| Vol-560 urn:nbn:de:0074-560-7 Copyright © 2010 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# IIR 2010
Italian Information Retrieval Workshop

### Proceedings of the First Italian Information Retrieval Workshop

### Padua, Italy, January 27-28, 2010.

Edited by

### Massimo Melucci1
Stefano Mizzaro2
Gabriella Pasi3

1Department of Information Engineering, University of Padua, Italy
2Department of Mathematics and Computer Science, University of Udine, Italy
3Department of Informatics, Systems and Communication, University of Milano Bicocca, Italy

## Table of Contents

Preface

1. Semantic Vectors: an Information Retrieval Scenario 1-5
   Pierpaolo Basile, Annalina Caputo, Giovanni Semeraro
2. Social Approach to Context-Aware Retrieval 7-11
   Luca Vassena
3. Selecting Features for Ordinal Text Classification 13-14
   Stefano Baccianella, Andrea Esuli, Fabrizio Sebastiani
4. Integrating Named Entities in a Semantic Search Engine 15-16
   Annalina Caputo, Pierpaolo Basile, Giovanni Semeraro
5. New Research Directions in Search Results Clustering 17-18
   Claudio Carpineto, Andrea Bernardini, Massimiliano D'Amico, Gianni Romano
6. A Visualization Tool of Probabilistic Models for Information Access Components 19-20
   Giorgio Maria Di Nunzio
7. Developing the Quantum Probability Ranking Principle 21-22
   Guido Zuccon, Leif Azzopardi
8. An Empirical Comparison of Collaborative Filtering Approaches on Netflix Data 23-27
   Nicola Barbieri, Massimo Guarascio, Ettore Ritacco
9. User Evaluation of Multidimensional Relevance Assessment 29-33
   Célia da Costa Pereira, Mauro Dragoni, Gabriella Pasi
10. From Entities to Geometry: Towards Exploiting Multiple Sources to Predict Relevance 35-39
    Emanuele Di Buccio, Mounia Lalmas, Massimo Melucci
11. Sentence-Based Active Learning Strategies for Information Extraction 41-45
    Andrea Esuli, Diego Marcheggiani, Fabrizio Sebastiani
12. A Study on Evaluation on Opinion Retrieval Systems 47-51
    Giambattista Amati, Giuseppe Amodeo, Valerio Capozio, Carlo Gaibisso, Giorgio Gambosi
13. A Cluster Manipulation Paradigm for Mobile Web Search Interaction 53-57
    Gloria Bordogna, Alessandro Campi, Giuseppe Psaila, Stefania Ronchi
14. GrOnto: A Granular Ontology for Diversifying Search Results 59-63
    Silvia Calegari, Gabriella Pasi
15. An IR-Based Approach to Tag Recommendation 65-69
    Cataldo Musto, Fedelucio Narducci, Marco De Gemmis, Pasquale Lops, Giovanni Semeraro
16. Context-Dependent Recommendations with Items Splitting 71-75
    Linas Baltrunas, Francesco Ricci
17. Thinking of a System for Image Retrieval 77-81
    Giovanna Castellano, Gianluca Sforza, Alessandra Torsello
18. An Ontological Representation of Documents and Queries for Information Retrieval Systems 83-87
    Mauro Dragoni, Célia da Costa Pereira, Andrea Giovanni Battista Tettamanzi
19. MOWIS: A System for Building Multimedia Ontologies from Web Information Sources 89-93
    Vincenzo Moscato, Antonio Penta, Fabio Persia, Antonio Picariello
20. Natat in Cerebro: Intelligent Information Retrieval for "The Guillotine" Language Game 95-96
    Pierpaolo Basile, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro
21. Refreshing Models to Provide Timely Query Recommendations 97-98
    Daniele Broccolo, Franco Maria Nardini, Raffaele Perego, Fabrizio Silvestri
22. Yaanii: Effective Keyword Search over Semantic Dataset 99-100
    Roberto De Virgilio, Paolo Cappellari, Michele Miscione
23. Serendipitous Encounters along Dynamically Personalized Museum Tours 101-102
    Leo Iaquinta, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro, Piero Molino
24. Manuzio: An Object Language for Annotated Text Collections 103-104
    Marek Maurizio, Renzo Orsini

The whole proceedings can also be downloaded as a single file (PDF ~ 3.4MB).

General Chair

Massimo Melucci (University of Padua)

Programme Chairs

Stefano Mizzaro (University of Udine)
Gabriella Pasi (University of Milano Bicocca)

Program Committee

Gianni Amati (Fondazione Ugo Bordoni)
Gloria Bordogna (IDPA-CNR Dalmine - Bg)
Claudio Carpineto (Fondazione Ugo Bordoni)
Emanuele Di Buccio (University of Padua)
Giorgio Di Nunzio (University of Padua)
Paolo Ferragina (University of Pisa)
Antonio Gulli (Search Technology Center, Bing Search, Microsoft)
Salvatore Orlando (University of Venice "Ca' Foscari")
Alessandro Panconesi (University of Rome "La Sapienza")
Raffaele Perego (ISTI-CNR, Pisa)
Carol Peters (ISTI-CNR, Pisa)
Giuseppe Santucci (University of Rome "La Sapienza")
Fabrizio Silvestri (ISTI-CNR, Pisa)
Fabrizio Sebastiani (ISTI-CNR, Pisa)
Giovanni Semeraro (University of Bari)

Organizing Committee

Department of Information Engineering, University of Padua:
Maria Bernini
Davide Cisco
Emanuele Di Buccio
Marco Dussin
Nicola Montecchio
Library Centre - CAB, University of Padua:
Yuri Carrer
Ornella Volpato

22-Jan-2010: submitted by Massimo Melucci, Emanuele Di Buccio
22-Jan-2010: published on CEUR-WS.org