333 search results - page 44 / 67 » Read-Once Functions and Query Evaluation in Probabilistic Da... |
102
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EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
CCS
2005
ACM
15 years 5 months ago
2005
ACM
We investigate whether it is possible to encrypt a database and then give it away in such a form that users can still access it, but only in a restricted way. In contrast to conve...
101
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EDBT
2009
ACM
15 years 6 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
102
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DASFAA
2008
IEEE
15 years 6 months ago
2008
IEEE
State-of-the-art Peer-to-Peer Information Retrieval (P2P IR) systems suffer from their lack of response time guarantee especially with scale. To address this issue, a number of tec...
108
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TREC
2003
15 years 1 months ago
2003
Ranking functions are instrumental for the success of an information retrieval (search engine) system. However nearly all existing ranking functions are manually designed based on...