7593 search results - page 1251 / 1519 » Querying XML Databases |
140
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
187
Voted
WWW
2003
ACM
16 years 7 months ago
2003
ACM
We consider the problem of building a P2P-based search engine for massive document collections. We describe a prototype system called ODISSEA (Open DIStributed Search Engine Archi...
182
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Motivated by structural properties of the Web graph that support efficient data structures for in memory adjacency queries, we study the extent to which a large network can be com...
180
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CHI
2008
ACM
16 years 7 months ago
2008
ACM
Electronic Health Records (EHRs) and other temporal databases contain hidden patterns that reveal important cause-and-effect phenomena. Finding these patterns is a challenge when ...
172
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...