在线社交网络中的位置服务研究进展与趋势

Present situation and trend of research of location-based service on online social networks

在基于位置的社交网络中,用户通过发布嵌入了位置数据的媒体信息获得服务,如位置或好友推荐、旅行路线推荐等。用户和位置都是网络的主体,位置作为桥梁将用户的虚拟网络世界与现实世界联系起来。综述了基于位置的在线社交网络中的位置信息获取、用户识别、位置识别、信息的共享与传播及位置隐私的相关研究,预测了基于位置的在线社交网络未来的研究趋势。

In location-based social networks, people obtain services, such as friends or locations recommendation, travel routes recommendation, and so on, according to publish location-embedded media. Both of people and locations are objects of location-based social network and locations bring social networks back to reality, bridging the gap between the physical world and online social networking services. This paper surveyed the researches on locations acquisition, users understanding, locations understanding, information sharing and disseminating and locations privacy in location-based social network, and provi-ded a summary for future research issues.