9683 search results - page 1363 / 1937 » Predicting query performance |
188
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DLOG
2007
15 years 9 months ago
2007
Abstract. In this work we propose an alternative approach to inference in DLLite, based on a reduction to reasoning in an extension of function-free Horn Logic (EHL). We develop a ...
203
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AUTONOMICS
2008
ACM
15 years 9 months ago
2008
ACM
In this paper we describe R-P2P, a novel system meant to support the search and retrieval of data in a given area. RP2P couples opportunistic wireless communications between mobil...
176
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ASIAN
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. Detecting changes in data streams is very important for many applications. This paper presents a hybrid method for detecting data stream changes in intensive care unit. I...
181
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EDBT
2010
ACM
15 years 9 months ago
2010
ACM
One of the most challenging tasks for the database administrator is to physically design the database to attain optimal performance for a given workload. Physical design is hard b...
183
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COLCOM
2007
IEEE
15 years 8 months ago
2007
IEEE
Abstract—Subscription covering detection is useful to improving the performance of any publish/subscribe system. However, an exact solution to querying coverings among a large se...