Traffic flow prediction based on vehicle trajectories collected from the installed GPS devices
is critically important to Intelligent Transportation Systems (ITS). One limitation of existing …

Origin-destination (OD) matrices are used widely in transportation and logistics to record the
travel cost (eg, travel speed or greenhouse gas emission) between pairs of OD regions …

With the broad adoption of mobile devices, notably smartphones, keyword-based search for
content has seen increasing use by mobile users, who are often interested in content related …

Multimodal named entity extraction is an emerging task which uses both textual and visual
information to detect named entities and identify their entity types. The existing efforts are …

Shortest path query is a fundamental operation in various location-based services (LBS) and
most of them process queries on the server-side. As the business expands, scalability …

As a common technology in social network, clustering has attracted lots of research interest
due to its high performance, and many clustering methods have been presented. The most …

For thousands of years, people have been innovating new technologies to make their travel
faster, the latest of which is GPS technology that is used by millions of drivers every day. The …

On time-dependent graphs, fastest path query is an important problem and has been well
studied. It focuses on minimizing the total travel time (waiting time+ on-road time) but does …

With the development of mobile Internet, many location-based services have accumulated a
large amount of data that can be used for point-of-interest (POI) recommendation. However …

Route search and planning have been playing an important role in spatial data
management and location-based social services. In this light, we conduct a survey on …