549 search results - page 104 / 110 » Data Expiration and Aggregate Queries |
105
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EDBT
2009
ACM
15 years 2 months ago
2009
ACM
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
HT
2007
ACM
15 years 1 months ago
2007
ACM
The design and maintenance of an aero-engine generates a significant amount of documentation. When designing new engines, engineers must obtain knowledge gained from maintenance o...
153
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
The aggregation and comparison of behavioral patterns on the WWW represent a tremendous opportunity for understanding past behaviors and predicting future behaviors. In this paper...
WWW
2003
ACM
15 years 10 months ago
2003
ACM
Activities such as Web Services and the Semantic Web are working to create a web of distributed machine understandable data. In this paper we present an application called Semanti...