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題 名 | A Composite Perfect Hashing Scheme for Large Letter-Oriented Key Set |
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作 者 | 張真誠; | 書刊名 | Journal of Information Science and Engineering |
卷 期 | 7:2 1991.06[民80.06] |
頁 次 | 頁173-186 |
分類號 | 312.74 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | A method is presented for constructing composite perfect hashing functions for letter-oriented key sets. Contrary to the usual perfect hashing, ours can store a large set of keys. Our scheme is inspired by Chang, Chen and Jan's method. With the help of a hashing indicator directory (HID), we compose a set of perfect hashing functions constructed by Chang, Chen and Jan's method. An algorithm to construct HIDs and a simple algorithm to retrieve data are also presented. |
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