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» Evaluating Emergent Collaboration on the Web
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WIDM
2005
ACM
14 years 2 months ago
Preventing shilling attacks in online recommender systems
Collaborative filtering techniques have been successfully employed in recommender systems in order to help users deal with information overload by making high quality personalize...
Paul-Alexandru Chirita, Wolfgang Nejdl, Cristian Z...
JUCS
2010
165views more  JUCS 2010»
13 years 7 months ago
Collective Knowledge Engineering with Semantic Wikis
: In the paper application of semantic wikis as knowledge engineering tool in a collaborative environment is considered. Selected aspects of semantic wikis are discussed. The main ...
Grzegorz J. Nalepa
NSDI
2010
13 years 10 months ago
The Architecture and Implementation of an Extensible Web Crawler
Many Web services operate their own Web crawlers to discover data of interest, despite the fact that largescale, timely crawling is complex, operationally intensive, and expensive...
Jonathan M. Hsieh, Steven D. Gribble, Henry M. Lev...
MM
2009
ACM
137views Multimedia» more  MM 2009»
14 years 3 months ago
Lightweight web image reranking
Web image search is inspired by text search techniques; it mainly relies on indexing textual data that surround the image file. But retrieval results are often noisy and image pro...
Adrian Popescu, Pierre-Alain Moëllic, Ioannis...
MOBISYS
2010
ACM
13 years 11 months ago
Darwin phones: the evolution of sensing and inference on mobile phones
We present Darwin, an enabling technology for mobile phone sensing that combines collaborative sensing and classification techniques to reason about human behavior and context on ...
Emiliano Miluzzo, Cory Cornelius, Ashwin Ramaswamy...