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Investigating users' interruptibility as an indicator of his/her attention status has been essential in recent pervasive computing where the users' attention resources get scarce against ever increasing amounts of information. In this paper, we address research problems related to the users' available interruptibility, their physical activities, and their current locations and situations. We propose...
This paper presents a study about estimating the emotions conveyed in clips of background music (BGM) to be used in an automatic slideshow creation system. The system we aimed to develop, automatically tags each given pieces of background music with the main emotion it conveys, in order to recommend the most suitable music clip to the slideshow creators, based on the main emotions of embedded photos...
Pervasive computing is increasing its impact in several areas related to health-care and well-being. Data collected from sensors in smart-homes are being processed to continuously recognize activities, change of habits, and critical events leading to innovative applications in monitoring patients with chronic diseases, elderly at risk of cognitive decline, and enable new opportunities for active aging...
The pervasive computing discipline has evolved substantially since its inception. A lot of progress has been made in scaling pervasive computing, which has led to new, societal-scale capabilities such as mobile crowdsensing and the Internet of Things. Pervasive computing applications have also expanded from smart appliances and smart environments in the early days to systems of much broader scope...
Content sharing and online collaboration have become extremely popular in recent years, in particular with the pervasiveness of cloud storage services such as Dropbox. However, these popular cloud services are not accessible when users are offline and do not take the geographical location of the users into account when distributing content. Despite years of research in opportunistic content dissemination,...
With the advent of powerful and inexpensive sensing technology the ability to study human behaviour and activity at large scale and for long periods is becoming a firm reality. Wearables and mobile devices further allow the continuous physical colocation with the users. This reality generates new challenges but also opens the door to potentially innovative ways of understanding our daily lives. In...
Under a situation where network infrastructures are interrupted by a devastating natural disaster, few communication channels left for survivors to request help are proximity-based communications on their mobile devices, for example Bluetooth and Wi-Fi direct. Since these technologies have a limited transmission range, rescue teams need to travel over a disaster area and physically come close to survivors...
Food waste has received little attention in pervasive computing. In this paper we discuss previous work which stresses the need for understanding how intelligent technology could prevent food waste in households. We present EUPHORIA, a community based social system that can track users' food waste potential and redirect behavior, through social influence strategies, towards more sustainable food related...
Although mobile smart devices are becoming more and more resourceful, they cannot compete with higher-end devices in terms of computational capabilities. Therefore, it is generally advantageous to offload computationally intensive tasks. While cloud-based offloading is popular, it has a non-negligible impact on the energy consumption of mobile devices. Our solution is a novel approach based on locally...
The aim of pervasive system technology is to support the user in managing and interacting with devices in the environment around him/her. By contrast social networking systems are aimed at supporting communication and interactions between people. The major objective of the SOCIETIES project is to unite these two technologies in a seamless manner to create a platform that enables the user to interact...
A common problem in large urban cities is the huge number of retail options available. In response, a number of shopping assistance applications have been created for mobile phones. However, these applications mostly allow users to know where stores are or find promotions on specific items. What is missing is a system that factors in a user's shopping preferences and automatically tells them which...
This position paper introduces and discusses Social Object Labels, small pervasive displays for ubiquitous social object annotation. Taking an HCI perspective, it relates user experience problems with ubiquitous annotation described in the literature to a lack of dynamic information available to users and argues that small pervasive displays can address these problems by providing dynamic situated...
A smartphone is a personal device and as such usually hosts multiple public user identities such as a phone number, email address, and Facebook account. As each smartphone has a unique Bluetooth MAC address, Bluetooth discovery can be used in combination with the user registration to a server with a Facebook account. This makes it possible to identify a nearby smartphone related to a given Facebook...
In this paper we present a first prototype of the EasyHarvest framework, which aims to simplify the deployment and controlled execution of large-scale sensing applications on smartphones. On the one hand, application owners submit to a server sensing tasks for distribution on smartphones, and collect the data produced by them in a simple manner. On the other hand, smartphone owners control the execution...
Mobile-enabled systems make use of mobile devices, RFID tags, sensor nodes, and other computing-enabled mobile devices to gather contextual data from users and the surrounding changing environment. Such systems produce computational data that can be stored and used in the field, shared between mobile and resident devices, and potentially uploaded to local servers or the cloud — a distributed, heterogeneous,...
The fast advance in networked and ubiquitous computing leads to remarkable innovation also in data storage technologies. The classical local/remote storage dichotomy has been enriched due the introduction of new hardware and networking technologies such as plenty of different kinds of solid-state storage devices (e.g., USB pen drives) as well as several advanced distributed serverless storage facilities...
In this paper, we address a scalable key management protocol for ad hoc networks, this protocol is based on new clustering technique. The network is partitioned into communities or clusters based on affinity relationships between nodes. To ensure trusted communications between nodes we proposed two types of keys generated by each clusterhead. The protocol is adaptive according to the limitation of...
Location based services like finding nearest restaurants or finding friends have increasingly became more common, especially to mobile users. Nevertheless, misuse of location information could represent some threats to users' privacy. Great effort has been placed to propose new techniques which try to deal with these threats, but in most of these cases, techniques were not tested in real environments...
Over the past 20 years, a lot of effort has gone into making the vision of ubiquitous computing a reality. A major focus of this effort has been on the understanding of human activity as input to enable the design and implementation of context-aware applications. Context-awareness is a vital enabling technology for ubiquitous virtual reality applications. However, it is only recently that we have...
Computing technology is radically changing the manner in which we work and communicate with computers. ubiquitous virtual reality (U-VR) has been researched in order to apply the concept of virtual reality and its technology into ubiquitous computing. In this paper, we analyze past research on ubiquitous virtual reality and find future research direction.
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