The boom in the capabilities and features of mobile devices, like smartphones, tablets, and
wearables, combined with the ubiquitous and affordable Internet access and the advances …

Navigation services communicate optimal routes to users by providing sequences of
instructions for these routes. Each single instruction guides the wayfinder from one decision …

Common queries regarding information processing in ubiquitous computing are based on
the location of physical objects. No matter whether it is the next printer, next restaurant, or a …

In this paper we present a new system that assists blind users in orienting themselves in
indoor environments. We developed a sensor module that can be handled like a flashlight …

People navigating in unfamiliar environments rely on wayfinding directions, either given by
people familiar with the place, or given by maps or wayfinding services. The essential role of …

Augmented Reality (AR) is becoming mobile. Mobile devices have many constraints but also
rich new features that traditional desktop computers do not have. There are several survey …

In this paper, we address the data management aspect of large-scale pervasive computing
systems. We aim at building an infrastructure that simultaneously supports many kinds of …

Mobile augmented reality (MAR) has exploded in popularity on mobile devices in various
fields. However, building a MAR application from scratch on mobile devices is complicated …

In this survey, we discuss 29 software infrastructures and frameworks which support the
construction of distributed interactive systems. They range from small projects with one …

Mainstream location-based games (LBGs) highlight three foundations-exercise, exploration,
and social interaction-which were hugely disrupted by the COVID-19 pandemic. This genre …