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DAC
2005
ACM
16 years 8 months ago
Operator-based model-order reduction of linear periodically time-varying systems
eriodically time-varying (LPTV) abstractions are useful for a variety of communication and computer subsystems. In this paper, we present a novel operator-based model-order reduct...
Yayun Wan, Jaijeet S. Roychowdhury
SIGMOD
2005
ACM
111views Database» more  SIGMOD 2005»
16 years 7 months ago
Efficient Computation of Multiple Group By Queries
Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
Zhimin Chen, Vivek R. Narasayya
PRIB
2009
Springer
135views Bioinformatics» more  PRIB 2009»
16 years 1 months ago
Sequential Hierarchical Pattern Clustering
Abstract. Clustering is a widely used unsupervised data analysis technique in machine learning. However, a common requirement amongst many existing clustering methods is that all p...
Bassam Farran, Amirthalingam Ramanan, Mahesan Nira...
SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
16 years 21 days ago
Clustering Objects on a Spatial Network
Clustering is one of the most important analysis tasks in spatial databases. We study the problem of clustering objects, which lie on edges of a large weighted spatial network. Th...
Man Lung Yiu, Nikos Mamoulis
ICSM
2003
IEEE
16 years 16 days ago
Reverse Engineering of the Interaction Diagrams from C++ Code
In object oriented programming, the functionalities of a system result from the interactions (message exchanges) among the objects allocated by the system. While designing object ...
Paolo Tonella, Alessandra Potrich