为解决现有微观交通仿真系统中, 由于采用基于链表的方法处理近邻查询导致的查询效率和可
扩展性不高的问题, 提出了一种基于B+ 树的近邻查询算法. 该算法借鉴了数据库中近邻查询算法 …

Agent oriented software development is generally motivated by the need of open and
adaptive systems development that continuously change and evolve to meet new …

With the increasing popularity of mobile communication devices loaded with positioning
capabilities (eg, GPS), there is growing demand for enjoying location-based services …

Due to the advancement of wireless internet and mobile positioning technology, the
application of location-based services (LBSs) has become popular for mobile users. Since …

According to the communication instability and poor localization accuracy in indoor wireless
sensor networks, a dynamic localization of mobile robot was proposed which dynamically …

The explosive growth of location-detection devices, such as GPS (Global Positioning
System), continuously increases users' privacy threat in location-based services (LBSs) …

近年来, 随着无线通信技术和定位技术的发展, 与基于位置服务(Location Based Services,
LBS) 有关的应用受到越来越多人的使用和重视. 一方面LBS 为人们的生活带来了很大的便利 …

The ubiquity of GPS enabled smartphones with Internet connectivity has resulted in the
widespread development of location-based services (LBSs). People use these services to …

In recent years, many of the location-based services provide information of a single type of
spatial objects, based on their spatial closeness to the query object. However, in real-life …

Knowledge discovery has been proven useful in many areas such as marketing, signal
processing and strategic military planning. Many approaches have been implemented to …