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SBBD
2000
168views Database» more  SBBD 2000»
10 years 1 months ago
Fast Feature Selection Using Fractal Dimension
Dimensionalitycurse and dimensionalityreduction are two issues that have retained highinterest for data mining, machine learning, multimedia indexing, and clustering. We present a...
Caetano Traina Jr., Agma J. M. Traina, Leejay Wu, ...
SBBD
2003
86views Database» more  SBBD 2003»
10 years 1 months ago
XML: From Practice to Theory
The development of XML technology has occurred very rapidly, initially leaving theory behind. As is often the case in such situations, practical development sometimes seemed more ...
Victor Vianu
SBBD
2003
101views Database» more  SBBD 2003»
10 years 1 months ago
Cherry Picking: A Semantic Query Processing Strategy for the Evaluation of Expensive Predicates
A common requirement of many scientific applications is the ability to process queries involving expensive predicates corresponding to user programs. Optimizing such queries is ha...
Fabio Porto, Eduardo Sany Laber, Patrick Valduriez
SBBD
2003
135views Database» more  SBBD 2003»
10 years 1 months ago
Privacy Preserving Clustering by Data Transformation
Despite its benefit in a wide range of applications, data mining techniques also have raised a number of ethical issues. Some such issues include those of privacy, data security,...
Stanley R. M. Oliveira, Osmar R. Zaïane
SBBD
2003
134views Database» more  SBBD 2003»
10 years 1 months ago
Performance and Quality Evaluation of a Personalized Route Planning System
Advanced personalization of database applications is a big challenge, in particular for distributed mobile environments. We present several new results from a prototype of a route...
Wolf-Tilo Balke, Werner Kießling, Christoph ...
SBBD
2004
89views Database» more  SBBD 2004»
10 years 1 months ago
DBM-Tree: A Dynamic Metric Access Method Sensitive to Local Density Data
Metric Access Methods (MAM) are employed to accelerate the processing of similarity queries, such as the range and the k-nearest neighbor queries. Current methods improve the quer...
Marcos R. Vieira, Caetano Traina Jr., Fabio Jun Ta...
SBBD
2004
99views Database» more  SBBD 2004»
10 years 1 months ago
Towards Cost-based Optimization for Data-intensive Web Service Computations
Nicolaas Ruberg, Gabriela Ruberg, Ioana Manolescu
SBBD
2004
94views Database» more  SBBD 2004»
10 years 1 months ago
Visual Analysis of Feature Selection for Data Mining Processes
The amount of data collected in the last decades has become a source of valuable information, allowing organizations to improve their competitiveness. However, the associated data...
Humberto Luiz Razente, Fabio Jun Takada Chino, Mar...
SBBD
2004
103views Database» more  SBBD 2004»
10 years 1 months ago
Modelagem de Bibliotecas Digitais usando a Abordagem 5S: Um Estudo de Caso
An enormous amount of information is currently available through specialized services of digital libraries (DLs). However the specification and development of DLs are very complex...
David Patricio Viscarra del Pozo, Lena Veiga e Sil...
SBBD
2004
106views Database» more  SBBD 2004»
10 years 1 months ago
Twisting the Metric Space to Achieve Better Metric Trees
In order to index text fields in XML databases for similarity queries, M-Trees may be applied. However, some datasets experiments using M-Trees for this purpose resulted in low qu...
César Feijó Nadvorny, Carlos A. Heus...
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