Sciweavers

198 search results - page 13 / 40
» Conceptual Queries Using ConQuer-II
Sort
View
DAWAK
2009
Springer
14 years 10 days 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
ADBIS
2007
Springer
98views Database» more  ADBIS 2007»
14 years 1 months ago
CUDL Language Semantics, Liven Up the FDB Data Model
The semantics of a new language (CUDL – Conceptual Universal Database Language), designed to manage dynamic database environments, are presented. This language conforms to the FD...
Nikitas Karanikolas, Maria Nitsiou, Emmanuel J. Ya...
CORIA
2006
13 years 9 months ago
Une Indexation conceptuelle pour un filtrage par dimensions
In order to resolve multi-dimentional queries, we propose a conceptual indexing based on a medical meta thesaurus (UMLS). We study the impact of this indexing compared to a words-b...
Saïd Radhouani, Loïc Maisonnasse, Joo-Hw...
DILS
2005
Springer
14 years 1 months ago
BioNavigation: Selecting Optimum Paths Through Biological Resources to Evaluate Ontological Navigational Queries
Publicly available biological resources form a complex maze of highly heterogeneous data sources, interconnected by navigational capabilities and applications. Although it offers ...
Zoé Lacroix, Kaushal Parekh, Maria-Esther V...
KCAP
2009
ACM
14 years 11 days ago
Cross ontology query answering on the semantic web: an initial evaluation
PowerAqua1 is a Question Answering system, which takes as input a natural language query and is able to return answers drawn from relevant semantic resources found anywhere on the...
Vanessa Lopez, Victoria S. Uren, Marta Sabou, Enri...