Peter Wallis

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Our work involves the study of the extent to which natural language processing techniques aid the automatic indexing and retrieval of documents. In this paper we describe the use of signature files in large text retrieval systems. We show that good performance can be obtained without requiring the significant overheads required for the inverted file(More)
Applied discourse analysis is a hot topic in Information Retrieval (IR) and the related field of Information Extraction (IE). Although interesting observations about discourse can be made "by hand," applications require large quantities of data about language-data which is rather uninteresting. This paper investigates using statistical analysis over a body(More)
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