44 search results - page 8 / 9 » A sparse algorithm for dense optimal transport |
WCE
2007
13 years 6 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
ASPLOS
2010
ACM
13 years 4 months ago
2010
ACM
Semantic indexing is a popular technique used to access and organize large amounts of unstructured text data. We describe an optimized implementation of semantic indexing and docu...
IPPS
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract--For the management of a virtual P2P supercomputer one is interested in subgroups of processors that can communicate with each other efficiently. The task of finding these...
ICDM
2009
IEEE
14 years 4 days ago
2009
IEEE
—Identifying modules, or natural communities, in large complex networks is fundamental in many fields, including social sciences, biological sciences and engineering. Recently s...