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ACIIDS
2010
IEEE
115views Database» more  ACIIDS 2010»
15 years 4 months ago
An Ambient Agent Model Incorporating an Adaptive Model for Environmental Dynamics
The environments in which ambient agents are used often may be described by dynamical models, for example in the form of a set of differential equations. In this paper an ambient a...
Jan Treur, Muhammad Umair
SACMAT
2004
ACM
15 years 12 months ago
A role-based approach to access control for XML databases
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...
Jingzhu Wang, Sylvia L. Osborn
IDEAS
1997
IEEE
237views Database» more  IDEAS 1997»
15 years 10 months ago
Sequence Comparison Using a Relational Database Approach
A variety of heterogenous data sources is available in the field of molecular biology. Our focus lies on the biological sequence data, i. e. data maintained in collections like EM...
André Bergholz, Stephan Heymann, Jörg ...
CIKM
2010
Springer
15 years 4 months ago
Probabilistic ranking for relational databases based on correlations
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
Jaehui Park, Sang-goo Lee
IPMU
2010
Springer
15 years 11 months ago
Plateau Regions: An Implementation Concept for Fuzzy Regions in Spatial Databases and GIS
Abstract. Many geographical applications need to model spatial phenomena with vague or indeterminate boundaries and interiors. A popular paradigm adopted by the GIS community for t...
Virupaksha Kanjilal, Hechen Liu, Markus Schneider