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MVA
2000
122views Computer Vision» more  MVA 2000»
13 years 9 months ago
Unsupervised Classification of X-Ray Mapping Images of Polished Sections
X-ray mapping images of polished sections are classified using two unsupervised clustering algorithms. The methods applied are the k-means algorithm and an extended spectral fuzzy...
Klaus Baggesen Hilger, Allan Aasbjerg Nielsen, Jen...
CEC
2010
IEEE
13 years 9 months ago
A novel framework to elucidate core classes in a dataset
In this paper we present an original framework to extract representative groups from a dataset, and we validate it over a novel case study. The framework specifies the application ...
Daniele Soria, Jonathan M. Garibaldi
ICWSM
2009
13 years 5 months ago
Gephi: An Open Source Software for Exploring and Manipulating Networks
Gephi is an open source software for graph and network analysis. It uses a 3D render engine to display large networks in real-time and to speed up the exploration. A flexible and ...
Mathieu Bastian, Sebastien Heymann, Mathieu Jacomy
SIGMOD
2011
ACM
248views Database» more  SIGMOD 2011»
12 years 10 months ago
Llama: leveraging columnar storage for scalable join processing in the MapReduce framework
To achieve high reliability and scalability, most large-scale data warehouse systems have adopted the cluster-based architecture. In this paper, we propose the design of a new clu...
Yuting Lin, Divyakant Agrawal, Chun Chen, Beng Chi...
ICDE
2008
IEEE
103views Database» more  ICDE 2008»
14 years 9 months ago
Processing Diagnosis Queries: A Principled and Scalable Approach
Abstract-- Many popular Web sites suffer occasional uservisible problems such as slow responses, blank pages or error messages being displayed, items not being added to shopping ca...
Shivnath Babu, Songyun Duan, Kamesh Munagala