Abstract Computing Capabilities of Mediators (2008)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Je Rey Ullman
Existing data-integration systems based on the mediation architecture employ avariety of mechanisms to describe the query-processing capabilities of sources. However, these systems do not compute the...
Abstract The TSIMMIS Project: Integration of Heterogeneous Information Sources (2008)
Sudarshan Chawathe, Hector Garcia-molina, Joachim Hammer, Kelly Irel, Yannis Papakonstantinou, Je Rey 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...
Abstract Computing Capabilities of Mediators (2008)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Je Rey Ullman
Existing data-integration systems based on the mediation architecture employ avariety of mechanisms to describe the query-processing capabilities of sources. However, these systems do not compute the...
1 Introduction Capability Based Mediation in TSIMMIS (2008)
Chen Li, Ramana Yerneni, Vasilis Vassalos, Hector Garcia-molina, Yannis Papakonstantinou, Je Rey Ullman
Abstract The TSIMMIS Project: Integration of Heterogeneous Information Sources (2007)
Sudarshan Chawathe, Hector Garcia-molina, Joachim Hammer, Kelly Irel, Yannis Papakonstantinou, Je Rey 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...
Optimizing large join queries in mediation systems (1999)
Ramana Yerneni, Chen Li, Je Rey 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...
Optimizing large join queries in mediation systems (1999)
Ramana Yerneni, Chen Li, Je Rey 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...
Computing capabilities of mediators (1999)
Ramana Yerneni, Chen Li, Hector Garcia-molina, Je Rey Ullman
In data-integration systems, the queries supported by a mediator are a ected by the queryprocessing limitations of the sources being integrated. Existing mediation systems employ a variety...
The TSIMMIS approach to mediation: data models and languages (1997)
Hector Garcia-molina, Yannis Papakonstantinou, Dallan Quass, Yehoshua Sagiv, Je Rey Ullman, Vasilis Vassalos, ...
TSIMMIS | The Stanford-IBM Manager of Multiple Information Sources | is a system for integrating information. It o ers 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, Je Rey Ullman, Vasilis Vassalos, ...
TSIMMIS | The Stanford-IBM Manager of Multiple Information Sources | is a system for integrating information. It o ers 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, Je Rey Ullman
Mediators are used for integration of heterogeneous information sources. In this paper we present a system for declaratively specifying mediators. It is targeted for integration of sources with...
Integrating and Accessing Heterogeneous Information Sources in TSIMMIS (1995)
Hector Garcia-molina, Joachim Hammer, Kelly Irel, Yannis Papakonstantinou, Je Rey 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 Irel, Yannis Papakonstantinou, Je Rey 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,...
A query translation scheme for rapid implementation of wrappers (1995)
Yannis Papakonstantinou, Ashish Gupta, Hector Garcia-molina, Je Rey Ullman
Wrappers provide access to heterogeneous information sources by converting application queries into source speci c queries or commands. In this paper we present awrapper implementation toolkit that...