• Conference Object  

      ACCES: Offline accuracy estimation for fingerprint-based localization 

      Nikitin, A.; Laoudias, Christos; Chatzimilioudis, Georgios; Karras, P.; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2017)
      In this demonstration we present ACCES, a novel framework that enables quality assessment of arbitrary fingerprint maps and offline accuracy estimation for the task of fingerprint-based indoor localization. Our framework ...
    • Article  

      ACM International Conference Proceeding Series: Foreword 

      Zeinalipour-Yazdi, Constantinos D.; Lee, W. -C (2010)
    • Conference Object  

      The airplace indoor positioning platform for Android smartphones 

      Laoudias, Christos; Constantinou, George; Constantinides, Marios; Nicolaou, Silouanos; Zeinalipour-Yazdi, Constantinos D.; Panayiotou, Christos G. (2012)
      In this demonstration paper, we present an indoor positioning system developed for Android smartphones, coined Airplace. To infer the unknown user location we rely on ubiquitous WLANs and exploit Received Signal Strength ...
    • Article  

      Analysis of binding parameters of HIV-1 integrase inhibitors: Correlates of drug inhibition and resistance 

      Loizidou, Eriketi Z.; Zeinalipour-Yazdi, Constantinos D.; Christofides, Tasos C.; Kostrikis, Leontios G. (2009)
      This study undertook an exploratory data analysis of the binding parameters of HIV-1 integrase inhibitors. The study group involved inhibitors in preclinical development from the diketo acid, pyrroloquinoline and naphthyridine ...
    • Article  

      Analysis of binding parameters of HIV-1 integrase inhibitors: Correlates of drug inhibition and resistance 

      Loizidou, Eriketi Z.; Zeinalipour-Yazdi, Constantinos D.; Christofides, Tasos C.; Kostrikis, Leontios G. (2009)
      This study undertook an exploratory data analysis of the binding parameters of HIV-1 integrase inhibitors. The study group involved inhibitors in preclinical development from the diketo acid, pyrroloquinoline and naphthyridine ...
    • Article  

      Analysis of binding parameters of HIV-1 integrase inhibitors: Correlates of drug inhibition and resistance 

      Loizidou, Eriketi Z.; Zeinalipour-Yazdi, Constantinos D.; Christofides, Tasos C.; Kostrikis, Leondios G. (2009)
      This study undertook an exploratory data analysis of the binding parameters of HIV-1 integrase inhibitors. The study group involved inhibitors in preclinical development from the diketo acid, pyrroloquinoline and naphthyridine ...
    • Conference Object  

      Anyplace: A Crowdsourced Indoor Information Service 

      Georgiou, K.; Constambeys, T.; Laoudias, Christos; Petrou, L.; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2015)
      People do most of their activities, business, commerce, entertainment and socializing indoors. As all of these are increasingly aided by online services and indoor spaces are becoming bigger and more complex, there is a ...
    • Conference Object  

      CLODA: A crowdsourced linked open data architecture 

      Larkou, G.; Metochi, J.; Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D. (2013)
      In this paper we present our Crowdsourced Linked Open Data Architecture (CLODA), a first attempt to combine crowdsourcing, localization and location-based services to generate, collect, validate and relate real-world, ...
    • Article  

      CO adsorption on transition metal clusters: Trends from density functional theory 

      Zeinalipour-Yazdi, Constantinos D.; Cooksy, A. L.; Efstathiou, Angelos M. (2008)
      This work reports for the first time the trends for carbon monoxide (CO) chemisorption on transition metal clusters present in supported metal catalysts. In particular, the energetic, structural and infrared adsorption ...
    • Article  

    • Conference Object  

      Continuous all k-nearest-neighbor querying in smartphone networks 

      Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D.; Lee, W. -C; Dikaiakos, Marios D. (2012)
      Consider a centralized query operator that identifies to every smart phone user its k geographically nearest neighbors at all times, a query we coin Continuous All k-Nearest Neighbor (CAkNN). Such an operator could be ...
    • Conference Object  

      Crowdsourced indoor localization for diverse devices through radiomap fusion 

      Laoudias, Christos; Zeinalipour-Yazdi, Constantinos D.; Panayiotou, Christos G. (IEEE Computer Society, 2013)
      Crowdsourcing is an emerging field that allows to tackle difficult problems by soliciting contributions from common people, rather than trained professionals. In the post-pc era, where smartphones dominate the personal ...
    • Article  

      Crowdsourced trace similarity with smartphones 

      Zeinalipour-Yazdi, Constantinos D.; Laoudias, Christos; Costa, Constantinos; Vlachos, Michail; Andreou, Maria I.; Gunopulos, Dimitrios (2013)
      Smartphones are nowadays equipped with a number of sensors, such as WiFi, GPS, accelerometers, etc. This capability allows smartphone users to easily engage in crowdsourced computing services, which contribute to the ...
    • Article  

      Crowdsourcing emergency data in non-operational cellular networks 

      Chatzimilioudis, Georgios; Costa, Constantinos; Zeinalipour-Yazdi, Constantinos D.; Lee, W. -C (2017)
      In overloaded or partially broken (i.e., non-operational) cellular networks, it is imperative to enable communication within the crowd to allow the management of emergency and crisis situations. To this end, a variety of ...
    • Conference Object  

      Crowdsourcing for mobile data management 

      Chatzimilioudis, Georgios; Zeinalipour-Yazdi, Constantinos D. (2013)
      Crowdsourcing refers to a distributed problemsolving model in which a crowd of undefined size is engaged in the task of solving a complex problem through an open call. This novel problem-solving model found its way into ...
    • Article  

      Crowdsourcing with smartphones 

      Chatzimilioudis, Georgios; Konstantinidis, Andreas; Laoudias, Christos; Zeinalipour-Yazdi, Constantinos D. (2012)
      Smartphones can reveal crowdsourcing's full potential and let users transparently contribute to complex and novel problem solving. This emerging area is illustrated through a taxonomy that classifies the mobile crowdsourcing ...
    • Conference Object  

      Data acquisition in sensor networks with large memories 

      Zeinalipour-Yazdi, Constantinos D.; Neema, S.; Kalogeraki, Vana; Gunopulos, Dimitrios; Najjar, W. (2005)
      Sensor Networks will soon become ubiquitous, making them essential tools for monitoring the activity and evolution of our surrounding environment. However such environments are expected to generate vast amounts of temporal ...
    • Conference Object  

      Data-Driven Serendipity Navigation in Urban Places 

      Ge, X.; Daphalapurkar, A.; Shimpi, M.; Kohli, D.; Pelechrinis, K.; Chrysanthis, Panos K.; Zeinalipour-Yazdi, Constantinos D. (Institute of Electrical and Electronics Engineers Inc., 2017)
      With the proliferation of mobile computing and the ability to collect detailed data for the urban environment a number of systems that aim at providing Points of Interest (POIs) and tour recommendations have appeared. The ...
    • Conference Object  

      Demo: A programming cloud of smartphones 

      Konstantinidis, Andreas; Costa, Constantinos; Larkou, G.; Zeinalipour-Yazdi, Constantinos D. (2012)
      In this demonstration we present SmartLab 1, an exciting experimental testbed of approximately 40+ real Android Smartphones, plus emulated devices, deployed at the Department of Computer Science building at the University ...
    • Conference Object  

      Demo: Indoor geolocation on multi-sensor smartphones 

      Li, C. -L; Laoudias, Christos; Larkou, G.; Tsai, Y. -K; Zeinalipour-Yazdi, Constantinos D.; Panayiotou, Christos G. (2013)
      In this demo, we present an efficient hybrid indoor positioning solution that uses multi-sensory location-oriented observations, including WiFi, accelerometer, gyroscope and digital compass data, that are widely available ...