Incorporating domain knowledge in spatial clustering
Incorporating domain knowledge in spatial clustering
批准号:
355996-2008
负责人:
Wang, Xin
金额:
$1.09万
依托单位:
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2012
资助国家:
加拿大
项目状态:
已结题
起止时间:
2012-01-01 至 2013-12-31
中文摘要
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英文摘要
Spatial clustering is an important topic in knowledge discovery research. It is to partition similar data objects into the same group (called cluster) based on their distance, density and reachability in space. It can be used to find natural clusters, to identify hot spots, and to partition an area based on utility. Ignoring domain knowledge and users' requirements during the spatial clustering can lead to useless and distorted clustering results. However, most existing clustering methods do not consider them during the clustering process, which prevents users from precisely describing their goals and understanding the results. Although some methods consider constraints, they only consider sharply limited knowledge concerning the domain and the users.
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