Capitalization Recovery for Text

Authors:
Eric W. Brown;Anni Coden
Affiliations:
-;-
Venue:
Information Retrieval Techniques for Speech Applications [this book is based on the workshop “Information Retrieval Techniques for Speech Applications”, held as part of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval in New Orleans, USA, in September 2001].
Year:
2001

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Abstract

Proper capitalization in text is a useful, often mandatory characteristic. Many text processing techniques rely on proper capitalization, and people can more easily read mixed case text. Proper capitalization, however, is often absent in a number of text sources, including automatic speech recognition output and closed caption text. The value of these text sources can be greatly enhanced with proper capitalization. We describe and evaluate a series of techniques that can recover proper capitalization. Our final system is able to recover more than 88% of the capitalized words with better than 90% accuracy.