ON THE PREPROCESSING ALGORITHM USED IN THE BOYER-MOORE ALGORITHM FOR STRING SEARCHING.

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作者
Semba, Ichiro [1 ]
机构
[1] Ibaraki Univ, Mito, Jpn, Ibaraki Univ, Mito, Jpn
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INFORMATION RETRIEVAL SYSTEMS - Performance;
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摘要
We consider the preprocessing algorithm for Boyer-Moore string-searching. This paper proposes a natural preprocessing algorithm coming to our mind. The average running time per pattern of length m is proved to be O(m plus m**2/q) under the assumption that q possible characters appear uniformly. The computer experiments show that the average running time per pattern of our algorithms is better than previous algorithms proposed.
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页码:228 / 231
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