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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ÇÐȸÁö > µ¥ÀÌÅͺ£À̽º ¿¬±¸È¸Áö(SIGDB)

µ¥ÀÌÅͺ£À̽º ¿¬±¸È¸Áö(SIGDB)

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ÇѱÛÁ¦¸ñ(Korean Title) ¸Ó½Å·¯´× ±â¹Ý ½Ã°¢È­ ÃßõÀ» À§ÇÑ ¸ÞŸƯ¡ °øÇÐ
¿µ¹®Á¦¸ñ(English Title) Meta-Feature Engineering for Machine Learning-based Visualization Recommendation
ÀúÀÚ(Author) ÃÖÈñ¿ø   Hee-won Choi   ±èÇÑÁØ   Han-joon Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 36 NO. 02 PP. 0069 ~ 0083 (2020. 08)
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(Korean Abstract)
º» ³í¹®Àº Ư¡°øÇÐÀ» ÀÌ¿ëÇÑ ÀÚµ¿ µ¥ÀÌÅÍ ½Ã°¢È­ ½Ã½ºÅÛÀÇ ½ÇÇö °¡´É¼ºÀ» È®ÀÎÇÏ°í, ½Ã°¢È­ Ãßõ ½Ã½ºÅÛÀÇ ±â¹ÝÀÌ µÇ´Â ¸ÞŸµ¥ÀÌÅÍ(Metadata) ¼³°è °úÁ¤À» ¼Ò°³ÇÑ´Ù. ÀÚµ¿ ½Ã°¢È­ ½Ã½ºÅÛÀ» ±¸ÃàÇϱ⿡ ¾Õ¼­ ÁÖ¾îÁø ÀԷµ¥ÀÌÅͷκÎÅÍ Ç¥ÇöµÈ ½Ã°¢È­ °á°úÀÇ À¯Àǹ̼ºÀ» °áÁ¤ÇÏ´Â ¸ÞŸ¼º Ư¡ º¯¼ö¸¦ ÃßÃâÇÑ´Ù. ÀÌ °úÁ¤¿¡¼­ ÆÇ´ÜÀÌ ¾Ö¸Å¸ðÈ£ÇÑ ¸·´ë±×·¡ÇÁ¿Í ¿ø±×·¡ÇÁÀÇ ÆÐÅÏÀ» ÇнÀÇϱâ À§ÇÑ ¸ÞŸƯ¡À» Á¦¾ÈÇÑ´Ù. ¶ÇÇÑ, ÀÚµ¿ ÀÌ»êÈ­ ±â¹ýÀÎ Æò±ÕÀ̵¿ ±ºÁýÈ­(Mean-shift clustering)¸¦ Á¦¾ÈÇÔÀ¸·Î½á ¼öÄ¡Çü ¼Ó¼ºÀ» ¿ä¾àÁ¤º¸ ½Ã°¢È­·Î Ç¥Çö °¡´ÉÇÏ°Ô ÇÑ´Ù. »ý¼ºÇÑ ¸ÞŸƯ¡µéÀÇ Áß¿äµµ°¡ SHAP(SHapley Additive exPlanation)À» ÅëÇØ Æò°¡µÇ¾úÀ¸¸ç, 48°³ÀÇ ¸ÞŸƯ¡ Áß¿¡¼­ »óÀ§ 5°³ÀÇ Áß¿ä Ư¡ÀÌ µµÃâµÇ¾ú´Ù. ¶ÇÇÑ, ¿ì¸®´Â Æò±ÕÀ̵¿ ±ºÁýÈ­¸¦ Àû¿ëÇÏ¿© ¿ä¾à µ¥ÀÌÅÍ·Î º¯È¯µÈ ¼öÄ¡Çü Ư¡°ªµéÀÌ À¯ÀǹÌÇÑ ½Ã°¢È­ °á°ú·Î »ý¼ºµÊÀ» º¸¿´´Ù. ´Ù¾çÇÑ Á¾·ùÀÇ µ¥ÀÌÅ͸¦ È°¿ëÇÑ ½ÇÇèÀ» ÅëÇÏ¿©, Á¦¾ÈµÈ ¸ÞŸƯ¡µéÀ» °¡Áö°í ÀÇ»ç°áÁ¤³ª¹«¿Í ·£´ýÆ÷·¹½ºÆ® ¾Ë°í¸®ÁòÀ» ÅëÇØ »ý¼ºµÈ Ãßõ ¸ðµ¨ÀÌ °¡Àå À¯ÀǹÌÇÑ ½Ã°¢È­ °á°ú¸¦ »ý¼ºÇÏ¿´´Ù.
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(English Abstract)
This paper shows the feasibility of an automated data visualization system using feature engineering and describes a meta-feature design process that is the basis of a visualization recommendation system. Before building the automated visualization system, the meta-features are extracted so that the visualization results from given input data can be reasonable. In this paper, we propose a set of meta-features that contribute to learn the ambiguous patterns of bar plots and pie plots. Also, we propose a way of using mean-shift clustering so that numerical features can be expressed as summary data for more reasonable visualization. The proposed meta-features was evaluated through SHAP (SHapley Additive exPlanation) in terms of feature importance of learned model, and significant top-5 features were identified among 48 meta-features. In addition, we showed that numeric feature values are converted into summary data by applying mean-shift clustering, and they are expressed into meaningful visualization results. Through experiments using various types of data, a visualization recommendation model generated through the decision tree and random forest algorithms generated the most meaningful visualization results.
Å°¿öµå(Keyword) ¸Ó½Å·¯´×   µ¥ÀÌÅÍ ½Ã°¢È­   Ư¡°øÇР  ¸ÞŸµ¥ÀÌÅÍ   Æò±ÕÀ̵¿ ±ºÁýÈ­   Machine Learning   Data visualization   Feature Engineering   Metadata   Mean-shift clusteri  
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