3708 search results - page 121 / 742 » Approximating Betweenness Centrality |
DAM
2007
15 years 20 days ago
2007
Given A := {a1, . . . , am} ⊂ Rd whose affine hull is Rd, we study the problems of computing an approximate rounding of the convex hull of A and an approximation to the minimum ...
112
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PERCOM
2007
ACM
16 years 9 days ago
2007
ACM
: Global positioning systems (GPS) and mobile phone networks are making it possible to track individual users with an increasing accuracy. It is natural to ask whether one can use ...
112
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NDSS
2009
IEEE
15 years 7 months ago
2009
IEEE
Many existing privacy-preserving techniques for querying distributed databases of sensitive information do not scale for large databases due to the use of heavyweight cryptographi...
92
Voted
EUROPAR
2003
Springer
15 years 6 months ago
2003
Springer
Efficient discovery and resource allocation is one of the challenges of current Peer-to-Peer systems. In centralized approaches, the user requests can be matched to the fastest, ch...
107
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GIS
2002
ACM
15 years 14 days ago
2002
ACM
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...