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SIGIR
2004
ACM
14 years 3 months ago
Document clustering via adaptive subspace iteration
Document clustering has long been an important problem in information retrieval. In this paper, we present a new clustering algorithm ASI1, which uses explicitly modeling of the s...
Tao Li, Sheng Ma, Mitsunori Ogihara
AH
2004
Springer
14 years 3 months ago
Assessing Cognitive Load in Adaptive Hypermedia Systems: Physiological and Behavioral Methods
Abstract. It could be advantageous in many situations for an adaptive hypermedia system to have information about the cognitive load that the user is currently experiencing. A lite...
Holger Schultheis, Anthony Jameson
CCS
2004
ACM
14 years 3 months ago
IP covert timing channels: design and detection
A network covert channel is a mechanism that can be used to leak information across a network in violation of a security policy and in a manner that can be difficult to detect. In...
Serdar Cabuk, Carla E. Brodley, Clay Shields
CIA
2004
Springer
14 years 3 months ago
Qualitative Analysis of User-Based and Item-Based Prediction Algorithms for Recommendation Agents
Recommendation agents employ prediction algorithms to provide users with items that match their interests. In this paper, several prediction algorithms are described and evaluated...
Manos Papagelis, Dimitris Plexousakis
CIKM
2004
Springer
14 years 3 months ago
Soft clustering criterion functions for partitional document clustering: a summary of results
Recently published studies have shown that partitional clustering algorithms that optimize certain criterion functions, which measure key aspects of inter- and intra-cluster simil...
Ying Zhao, George Karypis