8499 search results - page 337 / 1700 » cans 2009 |
270
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
We study the problem of incrementally maintaining an XPath query on an XML database under updates. The updates we consider are node insertion, node deletion, and node relabeling. ...
161
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
This paper presents SOFIE, a system for automated ontology extension. SOFIE can parse natural language documents, extract ontological facts from them and link the facts into an on...
160
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
In online advertising, pervasive in commercial search engines, advertisers typically bid on few terms, and the scarcity of data makes ad matching difficult. Suggesting additional ...
163
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
We describe an optimize-and-dispatch approach for delivering pay-per-impression advertisements in online advertising. The platform provider for an advertising network commits to s...
163
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Search auctions have become a dominant source of revenue generation on the Internet. Such auctions have typically used per-click bidding and pricing. We propose the use of hybrid ...