10909 search results - page 2025 / 2182 » Evaluating Backup Algorithms |
242
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
349
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
204
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Wireless sensor networks have created new opportunities for data collection in a variety of scenarios, such as environmental and industrial, where we expect data to be temporally ...
209
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
160
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...