Conceptual Neighbourhood Diagrams for Representing Moving Objects
The idea of Conceptual Neighbourhood Diagram (CND) has proved its relevance in the areas of qualitative reasoning about time...
A Refined Line-Line Spatial Relationship Model for Spatial Conflict Detection
In order to detect the spatial conflicts in the process of spatial database updating, a refined description of spatial...
Assessing Topological Consistency for Collapse Operation in Generalization of Spatial Databases
Generalization of spatial databases consists of complicated operations including not only geometric transformations but also topological changes. The changes...
A Semantic Approach to Query Rewriting for Integrated XML Data
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there...
Agent Oriented Data Integration
Data integration is the process by which data from heterogeneous data sources are conceptually integrated into a single cohesive...
A Taxonomy of Inaccurate Summaries and Their Management in OLAP Systems
Accurate summarizability is an important property in OLAP systems because inaccurate summaries can result in poor decisions. Furthermore, it...
AOSE and Organic Computing – How Can They Benefit from Each Other? Position Paper
Organic computing is an upcoming research area with strong relationships to the ideas and concepts of agent-based systems. In...
XCM: Conceptual Modeling for Dynamic Domains
ERM remains the tool of choice for conceptual data modeling. It relies on entities and relations to model the...
Precise Modeling and Verification of Topological Integrity Constraints in Spatial Databases: From an Expressive...
Recent works underline that the integration of topological relationships into the Object Constraint Language (OCL) is an important field...
Topological Relationships Between Complex Lines and Complex Regions
Topological relationships between spatial objects in the two-dimensional space have been investigated for a long time in a number...