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GIS
2009
ACM
14 years 7 days ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
ICDE
2007
IEEE
111views Database» more  ICDE 2007»
14 years 9 months ago
Finding Top-k Min-Cost Connected Trees in Databases
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...
Bolin Ding, Jeffrey Xu Yu, Shan Wang, Lu Qin, Xiao...
ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
14 years 1 months ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag
ICIP
2004
IEEE
14 years 9 months ago
Statistical transformations of frontal models for non-frontal face verification
In the framework of a face verification system using local features and a Gaussian Mixture Model based classifier, we address the problem of non-frontal face verification (when on...
Conrad Sanderson, Samy Bengio
ADC
2009
Springer
175views Database» more  ADC 2009»
14 years 2 months ago
Conditional Purpose Based Access Control Model for Privacy Protection
This paper presents a model for privacy preserving access control which is based on variety of purposes. Conditional purpose is applied along with allowed purpose and prohibited p...
Md. Enamul Kabir, Hua Wang