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RECSYS
2009
ACM
16 years 22 days ago
Latent dirichlet allocation for tag recommendation
Tagging systems have become major infrastructures on the Web. They allow users to create tags that annotate and categorize content and share them with other users, very helpful in...
Ralf Krestel, Peter Fankhauser, Wolfgang Nejdl
SACMAT
2009
ACM
16 years 22 days ago
A decision support system for secure information sharing
In both the commercial and defense sectors a compelling need is emerging for highly dynamic, yet risk optimized, sharing of information across traditional organizational boundarie...
Achille Fokoue, Mudhakar Srivatsa, Pankaj Rohatgi,...
SIGECOM
2009
ACM
117views ECommerce» more  SIGECOM 2009»
16 years 22 days ago
Sybilproof transitive trust protocols
We study protocols to enable one user (the principal) to make potentially profitable but risky interactions with another user (the agent), in the absence of direct trust between ...
Paul Resnick, Rahul Sami
SIGIR
2009
ACM
16 years 22 days ago
Query dependent pseudo-relevance feedback based on wikipedia
Pseudo-relevance feedback (PRF) via query-expansion has been proven to be effective in many information retrieval (IR) tasks. In most existing work, the top-ranked documents from...
Yang Xu, Gareth J. F. Jones, Bin Wang
SIGIR
2009
ACM
16 years 22 days ago
Addressing morphological variation in alphabetic languages
The selection of indexing terms for representing documents is a key decision that limits how effective subsequent retrieval can be. Often stemming algorithms are used to normaliz...
Paul McNamee, Charles K. Nicholas, James Mayfield