Browsing South African Computer Journal (SACJ) by Subject "Information retrieval"

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Discriminators for authorship attribution

Paijmans, H (South African Computer Society (SAICSIT), 1999)

This paper describes some experiments with the automated attribution of authorship. Lexical cohesion in combination with machine learning techniques are used as a method to compare texts of different authors. A methodology ...
The use of a lattice for fast pattern matching

Oosthuizen, GD (South African Institute of Computer Scientists and Information Technologists, 1990)

Pattern recognition involves the matching of a given pattern against a collection of patterns in store in order to identify the given pattern as belonging to a particular class already known to the system or not. Similarly, ...
Word frequencies in scientific prose

Paijmans, H (South African Computer Society (SAICSIT), 1995)

An overview is given of popular term-weighting schemes as used in Information Retrieval. The question is raised whether the word frequency based t f.idf weights may be used as a yardstick to compare schemes that are not ...

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