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ÇѱÛÁ¦¸ñ(Korean Title) |
º´·Ä ºÐ¼®°ú ÀÇ¹Ì ¿©°ú¸¦ ÀÌ¿ëÇÑ ÀÚ¿¬¾î ÆÄ½Ì |
¿µ¹®Á¦¸ñ(English Title) |
Natural Language Parsing Using Parallel Analysis and Semantic Filtering |
ÀúÀÚ(Author) |
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Dongyul Ra
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¿ø¹®¼ö·Ïó(Citation) |
VOL 20 NO. 02 PP. 0264 ~ 0277 (1993. 02) |
Çѱ۳»¿ë (Korean Abstract) |
Àΰ£ÀÇ ÆÄ½Ì ½Ã½ºÅÛÀº ÀÚ¿¬¾î ÀÌÇØ ½Ã½ºÅ۵鿡°Ô Å« ¹®Á¦¸¦ ¾È°Ü ÁÖ´Â ¸ðÈ£¼ºÀ» Àß Ã³¸®ÇÑ´Ù. ÀÌ Á¡À» ÀÌ¿ëÇÏ°íÀÚ ÃÖ±Ù¿¡ Á¦¾ÈµÈ ½É¸®ÇÐÀÇ ÆÄ½Ì ¸ðµ¨À» ±â¹ÝÀ¸·Î ÇÏ¿© ¼³°èµÈ ÀÚ¿¬¾î Æļ¸¦ ¼Ò°³ÇÑ´Ù. ÀÌ ½É¸®ÇÐÀÇ ÆÄ½Ì ¸ðµ¨¿¡ µû¸£¸é ¿©·¯ °³ÀÇ °¡´ÉÇÑ ÆÄ½Ì °æ·Î°¡ µ¿½Ã¿¡ º´·Ä·Î Ãß±¸µÇ³ª, Æļ´Â ±× Áß¿¡¼ °¡Àå ÀǹÌÀûÀ¸·Î ÁÁÀº °Íµé¸¸ ³²±â°í ³ª¸ÓÁö´Â µÉ ¼ö ÀÖ´Â ´ë·Î »¡¸® Á¦°ÅÇÑ´Ù. ÀÌ·¯ÇÑ ÆÄ½Ì ¸ðµ¨À» À§Çؼ °³¹ßµÈ ÆÄ½Ì ±â¹ý¿¡¼´Â ¸ðµç °¡´ÉÇÑ ÆĽºµéÀ» È°¼ºÈ½ÃÅ°°í ºñ±³ÇÏ¿©¾ß Çϴµ¥ ÀÌ´Â ÆÐÅÏ°ú ¾×¼ÇÀ» °¡Áö´Â ±ÔÄ¢À» ÀÌ¿ëÇÏ´Â ÆĽ̽ýºÅÛÀ» äÅÃÇϵµ·Ï ÇÑ´Ù. ÀÌ ÆÄ½Ì ½Ã½ºÅÛÀº ¾ÆÁ÷ ¿Ï¼ºµÇÁö ¾ÊÀº ¼ººÐÀÇ Á¢Âø(attachment), °¢ ±ÔÄ¢¿¡ ÀÇÇÑ ÆÄ½Ì »óÅÂÀÇ Á¶»ç, ±×¸®°í attention-shifting ÀåÄ¡ ¾øÀÌ wait-and-see ±â´ÉÀÇ ´Þ¼º µî »õ·Î¿î Ư¡µéÀ» °®´Â´Ù.
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¿µ¹®³»¿ë (English Abstract) |
The human parsing system is good at handling ambiguities which cause a major problem for natural language understanding systems. This paper introduces a natural language parser designed to follow a recently proposed psychological parsing model. According to this psychological parsing model, all possible parses are pursued in parallel but the parser keeps only those parses with best semantics by removing the semantically bad parses as early as possible. A computational framework for this parsing model is developed. The need of activating and comparing all possible parses leads to a parsing system using pattern-action rules which has some new features such as attaching partially built constituents, testing the parsing state by each rule, and achieving the wait-and-see mechanism without using an attention shifting facility.
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