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ÇѱÛÁ¦¸ñ(Korean Title) |
Çѱ¹¾î ÈÇà ºÐ·ù¸¦ À§ÇÑ ÃÖÀûÀÇ ÀÚÁú ÀÎ½Ä ¹× Á¶ÇÕÀÇ ºñ±³ ¿¬±¸ |
¿µ¹®Á¦¸ñ(English Title) |
A Comparative Study on Optimal Feature Identification and Combination for Korean Dialogue Act Classification |
ÀúÀÚ(Author) |
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Min-Jeong Kim
Jae-Hyun Park
Sang-Bum Kim
Hae-Chang Rim
Do-Gil Lee
|
¿ø¹®¼ö·Ïó(Citation) |
VOL 35 NO. 11 PP. 0681 ~ 0691 (2008. 11) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®Àº Åë°è ±â¹Ý Çѱ¹¾î ÈÇàºÐ·ù¸¦ À§ÇÏ¿© ÇÊ¿äÇÑ °¢ ÀÚÁúÀÌ ºÐ·ù ¼º´É¿¡ ¹ÌÄ¡´Â ¿µÇâ°ú ¼º´É Çâ»ó¿¡ ±â¿©ÇÏ´Â ÀÚÁú Á¶ÇÕÀ» ºñ±³ Æò°¡ÇÑ´Ù. ÁöÁöº¤Åͱâ°è ÇнÀ ¹æ¹ýÀ» ÀÌ¿ëÇÏ¿© ±¸ÇöÇÑ ÈÇà ºÐ·ù ½Ã½ºÅÛÀ» ÅëÇØ ½ÇÇèÇÑ °á°ú, n-gram ÀÚÁú Áß Ç°»ç ¹ÙÀ̱׷¥Àº À¯¿ëÇÏÁö ¾ÊÀ¸¸ç ÇüżÒ-Ç°»ç ½Ö°ú ´Ù¸¥ ÀÚÁúµéÀ» °áÇÕÇßÀ» ¶§ ¼º´ÉÀÌ Çâ»óµÊÀ» ¾Ë ¼ö ÀÖ¾ú´Ù. ¶ÇÇÑ, ÀÚÁú ¼±Åà ±â¹ýÀ» »ç¿ëÇÑ ÀÚÁú ºñÀ²¿¡ µû¸¥ ½ÇÇèÀ» ÅëÇؼ ¸Å¿ì ÀûÀº ÀÚÁú¸¸À¸·Îµµ ÈÇà ºÐ·ù¿¡ ÀÖ¾î ¾î´À Á¤µµ ¾ÈÁ¤µÈ ¼º´ÉÀ» ³¾ ¼ö ÀÖ¾ú´Ù. ¾Æ¿ï·¯, ½ÇÇè °á°úÀÇ ºÐ¼®À» ÅëÇØ Çѱ¹¾î¿¡¼ ¸¶Áö¸· ¾îÀýÀÌ ¹®Àå ÀüüÀÇ ÈÇàºÐ·ù¿¡ Áß¿äÇÑ ¿ªÇÒÀ» Çϸç, Çѱ¹¾îÀÇ Æ¯Â¡ÀÎ ÀÚÀ¯ ¾î¼øÀ̳ª ÁÖ¾îÀÇ ºó¹øÇÑ »ý·« µîÀÌ ÈÇà ºÐ·ù ½ÇÇèÀÇ ¼º´É¿¡ ¿µÇâÀ» ¹ÌÄ£´Ù´Â »ç½Çµµ ¾Ë ¼ö ÀÖ¾ú´Ù. |
¿µ¹®³»¿ë (English Abstract) |
In this paper, we have evaluated and compared each feature and feature combinations necessary for statistical Korean dialogue act classification. We have implemented a Korean dialogue act classification system by using the Support Vector Machine method. The experimental results show that the POS bigram does not work well and the morpheme-POS pair and other features can be complementary to each other. In addition, a small number of features, which are selected by a feature selection technique such as chi-square, are enough to show steady performance of dialogue act classification. We also found that the last eojeol plays an important role in classifying an entire sentence, and that Korean characteristics such as free order and frequent subject ellipsis can affect the performance of dialogue act classification. |
Å°¿öµå(Keyword) |
:Dialogue Act Classification
Korean Characteristi
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