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CCS
2006
ACM
15 years 3 months ago
2006
ACM
A multi-signature scheme enables a group of signers to produce a compact, joint signature on a common document, and has many potential uses. However, existing schemes impose key s...
SCAM
2006
IEEE
15 years 5 months ago
2006
IEEE
Metamorphic malware — including certain viruses and worms — rewrite their code during propagation. This paper presents a method for normalizing multiple variants of metamorphi...
SIGIR
2005
ACM
15 years 5 months ago
2005
ACM
Informal communication (e-mail, bulletin boards) poses a difficult learning environment because traditional grammatical and lexical information are noisy. Other information is nec...
LREC
2008
15 years 1 months ago
2008
A core ontology is a mid-level ontology which bridges the gap between an upper ontology and a domain ontology. Automatic Chinese core ontology construction can help quickly model ...
ICTIR
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. It is well known that pseudo-relevance feedback (PRF) improves the retrieval performance of Information Retrieval (IR) systems in general. However, a recent study by Cao ...