• Conference Object  

      An ActOn-based semantic information service for EGEE 

      Xing, Wei; Corcho, O.; Goble, C.; Dikaiakos, Marios D. (2007)
      We describe an information service that aggregates metadata available in hundreds of information sources of the EGEE Grid infrastructure. It uses an ontology-based information integration architecture (ActOn), which is ...
    • Article  

      Bagging multiple comparisons from microarray data 

      Politis, Dimitris Nicolas (2008)
      Bagging and subagging procedures are put forth with the purpose of improving the discovery power in the context of large-scale simultaneous hypothesis testing. Bagging and subagging significantly improve discovery power ...
    • Article  

      The evaluation of the Cultural Journeys in the Information Society environment as an educational aid 

      Fakas, Georgios John; Lamprianou, Iasonas; Andreou, Andreas S.; Pampaka, Maria; Schizas, Christos N. (2005)
      The Cultural Journeys in the Information Society is a dynamic hypermedia environment, which proposes the Electronic Roads as a meta-form for exploring cultural information that can form Cultural Journeys. The Electronic ...
    • Conference Object  

      A fuzzy cognitive map model of the repercussions of greek PSI on cypriot economy 

      Papaioannou, Maria; Neocleous, Costas K.; Papageorgiou, Charalambos; Schizas, Christos N. (2013)
      This paper introduces an alternative methodology for developing fuzzy cognitive maps (FCM) for modeling socio-politico-economic systems. The methodology is novel with respect to the proper identification, definition and ...
    • Article  

      Mobile user personalization with dynamic profiles: Time and activity 

      Panayiotou, Christoforos; Samaras, George S. (2006)
      Mobile clients present a new and more demanding breed of users. Solutions provided for the desktop users are often found inadequate to support this new breed of users. Personalization is such a solution. The moving user ...
    • Article  

      Multi-set DHT for range queries on dynamic data for grid information service 

      Da Costa, G.; Orlando, S.; Dikaiakos, Marios D. (2008)
      Scalability is a fundamental problem for information systems when the amount of managed data increases. Peer to Peer systems are usually used to solve scalability problems as centralized approaches do not scale without ...
    • Conference Object  

      Open source workflow systems in life sciences informatics 

      Achilleos, Kleo G.; Kannas, Christos C.; Nicolaou, Christos A.; Pattichis, Constantinos S.; Promponas, Vasilis J. (2012)
      A simple yet powerful programming tool enabling in silico experimentation, end-to-end data management through web services as well as use of grid and cloud processing power is scientific workflows. This technology is ...
    • Conference Object  

      Parallel computing using Java mobile agents 

      Panayiotou, Christoforos; Samaras, George S.; Pitoura, Evaggelia 1967-; Evripidou, Paraskevas (1999)
      We propose a mobile-agent parallel processing framework that uses multiple Java mobile agents, each one of which utilizes multithreading. A mobile agent can travel at any Web site to perform its tasks. We also introduce ...
    • Article  

      A pragmatic and pervasive methodology to web service discovery 

      Tamani, E.; Evripidou, Paraskevas (2006)
      Service-Oriented computing can be characterized as the motivating force for interoperable web applications. Businesses that embark on service-oriented technology are inclined to an effective interoperation with other ...
    • Conference Object  

      A realistic evaluation and comparison of indoor location technologies: Experiences and lessons learned 

      Lymberopoulos, D.; Liu, J.; Yang, X.; Choudhury, R. R.; Handziski, V.; Sen, S.; Lemic, F.; Busch, J.; Jiang, Z.; Zou, H.; Jiang, H.; Ashok, A.; Xu, C.; Ghose, A.; Ahmed, N.; Zhang, C.; Xiao, Z.; Wen, H.; Schmid, T.; Lee, D.; Klepal, M.; Beder, C.; Nikodem, M.; Szymczak, S.; Hoffmann, P.; Selavo, L.; Giustiniano, D.; Lenders, V.; Rea, M.; Marcaletti, A.; Laoudias, Christos; Zeinalipour-Yazdi, Constantinos D.; Tsai, Y. -K; Abrudan, T. E.; Markham, A.; Bestmann, A.; Reimann, R.; Li, L.; Zhao, C.; Adler, S.; Schmitt, S.; Lazik, P.; Rajagopal, N.; Rowe, A.; Dentamaro, V.; Colucci, D.; Ambrosini, P.; Ferraz, A. S.; Martins, L. Q. L.; Bello, P.; Alvino, A.; Sark, V.; Pirkl, G.; Hevesi, P. (Association for Computing Machinery, Inc, 2015)
      We present the results, experiences and lessons learned from comparing a diverse set of technical approaches to indoor localization during the 2014 Microsoft Indoor Localization Competition. 22 different solutions to indoor ...
    • Article  

      Towards the personalization of CAPTCHA mechanisms based on individual differences in cognitive processing 

      Belk, Marios; Germanakos, Panagiotis; Fidas, Christos A.; Holzinger, A.; Samaras, George S. (2013)
      This paper studies the effect of individual differences on user performance related to text-recognition CAPTCHA challenges. In particular, a text-recognition CAPTCHA mechanism was deployed in a three-month user study to ...