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140
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DOLAP
2003
ACM
15 years 9 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
146
Voted
SSD
1999
Springer
106views Database» more  SSD 1999»
15 years 8 months ago
XZ-Ordering: A Space-Filling Curve for Objects with Spatial Extension
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
Christian Böhm, Gerald Klump, Hans-Peter Krie...
147
Voted
IJCAI
2003
15 years 5 months ago
Writer's Aid: Using a Planner in a Collaborative Interface
Writer’s Aid is a collaborative system that works simultaneously with an author editing a document providing assistance in identifying and inserting citation keys and autonomous...
Tamara Babaian, Barbara J. Grosz, Stuart M. Shiebe...
132
Voted
WWW
2005
ACM
16 years 4 months ago
XAR-miner: efficient association rules mining for XML data
In this paper, we propose a framework, called XAR-Miner, for mining ARs from XML documents efficiently. In XAR-Miner, raw data in the XML document are first preprocessed to transf...
Sheng Zhang, Ji Zhang, Han Liu, Wei Wang
167
Voted
WAIM
2009
Springer
15 years 10 months ago
Probabilistic Threshold Range Aggregate Query Processing over Uncertain Data
Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggrega...
Shuxiang Yang, Wenjie Zhang, Ying Zhang, Xuemin Li...