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ER
1998
Springer
145views Database» more  ER 1998»
13 years 12 months ago
Design and Analysis of Quality Information for Data Warehouses
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...
Manfred A. Jeusfeld, Christoph Quix, Matthias Jark...
SEBD
2007
148views Database» more  SEBD 2007»
13 years 9 months ago
Containment of Conjunctive Object Meta-Queries
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
Andrea Calì, Michael Kifer
ICDE
2007
IEEE
167views Database» more  ICDE 2007»
14 years 9 months ago
GString: A Novel Approach for Efficient Search in Graph Databases
Graphs are widely used for modeling complicated data, including chemical compounds, protein interactions, XML documents, and multimedia. Information retrieval against such data ca...
Haoliang Jiang, Haixun Wang, Philip S. Yu, Shuigen...
AMR
2005
Springer
88views Multimedia» more  AMR 2005»
14 years 1 months ago
Context-Based Image Similarity Queries
Abstract. In this paper an effective context-based approach for interactive similarity queries is presented. By exploiting the notion of image “context”, it is possible to asso...
Ilaria Bartolini
SIGMOD
1996
ACM
99views Database» more  SIGMOD 1996»
13 years 12 months ago
A Query Language for Multidimensional Arrays: Design, Implementation, and Optimization Techniques
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
Leonid Libkin, Rona Machlin, Limsoon Wong