332 search results - page 50 / 67 » Query Evaluation and Optimization in the Semantic Web |
KCAP
2011
ACM
12 years 9 months ago
2011
ACM
Open Information Extraction extracts relations from text without requiring a pre-specified domain or vocabulary. While existing techniques have used only shallow syntactic featur...
SERVICES
2008
13 years 8 months ago
2008
Distributed stream query services must simultaneously process a large number of complex, continuous queries with stringent performance requirements while utilizing distributed pro...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
WWW
2007
ACM
14 years 7 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
KDD
2012
ACM
11 years 9 months ago
2012
ACM
In this paper, we investigate a problem of predicting what images are likely to appear on the Web at a future time point, given a query word and a database of historical image str...