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» Generalization of the Dempster-Shafer Theory
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PODS
2004
ACM
139views Database» more  PODS 2004»
16 years 7 months ago
On Preservation under Homomorphisms and Unions of Conjunctive Queries
Unions of conjunctive queries, also known as select-project-join-union queries, are the most frequently asked queries in relational database systems. These queries are definable b...
Albert Atserias, Anuj Dawar, Phokion G. Kolaitis
ICSE
2008
IEEE-ACM
16 years 6 months ago
The economy of collective attention for situated knowledge collaboration in software development
Because the knowledge required for the construction of a complex software system is often widely distributed among its members, programmers routinely engage in collaboration with ...
Yunwen Ye, Kumiyo Nakakoji, Yasuhiro Yamamoto
MOBIHOC
2008
ACM
16 years 6 months ago
A game approach for multi-channel allocation in multi-hop wireless networks
Channel allocation was extensively investigated in the framework of cellular networks, but it was rarely studied in the wireless ad-hoc networks, especially in the multi-hop ad-ho...
Lin Gao, Xinbing Wang
MOBIHOC
2005
ACM
16 years 6 months ago
Hybrid sensor networks: a small world
In this paper, we investigate the use of limited infrastructure, in the form of wires, for improving the energy efficiency of a wireless sensor network. We call such a sensor netw...
Gaurav Sharma, Ravi Mazumdar
DCC
2006
IEEE
16 years 6 months ago
Uncoverings-by-bases for base-transitive permutation groups
An uncovering-by-bases for a group G acting on a finite set is a set U of bases for G such that any r-subset of is disjoint from at least one base in U, where r is a parameter d...
Robert F. Bailey