This paper presents semantic models, mechanisms and a service to locate mobile entities in
Smart and Intelligent Environments. The key feature of the service is the semantic integration …

Smartphone advances are leading to a class of Internet-based Indoor Navigation services.
IIN services rely on geolocation databases that store indoor models, comprising floor maps …

Much research has recently been devoted to developing approaches, techniques, and
technologies which assist people with navigation within buildings. Routing is an essential …

A variety of positioning systems have emerged for indoor localization which are based on
several system strategies, location methods, and technologies while using different signals …

Almost 2 million Japanese citizens use Navitime, a mobile phone-based navigation service
that incorporates various modes of transportation. User experiences reveal implications for …

Mobile devices such as personal digital assistants (PDAs) and mobile phones are in
widespread use already today and converging to mobile smart phones. They enable the …

In the absence of any global positioning infrastructure for indoor environments, research on
supporting human indoor localization and navigation trails decades behind research on …

Mobile web-services often use location information for service customisation. Most such
services operate on the user's physical/geographical location. Unfortunately, such common …

An expressive representation for location is an important component in many applications.
However, while many location-aware applications can reason about space at the level of …

Location-aware systems are typically deployed on a small scale and evaluated technically,
in terms of absolute errors. In this paper, the authors present their experience of deploying …