20024 search results - page 310 / 4005 » Database Management Systems |
164
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CIDR
2009
15 years 5 months ago
2009
Data consistency is very desirable because strong semantic properties make it easier to write correct programs that perform as users expect. However, there are good reasons why co...
153
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
XML query languages use directional path expressions to locate data in an XML data collection. They are tightly coupled to the structure of a data collection, and can fail when ev...
148
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PODS
2010
ACM
15 years 9 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 ...
130
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TREC
1993
15 years 5 months ago
1993
Management and retrieval of large volumes of text can be expensive in both space and time. Moreover, the range of document sizes in a large collection such as trec presents difficu...
197
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
The energy efficiency of computer systems is an important concern in a variety of contexts. In data centers, reducing energy use improves operating cost, scalability, reliability,...