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CIKM
2007
Springer
14 years 5 months ago
Structure and semantics for expressive text kernels
Several problems in text categorization are too hard to be solved by standard bag-of-words representations. Work in kernel-based learning has approached this problem by (i) consid...
Stephan Bloehdorn, Alessandro Moschitti
CIKM
2007
Springer
14 years 5 months ago
A knowledge-based search engine powered by wikipedia
This paper describes Koru, a new search interface that offers effective domain-independent knowledge-based information retrieval. Koru exhibits an understanding of the topics of b...
David N. Milne, Ian H. Witten, David M. Nichols
ERCIMDL
2007
Springer
87views Education» more  ERCIMDL 2007»
14 years 5 months ago
Thesaurus-Based Feedback to Support Mixed Search and Browsing Environments
We propose and evaluate a query expansion mechanism that supports searching and browsing in collections of annotated documents. Based on generative language models, our feedback me...
Edgar Meij, Maarten de Rijke
SPIRE
2007
Springer
14 years 5 months ago
Extending Weighting Models with a Term Quality Measure
Abstract. Weighting models use lexical statistics, such as term frequencies, to derive term weights, which are used to estimate the relevance of a document to a query. Apart from t...
Christina Lioma, Iadh Ounis
BIRD
2007
Springer
168views Bioinformatics» more  BIRD 2007»
14 years 3 months ago
Ontology-Based MEDLINE Document Classification
Abstract. An increasing and overwhelming amount of biomedical information is available in the research literature mainly in the form of free-text. Biologists need tools that automa...
Fabrice Camous, Stephen Blott, Alan F. Smeaton