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RECSYS
2009
ACM
16 years 1 months ago
Context-based splitting of item ratings in collaborative filtering
Collaborative Filtering (CF) recommendations are computed by leveraging a historical data set of users’ ratings for items. It assumes that the users’ previously recorded ratin...
Linas Baltrunas, Francesco Ricci
CIKM
2007
Springer
16 years 24 days ago
"More like these": growing entity classes from seeds
We present a corpus-based approach to the class expansion task. For a given set of seed entities we use co-occurrence statistics taken from a text collection to define a membersh...
Luís Sarmento, Valentin Jijkoun, Maarten de...
SIGIR
2006
ACM
16 years 17 days ago
Formal models for expert finding in enterprise corpora
Searching an organization’s document repositories for experts provides a cost effective solution for the task of expert finding. We present two general strategies to expert se...
Krisztian Balog, Leif Azzopardi, Maarten de Rijke
WIDM
2006
ACM
16 years 17 days ago
Lazy preservation: reconstructing websites by crawling the crawlers
Backup of websites is often not considered until after a catastrophic event has occurred to either the website or its webmaster. We introduce “lazy preservation” – digital p...
Frank McCown, Joan A. Smith, Michael L. Nelson
CIKM
2005
Springer
16 years 4 days ago
A novel refinement approach for text categorization
In this paper we present a novel strategy, DragPushing, for improving the performance of text classifiers. The strategy is generic and takes advantage of training errors to succes...
Songbo Tan, Xueqi Cheng, Moustafa Ghanem, Bin Wang...