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IEEECIT
2005
IEEE
14 years 4 months ago
Effectively Maintaining Single View Consistency in Web Warehouses
Web warehouse provides high availability and efficiency by utilizing materialized webviews, which should be refreshed in time to keep freshness. During the refreshing, the consis...
Yan Zhang, Xiangdong Qin
VLDB
2000
ACM
103views Database» more  VLDB 2000»
14 years 2 months ago
Performance Issues in Incremental Warehouse Maintenance
A well-known challenge in data warehousing is the efficient incremental maintenance of warehouse data in the presence of source data updates. In this paper, we identify several cr...
Wilburt Labio, Jun Yang 0001, Yingwei Cui, Hector ...
EDBTW
2010
Springer
13 years 8 months ago
A decision support system to improve e-learning environments
Nowadays, due to the lack of face-to-face contact, distance course instructors have real difficulties knowing who their students are, how their students behave in the virtual cour...
Marta E. Zorrilla, Diego García, Elena &Aac...
DATASCIENCE
2008
79views more  DATASCIENCE 2008»
13 years 10 months ago
Report from the first Workshop on Extremely Large Databases
Industrial and scientific datasets have been growing enormously in size and complexity in recent years. The largest transactional databases and data warehouses can no longer be ho...
Jacek Becla, Kian-Tat Lim
DOLAP
2005
ACM
14 years 21 days ago
Parallel querying of ROLAP cubes in the presence of hierarchies
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
Frank K. H. A. Dehne, Todd Eavis, Andrew Rau-Chapl...