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IIR
2010
10 years 12 months ago
User Evaluation of Multidimensional Relevance Assessment
In this paper a user evaluation is proposed to assess the effectiveness of systems based on multidimensional relevance assessment. First of all, we introduce our approach to multi...
Célia da Costa Pereira, Mauro Dragoni, Gabr...
IIR
2010
10 years 12 months ago
An Ontological Representation of Documents and Queries for Information Retrieval Systems
This paper presents a vector space model approach, for representing documents and queries, using concepts instead of terms and WordNet as a light ontology. This way, information o...
Mauro Dragoni, Célia da Costa Pereira, Andr...
IIR
2010
10 years 12 months ago
New Research Directions in Search Results Clustering
We discuss which are the main research themes in the field of search results clustering and report some recent results achieved by the Information Mining group at Fondazione Ugo B...
Claudio Carpineto, Andrea Bernardini, Massimiliano...
IIR
2010
10 years 8 months ago
Selecting Features for Ordinal Text Classification
We present four new feature selection methods for ordinal regression and test them against four different baselines on two large datasets of product reviews.
Stefano Baccianella, Andrea Esuli, Fabrizio Sebast...
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