2756 search results - page 546 / 552 » Searching the Web: From Keywords to Semantic Queries |
ATAL
2008
Springer
14 years 11 months ago
2008
Springer
A database view is a dynamic virtual table composed of the result set of a query, often executed over different underlying databases. The view maintenance problem concerns how a v...
HPDC
2010
IEEE
14 years 10 months ago
2010
IEEE
Data is routinely created, disseminated, and processed in distributed systems that span multiple administrative domains. To maintain accountability while the data is transformed b...
102
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CLEF
2009
Springer
14 years 7 months ago
2009
Springer
For this year's Image CLEF Photo Retrieval task, we have prepared 5 submission runs to help us assess the effectiveness of 1) image content-based retrieval, and 2) textbased ...
WWW
2011
ACM
14 years 4 months ago
2011
ACM
Measuring the causal effects of online advertising (adfx) on user behavior is important to the health of the WWW publishing industry. In this paper, using three controlled experi...
142
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
A primary challenge to large-scale data integration is creating semantic equivalences between elements from different data sources that correspond to the same real-world entity or...