Incremental Mining of Co-locations from Spatial Database

被引:0
作者
Lu, Junli [1 ,2 ]
Wang, Lizhen [1 ]
Xiao, Qing [1 ]
Lu, Junli [1 ,2 ]
Shang, Yu [2 ]
机构
[1] Yunnan Univ, Dept Comp Sci & Engn, Kunming, Peoples R China
[2] Yunnan Minzu Univ, Dept Math & Comp Sci, Kunming, Peoples R China
来源
2015 12TH INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS AND KNOWLEDGE DISCOVERY (FSKD) | 2015年
关键词
incremental mining; co-locations; changed neighborhood; changed table instance; DISCOVERY; PATTERNS;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
spatial co-locations represent the subsets of spatial features which are frequently located together in geographic space. This paper presents a new problem of finding co-locations on spatial databases which are constantly changed with new data and disappeared data. Discovering co-locations is a complicated process when a large spatial database is changed because new and disappeared data will produce and take away spatial relationships with existing data as well as themselves. The changed relationships will alter the sets of prevalent co-locations with invalidating existing co-locations and producing new co-locations. So efficient incremental mining of co-locations is very indispensable and challenging. This paper presents an algorithm and pruning strategy for efficiently incremental mining on spatial datasets and executes extensive experimental evaluation on "real+synthetic" data sets.
引用
收藏
页码:612 / 617
页数:6
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