2063 search results - page 202 / 413 » Containment of Aggregate Queries |
151
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JDWM
2010
15 years 3 months ago
2010
The Web is a continuously evolving environment, since its content is updated on a regular basis. As a result, the traditional usagebased approach to generate recommendations that ...
193
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IEEEVAST
2010
14 years 11 months ago
2010
Journalists increasingly turn to social media sources such as Facebook or Twitter to support their coverage of various news events. For large-scale events such as televised debate...
130
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IPM
2007
15 years 4 months ago
2007
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
187
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SIGMOD
1998
ACM
15 years 9 months ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...
158
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SIGMOD
2010
ACM
14 years 11 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...