32545 search results - page 650 / 6509 » Data Structures and Algorithms |
209
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SIGMOD
2008
ACM
15 years 7 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
211
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AGIS
2008
15 years 7 months ago
2008
Data conversion from raster to vector (R2V) is a key function in Geographic Information Systems (GIS) and remote sensing (RS) image processing for integrating GIS and RS data. The...
200
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AINA
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— A wireless sensor network (WSN) is energy constrained, and the extension of its lifetime is one of the most important issues in its design. Usually, a WSN collects a la...
260
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SRDS
1998
IEEE
15 years 11 months ago
1998
IEEE
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different site...
201
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IJNSEC
2010
15 years 2 months ago
2010
As the importance and the value of exchanged data over the Internet or other media types are increasing, the search for the best solution to offer the necessary protection against...