8763 search results - page 430 / 1753 » Querying Database Knowledge |
260
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VLDB
2000
ACM
15 years 10 months ago
2000
ACM
Data allocation is a key performance factor for parallel database systems (PDBS). This holds especially for data warehousing environments where huge amounts of data and complex an...
231
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
Parallel database systems have to support the effective parallelization of complex queries in multi-user mode, i.e. in combination with inter-query/inter-transaction parallelism. ...
198
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SAC
2011
ACM
14 years 9 months ago
2011
ACM
Spatial networks like transportation, power, and pipeline networks are a ubiquitous spatial concept in everyday life and play an important role for navigational and routing purpos...
188
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SIGGRAPH
1995
ACM
15 years 10 months ago
1995
ACM
We present a method for searching in an image database using a query image that is similar to the intended target. The query image may be a hand-drawn sketch or a (potentially low...
174
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DOLAP
2009
ACM
16 years 1 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, ...