5954 search results - page 476 / 1191 » Querying Bi-level Information |
196
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SIGMOD
2010
ACM
15 years 12 months ago
2010
ACM
We propose a novel privacy-preserving distributed infrastructure in which data resides only with the publishers owning it. The infrastructure disseminates user queries to publishe...
183
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
With the development of positioning technologies and the boosting deployment of inexpensive location-aware sensors, large volumes of trajectory data have emerged. However, efficie...
175
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GIS
2009
ACM
15 years 11 months ago
2009
ACM
Harnessing the potential of today’s ever growing and dynamic geospatial data requires the development of novel visual analysis interfaces, tools and technologies. In this paper,...
196
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CNSR
2007
IEEE
15 years 11 months ago
2007
IEEE
Search engines have turned into one of the most important services of the Web that are frequently visited by any user. They assist their users in finding appropriate information. ...
232
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ER
2008
Springer
15 years 8 months ago
2008
Springer
Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables: this happens, for instance, in Data Exchange and ...