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» On Heuristic Time Hierarchies
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SDM
2012
SIAM
234views Data Mining» more  SDM 2012»
13 years 8 months ago
On Evaluation of Outlier Rankings and Outlier Scores
Outlier detection research is currently focusing on the development of new methods and on improving the computation time for these methods. Evaluation however is rather heuristic,...
Erich Schubert, Remigius Wojdanowski, Arthur Zimek...
SDM
2012
SIAM
289views Data Mining» more  SDM 2012»
13 years 8 months ago
Mining Compressing Sequential Patterns
Compression based pattern mining has been successfully applied to many data mining tasks. We propose an approach based on the minimum description length principle to extract seque...
Hoang Thanh Lam, Fabian Moerchen, Dmitriy Fradkin,...
BMCBI
2008
139views more  BMCBI 2008»
15 years 6 months ago
A topological transformation in evolutionary tree search methods based on maximum likelihood combining p-ECR and neighbor joinin
Background: Inference of evolutionary trees using the maximum likelihood principle is NP-hard. Therefore, all practical methods rely on heuristics. The topological transformations...
Maozu Guo, Jian-Fu Li, Yang Liu
GIS
2009
ACM
16 years 7 months ago
Efficient Viewpoint Assignment for Urban Texture Documentation
We envision participatory texture documentation (PTD) as a process in which a group of users (dedicated individuals and/or general public) with camera-equipped mobile phones parti...
Cyrus Shahabi, Farnoush Banaei Kashani, Houtan Shi...
EDBT
2008
ACM
161views Database» more  EDBT 2008»
16 years 6 months ago
Load distribution of analytical query workloads for database cluster architectures
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
Thomas Phan, Wen-Syan Li