In the past decade, positioning system-enabled devices such as smartphones have become
most prevalent. This functionality brings the increasing popularity of location-based services …

The fight against the COVID-19 pandemic has highlighted the importance and benefits of
recommending paths that reduce the exposure to and the spread of the SARS-CoV-2 …

Geo-social group queries, which return a social cohesive user group with a spatial
constraint, have receive significant research interests due to their promising applications for …

The construction and application of an indoor spatial data model is an important prerequisite
to meet the requirements of diversified indoor spatial location services. The traditional indoor …

During extreme weather conditions and natural disasters caused by meteorological
phenomena, it is imperative to enable navigation that minimizes the outdoor section of …

This article presents an approach to computing K shortest paths in large buildings with
complex horizontal and vertical connectivity. The building topology is obtained from Building …

Recently a lot of research works have focused on geo-social group queries for group-based
activity planning and scheduling in location-based social networks (LBSNs), which return a …

The objective of this entry is to review current spatial data models and mobile data
management techniques available for indoor spaces. In particular, the role of contextual and …

Résumé Le nombre de caméras vidéos déployées de nos jours tant dans des contextes
professionnels (eg, dans le cadre des systemes de vidéo surveillance urbaine) aussi bien …

In this paper, we discuss the most powerful techniques of tuning parallel/distributed
databases. As in engineering, database tuning becomes an inescapable part of big projects …