2095 search results - page 301 / 419 » Modeling and Querying Semi-structured Data |
157
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VLDB
2002
ACM
15 years 4 months ago
2002
ACM
Accurate prediction of operator execution time is a prerequisite for database query optimization. Although extensively studied for conventional disk-based DBMSs, cost modeling in ...
139
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NIPS
2007
15 years 5 months ago
2007
We propose a model that leverages the millions of clicks received by web search engines to predict document relevance. This allows the comparison of ranking functions when clicks ...
164
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PERVASIVE
2010
Springer
15 years 2 months ago
2010
Springer
ing model abstracts over various types of positioning systems and incorporates the capture of uncertainty, serving as a foundation on which developers can apply sensor-fusion techn...
164
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SEMWEB
2005
Springer
15 years 10 months ago
2005
Springer
Information retrieval systems have to deal with uncertain knowledge and query results should reflect this uncertainty in some manner. However, Semantic Web ontologies are based on...
166
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PODS
2005
ACM
16 years 4 months ago
2005
ACM
We consider a scenario where we want to query a large dataset that is stored in external memory and does not fit into main memory. The most constrained resources in such a situati...