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» Reusing relational sources for semantic information access
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FLAIRS
2007
15 years 8 months ago
Accessing XML Documents Using Semantic Meta Data in a P2P Environment
XGR (XML Data Grid) and BabelPeers are both data management systems based on distributed hash tables (DHT) that use the Pastry DHT to store data and meta data. XGR is based on the...
Dominic Battré, Felix Heine, André H...
SEMCO
2007
IEEE
16 years 6 days ago
Answering English Questions using Foreign-Language, Semi-Structured Sources
Despite continuing advances in machine translation technology, users who lack familiarity with particular foreign languages have no good way to find information in those languages...
Boris Katz, Gary C. Borchardt, Sue Felshin, Yuan K...
JSS
2000
85views more  JSS 2000»
15 years 5 months ago
Modularized design for wrappers/monitors in data warehouse systems
To simplify the task of constructing wrapper/monitor for the information sources in data warehouse systems, we provide a modularized design method to re-use the code. By substitut...
Jorng-Tzong Horng, Jye Lu
AIMSA
2010
Springer
15 years 7 months ago
Expressive Approximations in DL-Lite Ontologies
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...
Elena Botoeva, Diego Calvanese, Mariano Rodriguez-...
ICDE
2000
IEEE
120views Database» more  ICDE 2000»
16 years 7 months ago
Query Planning with Limited Source Capabilities
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
Chen Li, Edward Y. Chang