%0 Journal Article
%T Survey on location-based services<br>基于位置服务的研究综述
%A TANG Ke-ping
%A XU Fang-heng
%A SHEN Cai-liang
%A <br>唐科萍
%A 许方恒
%A 沈才樑
%J 计算机应用研究
%D 2012
%I 
%X Location-based services means that the mobile terminals use all sorts of positioning technology for the current position information, then transfer these information to service providers through the wireless communication, and service provider provides the personalized service according to the users' location information and context information. This paper classified the location-based services according to different aspects of service, then analyzed the key technologies, including the positioning technologies, information transmission technologies and the position indexing technologies, then summarized the typical application of service based on position information, and finally pointed out the existing problems.
%K location-based services（LBS）
%K positioning technology
%K indexing technology
%K moving objects
%K privacy preservation<br>基于位置的服务
%K 定位技术
%K 索引技术
%K 移动对象
%K 隐私保护
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=8D8174D12B4331BFFA43B4BD87E18CB4&yid=99E9153A83D4CB11&vid=771469D9D58C34FF&iid=59906B3B2830C2C5&sid=B3034A7B8254EDD4&eid=97329015592792FB&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=47