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³í¹®¸í »ç·Ê±â¹ÝÃß·Ð ÄÚ½ºÆ® ¸ðµ¨ÀÇ Á¤¼ºº¯¼ö ¼Ó¼º°¡ÁßÄ¡ »êÁ¤¹æ¹ý / A Method of Assigning Weight Values for Qualitative Attributes in CBR Cost Model
ÀúÀÚ¸í ÀÌÇö¼ö(Lee, Hyun-Soo) ; ±è¼ö¿µ½Äº°ÀúÀÚ(Kim, Sooyoung) ; ¹Ú¹®¼­(Park, Moonseo) ; Áö¼¼Çö½Äº°ÀúÀÚ(Ji, Sae-Hyun) ; ¼º±âÈÆ(Seong, Kihoon) ; ÆíÀçÈ£(Pyeon, Jae-Ho)
¹ßÇà»ç Çѱ¹°Ç¼³°ü¸®ÇÐȸ
¼ö·Ï»çÇ× Çѱ¹°Ç¼³°ü¸®ÇÐȸ ³í¹®Áý, Vol.12 No.1 (2011-01)
ÆäÀÌÁö ½ÃÀÛÆäÀÌÁö(53) ÃÑÆäÀÌÁö(9)
ISSN 1229-7534
ÁÖÁ¦ºÐ·ù ½Ã°ø(Àû»ê)
ÁÖÁ¦¾î °ø»çºñ¿¹Ãø ; »ç·Ê±â¹ÝÃß·Ð ; À¯Àü¾Ë°í¸®Áò ; Cost Estimating ; Case-Based Reasoning ; Genetic Algorithm
¿ä¾à1 °ÇÃà ÇÁ·ÎÁ§Æ®´Â ±× ´Ù¾ç¼º°ú Ư¼ö¼ºÀ¸·Î ÀÎÇØ ¸¹Àº ºÒÈ®½Ç¼ºÀ» °®°í ÀÖ´Ù. ÀÌ·¯ÇÑ ºÒÈ®½Ç¼ºÀ» ÇØ¼ÒÇϱâ À§ÇØ °ø»çºñ ¿¹ÃøÀº °ÇÃà ÇÁ·ÎÁ§Æ®ÀÇ Àü °úÁ¤¿¡ °ÉÃÄ ¹Ýº¹ÀûÀ¸·Î ÀÌ·ç¾îÁ®¾ß ÇÏ¸ç Æ¯È÷ Ãʱâ´Ü°èÀÇ °ø»çºñ ¿¹ÃøÀº È¿°úÀûÀÎ »ç¾÷ ÃßÁøÀ» À§ÇØ ¸Å¿ì Áß¿äÇÑ °úÁ¤ÀÌ´Ù. Åë»ó Ãʱâ´Ü°è °ø»çºñ ¿¹ÃøÀº °ú°Å¿¡ ¼öÇàµÇ¾ú´ø ½ÇÀû°ø»ç¿ÍÀÇ ºñ±³¸¦ ±â¹ÝÀ¸·Î Çϸç, ÀÌ·¯ÇÑ ¿ø¸®¸¦ ÀÌ¿ëÇÑ ±â°èÇнÀ¹æ¹ýÀÌ »ç·Ê±â¹ÝÃß·ÐÀÌ´Ù. »ç·Ê±â¹ÝÃß·ÐÀº ÇØ°áÇϰíÀÚ ÇÏ´Â ¹®Á¦¿Í À¯»çÇÑ »ç·Ê¸¦ µ¥ÀÌÅͺ£À̽º¿¡¼­ °Ë»ö, ¼öÁ¤ÇÏ¿© ÇØ´äÀ» ¾ò´Â ¹æ¹ýÀ¸·Î À̸¦ À§Çؼ­´Â ¼Ó¼º À¯»çµµ¿Í ¼Ó¼º °¡ÁßÄ¡ÀÇ Á¤Àǰ¡ ÇÊ¿äÇÏ´Ù. ±×·¯³ª ¼Ó¼º °¡ÁßÄ¡¸¦ °áÁ¤ÇÏ´Â ¹®Á¦¿¡ À־, ±âÁ¸ÀÇ ¹æ¹ýµéÀº Á¤¼ºº¯¼öÀÇ ¼Ó¼º °¡ÁßÄ¡ °áÁ¤ÀÌ ºÒ°¡´ÉÇÏ´Ù´Â ´ÜÁ¡ÀÌ ÀÖÀ¸¸ç, ÀÌ´Â »ç·Ê±â¹ÝÃ߷п¡ »ç¿ëÇÒ ¼ö ÀÖ´Â º¯¼ö¸¦ ÇÑÁ¤½Ã۱⠶§¹®¿¡ °ø»çºñ ¿¹ÃøÀÇ Á¤È®¼ºÀ» ÀúÇØ½ÃŰ´Â ¿äÀÎÀÌ µÇ°í ÀÖ´Ù. µû¶ó¼­ º» ¿¬±¸´Â ÃÖÀûÈ­ ¹®Á¦¸¦ ÇØ°áÇÏ´Â ±â¹ýÀÇ ÇϳªÀÎ À¯Àü ¾Ë°í¸®ÁòÀ» ÀÌ¿ëÇÏ¿© Á¤¼ºº¯¼öÀÇ ¼Ó¼º °¡ÁßÄ¡ °áÁ¤ ¹æ¹ýÀ» Á¦¾ÈÇϰí, À̸¦ ±¹¹æ º´¿µ»ýȰ°ü°ú °ø°ø¾ÆÆÄÆ®¿¡ Àû¿ëÇÏ¿© ±× À¯È¿¼ºÀ» °ËÁõÇÏ¿´´Ù.
¿ä¾à2 For construction projects, the importance of early cost estimates is highly recognized by the project team and sponsoring organization because early cost estimates are frequently a foundation of business decisions as well as a basis for identifying any changes as the project progresses from design to construction. However, it is difficult to accurately estimate construction cost in the early stage of a project due to various uncertainties in construction. To deal with these uncertainties, cost estimates should be made several times over the course of the project. In particular, early cost estimates are essential process for successful project management. For accurate construction cost estimates, it is necessary to compare cost estimates with actual costs based on historical project data. In this context, case-based reasoning (CBR), which is the process of solving new problems based on the solutions of similar past problems, can be considered as an effective method for cost estimating. To obtain this, it is also required to define the attribute similarities and the attribute weights. However, no existing method is capable of determining attribute weights of qualitative variables. Consequently, it has been a well-known barrier of accurate early cost estimates. Using Genetic Algorithms (GA), this research suggests the method of determining the attribute weight of qualitative variables. Based on building project case studies, the proposed methodology was validated.
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Áö¼¼Çö(Ji, Sae-Hyun) ; ¹Ú¹®¼­(Park, Moonseo) ; ÀÌÇö¼ö(Lee, Hyun-Soo) ; À±À¯»ó(Yoon, You-Sang) - Çѱ¹°Ç¼³°ü¸®ÇÐȸ ³í¹®Áý : Vol.9 No.2 (200804)
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À̸í½Ä(Lee, Myung-Sik) - °ÇÃà(´ëÇѰÇÃàÇÐȸÁö) : Vol.61 No.05 (201705)
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Áö¼¼Çö(Ji, Sae-Hyun) ; ¹Ú¹®¼­(Park, Moonseo) ; ÀÌÇö¼ö(Lee, Hyun-Soo) ; ¼º±âÈÆ(Seong, Ki-Hoon) ; À±À¯»ó(Yoon, You-Sang) - Çѱ¹°Ç¼³°ü¸®ÇÐȸ ³í¹®Áý : Vol.9 No.6 (200812)
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