Á¤º¸°úÇÐȸ ³í¹®Áö B : ¼ÒÇÁÆ®¿þ¾î ¹× ÀÀ¿ë
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
½ÇÃ¼ÈµÈ °ø°£ ºäÀÇ Á¡ÁøÀû º¯°æ |
¿µ¹®Á¦¸ñ(English Title) |
Incremental Update of Materialized Spatial Views |
ÀúÀÚ(Author) |
¹®»óÈ£
±èµ¿Çö
È«ºÀÈñ
Sang-Ho Moon
Dong-Hyun Kim
Bong-Hee Hong
|
¿ø¹®¼ö·Ïó(Citation) |
VOL 25 NO. 01 PP. 0037 ~ 0050 (1998. 01) |
Çѱ۳»¿ë (Korean Abstract) |
°ø°£ ºä´Â º¹ÀâÇÑ °ø°£ ÁúÀÇ¿¡ ÀÇÇØ À¯µµµÇ±â ¶§¹®¿¡, ÁúÀÇ ¼öÇà ¼Óµµ¸¦ Çâ»ó½ÃÅ°±â À§ÇÏ¿© ÇÊ¿äÇÒ ¶§¸¶´Ù ¿¬»ê¿¡ ÀÇÇØ ºä¸¦ À¯µµÇÏ´Â °Íº¸´Ù ºä¸¦ ¼³Ã¼ÈÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÏ´Ù. ±×¸®°í °ø°£ ºä ½Çüȿ¡¼´Â ¼Ò½º °´Ã¼ÀÇ º¯°æ¿¡ µû¶ó ½ÇÃ¼ÈµÈ ºäÀÇ ÀÏ°ü¼ºÀ» À¯ÁöÇÏ´Â ¹®Á¦°¡ ÇØ°áµÇ¾î¾ß ÇÑ´Ù. À̸¦ À§ÇÏ¿© º» ³í¹®¿¡¼´Â ºä °´Ã¼¿Í ¼Ò½º °´Ã¼µé°£ÀÇ ºä À¯µµ°ü·Ã¼ºÀÇ Ä«µð³Î¸®Æ¼ Á¦¾àÀ» ±â¹ÝÀ¸·Î ÇÏ´Â ½ÇÃ¼ÈµÈ °ø°£ ºäÀÇ º¯°æ ½Ã¸àƽÀ» Á¤ÀÇÇÑ´Ù. ±×¸®°í ½ÇÃ¼ÈµÈ °ø°£ ºäÀÇ ÀÏ°ü¼º À¯Áö¸¦ À§ÇÏ¿© ºä À¯µµ°ü·Ã ¼ºÀ» ÀÌ¿ëÇÑ Á¡ÁøÀû º¯°æ ¾Ë°í¸®ÁòÀ» Á¦½ÃÇÑ´Ù.
|
¿µ¹®³»¿ë (English Abstract) |
Because spatial views are usually derived by complex spatial queries, it is desirable to actually materialize views as opposed to being computed on demand for offering improved query performance. A main issue to spatial view materialization is that materialized views should be maintained in a consistent state with respect to the updates of a source object. In this paper, we define update semantics for materialized spatial views in terms of the cardinality constraints of view derivation relationships between spatial view objects and source objects. We also present incremental update algorithms for keeping materialized spatial views consistent by using view derivation relationships.
|
Å°¿öµå(Keyword) |
|
ÆÄÀÏ÷ºÎ |
PDF ´Ù¿î·Îµå
|