799 search results - page 83 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
146
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ICDCS
2002
IEEE
15 years 9 months ago
2002
IEEE
Finding information in a peer-to-peer system currently requires either a costly and vulnerable central index, or flooding the network with queries. In this paper we introduce the...
130
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JSS
2006
15 years 4 months ago
2006
This paper proposes a semantic-based P2P resource organization model R-Chord by incorporating the Resource Space Model (RSM), the P2P Semantic Link Network Model (P2PSLN) and the ...
243
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
Databases are increasingly being used to store information covered by heterogeneous policies, which require support for access control with great flexibility. This has led to incr...
114
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EUROPAR
2007
Springer
15 years 11 months ago
2007
Springer
We describe and evaluate the performance of a parallel search engine that is able to cope efficiently with concurrent read/write operations. Read operations come in the usual form ...
168
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SIGMOD
2010
ACM
15 years 3 months ago
2010
ACM
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...