Living in the Information Age allows almost everyone have access to a large amount of
information and options to choose from in order to fulfill their needs. In many cases, the …

The widespread proliferation of location-acquisition techniques and GPS-embedded mobile
devices have resulted in the generation of geo-tagged data at unprecedented scale and …

Social networking users have the ability to check into Points of Interest (POIs) and associate
location with their posts or tweets, leading to the creation of Geo-Social Networks (GeoSNs) …

The unprecedented rise of social media platforms, combined with location-aware
technologies, has led to continuously producing a significant amount of geo-social data that …

The rapid growth of GPS-enabled mobile devices has popularized many location-based
applications. Spatial keyword search which finds objects of interest by considering both …

With the growing variety of entities that have their presence on the web, retrieving relevant
entities for various user requirements becomes an important problem. The area of Similarity …

A reverse nearest neighbour (RNN) query returns every object for which the query is its
nearest neighbour. Recently, a new useful variant of the RNN query has emerged, called …

Decision makers often find themselves in situations where they need to consider time-
varying values for multi-criteria decision-making. Skyline queries are one of the most widely …

The proliferation of the Web 2.0 and the ubiquitousness of social media yield a huge flood of
heterogenous data that is voluntarily published and shared by billions of individual users all …

The unprecedented rise of social media platforms, combined with location-aware
technologies, has led to continuously producing a significant amount of geo-social data that …