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IR
2006
15 years 6 months ago
Evolving local and global weighting schemes in information retrieval
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
Ronan Cummins, Colm O'Riordan
ACL
2011
14 years 10 months ago
Semi-supervised latent variable models for sentence-level sentiment analysis
We derive two variants of a semi-supervised model for fine-grained sentiment analysis. Both models leverage abundant natural supervision in the form of review ratings, as well as...
Oscar Täckström, Ryan T. McDonald
WWW
2005
ACM
16 years 7 months ago
Web-assisted annotation, semantic indexing and search of television and radio news
The Rich News system, that can automatically annotate radio and television news with the aid of resources retrieved from the World Wide Web, is described. Automatic speech recogni...
Mike Dowman, Valentin Tablan, Hamish Cunningham, B...
SEMWEB
2007
Springer
16 years 12 days ago
Media Watch on Climate Change: Building and Visualizing Contextualized Information Spaces
Abstract. This paper presents the ’Media Watch on Climate Change’, an interactive Web portal that combines a portfolio of semantic services with a visual interface based on tig...
Arno Scharl, Albert Weichselbraun, Alexander Hubma...
EPS
1998
Springer
15 years 10 months ago
Acquisition of General Adaptive Features by Evolution
We investigate the following question. Do populations of evolving agents adapt only to their recent environment or do general adaptive features appear over time? We find statistica...
Dan Ashlock, John E. Mayfield