A moving kNN query continuously reports the k results (restaurants) nearest to a moving
query point (tourist). In addition to the query results, a service provider often returns to a …

A moving kNN query continuously reports the k nearest neighbors of a moving query point.
In addition to the query result, a service provider that evaluates moving queries often returns …

A moving range query continuously reports the query result (eg, restaurants) that are within
radius r from a moving query point (eg, moving tourist). To minimize the communication cost …

State-of-the-art location-based services (LBSs) involve data owners, requesting clients, and
service providers. As LBSs become new business opportunities, there is an increasing …

With the prevalence of location-based services and geo-functioned devices, the trend of
spatial data outsourcing is rising. In the data outsourcing scenario, result integrity must be …

In outsourced spatial databases, the LBS provides query services to the clients on behalf of
the data owner. However, the LBS provider is not always trustworthy and it may send …

The popularity of mobile social networking services (mSNSs) is propelling more and more
businesses, especially those in retailing and marketing, into mobile and location-based …

Multiple user decision making is important in today's location-based service scenarios.
Existing query services such as kNN and Skyline queries only consider single user and do …

Recently, the widespread usage of smart phones and emergence of location based services
(LBSs) have raised the necessity of data outsourcing paradigm. In this paradigm, a service …

With the popularity of location-based services and the abundant usage of smart phones and
GPS-enabled devices, the necessity of outsourcing spatial data has grown rapidly over the …