6846 search results - page 296 / 1370 » Querying a summary of database |
295
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
249
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...
154
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ADBIS
2005
Springer
16 years 6 days ago
2005
Springer
We present a query language called MDatalog, which is an extension of Datalog for multimodal deductive databases. We define modal relational algebras and give the seminaive evalua...
238
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VLDB
2004
ACM
15 years 12 months ago
2004
ACM
A prototype video database management system, which we call BilVideo, is presented. BilVideo provides an integrated support for queries on spatio-temporal, semantic and low-level ...
301
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
This demo presents Casper; a framework in which users entertain anonymous location-based services. Casper consists of two main components; the location anonymizer that blurs the u...