8763 search results - page 427 / 1753 » Querying Database Knowledge |
179
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VLDB
1987
ACM
15 years 10 months ago
1987
ACM
A Datalog program can be translated into a system of fixpoint equations of relational algebra; this paper studies how such a system can be solved and optimized for a particular qu...
172
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Query suggestion is well-known to enhance the user's search for relevant documents. In this work, we propose a novel technique that emulates a human skill when searching or e...
195
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SIGMOD
2010
ACM
15 years 1 months ago
2010
ACM
We report on the second annual ACM SIGMOD programming contest, which consisted in building an efficient distributed query engine on top of an in-memory index. This article is co-a...
161
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CSMR
2008
IEEE
16 years 1 months ago
2008
IEEE
Databases are continuously evolving environments, where design constructs are added, removed or updated rather often. Small changes in the database configurations might impact a l...
188
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DASFAA
2007
IEEE
16 years 1 months ago
2007
IEEE
Similarity search in time series databases usually deals with comparing entire time series objects or subsequence search. In this paper, we formalize the notion of interval-focused...