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Experiments in text file compression
Communications of the ACM, 1976A system for the compression of data files, viewed as strings of characters, is presented. The method is general, and applies equally well to English, to PL/I, or to digital data. The system consists of an encoder, an analysis program, and a decoder. Two algorithms for encoding a string differ slightly from earlier proposals.
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Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval, 2008
Recent research has demonstrated beyond doubts the benefits of compressing natural language texts using word-based statistical semistatic compression. Not only it achieves extremely competitive compression rates, but also direct search on the compressed text can be carried out faster than on the original text; indexing based on inverted lists benefits ...
Nieves R. Brisaboa +3 more
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Recent research has demonstrated beyond doubts the benefits of compressing natural language texts using word-based statistical semistatic compression. Not only it achieves extremely competitive compression rates, but also direct search on the compressed text can be carried out faster than on the original text; indexing based on inverted lists benefits ...
Nieves R. Brisaboa +3 more
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Information Systems, 1990
We present an algorithm using statistical information about word and digraph frequencies as well as the structural pattern concerning words with a common root and different suffixes. The single or composed most frequent words, included in a suitable dictionary, are encoded with a text pointer; the remaining words, where possible, are encoded according ...
SESSA, Maria Immacolata, PIERRO A.
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We present an algorithm using statistical information about word and digraph frequencies as well as the structural pattern concerning words with a common root and different suffixes. The single or composed most frequent words, included in a suitable dictionary, are encoded with a text pointer; the remaining words, where possible, are encoded according ...
SESSA, Maria Immacolata, PIERRO A.
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A Text Search Algorithm in Compressed Text
2021 International Conference on Information Technology (ICIT), 2021A text search algorithm within compressed text using the compression algorithm in [1] is presented. This compression algorithm compresses a pair of letters into one letter through mapping the lower bytes of their unicodes into one unicode character. It utilizes the fact that the unicodes of a given natural language alphabet have the same upper byte ...
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