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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

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ÇѱÛÁ¦¸ñ(Korean Title) µµ·Î ±³Åë¸Á ȯ°æ¿¡¼­ G-Æ®¸® ±¸Á¶¸¦ ÀÌ¿ëÇÑ ´ÜÀÏ ±×·ì ÄÝ·ºÆ¼ºê ¿©Çà ÁúÀÇ Ã³¸®
¿µ¹®Á¦¸ñ(English Title) Single Group Collective Trip Planning Query Processing Using G-tree Index Structures on Road Networks
ÀúÀÚ(Author) ÀÌÁرԠ  ¹Ú ¼®   Junkyu Lee   Seog Park  
¿ø¹®¼ö·Ïó(Citation) VOL 47 NO. 05 PP. 0513 ~ 0525 (2020. 05)
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(Korean Abstract)
º» ¿¬±¸¿¡¼­´Â, À§Ä¡ ±â¹ÝÀÇ ½ÂÂ÷ °øÀ¯ ¼­ºñ½º¿¡¼­ Àüü ¿©Çàºñ¿ëÀ» ÃÖ¼ÒÈ­ ÇÏ´Â ´ÜÀÏ ±×·ì ÄÝ·ºÆ¼ºê ¿©Çà ÁúÀÇ Ã³¸®¸¦ ´Ù·ç·Á°í ÇÑ´Ù. ´ÜÀÏ ±×·ì ÄÝ·ºÆ¼ºê ¿©Çà ÁúÀÇ´Â ¿©·¯ ¸íÀÇ »ç¿ëÀÚµéÀÌ Æ¯Á¤ ÁöÁ¡¿¡ ¸ð¿©¼­ ÇϳªÀÇ ¿î¼Û ¼ö´ÜÀ» ÀÌ¿ëÇÏ¿© µµÂø ÁöÁ¡À¸·Î À̵¿À» ÇÒ ¶§, ÀÌ ¶§ ¼Ò¿äµÇ´Â Àüü ºñ¿ëÀ» ÃÖ¼ÒÈ­ ÇÏ´Â ÁöÁ¡À» ã´Â °ÍÀÌ ¸ñÇ¥ÀÌ´Ù. ÄÝ·ºÆ¼ºê ¿©Çà ÁúÀÇ¿Í °ü·ÃµÈ ¿¬±¸µéÀÌ ¸¹ÀÌ ÁøÇàÀÌ µÇ¾úÁö¸¸ ƯÁ¤ »óȲ¿¡¼­¸¸ È¿°úÀûÀÎ ¼º´ÉÀ» º¸Àδٴ ¹®Á¦Á¡À» °¡Áö°í ÀÖ´Ù. µû¶ó¼­ ¿ì¸®´Â ´ÜÀÏ ±×·ì ÄÝ·ºÆ¼ºê ¿©ÇàÁúÀÇÀÇ ±âÃÊ ÇØ°á ¹æ¾ÈÀ» ¼Ò°³ÇÏ°í ÇØ´ç ¹æ¾Èº¸´Ù ´õ ³ªÀº ¼º´ÉÀ» º¸ÀÌ´Â G-Æ®¸® ±â¹ÝÀÇ È¿°úÀûÀÎ °¡ÁöÄ¡±â ±â¹ýÀ» Á¦½ÃÇÑ´Ù. Ãß°¡·Î, ±âÁ¸¿¡ ¿¬±¸µÇ¾ú´ø ¹æ¹ýµéÀÇ ÇѰ踦 ¹àÈ÷°í, Á¦½ÃÇÏ´Â ±â¹ýÀÌ ±âÁ¸ ¿¬±¸µéÀÌ °®´Â ÇÑ°è¿¡ ¿µÇâÀ» ¹ÞÁö ¾Ê°í ÃÖÀû °á°ú¸¦ ±¸ÇÒ ¼ö ÀÖÀ½À» ½ÇÇèÀ» ÅëÇØ º¸ÀδÙ.
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(English Abstract)
In this paper, we discuss Single Group Collective Trip Planning (SGCTP) queries that minimize the overall travel cost in location-based ride sharing services. The SGCTP queries identify a meeting point that minimizes the overall cost of such a trip when a group of users are gathered at a particular point and travel to the destination using one vehicle. Although many researches on collective trip planning queries have been conducted, there is a problem that the query performance is effective only in a specific situation. So, we introduce a baseline method of the SGCTP queries and then, propose an effective pruning technique with a G-tree index structure. Additionally, we analyze that the limitations of the previous studies, and experimental results show that the proposed pruning technique can obtain the optimal query result without being affected by the limitations of the previous studies
Å°¿öµå(Keyword) °ø°£ µ¥ÀÌÅͺ£À̽º   ¿©Çà °èȹ ÁúÀÇ   G-Æ®¸®   ÃÖÀû µµÂø Àå¼Ò   µµ·Î ±³Åë¸Á   ÃÖÀû À§Ä¡ ÁúÀÇ   spatial databases   trip planning queries   G-tree   optimal end-stop   road network   optimal location queries  
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