763 search results - page 81 / 153 » Effective query formulation with multiple information source... |
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
We describe the integration of a structuredtext retrieval system (TextMachine) into an object-oriented database system (OpenODB). We use the external function capability of the da...
AAAI
2008
15 years 4 days ago
2008
Ranking plays a central role in many Web search and information retrieval applications. Ensemble ranking, sometimes called meta-search, aims to improve the retrieval performance b...
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
AIMSA
2010
Springer
14 years 11 months ago
2010
Springer
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 ...
159
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
To access data sources on the Web, a crucial step is wrapping, which translates query responses, rendered in textual HTML, back into their relational form. Traditionally, this pro...