2542 search results - page 429 / 509 » Computing Cartograms with Optimal Complexity |
VLDB
2006
ACM
14 years 10 months ago
2006
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
ICIAP
2001
Springer
14 years 10 months ago
2001
Springer
In this article a texturefeature extraction scheme based on M-band waveletpacketframes is investigated. Thefeatures so extracted are usedfor segmentation of satellite images which...
PERCOM
2006
ACM
14 years 9 months ago
2006
ACM
Routing in multi-hop wireless networks is typically greedy, with every connection attempting to establish a path that minimizes its number of hops. However, interference plays a m...