Sciweavers

1611 search results - page 221 / 323
» Supporting Exploratory Queries in Databases
Sort
View
CBMS
2003
IEEE
15 years 8 months ago
Retrieval by Content of Medical Images Using Texture for Tissue Identification
This work aims at supporting the retrieval and indexing of medical images by extracting and organizing intrinsic features of them, more specifically texture attributes from images...
Joaquim Cezar Felipe, Agma J. M. Traina, Caetano T...
DEXA
2007
Springer
127views Database» more  DEXA 2007»
15 years 9 months ago
A Method for Determining Ontology-Based Semantic Relevance
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
Tuukka Ruotsalo, Eero Hyvönen
FQAS
2004
Springer
112views Database» more  FQAS 2004»
15 years 8 months ago
WS-CatalogNet: Building Peer-to-Peer e-Catalog
One of the key issues in product catalogs is how to efficiently integrate and query large, intricate, heterogeneous catalogs. We propose a framework for building a dynamic catalog...
Hye-Young Paik, Boualem Benatallah, Farouk Toumani
DAWAK
2009
Springer
15 years 7 months ago
What Is Spatio-Temporal Data Warehousing?
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...
Alejandro A. Vaisman, Esteban Zimányi
GIS
2007
ACM
16 years 4 months ago
Quality-driven geospatial data integration
Accurate and efficient integration of geospatial data is an important problem with applications in areas such as emergency response and urban planning. Some of the key challenges ...
Craig A. Knoblock, José Luis Ambite, Snehal...