© 1986 by British Computer Society
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A Letter-oriented Minimal Perfect Hashing Scheme

1 Institute of Applied Mathematics, National Chung Hsing University, Taichung, Taiwan 400, Republic of China, 2 National Tsing Hua University, Hsinchu, Taiwan 300, Republic of China and Academia Sinica, Taipei, Taiwan 115, Republic of China
In this paper, we shall describe a minimal perfect hashing scheme suitable for letter-oriented keys. We successfully applied this minimal perfect hashing function to four non-trivial set of keys: 12 months in English, 34 non-printable ASCII identifiers, 31 most frequently used English words and 36 Pascal reserved words.
Received September 1984.
* To whom correspondence should be addressed.
Institute of Applied Mathematics, National Chung Hsing University, Taichung, Taiwan 400, Republic of China
¶ National Tsing Hua University, Hsinchu, Taiwan 300, and Academia Sinica, Taipei, Taiwan 115, Republic of China