With advances in Location-Based Services(LBSs), the motivation for indoor LBSs is becoming stronger since the complexity of indoor spaces. Semantic location model is becoming a pervasive data model to face with this challenge. The hybrid semantic methods and theories are used into this model to define and manage semantic information and location information. In this paper, we analyze some seman...

Bringing geography closer to people’s apprehension of the world has long been a goal of GIScience. Contextual and pervasive computing together with low cost technologies for positioning have provided an ideal opportunity to realise such ambitions because they allow geographic representations of the world to be brought close to individuals’ engagement with it. Location based services (LBS) are a...

The attendance system is a digital record, this needed to evaluate employee data. During the corona virus pandemic, having some problems related physical distancing policies, it needs problem solving solve problem, namely by maximizing coordinates of each employee, which use Location Based Services (LBS) technology method and haversine formula that functions calculate distance with employee's p...