Background: Distracted walking is a major cause of pedestrian fatalities. Along with the expansion and popularity of mobile phones, their impacts on pedestrian safety, especially when crossing urban intersections have attracted a lot of attention. The purpose of this study is to evaluate the effects of mobile-phone use on pedestrians’ crossing behavior when passing signalized intersections. Ma...

In this paper we present a mobile recommendation and planning system, named PSiS Mobile. It is designed to provide effective support during a tourist visit through context-aware information and recommendations about points of interest, exploiting tourist preferences and context. Designing a tool like this brings several challenges that must be addressed. We discuss how these challenges have bee...

Due to the increasing usage of small and low footprinted devices like mobile phones as clients of mobile information systems a new problem arises: “How to determine the relevance of updates for a large number of mobile clients?” In this paper we present an indexing scheme that represents conjunctive queries posed by the mobile clients in a trie. So, IDs of the clients are referenced by their qu...

D ata rates offered by mobile networks are increasing, as are the capabilities of mobile devices. With this, mobile multimedia services are getting wider distribution [1]. Traditional linear mobile TV services, where the viewer has to watch a scheduled TV program at the offered time, were initially dominating but other streaming services like Video on Demand, User-Generated Content (USG) servic...

Mobile active computational entities introduce peculiar problems in the coordination of distributed application components. The paper surveys several coordination models for mobile agent applications and outlines the advantages of uncoupled coordination models based on reactive blackboards. On this base, the paper presents the design and the implementation of the MARS system, a coordination too...

With an increasing number of mobile devices like smartphones and tablets, their relevance to users and growing number of available applications, also their field of application widens. For the software quality of mobile applications, the application life cycle the process-related states and state transitions plays an important role. Today’s mobile platforms, like Android, iOS and Windows Phone,...

background: attendance management is one of the most important issues in the educational institutions. the traditional method for attendance recording is manually recording by professors in the school or university which is associated with several problems. we proposed the design and utilization of an electronic application for students’ attendance recording via smartphones and pcs. methods: th...

Mobile work including mobile devices and wireless links comprehends a row of problems concerning security issues like availability, conndentiality, and accountability. Mobile processed information in database systems are distributed, heterogeneous , and replicated. They are endangered by various threats based on user's mobility and restricted mobile resources of portable devices and wireless li...

Mobile phone use is banned or regulated in some circumstances. Despite recognized safety concerns and legal regulations, some people do not refrain from using mobile phones. Such problematic mobile phone use can be considered to be an addiction-like behavior. To find the potential predictors, we examined the correlation between problematic mobile phone use and personality traits reported in add...

Mobile device usage highly increases in last years. Most people use mobile devices to do their computer works like checking e-mail, following social media, surfing on the Web, etc. Also mobile devices let one install new applications on one’s devices. Two huge mobile operating systems–Android and iOS–have mobile application markets to offer new applications to users. There are many application ...