A risk-aware motion control system is presented so that care robots can conduct human-like
behaviors by changing the behavior patterns concerning environmental risk. First, a method …

Positioning mobile terminals, persons and assets inside buildings opens several new
possibilities for service providers and their users. Many different indoor positioning systems …

Location models require a well-defined representation of spatial connectivity and
hierarchical relationship between different spatial concepts; and are fundamental for …

Location is becoming kind of context fundamental information in ubiquitous computing
environment. Location aware applications require a well-formed location model. Current …

基于Ontology的LBS应用研究-[维普官方网站]-www.cqvip.com-维普网  我的维普 购物车 充值
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Abstract The interplay between Geographical Information System (GIS) and Computer
Science has continued to yield improved methods of carrying out many surveying-related …

Indoor objects' accessible area generation considering distance constraints is of important
realistic significance for spatial analysis. To the best of our knowledge, few studies have …

随着无线网络的快速发展, 相应的无线应用服务越来越多, 位置相关信息服务(LDISs)
就是其中典型的例子. 由于用户查询位置信息的模糊性, 该文运用数学方法, 在D—Tree …

Since the early days of computer software, a vast number of modeling languages and
techniques for software systems and analysis of such systems has been designed and used …