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DOLAP
2004
ACM
14 years 23 days ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
VLDB
2004
ACM
128views Database» more  VLDB 2004»
14 years 20 days ago
An Annotation Management System for Relational Databases
We present an annotation management system for relational databases. In this system, every piece of data in a relation is assumed to have zero or more annotations associated with ...
Deepavali Bhagwat, Laura Chiticariu, Wang Chiew Ta...
VLDB
1999
ACM
97views Database» more  VLDB 1999»
13 years 11 months ago
Relational Databases for Querying XML Documents: Limitations and Opportunities
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...
Jayavel Shanmugasundaram, Kristin Tufte, Chun Zhan...
OTM
2005
Springer
14 years 24 days ago
Maintaining Global Integrity in Federated Relational Databases Using Interactive Component Systems
The maintenance of global integrity constraints in database federations is still a challenge since traditional integrity constraint management techniques cannot be applied to such ...
Christopher Popfinger, Stefan Conrad
DOLAP
2010
ACM
13 years 5 months ago
Relational versus non-relational database systems for data warehousing
Relational database systems have been the dominating technology to manage and analyze large data warehouses. Moreover, the ER model, the standard in database design, has a close r...
Carlos Ordonez, Il-Yeol Song, Carlos Garcia-Alvara...