TELLTALE: Experiments in a dynamic hypertext environment for degraded and multilingual data

Claudia Pearce and Charles Nicholas

Journal of the American Society for Information Science, 1996, vol. 47, issue 4, 263-275

Abstract: Methods and tools for finding documents relevant to a user's needs in document corpora can be found in the information retrieval, library science, and hypertext communities. Typically, these systems provide retrieval capabilities for fairly static corpora, their algorithms are dependent on the language for which they are written, e.g. English, and they do not perform well when presented with misspelled words or text that has been degraded by OCR (optical character recognition) techniques. In this article, we present experimentation results for the TELLTALE system. TELLTALE is a dynamic hypertext environment that provides full‐text search from a hypertext‐style user interface for text corpora that may be garbled by OCR or transmission errors, and that may contain languages other than English. TELLTALE uses several techniques based on n‐grams (n character sequences of text). With these results we show that the dynamic linkage mechanisms in TELLTALE are tolerant of garbles in up to 30% of the characters in the body of the text. © 1996 John Wiley & Sons, Inc.

Date: 1996
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