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ÇѱÛÁ¦¸ñ(Korean Title) |
¸Ê¸®µà½º ÇÁ·¹ÀÓ¿÷ »ó¿¡¼ ¸Ê¸®µà½º ÇÔ¼ö È£ÃâÀ» ÃÖÀûÈÇÏ´Â ¼øÂ÷ ÆÐÅÏ ¸¶ÀÌ´× ±â¹ý |
¿µ¹®Á¦¸ñ(English Title) |
Sequential Pattern Mining with Optimization Calling MapReduce Function on MapReduce Framework |
ÀúÀÚ(Author) |
±èÁøÇö
½É±Ô¼®
Jinhyun Kim
Kyuseok Shim
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¿ø¹®¼ö·Ïó(Citation) |
VOL 18-D NO. 02 PP. 0081 ~ 0088 (2011. 04) |
Çѱ۳»¿ë (Korean Abstract) |
½ÃÄö½º(sequence) µ¥ÀÌÅÍ°¡ ÁÖ¾îÁ³À» ¶§ ±× Áß¿¡¼ ºó¹ø(frequent)ÇÑ ¼øÂ÷ ÆÐÅÏÀ» ã´Â ¼øÂ÷ ÆÐÅÏ ¸¶ÀÌ´×(sequential pattern mining)Àº ¿©·¯ ¾îÇø®ÄÉÀ̼Ç(application)¿¡ »ç¿ëµÇ´Â Áß¿äÇÑ µ¥ÀÌÅ͸¶ÀÌ´× ¹®Á¦ÀÌ´Ù. ¼øÂ÷ ÆÐÅÏ ¸¶ÀÌ´×Àº À¥ Á¢¼Ó ÆÐÅÏ, °í°´ ±¸¸Å ÆÐÅÏ, ƯÁ¤ Áúº´ÀÇ DNA ½ÃÄö½º¸¦ ã´Â µî ±¤¹üÀ§ÇÑ ºÐ¾ß¿¡¼ »ç¿ëµÈ´Ù. º» ³í¹®¿¡¼´Â ¸Ê¸®µà½º(MapReduce) ÇÁ·¹ÀÓ¿÷ »ó¿¡¼ ¸Ê¸®µà½º ÇÔ¼ö È£ÃâÀ» ÃÖÀûÈÇÏ´Â ¼øÂ÷ ÆÐÅÏ ¸¶ÀÌ´× ¾Ë°í¸®ÁòÀ» °³¹ßÇÏ¿´´Ù. ÀÌ ¾Ë°í¸®ÁòÀº ¿©·¯ ´ëÀÇ ±â°è¿¡ µ¥ÀÌÅ͵éÀ» ºÐ»ê½ÃÄÑ º´·ÄÀûÀ¸·Î ºó¹øÇÑ ¼øÂ÷ ÆÐÅÏÀ» ã´Â´Ù. ½ÇÇèÀûÀ¸·Î ´Ù¾çÇÑ µ¥ÀÌÅ͸¦ ÀÌ¿ëÇÏ¿© ÆĶó¹ÌÅÍ °ªÀ» º¯È½ÃÄÑ°¡¸ç Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀÇ ¼º´ÉÀ» Á¾ÇÕÀûÀ¸·Î È®ÀÎÇÏ¿´´Ù. ±×¸®°í ½ÇÇè °á°ú¸¦ ÅëÇØ Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀº ±â°è ¼ö¿¡ ´ëÇØ ¼±ÇüÀûÀÎ ¼Óµµ °³¼±À» º¸Àδٴ °ÍÀ» È®ÀÎÇÏ¿´´Ù.
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¿µ¹®³»¿ë (English Abstract) |
Sequential pattern mining that determines frequent patterns appearing in a given set of sequences is an important data mining problem with broad applications. For example, sequential pattern mining can find the web access patterns, customer's purchase patterns and DNA sequences related with specific disease. In this paper, we develop the sequential pattern mining algorithms using MapReduce framework. Our algorithms distribute input data to several machines and find frequent sequential patterns in parallel. With synthetic data sets, we did a comprehensive performance study with varying various parameters. Our experimental results show that linear speed up can be achieved through our algorithms with increasing the number of used machines.
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Å°¿öµå(Keyword) |
µ¥ÀÌÅ͸¶ÀÌ´×
¼øÂ÷ ÆÐÅÏ ¸¶ÀÌ´×
¸Ê¸®µà½º
ÇϵÓ
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Data Mining
Sequential Pattern Mining
MapReduce
Hadoop
Parallel Processing
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