2546 search results - page 32 / 510 » Managing long-running queries |
83
Voted
DOLAP
2009
ACM
15 years 4 months ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...
93
Voted
ISI
2008
Springer
14 years 10 months ago
2008
Springer
In this paper, we propose managing data summaries in unstructured P2P systems. Our summaries are intelligible views with two main virtues. First, they can be directly queried and u...
75
Voted
CIKM
2008
Springer
15 years 6 days ago
2008
Springer
In a number of application areas, distributed database systems can be used to provide persistent storage of data while providing efficient access for both local and remote data. W...
151
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ICDT
2009
ACM
15 years 11 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
113
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SIGMOD
2011
ACM
14 years 1 months ago
2011
ACM
Due to the complexity of graph query languages, the need for visual query interfaces that can reduce the burden of query formulation is fundamental to the spreading of graph data ...