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CSDA
2010
105views more  CSDA 2010»
15 years 6 months ago
James-Stein shrinkage to improve k-means cluster analysis
We study a general algorithm to improve accuracy in cluster analysis that employs the James-Stein shrinkage effect in k-means clustering. We shrink the centroids of clusters towar...
Jinxin Gao, David B. Hitchcock
ENTCS
2008
116views more  ENTCS 2008»
15 years 6 months ago
Phil: A Lazy Implementation of a Language for Approximate Filtering of XML Documents
In this paper, we introduce a system, written in Haskell, for filtering information from XML data. Essentially, the system implements a simple declarative language which allows on...
Michele Baggi, Demis Ballis
JEA
2008
120views more  JEA 2008»
15 years 6 months ago
Better external memory suffix array construction
Suffix arrays are a simple and powerful data structure for text processing that can be used for full text indexes, data compression, and many other applications in particular in b...
Roman Dementiev, Juha Kärkkäinen, Jens M...
PUC
2007
109views more  PUC 2007»
15 years 6 months ago
Recognizing context for annotating a live life recording
Abstract In the near future, it will be possible to continuously record and store the entire audio–visual lifetime of a person together with all digital information that the pers...
Nicky Kern, Bernt Schiele, Albrecht Schmidt
WWW
2008
ACM
16 years 7 months ago
On incremental maintenance of 2-hop labeling of graphs
Recent interests on XML, Semantic Web, and Web ontology, among other topics, have sparked a renewed interest on graph-structured databases. A fundamental query on graphs is the re...
Ramadhana Bramandia, Byron Choi, Wee Keong Ng