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SBBD
2004
89views Database» more  SBBD 2004»
14 years 27 days 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»
14 years 27 days ago
Towards Cost-based Optimization for Data-intensive Web Service Computations
Nicolaas Ruberg, Gabriela Ruberg, Ioana Manolescu
SBBD
2004
94views Database» more  SBBD 2004»
14 years 27 days 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»
14 years 27 days 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»
14 years 27 days 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...
SBBD
2004
118views Database» more  SBBD 2004»
14 years 27 days ago
Matching of XML Schemas and Relational Schemas
XML is widely used for data exchange between relational databases. Generic exchange tools are based on mappings between the elements of both schemas. Despite the benefits of using...
Sergio L. S. Mergen, Carlos A. Heuser
SBBD
2004
133views Database» more  SBBD 2004»
14 years 27 days ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto
SBBD
2004
82views Database» more  SBBD 2004»
14 years 27 days ago
Optimizing Ranking Calculation in Web Search Engines: a Case Study
Web search engines compete to offer the fastest responses with highest relevance. However, as Web collections grow, it becomes more difficult to achieve this purpose. As most user...
Miguel Costa, Mário J. Silva
SBBD
2004
82views Database» more  SBBD 2004»
14 years 27 days ago
FramePersist: An Object Persistence Framework for Mobile Device Applications
Traditional requirements for persistence layers do not consider limitations of the development platforms available for mobile devices. In order to facilitate the development of ap...
Katy C. P. Magalhães, Windson V. Carvalho, ...