1346 search results - page 178 / 270 » On the number of rectangular partitions |
FLAIRS
2004
14 years 11 months ago
2004
Clustering is used to organize data for efficient retrieval. One of the problems in clustering is the identification of clusters in given data. A popular technique for clustering ...
MCU
1998
14 years 11 months ago
1998
A reversible cellular automaton (RCA) is a cellular automaton (CA) whose global function is injective and every configuration has at most one predecessor. Margolus showed that the...
AMW
2009
14 years 11 months ago
2009
Abstract. Rewriting of conjunctive queries using views has many applications in database and data integration. We investigate ways to improve performance of rewriting and propose a...
CORR
2008
Springer
14 years 10 months ago
2008
Springer
Abstract. The growing popularity of online social networks gave researchers access to large amount of network data and renewed interest in methods for automatic community detection...
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DC
2008
14 years 10 months ago
2008
We consider a distributed system where each node keeps a local count for items (similar to elections where nodes are ballot boxes and items are candidates). A top-k query in such ...