197 search results - page 18 / 40 » Identifying relevant constraints for semantic query optimiza... |
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
SIGMOD
2008
ACM
14 years 7 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 ...
SEBD
2007
13 years 9 months ago
2007
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
VLDB
2004
ACM
14 years 26 days ago
2004
ACM
Before undertaking new biomedical research, identifying concepts that have already been patented is essential. Traditional keyword based search on patent databases may not be su�...
ACL
2010
13 years 5 months ago
2010
Bag-of-words approaches to information retrieval (IR) are effective but assume independence between words. The Hyperspace Analogue to Language (HAL) is a cognitively motivated and...