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KCAP
2011
ACM
12 years 11 months ago
2011
ACM
Recently, various crowdsourcing initiatives showed that targeted efforts of user communities result in massive amounts of tags. For example, the Netherlands Institute for Sound a...
ITCC
2003
IEEE
14 years 2 months ago
2003
IEEE
We present an efficient algorithm called the Quadtree Heuristic for identifying a list of similar terms for each unique term in a large document collection. Term similarity is de...
DOCENG
2011
ACM
12 years 8 months ago
2011
ACM
The growth of mobile phone users has lead to a dramatic increasing of SMS spam messages. In practice, fighting mobile phone spam is difficult by several factors, including the lo...
WEA
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. The vertex cover problem is a classical NP-complete problem for which the best worst-case approximation ratio is 2− o(1). In this paper, we use a collection of simple g...
INFOCOM
2003
IEEE
14 years 2 months ago
2003
IEEE
— Considerable attention has been focused on the properties of graphs derived from Internet measurements. Router-level topologies collected via traceroute-like methods have led s...