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» Cluster validation using information stability measures
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PAMI
2010
192views more  PAMI 2010»
14 years 8 months ago
Multiway Spectral Clustering with Out-of-Sample Extensions through Weighted Kernel PCA
—A new formulation for multiway spectral clustering is proposed. This method corresponds to a weighted kernel principal component analysis (PCA) approach based on primal-dual lea...
Carlos Alzate, Johan A. K. Suykens
ECRTS
2007
IEEE
15 years 1 months ago
Statistical QoS Guarantee and Energy-Efficiency in Web Server Clusters
In this paper we study the soft real-time web cluster architecture needed to support e-commerce and related applications. Our testbed is based on an industry standard, which defin...
Luciano Bertini, Julius C. B. Leite, Daniel Moss&e...
CAISE
2003
Springer
15 years 3 months ago
A Bi-Temporal Data Warehouse Model
In data warehouses measures are analyzed along different dimensions. Although the structures of these dimensions change over time, data warehouse tools currently in use are not ab...
Christian Koncilia
ADMA
2005
Springer
202views Data Mining» more  ADMA 2005»
14 years 11 months ago
A Latent Usage Approach for Clustering Web Transaction and Building User Profile
Web transaction data between web visitors and web functionalities usually convey users’ task-oriented behavior patterns. Clustering web transactions, thus, may capture such infor...
Yanchun Zhang, Guandong Xu, Xiaofang Zhou
CIKM
2003
Springer
15 years 3 months ago
Summarization evaluation using relative utility
We present a series of experiments to demonstrate the validity of Relative Utility (RU) as a measure for evaluating extractive summarizers. RU is applicable in both singledocument...
Dragomir R. Radev, Daniel Tam