3678 search results - page 121 / 736 » Personalization of Queries in Database Systems |
173
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
146
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
Typically, users interact with database systems by formulating queries. However, many times users do not have a clear understanding of their information needs or the exact content...
168
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CORR
2012
Springer
14 years 1 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
171
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
Efficient user-adaptable similarity search more and more increases in its importance for multimedia and spatial database systems. As a general similarity model for multi-dimension...
265
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...