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BNCOD
2008
83views Database» more  BNCOD 2008»
15 years 3 months ago
Finding Data Resources in a Virtual Observatory Using SKOS Vocabularies
Abstract. One problem faced by astronomers using the virtual observatory is finding which of the multitude of data resources is relevant for them. The current tool, VOExplorer, rel...
Alasdair J. G. Gray, Norman Gray, Iadh Ounis
WEBNET
1998
15 years 3 months ago
Guided Surfing: A Multimethod Assessment of a Layered Hypermap WWW Interface
: A multi-level hypermap interface was created for the display of world wide web pages relevant to an undergraduate class in Sensation and Perception. Assessment of the interface c...
Richard Hall, Eric L. Stocks
TREC
2007
15 years 2 months ago
DUTIR at TREC 2007 Enterprise Track
This paper describes our experiments on the two tasks of the TREC 2007 Enterprise track. In data preprocessing stage we stripped the non-letter character from documents and query....
Jianmei Chen, Hui Ren, Linhong Xu, Hongfei Lin, Zh...
IR
2002
15 years 1 months ago
Threshold Setting and Performance Optimization in Adaptive Filtering
An experimental adaptive filtering system, built on the Okapi search engine, is described. In addition to the regular text retrieval functions, the system requires a complex set o...
Stephen E. Robertson
IGARSS
2010
14 years 11 months ago
Spatial preprocessing for endmember extraction using unsupervised clustering and orthogonal subspace projection concepts
In this paper, we develop a new spatial preprocessing strategy which can be applied prior to a spectral-based endmember extraction process for unmixing of hyperspectral data. Our ...
Gabriel Martin, Antonio J. Plaza