8301 search results - page 1424 / 1661 » Risk-Aware Information Retrieval |
267
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
271
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
DejaVu is an event processing system that integrates declarative pattern matching over live and archived streams of events on top of a novel system architecture. We propose to dem...
273
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
281
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Numerous widely publicized cases of theft and misuse of private information underscore the need for audit technology to identify the sources of unauthorized disclosure. We present...
163
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...