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SIAMCOMP
2010
14 years 6 months ago
2010
In the first part of the paper, we reexamine the all-pairs shortest paths (APSP) problem and present a new algorithm with running time O(n3 log3 log n/ log2 n), which improves all...
KDD
2003
ACM
16 years 7 days ago
2003
ACM
Large and complex graphs representing relationships among sets of entities are an increasingly common focus of interest in data analysis--examples include social networks, Web gra...
TKDE
2002
14 years 11 months ago
2002
In this paper, we have developed a HiTi (Hierarchical MulTi) graph model for structuring large topographical road maps to the minimum cost route computation. The HiTi graph model p...
PVLDB
2008
14 years 11 months ago
2008
Graphs are widely used to model complicated data semantics in many applications. In this paper, we aim to develop efficient techniques to retrieve graphs, containing a given query...
FASE
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. E-government services usually process large amounts of confidential data. Therefore, security requirements for the communication between components have to be adhered in...