Recent advances in wireless sensor networks for ubiquitous health and activity monitoring
systems have triggered the possibility of addressing human needs in smart environments …

Individuals spend a majority of their time in their home or workplace and for many, these
places are our sanctuaries. As society and technology advance there is a growing interest in …

In mobile business (m-business), a client sends its exact locations to service providers. This
data may involve sensitive and private personal information. As a result, misuse of location …

In location-based service (LBS), private information retrieval (PIR) is an efficient strategy
used for preserving personal privacy. However, schemes with traditional strategy that …

Location services have become popular over the last years due to the global adoption of
smartphones and the worldwide availability of the Global Positioning System (GPS) and …

Many different smartphone applications are constantly tracking users, including individual
locations and full trajectories. This information can contain sensitive information about the …

Location services have become popular over the last years due to the global adoption of
smartphones and the worldwide availability of the Global Positioning System (GPS) and …

针对基于位置服务隐私保护中以索引为主的隐私信息检索策略在处理时间和用户属性保护方面
的不足, 提出了一种属性基隐私信息检索的位置隐私保护方法. 该方法基于属性基加密算法结合 …

Location based information systems have shown a sustained growth trend in the last
decade, thanks to the appearance of smartphones, capable of locating a user in real time …

Location privacy techniques try to protect user's information by altering, aggregating or
generalizing it. Geographical codification techniques, like Geohash, can be used to protect …