Sciweavers

1013 search results - page 36 / 203
» A Hierarchical Clustering Method for Semantic Knowledge Base...
Sort
View
KDD
2009
ACM
193views Data Mining» more  KDD 2009»
15 years 4 months ago
Category detection using hierarchical mean shift
Many applications in surveillance, monitoring, scientific discovery, and data cleaning require the identification of anomalies. Although many methods have been developed to iden...
Pavan Vatturi, Weng-Keen Wong
RECOMB
2002
Springer
15 years 10 months ago
Probabilistic hierarchical clustering for biological data
Biological data, such as gene expression profiles or protein sequences, is often organized in a hierarchy of classes, where the instances assigned to "nearby" classes in...
Eran Segal, Daphne Koller
ICMCS
2006
IEEE
150views Multimedia» more  ICMCS 2006»
15 years 3 months ago
Hierarchical Summarization of Videos by Tree-Structured Vector Quantization
Accurate grouping of video shots could lead to semantic indexing of video segments for content analysis and retrieval. This paper introduces a novel cluster analysis which, depend...
Sergio Benini, Aldo Bianchetti, Riccardo Leonardi,...
DATESO
2004
84views Database» more  DATESO 2004»
14 years 11 months ago
Query Expansion and Evolution of Topic in Information Retrieval Systems
Approach based on clustering will be described in our paper. Basic version of our system was given in [5] allows us to expand query through special index. Hierarchical agglomerativ...
Jiri Dvorský, Jan Martinovic, Václav...
VIS
2003
IEEE
121views Visualization» more  VIS 2003»
15 years 11 months ago
Hierarchical Clustering for Unstructured Volumetric Scalar Fields
We present a method to represent unstructured scalar fields at multiple levels of detail. Using a parallelizable classification algorithm to build a cluster hierarchy, we generate...
Christopher S. Co, Bjørn Heckel, Hans Hagen...