964 search results - page 43 / 193 » Efficiently Ordering Query Plans for Data Integration |
156
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ECIR
2008
Springer
15 years 5 months ago
2008
Springer
Abstract. We investigate the potential of coherence-based scores to predict query difficulty. The coherence of a document set associated with each query word is used to capture the...
167
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Abstract. We consider a collaboration of peers autonomously crawling the Web. A pivotal issue when designing a peer-to-peer (P2P) Web search engine in this environment is query rou...
137
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EDBT
2002
ACM
16 years 4 months ago
2002
ACM
Managing multiple versions of XML documents represents a critical requirement for many applications. Also, there has been much recent interest in supporting complex queries on XML ...
160
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EDBT
2010
ACM
15 years 7 months ago
2010
ACM
A key advantage of scientific workflow systems over traditional scripting approaches is their ability to automatically record data and process dependencies introduced during workf...
156
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
In recent years, large amount of data modeled by graphs, namely graph data, have been collected in various domains. Efficiently processing queries on graph databases has attracted...