4526 search results - page 414 / 906 » Algorithmic problems related to the Internet |
145
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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...
189
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...
179
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper addresses several key issues in extraction and mining of an academic social network: 1) extraction of a researcher social network from the existing Web; 2) integration ...
210
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we study the problem of keyword proximity search over XML documents and leverage the efficiency and effectiveness. We take the disjunctive semantics among input key...
155
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
We address the problem of measuring global quality metrics of search engines, like corpus size, index freshness, and density of duplicates in the corpus. The recently proposed est...