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SEBD
2008
178views Database» more  SEBD 2008»
13 years 9 months ago
A New Generation Search Engine Supporting Cross Domain Queries
d Abstract) Daniele Braga1 , Diego Calvanese2 , Alessandro Campi1 , Stefano Ceri1 , Florian Daniel1 , Davide Martinenghi1 , Paolo Merialdo3 , Riccardo Torlone3 1 Dip. di Elettronic...
Daniele Braga, Diego Calvanese, Alessandro Campi, ...
SEBD
2008
177views Database» more  SEBD 2008»
13 years 9 months ago
Using PageRank in Feature Selection
Abstract. Feature selection is an important task in data mining because it allows to reduce the data dimensionality and eliminates the noisy variables. Traditionally, feature selec...
Dino Ienco, Rosa Meo, Marco Botta
SEBD
2008
159views Database» more  SEBD 2008»
13 years 9 months ago
Profiling Sets for Preference Querying
We propose a logical framework for set preferences. Candidate sets are represented using profiles consisting of scalar features. This reduces set preferences to tuple preferences o...
Xi Zhang, Jan Chomicki
SEBD
2008
121views Database» more  SEBD 2008»
13 years 9 months ago
A Fuzzy Description Logic Approach to Bilateral Matchmaking in Electronic Marketplaces
We present a novel Fuzzy Description Logic (DL) based approach to automate matchmaking in e-marketplaces. We model traders' preferences with the aid of Fuzzy DLs and, given a ...
Azzurra Ragone, Umberto Straccia, Fernando Bobillo...
SEBD
2008
127views Database» more  SEBD 2008»
13 years 9 months ago
Service-oriented Semantic Collaboration in Distributed Information Systems
Collaborative information systems in a P2P scenario are characterized by a set of independent peers that dynamically need to cooperate by sharing data and services. For effective c...
Devis Bianchini, Valeria De Antonellis, Michele Me...
SEBD
2008
169views Database» more  SEBD 2008»
13 years 9 months ago
Clustering the Feature Space
Abstract Dino Ienco and Rosa Meo Dipartimento di Informatica, Universit`a di Torino, Italy In this paper we propose and test the use of hierarchical clustering for feature selectio...
Dino Ienco, Rosa Meo
SEBD
2008
143views Database» more  SEBD 2008»
13 years 9 months ago
Searching Entities on the Web by Sample
Lorenzo Blanco, Valter Crescenzi, Paolo Merialdo, ...
SBBD
2008
256views Database» more  SBBD 2008»
13 years 9 months ago
Indexing Internal Memory with Minimal Perfect Hash Functions
A perfect hash function (PHF) is an injective function that maps keys from a set S to unique values, which are in turn used to index a hash table. Since no collisions occur, each k...
Fabiano C. Botelho, Hendrickson R. Langbehn, Guilh...