1715 search results - page 334 / 343 » How Space Structures Language |
ICDE
1993
IEEE
15 years 1 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
SIGMOD
1994
ACM
15 years 1 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
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PPSN
2000
Springer
15 years 1 months ago
2000
Springer
Abstract. We explore a new general-purpose heuristic for nding highquality solutions to hard optimization problems. The method, called extremal optimization, is inspired by self-or...
ATAL
2008
Springer
14 years 11 months ago
2008
Springer
Decentralized partially observable Markov decision processes (Dec-POMDPs) constitute an expressive framework for multiagent planning under uncertainty, but solving them is provabl...
KDD
2010
ACM
14 years 11 months ago
2010
ACM
Information diffusion and virus propagation are fundamental processes talking place in networks. While it is often possible to directly observe when nodes become infected, observi...