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» Model Based Deduction for Database Schema Reasoning
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ISCI
2007
151views more  ISCI 2007»
13 years 10 months ago
Enriching the ER model based on discovered association rules
The entity–relationship (ER) model, a powerful means for business and data modeling, needs to be enriched with new semantics as the real world changes and its understanding impr...
Guoqing Chen, Ming Ren, Peng Yan, Xunhua Guo
FDBS
2001
108views more  FDBS 2001»
13 years 11 months ago
Combining a Formal with an Example-driven Approach for Data Integration
Integrating data sources is a general problem in many scenarios. The main problem is the heterogeneity between data sources which were created and developed separately. In the lit...
Ingolf Geist, Kai-Uwe Sattler, Ingo Schmitt
SEMWEB
2005
Springer
14 years 3 months ago
Containment and Minimization of RDF/S Query Patterns
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Giorgos Serfiotis, Ioanna Koffina, Vassilis Christ...
DOLAP
1999
ACM
14 years 2 months ago
Event-Entity-Relationship Modeling in Data Warehouse Environments
We use the event-entity-relationship model (EVER) to illustrate the use of entity-based modeling languages for conceptual schema design in data warehouse environments. EVER is a g...
Lars Bækgaard
HIM
1997
Springer
162views Multimedia» more  HIM 1997»
14 years 2 months ago
Probabilistic Logical Information Retrieval for Content, Hypertext, and Database Querying
Classical retrieval models support content-oriented searching for documents using a set of words as data model. However, in hypertext and database applications we want to consider...
Thomas Rölleke, Markus Blömer