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113
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PODS
2005
ACM
16 years 1 months ago
2005
ACM
We show that any expression of the relational division operator in the relational algebra with union, difference, projection, selection, constant-tagging, and joins, must produce ...
86
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PERCOM
2006
ACM
16 years 1 months ago
2006
ACM
Many solutions for securing inter-provider handover proposed to date make use of the concept of security context transfer. However, none of these solutions addresses problems aris...
MSWIM
2009
ACM
15 years 8 months ago
2009
ACM
In this paper, we analyze asymptotic delay-throughput performance of mobile ad-hoc networks comprising heterogeneous nodes with restricted mobility. In particular, we consider a s...
LATA
2009
Springer
15 years 8 months ago
2009
Springer
Abstract. In this paper we prove the following result. Let s be an infinite word on a finite alphabet, and N ≥ 0 be an integer. Suppose that all left special factors of s longe...
124
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FAW
2009
Springer
15 years 8 months ago
2009
Springer
We give a linear-time algorithm for computing the edge search number of cographs, thereby proving that this problem can be solved in polynomial time on this graph class. With our ...