Sciweavers

Share
warning: Creating default object from empty value in /var/www/modules/taxonomy/taxonomy.module on line 1416.
IIR
2010
10 years 9 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...
IIR
2010
10 years 9 months ago
MOWIS: A System for Building Multimedia Ontologies from Web Information Sources
Defining ontologies within the multimedia domain still remains a challenging task, due to the complexity of multimedia data and the related associated knowledge. In this paper, we...
Vincenzo Moscato, Antonio Penta, Fabio Persia, Ant...
IIR
2010
10 years 10 months ago
GrOnto: A Granular Ontology for Diversifying Search Results
Results diversification is an approach used in literature to cover the possible interpretations of the results produced by query evaluation. For diversifying search results we pr...
Silvia Calegari, Gabriella Pasi
IIR
2010
10 years 10 months ago
Social Approach to Context-Aware Retrieval
In this paper we present a general purpose solution to Web content perusal by means of mobile devices, named Social Context-Aware Browser. This is a novel approach for the informa...
Luca Vassena
IIR
2010
11 years 1 months ago
Semantic Vectors: an Information Retrieval Scenario
In this paper we exploit Semantic Vectors to develop an IR system. The idea is to use semantic spaces built on terms and documents to overcome the problem of word ambiguity. Word ...
Pierpaolo Basile, Annalina Caputo, Giovanni Semera...
IIR
2010
11 years 1 months ago
Sentence-Based Active Learning Strategies for Information Extraction
Given a classifier trained on relatively few training examples, active learning (AL) consists in ranking a set of unlabeled examples in terms of how informative they would be, if ...
Andrea Esuli, Diego Marcheggiani, Fabrizio Sebasti...
IIR
2010
11 years 1 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
11 years 1 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
11 years 1 months ago
An IR-Based Approach for Tag Recommendation
Thanks to the continuous growth of collaborative platforms like YouTube, Flickr and Delicious, we are recently witnessing to a rapid evolution of web dynamics towards a more `soci...
Cataldo Musto, Fedelucio Narducci, Marco de Gemmis...
books