2978 search results - page 435 / 596 » Modelling and Querying Video Data |
176
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VLDB
2002
ACM
15 years 5 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 ...
154
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NIPS
2007
15 years 7 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 ...
183
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PERVASIVE
2010
Springer
15 years 4 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...
181
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SEMWEB
2005
Springer
15 years 11 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...
164
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
We describe an approach for multi-modal characterization of social media by combining text features (e.g. tags as a prominent example of short, unstructured text labels) with spat...