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ITRUST
2005
Springer
16 years 7 days ago
Alleviating the Sparsity Problem of Collaborative Filtering Using Trust Inferences
Collaborative Filtering (CF), the prevalent recommendation approach, has been successfully used to identify users that can be characterized as “similar” according to their logg...
Manos Papagelis, Dimitris Plexousakis, Themistokli...
AIRS
2004
Springer
16 years 4 days ago
Document Clustering Using Linear Partitioning Hyperplanes and Reallocation
This paper presents a novel algorithm for document clustering based on a combinatorial framework of the Principal Direction Divisive Partitioning (PDDP) algorithm [1] and a simpli...
Canasai Kruengkrai, Virach Sornlertlamvanich, Hito...
SPATIALCOGNITION
2004
Springer
16 years 2 days ago
Characterizing Diagrams Produced by Individuals and Dyads
Diagrams are an effective means of conveying concrete, abstract or symbolic information about systems. Here, individuals or pairs of participants produced assembly instructions aft...
Julie Heiser, Barbara Tversky
MM
2003
ACM
116views Multimedia» more  MM 2003»
15 years 12 months ago
Negative pseudo-relevance feedback in content-based video retrieval
Video information retrieval requires a system to find information relevant to a query which may be represented simultaneously in different ways through a text description, audio...
Rong Yan, Alexander G. Hauptmann, Rong Jin
COSIT
2003
Springer
115views GIS» more  COSIT 2003»
15 years 12 months ago
Structuring a Wayfinder's Dynamic Space-Time Environment
To travel successfully in a dynamic space-time setting, wayfinders must project the impact of a changing environment onto future travel choices. When making decisions, however, peo...
Michael D. Hendricks, Max J. Egenhofer, Kathleen H...