505 search results - page 72 / 101 » Queries with Incomplete Answers over Semistructured Data |
CSE
2009
IEEE
15 years 2 months ago
2009
IEEE
— The ubiquity of mobile devices has led to a rising demand for location-based services and applications. A major part of these services is based on the location-detection capabi...
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
CIKM
2004
Springer
15 years 3 months ago
2004
Springer
The performance of web search engines may often deteriorate due to the diversity and noisy information contained within web pages. User click-through data can be used to introduce...
DASFAA
2010
IEEE
15 years 2 months ago
2010
IEEE
Given a set of query points, a dynamic skyline query reports all data points that are not dominated by other data points according to the distances between data points and query po...
SIGMOD
2011
ACM
14 years 14 days ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...