Programming - Appendix B (1987)
Randall Hyde, Neill Graham, Tab Books, Peter Able, John Angermeyer, Keven Jaeger, ...
Introduction to Automata Theory, Languages, and Computation John Hopcroft and Jeffrey Ullman Addison Wesley 1979 ISBN 0-201-02988-X Very concise, but one of the standard texts on automata theory,...