217 search results - page 27 / 44 » An optimization for query answering on ALC database |
129
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EDBT
2011
ACM
14 years 3 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
184
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
102
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ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
The rise of GPS and broadband-speed wireless devices has led to tremendous excitement about a range of applications broadly characterized as "location based services". Cu...
102
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FOCS
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract--We consider statistical data analysis in the interactive setting. In this setting a trusted curator maintains a database of sensitive information about individual partici...
169
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...