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trieã«é–¢ã™ã‚‹odzã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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Javaã§Trieãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’å®Ÿè£…ã™ã‚‹
WEB+DB PRESS vol.42ã®ç‰¹é›†ã€Œã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ï¼†ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã€ã§ã‚‚ã¨ã‚Šã‚ã’ã‚‰ã‚Œã¦ã„ãŸTrie(ã¨ã‚‰ã„; p34-37)ã«ã¤ã„ã¦èª¿ã¹ã¦ã¿ãŸã®ã§ã€å¿˜ã‚Œãªã„ã‚ˆã†ã«ãƒ¡ãƒ¢ã§ã™ã€‚ Trie(s)ã¨ã„ã†ã®ã¯å˜èªžã‚’è¾žæ›¸ã®ãªã‹ã‹ã‚‰è¦‹ã¤ã‘å‡ºã™ã¨ãã«äººãŒãµã¤ã†ã«è¡Œã£ã¦ã„ã‚‹æŽ¢ã—æ–¹ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ã™ã€‚ä¾‹ãˆã°ã€poolãªã‚‰ã¾ãšã€pã®ã¨ã“ã‚ã«è¡Œã£ã¦ã€æ¬¡ã«oã®ã¨ã“ã‚ã«è¡Œã£ã¦ã€ã€ã€ã¤ã¾ã‚Šã€p -> o -> o -> lã¨æŽ¢ã—ã¦ã„ãã¾ã™ã€‚ç¶šã„ã¦prizeã‚’è¦‹ã¤ã‘ã‚‹ã¨ã—ãŸã‚‰ã€p -> r -> i -> z -> eã§ã™ãŒã€å…ˆé ã®æ–‡å—ãŒåŒã˜pãªã®ã§ã€pã®ä»˜è¿‘ã‹ã‚‰ã¯ãšã‚ŒãŸã¨ã“ã‚ã‹ã‚‰å§‹ã‚ãŸã‚Šã¯ã—ã¾ã›ã‚“ã€‚ã“ã®äºŒã¤ã®å˜èªžã®å ´åˆpã‚’prefixã¨è¦‹ãªã™ã®ãŒTrieã§ã™ã€‚poolã¨poleã ã£ãŸã‚‰prefixã¯poã«ã®ã³ã¦ã„ãã¾ã™ã€‚prefixãŒã®ã³ã¦ã„ã‘ã°ã„ãã»ã©å€™è£œã¯æ¸›ã£ã¦ã„ãã¾ã™ã€‚ã¡ã‚‡ã†ã©IDEã®ãƒ¡ã‚½ãƒƒãƒ‰è£œå®Œæ©Ÿèƒ½ã®ã‚ˆã†ã«
odz 2008/10/18
Java ã§ã® Trie

java

trie
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Tx: Succinct Trie Data Structure
English æ¦‚è¦ Txã¯ã‚³ãƒ³ãƒ‘ã‚¯ãƒˆãªTrieã‚’æ§‹ç¯‰ã™ã‚‹ãŸã‚ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã™ï¼Žå¾“æ¥ã®Trieã®å®Ÿè£…ï¼ˆdartsç‰ï¼‰ã«æ¯”ã¹1/4ã€œ1/10ã®ä½œæ¥é ˜åŸŸé‡ã§è¾žæ›¸ã‚’ä¿æŒã™ã‚‹ã“ã¨ãŒã§ãã€æ•°å„„ã€œåå„„ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ãªã©å¤§è¦æ¨¡ãªè¾žæ›¸ã‚’æ‰±ã†ã“ã¨ãŒå¯èƒ½ã§ã™ï¼ŽTrieã¯æ–‡å—åˆ—ã‹ã‚‰ãªã‚‹ã‚ãƒ¼é›†åˆã‚’å‡¦ç†ã™ã‚‹ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã§ã€ã‚ãƒ¼ãŒè¾žæ›¸ã«å«ã¾ã‚Œã¦ã„ã‚‹ã‹ã®ã¿ã§ã¯ãªãã€ã‚ãƒ¼ã®PrefixãŒå«ã¾ã‚Œã¦ã„ã‚‹ã‹ã‚’é«˜é€Ÿã«æ±‚ã‚ã‚‹ã“ã¨ãŒã§ãã¾ã™ï¼Žå†…éƒ¨ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã«ã¯Succinct Data Structureã§ã‚ã‚‹Level-Order Unary Degree Sequence (LOUDS)ã‚’åˆ©ç”¨ã—ã¦ã„ã¾ã™ï¼Ž ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ Txã¯ãƒ•ãƒªãƒ¼ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã™ï¼ŽBSD ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã«å¾“ã£ã¦æœ¬ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’ä½¿ç”¨,å†é…å¸ƒã™ã‚‹ã“ã¨ãŒã§ãã¾ã™. tx-0.12.tar.gz: HTTP Archives tx-0.11.tar.gz: HTTP tx
odz 2007/03/06
C++

library

trie
ãƒªãƒ³ã‚¯
Kubeflow Central Dashboard
Kubeflow Central Dashboard
odz 2006/10/11
pytst ã‚’ Ruby ã«ç§»æ¤

search

trie
ãƒªãƒ³ã‚¯
An Implementation of Double-Array Trie
Contents What is Trie? What Does It Take to Implement a Trie? Tripple-Array Trie Double-Array Trie Suffix Compression Key Insertion Key Deletion Double-Array Pool Allocation An Implementation Download Other Implementations References What is Trie? Trie is a kind of digital search tree. (See [Knuth1972] for the detail of digital search tree.) [Fredkin1960] introduced the trie terminology, which is
odz 2006/06/23
DataStructures

Double-Array

algorithm

search

trie
ãƒªãƒ³ã‚¯
ãã¾ãã‚Œæ—¥è¨˜: ã¯ã¦ãªã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ã‚’é«˜é€Ÿã«ä»˜ä¸Ž
odz 2006/02/05
programming

trie
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Tx: Succinct Trie Data Structure

Kubeflow Central Dashboard

An Implementation of Double-Array Trie

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