Processing of Data Streams with Prediction Functions (2008)
Sergio Ilarri, Ouri Wolfson, Eduardo Mena, Arantza Illarramendi, Naphtali Rishe
Networks of sensors arise naturally in many different fields, from industrial applications (e.g., monitoring of environmental parameters in a chemical plant) to surveillance applications (e.g.,...
Formal Representation and Transformation of DTDs to Sem-ODM Semantic Schemas* (2008)
Abstract. Many projects have investigated the issue of storing XML in traditional database systems and exporting data in traditional databases as XML documents. However, they paid little attention to...
Proximity queries that involve multiple object types are very common. In this paper, we present a parallel algorithm for answering proximity queries of one kind over object in-stances that lie in a...
Processing of Data Streams with Prediction Functions (2008)
Sergio Ilarri, Ouri Wolfson, Eduardo Mena, Arantza Illarramendi, Naphtali Rishe
Networks of sensors arise naturally in many different fields, from industrial applications (e.g., monitoring of environmental parameters in a chemical plant) to surveillance applications (e.g.,...
On Database Integration over Intelligent Networks * (2008)
Naphtali Rishe, Jun Yuan, Jinyu Meng, Shu-ching Chen, Ouri Wolfson
The advent of intelligent network technology has brought a kind of new challenge to the database community, especially on the heterogeneous database integration techniques. These advances in public...
Clement Yu, King-lup Liu, Weiyi Meng, Zonghuan Wu, Naphtali Rishe
In this paper, we present a methodology for finding the n most similar documents across multiple text databases for any given query and for any positive integer n. This methodology consists of two...
Modeling Interactive Multimedia Presentation Systems Using Augmented Transition Networks (2007)
Shu-ching Chen, Mei-ling Shyu, Naphtali Rishe
In interactive multimedia presentations, users should have the flexibility to decide on various scenarios they want to see. This means that two-way communications should be captured by the conceptual...
Interval-Based Approach to Lexicographic Representation and Compression of Numeric Data (2007)
Naphtali Rishe School, Naphtali Rishe
.# This paper proposes a new method of encoding numbers by variable-length bytestrings. The primary property of the encoding is that the lexicographic comparison of the encoded numbers corresponds...
A Universal Model For Non-Procedural Database Languages (2007)
. We propose a language which can express every computable query. The language is syntactically based on the first-order predicate calculus, but semantically is interpreted as post-conditions, unlike...
Dynamic Reallocation of Multimedia Data Objects (2007)
Cyril Orji, Naphtali Rishe, Donald A. Adjeroh, Kingsley C. Nwosu
The need for efficient and reliable satisfaction of the inherent and processing requirements of multimedia objects has made object storage and retrieval one of the challenging problems in...
On-demand Geo-referenced TerraFly Data Miner (2007)
Naphtali Rishe, Maxim Chekmasov, Marina Chekmasova, Scott Graham, Ian De Felipe
We present a comprehensive Internet data extraction tool adopted for the TerraFly Geographic Information System (GIS). TerraFly is a web-enabled system that allows users to virtually fly over...
Efficient Processing of one and two dimensional Proximity Queries in Associative Memory (2007)
K. L. Liu, G. J. Lipovski, C. Yu, Naphtali Rishe
Proximity queries that involve multiple object types are very common. In this paper, we present a parallel algorithm for answering proximity queries of one kind over object instances that lie in a...
King-lup Liu, Clement Yu, Weiyi Meng, Wensheng Wu, Naphtali Rishe
Searching desired data in the Internet is one of the most common ways the Internet is used. No single search engine is capable of searching all data in the Internet. The approach that provides an...
Weiyi Meng, Clement Yu, Wei Wang, Naphtali Rishe
Three algorithms for processing joins on attributes of textual type are presented and analyzed in this paper. Since such joins often involve document collections of very large size, it is very...
Ouri Wolfson, Prasad Sistla, Bo Xu, Jutai Zhou, Sam Chamberlain, Yelena Yesha, ...
Consider a database that represents information about moving objects and their location. For example, for a database representing the location of taxi-cabs a typical query may be: retrieve the free...
SemanticAccess: Semantic Interface for Querying Databases (2000)
Naphtali Rishe, Jun Yuan, Rukshan Athauda, Shu-ching Chen, Xiaoling Lu, Xiaobin Ma, ...
Semantic Binary Object-oriented Data Model (Sem-ODM) provides an expressive data model (similar to Object-oriented Data Models) with a well-known declarative query facility- SQL (similar to...
A Benchmarking Technique for DBMS`s with Advanced Data Models (2000)
Naphtali Rishe, Er Vaschillo, Dmitry Vasilevsky, Artyom Shaposhnikov, Shu-ching Chen
Abstract. The majority of database benchmarks currently in use in the industry were designed for relational databases. A different class of benchmarks became required for object oriented databases...
Semantic Relations: The key to integrating and query processing in heterogeneous databases (2000)
Naphtali Rishe, Rukshan I. Athauda, Jun Yuan, Shu-ching Chen
Obtaining useful, complete, accurate information from on-line web data sources has become a challenging issue with multiple heterogeneous data sources on-line. With the increase of structured data...
Databases for Tracking Mobile Units in Real Time (1999)
Ouri Wolfson, Liqin Jiang, A. Prasadsistla, Sam Chamberlain, Naphtali Rishe, Minglin Deng
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and querying such...
Efficient and Effective Metasearch for a Large Number of Text Databases (1999)
Clement Yu, Weiyi Meng, King-Lup Liu, Wensheng Wu, Naphtali Rishe
Metasearch engines can be used to facilitate ordinary users for retrieving information from multiple local sources (text databases). In a metasearch engine, the contents of each local database is...
A Methodology to Retrieve Text Documents from Multiple Databases (1999)
Clement Yu, King-lup Liu, Weiyi Meng, Zonghuan Wu, Naphtali Rishe
In this paper, we present a methodology for finding the n most similar documents across multiple text databases for any given query and for any positive integer n. This methodology consists of two...
Finding the Most Similar Documents across Multiple Text Databases (1999)
Clement Yu, King-lup Liu, Wensheng Wu, Weiyi Meng, Naphtali Rishe
In this paper, we present a methodology for finding the n most similar documents across multiple text databases for any given query and for any positive integer n. This methodology consists of two...
Estimating the Usefulness of Search Engines (1999)
Weiyi Meng, King-Lup Liu, Clement Yu, Wensheng Wu, Naphtali Rishe
In this paper, we present a statistical method to estimate the usefulness of a search engine for any given query. The estimates can be used by a metasearch engine to choose local search engines to...
Databases for Tracking Mobile Units in Real Time (1999)
Ouri Wolfson, Liqin Jiang, A. Prasadsistla, Sam Chamberlain, Naphtali Rishe, Minglin Deng
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and querying such...
A Pipeline Case Tool for Database Design (1998)
We have developed a tool for design of relational databases, including schemas, integrity constraints, reports, and data entry forms, using semantic binary schemas. The tool is based on a top-down...
Storage and Visualization of Spatial Data in a High-Performance Semantic Database System. (1998)
Rishe, Naphtali, Barton, David, Sanchez, Mario
We are developing a prototype massively parallel database management system with applications to earth sciences. Our system will enable the highly efficient accumulation and retrieval of vast amount...
Incorporation of Data Files into Semantic Databases (1998)
This project supported the investigation of ways to incorporate heterogeneous data files as well as information about these files into a high performance semantic database. The incorporation of these...
Workshop on Semantic Spatial Databases (1998)
Rishe, Naphtali, Martinez, Maria
This grant supported a workshop on Next Generation Database Design and Applications that was held at Florida International University's High Performance Database Research Center (FIU HPDRC) on April...
Determining text databases to search in the internet (1998)
Weiyi Meng, King-lup Liu, Clement Yu, Xiaodong War, Yuhsi Chang, Naphtali Rishe
Text data in the Internet can be partitioned into many databases naturally. Efficient re-trieval of desired data can be achieved if we can accurately predict the usefulness of each database, because...
Performance Analysis of Three Text-Join Algorithms (1998)
Weiyi Meng, Clement Yu, Senior Member, Wei Wang, Naphtali Rishe, Ieee Computer Society
Abstract—When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a new type of...
A Statistical Method for Estimating the Usefulness of Text Databases (1998)
King-Lup Liu, Clement Yu, Weiyi Meng, Wensheng Wu, Naphtali Rishe
Searching desired data in the Internet is one of the most common ways the Internet is used. No single search engine is capable of searching all data in the Internet. The approach that provides an...
Performance Analysis Of Three Text-Join Algorithms (1998)
Weiyi Meng, Clement Yu, Wei Wang, Naphtali Rishe
When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a new type of joins ---...
Determining Text Databases to Search in the Internet (1998)
Weiyi Meng, King-lup Liu, Clement Yu, Xiaodong Wang, Yuhsi Chang, Naphtali Rishe
Text data in the Internet can be partitioned into many databases naturally. Efficient retrieval of desired data can be achieved if we can accurately predict the usefulness of each database, because...
Efficient Parallel Semantic/O-O Database Management. (1997)
We have developed an optimistic concurrency control method for a massively parallel semantic database machine. Our concurrency control algorithm achieves very fine granularity, ensures...
The Architecture for Semantic Data Access to Heterogeneous Information Sources (1997)
Naphtali Rishe, Er Vaschillo, Dmitry Vasilevsky, Artyom Shaposhnikov, Shu-ching Chen
Abstract1 This paper presents the analysis and high-level design of a system that will allow uniform access to heterogeneous data sources such as semantic databases, relational databases, web sites,...
The Architecture for Semantic Data Access to Heterogeneous Information Sources (1997)
Naphtali Rishe, Alexander Vaschillo, Er Vaschillo, Dmitry Vasilevsky, Artyom Shaposhnikov, Shu-ching Chen
1 This paper presents the analysis and high-level design of a system that will allow uniform access to heterogeneous data sources such as semantic databases, relational databases, web sites, ASCII...
An Efficient Coterie-Based Mutual Exclusion Scheme With Fault-tolerance Capability (1996)
Guohong Cao, Mukesh Singhal, Yi Deng, Naphtali Rishe, Wei Sun
The performance of a mutual exclusion algorithm is measured by the number of messages exchanged per critical section execution and the delay between successive executions of the critical section....
Shigang Chen, Yi Deng, Wei Sun, Naphtali Rishe
) Shigang Chen, Yi Deng, Wei Sun and Naphtali Rishe y Abstract We present a simple and efficient distributed algorithm for detecting generalized-deadlocks in distributed systems. Unlike previous...
A Methodology and Tool for Top-down Relational Database Design (1993)
Object --- a non-value object in the real world. An abstract object can be, for example, a tangible item (such as a person, a table, a country), or an event (such as an offering of a course by an...
A file structure for semantic databases (1991)
This paper presents a highly efficient file structure for the storage of semantic databases. A low-level access language is presented, such that an arbitrary query can be performed as one or several...