221 search results - page 15 / 45 » The cost of not knowing the radius |
122
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ICDE
2010
IEEE
16 years 4 days ago
2010
IEEE
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...
SIROCCO
2007
15 years 1 months ago
2007
Abstract. A large group of autonomous, mobile entities e.g. robots initially placed at some arbitrary node of the graph has to jointly visit all nodes (not necessarily all edges) a...
106
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NETWORKING
2004
15 years 1 months ago
2004
Subset Difference Revocation (SDR) [8] has been proposed to perform group rekeying in a stateless manner. However, statelessness comes at a cost in terms of storage and message ove...
ICMAS
2000
15 years 1 months ago
2000
Safe exchange is a key issue in multiagent systems, especially in electronic transactions where nondelivery is a major problem. In this paper we present a unified framework for mo...
108
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ICSOC
2009
Springer
14 years 10 months ago
2009
Springer
Several activities in service oriented computing can benefit from knowing ahead of time future properties of a given service composition. In this paper we focus on how statically i...