Browsing by Author "Chrysanthis, Panos K."

Now showing items 1-20 of 32

    • Conference Object  

      Adjourn state concurrency control avoiding time-out problems in atomic commit protocols 

      Obermeier, S.; Böttcher, S.; Hett, M.; Chrysanthis, Panos K.; Samaras, George S. (2008)
      The use of atomic commit protocols in mobile ad-hoc networks involves difficulties in setting up reasonable timeouts for aborting a pending distributed transaction. This paper presents the non-blocking Adjourn State, a ...
    • Article  

      Blocking reduction for distributed transaction processing within MANETs 

      Obermeier, S.; Böttcher, S.; Hett, M.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      Atomic commit protocols for distributed transactions in mobile ad-hoc networks have to consider message delays and network failures. We consider ad-hoc network scenarios, in which participants hold embedded databases and ...
    • Article  

      CFP taxonomy of the approaches for dynamic web content acceleration 

      Papastavrou, Stavros; Samaras, George S.; Evripidou, Paraskevas; Chrysanthis, Panos K. (2005)
      Approximately a decade since it was first introduced, dynamic Web content technology has been gaining in popularity over static means for content dissemination. Its rising demand for computational and network resources has ...
    • Article  

      Conference general chairs' welcome message 

      Chrysanthis, Panos K.; Samaras, George S. (2005)
    • 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 ...
    • Article  

      A decade of dynamic web content: A structured survey on past and present practices and future trends 

      Papastavrou, Stavros; Samaras, George S.; Evripidou, Paraskevas; Chrysanthis, Panos K. (2006)
      The shift from static to dynamic Web content has been dramatic. Dynamic Web content is facilitated by specialized cooperating component systems better known as content middlewares. Unlike static content, the generation and ...
    • Book Chapter  

      Distributed Databases and Transaction Processing 

      Pitoura, Evaggelia 1967-; Chrysanthis, Panos K.; Samaras, George S. (John Wiley and Sons, 2012)
    • Book Chapter  

      Dynamically generated web content: Research and technology practices 

      Papastavrou, Stavros; Samaras, George S.; Evripidou, Paraskevas; Chrysanthis, Panos K. (IGI Global, 2006)
      This chapter takes a tutorial approach to present the Web-related technologies and content middleware that attempt to accelerate the generation and optimize the delivery of dynamic content. It covers the historical aspects ...
    • Conference Object  

      EPUI: Experimental Platform for Urban Informatics 

      Ge, Xiaoyu; Chrysanthis, Panos K.; Pelechrinis, Konstantinos; Zeinalipour-Yazti, Demetrios (Association for Computing Machinery, 2018)
      Recent studies in urban navigation have revealed new demands (e.g., diversity, safety, happiness, serendipity) for the navigation services that are critical to providing useful recommendations to travelers. This exposes ...
    • Conference Object  

      ETC: Energy-driven tree construction in wireless sensor networks 

      Andreou, Panayiotis G.; Pamboris, Andreas; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      Continuous queries in Wireless Sensor Networks (WSNs) are founded on the premise of Query Routing Tree structures (denoted as T), which provide sensors with a path to the querying node. Predominant data acquisition systems ...
    • Article  

      An evaluation of the java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (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 ...
    • Article  

      An evaluation of the Java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (2001)
      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 ...
    • Article  

      Exploring content dependencies to better balance performance and freshness in web database applications 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S. (2012)
      In this paper, we present a novel approach for materializing dynamic web pages by exploiting content dependencies and user access patterns. We introduce two new semantic-based data freshness metrics and show that our ...
    • Article  

      Fine-grained parallelism in dynamic Web content generation: The parse and dispatch approach 

      Papastavrou, Stavros; Samaras, George S.; Evripidou, Paraskevas; Chrysanthis, Panos K. (2003)
      Dynamic Web content is gaining in popularity over traditional static HTML as the means of providing Web users with personalized and dynamic information. To enable dynamic content, various technologies have been developed ...
    • Conference Object  

      FSort: External sorting on flash-based sensor devices 

      Andreou, Panayiotis G.; Spanos, O.; Zeinalipour-Yazdi, Constantinos D.; Samaras, George S.; Chrysanthis, Panos K. (2009)
      In long-term deployments of Wireless Sensor Networks, it is often more efficient to store sensor readings locally at each device and transmit those readings to the user only when requested (i.e., in response to a user ...
    • Article  

      In-network data acquisition and replication in mobile sensor networks 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Chrysanthis, Panos K.; Samaras, George S. (2011)
      This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting and aggregating spatiooral events of interest and to store these ...
    • Article  

      Intelligent search in social communities of smartphone users 

      Konstantinidis, Andreas; Zeinalipour-Yazdi, Constantinos D.; Andreou, Panayiotis G.; Samaras, George S.; Chrysanthis, Panos K. (2013)
      Social communities of smartphone users have recently gained significant interest due to their wide social penetration. The applications in this domain, however, currently rely on centralized or cloud-like architectures for ...
    • Article  

      IoT Data Prefetching in Indoor Navigation SOAs 

      Konstantinidis, Andreas; Irakleous, Panagiotis; Georgiou, Zacharias; Zeinalipour-Yazti, Demetrios; Chrysanthis, Panos K. (2018)
      Internet-based Indoor Navigation Service-Oriented Architectures (IIN-SOA) organize signals collected by IoT-based devices to enable a wide range of novel applications indoors, where people spend 80--90% of their time. In ...
    • Conference Object  

      KSpot: Effectively monitoring the k most important events in a wireless sensor network 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Vassiliadou, M.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      This demo presents a graphical user interface and ranking system, coined KSpot, for effectively monitoring the K highest-ranked answers to a query Q in a Wireless Sensor Network. KSpot deploys state-of-the-art distributed ...
    • Conference Object  

      The micropulse framework for adaptive waking windows in sensor networks 

      Zeinalipour-Yazdi, Constantinos D.; Andreou, Panayiotis G.; Chrysanthis, Panos K.; Samaras, George S.; Pitsillides, Andreas (2007)
      In this paper we present MicroPulse, a novel framework for adapting the waking window of a sensing device S based on the data workload incurred by a query Q. Assuming a typical tree-based aggregation scenario, the waking ...