Á¤º¸°úÇÐȸ ÄÄÇ»ÆÃÀÇ ½ÇÁ¦ ³í¹®Áö (KIISE Transactions on Computing Practices)
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
±×¸®µå À妽º ±â¹Ý ºä ¼±Åà ±â¹ýÀ» ÀÌ¿ëÇÑ È¿À²ÀûÀÎ Top-k ÁúÀÇó¸® ¾Ë°í¸®Áò |
¿µ¹®Á¦¸ñ(English Title) |
Efficient Top-k Query Processing Algorithm Using Grid Index-based View Selection Method |
ÀúÀÚ(Author) |
ÀÌÁ¤¿ì
±è³²À±
±èâ¿ì
Jung-woo Lee
Nam-yoon Kim
Chang-woo Kim
È«½ÂÅÂ
À±µé³á
ÀåÀç¿ì
Seungtae Hong
Deulnyeok Youn
Jae Woo Chang
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¿ø¹®¼ö·Ïó(Citation) |
VOL 21 NO. 01 PP. 0076 ~ 0081 (2015. 01) |
Çѱ۳»¿ë (Korean Abstract) |
ÃÖ±Ù ´ë¿ë·® µ¥ÀÌÅÍÀÇ ºÐ¼®À» À§ÇÑ top-k ÁúÀÇó¸® ¾Ë°í¸®Áò¿¡ ´ëÇÑ °ü½ÉÀÌ °íÁ¶µÇ°í ÀÖ´Ù.
±×·¯³ª ±âÁ¸ top-k ÁúÀÇó¸® ¾Ë°í¸®ÁòÀº È¿À²ÀûÀÎ À妽º ±¸Á¶¸¦ Á¦°øÇÏÁö ¾Ê±â ¶§¹®¿¡, ³ôÀº Ž»ö ºñ¿ëÀ» ¾ß±âÇϸç, ¾Æ¿ï·¯ ´Ù¾çÇÑ ÁúÀÇ À¯ÇüÀ» Áö¿øÇÏÁö ¸øÇÏ´Â ¹®Á¦Á¡ÀÌ Á¸ÀçÇÑ´Ù. ÀÌ·¯ÇÑ ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇØ, º» ³í¹®¿¡¼´Â ±×¸®µå À妽º ±â¹Ý ºä ¼±Åà ±â¹ýÀ» ÀÌ¿ëÇÑ top-k ÁúÀÇó¸® ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈÇÏ´Â ±â¹ýÀº ±×¸®µå À妽º ±â¹ÝÀÇ ºä ¼±Åà ±â¹ýÀ» ÅëÇØ ÁÖ¾îÁø ÁúÀÇ ¿µ¿ª¿¡ ´ëÇÏ¿© ÃÖ¼ÒÇÑÀÇ ±×¸®µå¼¿¸¸À» Ž»öÇÔÀ¸·Î½á ÁúÀÇó¸® ½Ã°£À» °¨¼Ò½ÃŲ´Ù. ¸¶Áö¸·À¸·Î, ¼º´É Æò°¡¸¦ ÅëÇØ Á¦¾ÈÇÏ´Â top-k ÁúÀÇó¸® ¾Ë°í¸®ÁòÀÌ ±âÁ¸ ¾Ë°í¸®Áò¿¡ ºñÇØ ÁúÀÇó¸® ½Ã°£ ¹× ÁúÀÇ °á°ú Á¤È®µµ Ãø¸é¿¡¼ ¿ì¼öÇÔÀ» ³ªÅ¸³½´Ù.
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¿µ¹®³»¿ë (English Abstract) |
Research on top-k query processing algorithms for analyzing big data have been spotlighted recently. However, because existing top-k query processing algorithms do not provide an efficient index structure, they incur high query processing costs and cannot support various types of queries. To solve these problems, we propose a top-k query processing algorithm using a view selection method based on a grid index. The proposed algorithm reduces the query processing time by retrieving the minimum number of grid cells for the query range, by using a grid index-based view selection method. Finally, we show from our performance analysis that the proposed scheme outperforms an existing scheme, in terms of both query processing time and query result accuracy.
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Å°¿öµå(Keyword) |
Single Side Band
mixer
CMOS
switches
QVCO
´ë¿ë·® µ¥ÀÌÅÍ
top-k ÁúÀÇó¸®
±×¸®µå À妽º
ºä ¼±Åà ±â¹ý
big data
top-k query processing
grid index
view selection method
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