2514 search results - page 238 / 503 » On the Computation of Approximations of Database Queries |
188
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DBISP2P
2006
Springer
15 years 10 months ago
2006
Springer
The processing of k-NN queries has been studied extensively both in a centralized computing environment and in a structured P2P environment. However, the problem over an unstructur...
184
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
We demonstrate NetTrails, a declarative platform for maintaining and interactively querying network provenance in a distributed system. Network provenance describes the history an...
222
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JUCS
2010
15 years 1 months ago
2010
: We develop and study the concept of dataflow process networks as used for example by Kahn to suit exact computation over data types related to real numbers, such as continuous fu...
286
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
179
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BIRTHDAY
2010
Springer
15 years 5 months ago
2010
Springer
Abstract. In the last decade, several large-scale wireless sensor networks have been deployed to monitor a variety of environments. The declarative nature of the database approach ...