Browsing by Subject "Information systems"
Now showing items 1-20 of 30
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Affect recognition during active game playing based on posture skeleton data
(2013)The affective state of a player during game playing has a significant effect on the player's motivation and engagement. Recognising player's emotions during games can help game designers improve the user experience by ...
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Applying utility functions to adaptation planning for home automation applications
(2009)A pervasive computing environment typically comprises multiple embedded devices that may interact together and with mobile users. These users are part of the environment, and they experience it through a variety of devices ...
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Approximating optimal place sensor selection for structural observability in discrete event systems modeled by petri nets
(2007)In this paper, we study place sensor selection problems in Discrete Event Systems modeled by Petri nets with outputs (i.e., Petri nets with transition and place sensors). Our goal is to place a minimal number of sensors ...
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An architecture for highly available and dynamically upgradeable Web services
(2007)Developing distributed application architectures characterized by high availability has always been a challenging and important task both for the academic and the industrial communities. Additionally, the related requirement ...
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E-commerce engineering: A short vs long software process for the development of e-commerce applications
(Escola Superior de Tecnologia do Instituto Politecnico de Setubal, 2003)The immediacy in developing e-commerce applications, the quality of the services offered by these systems band the need for continuous evolution are primary issues that must be fully analysed and understood prior and during ...
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EEmergency health care information systems
(2011)In this paper we provide an overview of the way that information and communication technologies have been used for emergency healthcare support. The paper provides a literature review of case studies exploring information ...
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Emotional web-based design: the concepts of emotional experience and emotional expression
(2011)For many years people have been trying to measure differences between individuals. Over the course of time, a combination of developments in statistical know-how and the evolution of thought within psychology enabled the ...
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Estimating cognitive overload in mobile applications for decision support within the medical domain
(2012)Mobile applications have the potential to improve the quality of care received by patients from their primary care physicians (PCP). They can allow doctors to access the information they need when and where they need it ...
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Article
An evaluation of the java-based approaches to web database access
(2000)Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information systems and applications. In this paper, we ...
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Exploiting context in location-based information systems
(2010)The area of mobile location-based information systems enumerates many systems that enable their users to digitally annotate physical locations, providing in this way information to others about these locations, communicating ...
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Article
Factors that affect rescue time in urban search and rescue (USAR) operations
(2015)Recent structural collapses were studied in order to identify gaps in technology and to propose priorities in enhancing urban search and rescue (USAR) tools. The timelines of the events were examined with the scope of ...
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Article
A flexible personalization architecture for wireless Internet based on mobile agents
(2002)The explosive growth of the Internet has fuelled the creation of new and exciting information services. Most of the current technology has been designed for desktop and larger computers with medium to high bandwidth and ...
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General non-stationary models for short-term and long-term fading channels
(Institute of Electrical and Electronics Engineers Inc., 2000)This paper discusses the use of stochastic differential equations to model signal envelope variations over large areas, which are subject to long-term fading effects from the transmitter to local areas, followed by short-term ...
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How do infomediaries affect firms' information strategies, and how do they impact buyer and social welfare?
(Affiliation: Business and Public Administration, University of Cyprus, P.O. Box 20537, Nicosia, CY-1678, CyprusAffiliation: Carey Business School, Johns Hopkins University, 100 International Drive, Baltimore, MD 21202, United StatesAffiliation: Computer and Information Science, University of Pennsylvania, 504 Levine, 200 S. 33rd St, Philadelphia, PA 19104-6309, United StatesCorrespondence Address: Business and Public Administration, University of Cyprus, P.O. Box 20537, Nicosia, CY-1678, Cyprus, 2013)Product information websites have become ubiquitous. This article explores their impact on firm profitability, consumer surplus, and social welfare. Using an analytical model, we show that firms take advantage of such ...
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A hybrid peer-to-peer solution for context distribution in mobile and ubiquitous environments
(2009)With the proliferation of mobile devices such as PDAs and smart-phones, users get accustomed to using them in their daily life. This raises the expectations for user-customized and environment-aware services. However, ...
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Identifying context sources towards context-aware adapted web services
(2011)Context-awareness refers to the ability of services and applications to proactively adapt their behavior to the characteristics of the execution environment, such as weather conditions, location, etc., namely context. Web ...
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Implementing a generic component-based framework for tele-control applications
(Escola Superior de Tecnologia do Instituto Politecnico de Setubal, 2003)The rapid growth of distributed systems is one of the major facts in today's network-oriented community. The implementation of generic frameworks, consisting of reusable components that can be used for the development of ...
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Intelligent authoring tools for enhancing mass customization of e-services: The smarTag framework
(2009)Mass customization should be more than just configuring a specific component (hardware or software), but should be seen as the co-design of an entire system, including services, experiences and human satisfaction at the ...
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Intelligent parking assist
(2013)In this paper a new parking guiding and information system is described. The system assists the user to find the most suitable parking space based on his/her preferences and learned behavior. The system takes into account ...
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Is online product information availability driven by quality or differentiation?
(Affiliation: The Wharton School, University of Pennsylvania, Philadelphia, PA, United StatesCorrespondence Address: Markopoulos, P. M.The Wharton School, University of Pennsylvania, Philadelphia, PA, United Statesemail: markopou@wharton.upenn.edu, 2005)We present a game theoretic model for the availability of product information in Internet markets, where buyers can search for multiple products in parallel. We use a multiple-circle variation of Salop's "unit circle" model ...