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Displaying 1-22 out of 22 total
An Artificial Player for a Language Game
Found in: IEEE Intelligent Systems
By Giovanni Semeraro,Marco de Gemmis,Pasquale Lops,Pierpaolo Basile
Issue Date:September 2012
pp. 36-43
A knowledge infusion process gives a system the linguistic and cultural knowledge—normally the prerogative of human beings—required to play a complex language game.
 
Exploiting Distributional Semantic Models in Question Answering
Found in: 2012 IEEE Sixth International Conference on Semantic Computing (ICSC)
By Piero Molino,Pierpaolo Basile,Annalina Caputo,Pasquale Lops,Giovanni Semeraro
Issue Date:September 2012
pp. 146-153
This paper investigates the role of Distributional Semantic Models (DSMs) in Question Answering (QA), and specifically in a QA system called Question Cube. Question Cube is a framework for QA that combines several techniques to retrieve passages containing...
 
A Study on Compositional Semantics of Words in Distributional Spaces
Found in: 2012 IEEE Sixth International Conference on Semantic Computing (ICSC)
By Pierpaolo Basile,Annalina Caputo,Giovanni Semeraro
Issue Date:September 2012
pp. 154-161
This paper proposes two approaches to compositional semantics in distributional semantic spaces. Both approaches conceive the semantics of complex structures, such as phrases or sentences, as being other than the sum of its terms. Syntax is the plus used a...
 
2nd International Workshop on Recommender Systems Meet Databases - RSmeetDB 2012 - Preface
Found in: 2012 23rd International Workshop on Database and Expert Systems Applications (DEXA)
By Giovanni Semeraro,Marco De Gemmis,Pasquale Lops,Markus Zanker
Issue Date:September 2012
pp. xviii
Recommender systems (RS) support users who need personalized access to large collections of data. From a technical perspective, RSs have their origins in different fields such as information filtering and data mining, and they are built using a broad array...
   
Exploiting Disambiguation and Discrimination in Information Retrieval Systems
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Pierpaolo Basile, Annalina Caputo, Giovanni Semeraro
Issue Date:September 2009
pp. 539-542
Polysemous words have more than one possible meaning, thus word ambiguity is a key issue for the systems which access textual information. Computational linguistics proposes two main methods to cope with word ambiguity: sense disambiguation and sense discr...
 
SpIteR: A Module for Recommending Dynamic Personalized Museum Tours
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Pierpaolo Basile, Marco de Gemmis, Leo Iaquinta, Pasquale Lops, Cataldo Musto, Fedelucio Narducci, Giovanni Semeraro
Issue Date:September 2009
pp. 584-587
Recommender systems (RSs) proved to make easier the task of accessing relevant information in a broad range of domains. In content-based RSs, preferences on content items expressed by users turned out to be reliable indicators to suggest and filter interes...
 
A Framework for Using Web Services to Enhance QoS for Content Delivery
Found in: IEEE Multimedia
By Francesco Buccafurri, Pasquale De Meo, Gianluca Lax, Domenico Ursino, Mariagrazia Fugini, Stefano Modafferi, Barbara Pernici, Roberto Furnari, Anna Goy, Pasquale Lops, Domenico Redavid, Giovanni Semeraro
Issue Date:January 2009
pp. 26-35
<p>An integrated approach to quality of service for content delivery using Web services includes quality definitions, user contracts, and fault monitoring.</p>
 
Introducing Serendipity in a Content-Based Recommender System
Found in: Hybrid Intelligent Systems, International Conference on
By Leo Iaquinta, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro, Michele Filannino, Piero Molino
Issue Date:September 2008
pp. 168-173
Today recommenders are commonly used with various purposes, especially dealing with e-commerce and information filtering tools. Content-based recommenders rely on the concept of similarity between the bought/ searched/ visited item and all the items stored...
 
A Hybrid Content-Collaborative Recommender System Integrated into an Electronic Performance Support System
Found in: Hybrid Intelligent Systems, International Conference on
By Leo Iaquinta, Anna Lisa Gentile, Pasquale Lops, Marco de Gemmis, Giovanni Semeraro
Issue Date:September 2007
pp. 47-52
<p>An Electronic Performance Support System (EPSS) introduces challenges on contextualized and personalized information delivery. Recommender systems aim at delivering and suggesting relevant information according to users preferences, thus EPSSs cou...
 
WordNet-based User Profiles for Neighborhood Formation in Hybrid Recommender Systems
Found in: Hybrid Intelligent Systems, International Conference on
By Giovanni Semeraro, Pasquale Lops, Marco Degemmis
Issue Date:December 2005
pp. 291-296
Recommender systems help to reduce information overload and provide customized information access for targeted domains. Such systems take input from users and, based on their needs and preferences, provide personalized advices that help people to filter us...
 
Downward Refinement in the ALN Description Logic
Found in: Hybrid Intelligent Systems, International Conference on
By Nicola Fanizzi, Stefano Ferilli, Luigi Iannone, Ignazio Palmisano, Giovanni Semeraro
Issue Date:December 2004
pp. 68-73
We focus on the problem of specialization in a Description Logics (DL) representation, specifically the ALN language. Standard approaches to learning in these representations are based on bottom-up algorithms that employ the lcs operator, which, in turn, p...
 
CONCERTO, Conceptual Indexing, Querying and Retrieval of Digital Documents
Found in: Multimedia Computing and Systems, International Conference on
By Elisa Bertino, Barbara Catania, Bill Black, John McNaught, Fabio Rinaldi, Andrew Brasher, Diana Deavin, Andreas Persidis, Vito Candela, Floriana Esposito, Giovanni Semeraro, Gian Piero Zarri
Issue Date:June 1999
pp. 1106
In this paper, we give a general overview of the European Esprit project CONCERTO (CONCEptual indexing, querying and ReTrieval Of digital documents, P29159, URL: http://concerto.pira.co.uk/). The central idea of CONCERTO is to represent the 'meaning' of di...
 
A Comparative Analysis of Methods for Pruning Decision Trees
Found in: IEEE Transactions on Pattern Analysis and Machine Intelligence
By Floriana Esposito, Donato Malerba, Giovanni Semeraro
Issue Date:May 1997
pp. 476-491
<p><b>Abstract</b>—In this paper, we address the problem of retrospectively pruning decision trees induced from data, according to a top-down approach. This problem has received considerable attention in the areas of pattern recognition a...
 
Human Decision Making and Recommender Systems
Found in: ACM Transactions on Interactive Intelligent Systems (TiiS)
By Alexander Felfernig, Francesco Ricci, Li Chen, Marco de Gemmis, Pasquale Lops, Giovanni Semeraro
Issue Date:October 2013
pp. 1-7
Recommender systems have already proved to be valuable for coping with the information overload problem in several application domains. They provide people with suggestions for items which are likely to be of interest for them; hence, a primary function of...
     
Workshop on recommender systems meet big data & semantic technologies: SeRSy 2013
Found in: Proceedings of the 7th ACM conference on Recommender systems (RecSys '13)
By Giovanni Semeraro, Marco de Gemmis, Ora Lassila, Pasquale Lops, Thomas Lukasiewicz, Tommaso Di Noia
Issue Date:October 2013
pp. 483-484
The primary goal of the workshop is to showcase cutting edge research on the intersection of Recommender Systems and Semantic Technologies, by taking the best of the two worlds. This combination may provide the RecSys community with important scenarios whe...
     
Workshop on human decision making in recommender systems: decisions@RecSys'13
Found in: Proceedings of the 7th ACM conference on Recommender systems (RecSys '13)
By Alexander Felfernig, Francesco Ricci, Giovanni Semeraro, Li Chen, Marco de Gemmis, Martijn C. Willemsen, Pasquale Lops
Issue Date:October 2013
pp. 479-480
A primary function of recommender systems is to help their users to make better choices and decisions. The overall goal of the workshop is to analyse and discuss novel techniques and approaches for supporting effective and efficient human decision making i...
     
A folksonomy-based recommender system for personalized access to digital artworks
Found in: Journal on Computing and Cultural Heritage (JOCCH)
By Cataldo Musto, Fedelucio Narducci, Giovanni Semeraro, Marco De Gemmis, Pasquale Lops
Issue Date:October 2012
pp. 1-22
Museums have recognized the need for supporting visitors in fulfilling a personalized experience when visiting artwork collections, and they have started to adopt recommender systems as a way to meet this requirement. Content-based recommender systems anal...
     
RecSys'12 workshop on human decision making in recommender systems
Found in: Proceedings of the sixth ACM conference on Recommender systems (RecSys '12)
By Alexander Felfernig, Francesco Ricci, Giovanni Semeraro, Marco de Gemmis, Martijn C. Willemsen, Pasquale Lops
Issue Date:September 2012
pp. 347-348
Interacting with a recommender system means to take different decisions such as selecting an item from a recommendation list, selecting a specific item feature value (e.g., camera's size, zoom) as a search criteria, selecting feedback features to be critiq...
     
MARS: a MultilAnguage Recommender System
Found in: Proceedings of the 1st International Workshop on Information Heterogeneity and Fusion in Recommender Systems (HetRec '10)
By Cataldo Musto, Fedelucio Narducci, Giovanni Semeraro, Marco De Gemmis, Pasquale Lops, Pierpaolo Basile
Issue Date:September 2010
pp. 24-31
The exponential growth of the Web is the most influential factor that contributes to the increasing importance of cross-lingual text retrieval and filtering systems. Indeed, relevant information exists in different languages, thus users need to find docume...
     
From fusion to re-ranking: a semantic approach
Found in: Proceeding of the 33rd international ACM SIGIR conference on Research and development in information retrieval (SIGIR '10)
By Annalina Caputo, Giovanni Semeraro, Pierpaolo Basile
Issue Date:July 2010
pp. 815-816
A number of works have shown that the aggregation of several Information Retrieval (IR) systems works better than each system working individually. Nevertheless, early investigation in the context of CLEF Robust-WSD task, in which semantics is involved, sh...
     
Knowledge infusion into content-based recommender systems
Found in: Proceedings of the third ACM conference on Recommender systems (RecSys '09)
By Giovanni Semeraro, Marco de Gemmis, Pasquale Lops, Pierpaolo Basile
Issue Date:October 2009
pp. 301-304
Content-based recommender systems try to recommend items similar to those a given user has liked in the past. The basic process consists of matching up the attributes of a user profile, in which preferences and interests are stored, with the attributes of ...
     
Integrating tags in a semantic content-based recommender
Found in: Proceedings of the 2008 ACM conference on Recommender systems (RecSys '08)
By Giovanni Semeraro, Marco de Gemmis, Pasquale Lops, Pierpaolo Basile
Issue Date:October 2008
pp. 1-2
Basic content personalization consists in matching up the attributes of a user profile, in which preferences and interests are stored, with the attributes of a content object. The Web 2.0 (r)evolution and the advent of user generated content have changed t...
     
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