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ICTIR
2009
Springer
16 years 1 months ago
Robust Word Similarity Estimation Using Perturbation Kernels
We introduce perturbation kernels, a new class of similarity measure for information retrieval that casts word similarity in terms of multi-task learning. Perturbation kernels mode...
Kevyn Collins-Thompson
KCAP
2009
ACM
16 years 1 months ago
Overview of a semantic disambiguation method for unstructured web contexts
In this paper we give an overview of a multiontology disambiguation method, targeted to discover the intended meaning of words in unstructured web contexts. It receives an ambiguo...
Jorge Gracia, Eduardo Mena
RECSYS
2009
ACM
16 years 1 months ago
Applying relevant set correlation clustering to multi-criteria recommender systems
This thesis investigates application of clustering to multi-criteria ratings as a method of improving the precision of top-N recommendations. With the advent of ecommerce sites th...
Nkechi Nnadi
CLEF
2007
Springer
16 years 21 days ago
Robust Question Answering for Speech Transcripts Using Minimal Syntactic Analysis
Abstract. This paper describes the participation of the Technical University of Catalonia in the CLEF 2007 Question Answering on Speech Transcripts track. For the processing of man...
Pere Comas, Jordi Turmo, Mihai Surdeanu
CLEF
2007
Springer
16 years 21 days ago
Using Centrality to Rank Web Snippets
We describe our participation in the WebCLEF 2007 task, targeted at snippet retrieval from web data. Our system ranks snippets based on a simple similarity-based centrality, inspir...
Valentin Jijkoun, Maarten de Rijke