Browsing by Subject "Websites"

Now showing items 21-36 of 36

    • Article  

      Net-console: A web-based development environment for MPI programs 

      Papagapiou, Andreas; Evripidou, Paraskevas; Samaras, George S. (1999)
      In this paper we describe Net-console, a Web-based environment for the development of Message Passing Interface (MPI) programs. Using Net-console the user is able to write, execute, debug and evaluate the performance of ...
    • Article  

      Net-console: Web-based development environment for parallel programs 

      Evripidou, Paraskevas; Samaras, George S.; Spyrou, Christiana; Papagapiou, Andreas (2001)
      Net-Console is an integrated program development environment that can be used as a front-end for High Performance Computing (HPC) sites. It consist of an MPI-aware editor, an execution console, a debugger, monitoring tools ...
    • Conference Object  

      New fundamental profiling characteristics for designing adaptive web-based educational systems 

      Germanakos, Panagiotis; Tsianos, Nikos; Mourlas, Constantinos; Samaras, George S. (2005)
      There is a growing body of empirical evidence to suggest that users tend to make poor decisions in traditional educational systems as the navigational freedom given to the user leads to comprehension and orientation ...
    • Article  

      On the properties of spam-advertised URL addresses 

      Georgiou, E.; Dikaiakos, Marios D.; Stassopoulou, Athena (2008)
      The main purpose of most spam e-mail messages distributed on Internet today is to entice recipients into visiting World Wide Web pages that are advertised through spam. In essence, e-mail spamming is a campaign that ...
    • Conference Object  

      Online social network evolution: Revisiting the Twitter graph 

      Efstathiades, Hariton; Antoniades, Demetris; Pallis, George C.; Dikaiakos, Marios D.; Szlavik, Z.; Sips, R. -J (Institute of Electrical and Electronics Engineers Inc., 2016)
      In 2010 the popular paper by Kwak et al. [11] presented the first comprehensive study of Twitter as it appeared in 2009, using most of the Twitter network at the time. Since then, Twitter's popularity and usage has exploded, ...
    • Article  

      Performance vs. freshness in web database applications 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S. (2014)
      In this work, we present a novel approach for the efficient materialization of dynamic web pages in e-commerce applications such as an online retail store with millions of items, hundreds of HTTP requests per second and ...
    • Conference Object  

      The PersonaCheck System for Personalizing M-Commerce Checkout Processes 

      Constantinides, Anthony G.; Belk, Marios; Germanakos, Panagiotis; Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      This demonstration paper presents a Web-based adaptive interactive system for personalizing the checkout process of M-Commerce Web environments, coined Persona Check. In particular, the system personalizes the visual and ...
    • Conference Object  

      Pricing price information in E-commerce [Extended Abstract] 

      Markopoulos, Panos M.; Ungar, Lyle H. (Affiliation: Computer and Information Sci. Dept., University of Pennsylvania, Pittsburgh, PA, United StatesCorrespondence Address: Markopoulos, P.M.Computer and Information Sci. Dept., University of Pennsylvania, Pittsburgh, PA, United Statesemail: markopou@unagi.cis.upenn.edu, 2001)
      Shopbots and Internet sites that help users locate the best price for a product are changing the way people shop by providing valuable information on goods and services. This paper presents a first attempt to measure the ...
    • Article  

      A probabilistic reasoning approach for discovering web crawler sessions 

      Stassopoulou, Athena; Dikaiakos, Marios D. (2007)
      In this paper we introduce a probabilistic-reasoning approach to detect Web robots (crawlers) from human visitors of Web sites. Our approach employs a Naive Bayes network to classify the HTTP sessions of a Web-server access ...
    • Article  

      Product Information Websites: Are They Good for Consumers? 

      Markopoulos, Panos M.; Aron, Ravi; Ungar, Lyle H. (2016)
      Product information websites have become ubiquitous in supporting B2C E-Commerce. This study explores their impact on firm profitability, consumer surplus, and social welfare. Using an analytical model, we show that firms ...
    • Conference Object  

      Proposing Web design enhancements based on specific cognitive factors: An empirical evaluation 

      Germanakos, Panagiotis; Tsianos, Nikos; Lekkas, Zacharias; Mourlas, Constantinos; Belk, Marios; Samaras, George S. (2009)
      The research that is described in this paper focuses on incorporating theories of individual differences in information processing within the context of generic Hypertext and Hypermedia Environments. The main objective of ...
    • Conference Object  

      Reflecting user privacy preferences in context-aware web services 

      Kapitsaki, Georgia M. (IEEE Computer Society, 2013)
      "Personalization or privacy control?" is a question one frequently asks himself/herself nowadays with the wide spread of service provision for users on the move. The right to protect intimacy or the right of privacy is a ...
    • Conference Object  

      Socially-Aware Multimedia Content Delivery for the Cloud 

      Kilanioti, Irene; Papadopoulos, George Angelos (Institute of Electrical and Electronics Engineers Inc., 2015)
      Most Content Delivery Networks (CDNs) are operated as a Software as a Service (SaaS): Many cloud providers build their custom CDNs to benefit from content users, as well as reduce demand on their own telecommunications ...
    • Conference Object  

      A socio-aware decentralized topology construction protocol 

      Antaris, Stefanos; Stasi, Despina; Hogqvist, M.; Pallis, George C.; Dikaiakos, Marios D. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Decentralized Online Social Networks (DOSNs) offer an alternative to the usual centralized solutions, that promises to preserve more control of a user's data to the user herself. An important aspect in the design of DOSNs ...
    • Conference Object  

      Supporting adaptive interactive systems with semantic markups and human factors 

      Belk, Marios; Germanakos, Panagiotis; Papatheocharous, Efi; Constantinides, Marios; Samaras, George S. (2012)
      This paper focuses on adapting Web environments based on cognitive factors of users. In particular, a semantic Web-based adaptation framework is proposed that enables authors to enrich Web content with semantic markups, ...
    • Article  

      Type checking purpose-based privacy policies in the π-calculus 

      Kokkinofta, E.; Philippou, Anna (2016)
      In this paper we propose a formal framework for studying privacy preserving policies based on the notion of purpose. Our framework employs the π-calculus with groups accompanied by a type system for capturing privacy ...