376 search results - page 51 / 76 » Search Strategies for Keyword-based Queries |
147
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APWEB
2006
Springer
15 years 7 months ago
2006
Springer
The goal of distributed information retrieval is to support effective searching over multiple document collections. For efficiency, queries should be routed to only those collectio...
131
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VLDB
1995
ACM
15 years 7 months ago
1995
ACM
The World-Wide Web (WWW) is an ever growing, distributed, non-administered, global information resource. It resides on the worldwide computer network and allows access to heteroge...
156
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FOCS
1998
IEEE
15 years 8 months ago
1998
IEEE
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
125
Voted
WWW
2008
ACM
16 years 4 months ago
2008
ACM
Current search mechanisms of DHT-based P2P systems can well handle a single keyword search problem. Other than single keyword search, multi-keyword search is quite popular and use...
153
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WWW
2010
ACM
15 years 11 months ago
2010
ACM
We introduce a new dissimilarity function for ranked lists, the expected weighted Hoeffding distance, that has several advantages over current dissimilarity measures for ranked s...