• Article  

      Categorized sliding window in streaming data management systems 

      Papas, Marios; Larriba-Pey, J. -L; Trancoso, Pedro (2008)
      For many applications, data is collected at very large rates from various sources. Applications that produce results from this data have a requirement for very efficient processing in order to achieve timely decisions. An ...
    • 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 ...
    • Article  

      Data storage applications based on LiCoO2 thin films grown on Al2O3 and Si substrates 

      Svoukis, E.; Mihailescu, C. N.; Mai, V. H.; Schneegans, O.; Breza, K.; Lioutas, C.; Giapintzakis, John (2015)
      In this study, LiCoO2 thin films were investigated for data storage applications based on scanning probe mediated approaches. LiCoO2, compared to other materials proposed for scanning probe mediated nanoscale patterning, ...
    • Article  

      A Family of Resource-Bound Real-Time Process Algebras 

      Lee, I.; Philippou, Anna; Sokolsky, O. (2006)
      The Algebra of Communicating Shared Resources (ACSR) is a timed process algebra which extends classical process algebras with the notion of a resource. It takes the view that the timing behavior of a real-time system depends ...
    • Article  

      Hardware budget and runtime system for data-driven multithreaded chip multiprocessor 

      Stavrou, Kyriakos; Trancoso, Pedro; Evripidou, Paraskevas (2006)
      The Data-Driven Multithreading Chip Multiprocessor (DDM-CMP) architecture has been shown to overcome the power and memory wall limitations by combining two key technologies: the use of the Data-Driven Multithreading (DDM) ...
    • Conference Object  

      Implicit-storing and redundant-encoding-of-attribute information in error-correction-codes 

      Sazeides, Yiannakis; Özer, E.; Kershaw, D.; Nikolaou, Panagiota; Kleanthous, Marios M.; Abella, J. (2013)
      This paper proposes implicit-storing to extend the logical capacity of a memory array without increasing its physical capacity by leveraging the array's error-correction-codes to infer the implicitly stored bits. ...
    • Article  

      Information retrieval techniques for peer-to-peer networks 

      Zeinalipour-Yazdi, Constantinos D.; Kalogeraki, Vana; Gunopulos, Dimitrios (2004)
      An important challenge in peer-to-peer (P2P) networks is to efficiently search the contents of other peers. The authors survey existing search techniques for information retrieval in P2P networks, including recent techniques ...
    • Article  

      Long-lived Rambo: Trading knowledge for communication 

      Georgiou, Chryssis; Musiał, Peter M.; Shvartsman, A. A. (2007)
      Shareable data services providing consistency guarantees, such as atomicity (linearizability), make building distributed systems easier. However, combining linearizability with efficiency in practical algorithms is difficult. ...
    • Conference Object  

      Magnetic domain-wall racetrack memory for high density and fast data storage 

      Zhao, W. S.; Zhang, Y.; Trinh, H. -P; Klein, J. -O; Chappert, C.; Mantovan, R.; Lamperti, A.; Cowburn, R. P.; Trypiniotis, Theodossis; Klaui, M.; Heinen, J.; Ocker, B.; Ravelosona, D. (2012)
      The racetrack memory device is a new concept of Magnetic RAM (MRAM) based on controlling domain wall (DW) motion in ferromagnetic nanowires. It promises ultra-high storage density thanks to the possibility to store multiple ...
    • Article  

      Mobile agents for wireless computing: The convergence of wireless computational models with mobile-agent technologies 

      Spyrou, Christiana; Samaras, George S.; Pitoura, Evaggelia 1967-; Evripidou, Paraskevas (2004)
      Wireless mobile computing breaks the stationary barrier and allows users to compute and access information from anywhere and at anytime. However, this new freedom of movement does not come without new challenges. The mobile ...
    • Article  

      Resources in process algebra 

      Lee, I.; Philippou, Anna; Sokolsky, O. (2007)
      The Algebra of Communicating Shared Resources (ACSR) is a timed process algebra which extends classical process algebras with the notion of a resource. It takes the view that the timing behavior of a real-time system depends ...
    • Conference Object  

      RISE - Co-S: High performance sensor storage and co-processing architecture 

      Banerjee, A.; Mitra, A.; Najjar, W.; Zeinalipour-Yazdi, Constantinos D.; Kalogerakil, V.; Gunopulos, Dimitrios (2005)
      Low power, high performance sensor designs are of particular importance nowadays considering the plethora of emerging applications in a wide range of fields. Applications such as audio capture, FFT (Fast Fourier Transform), ...
    • Conference Object  

      TFlux: A portable platform for data-driven multithreading on commodity multicore systems 

      Stavrou, Kyriakos; Nikolaides, Marios; Pavlou, Demos; Arandi, Samer; Evripidou, Paraskevas; Trancoso, Pedro (2008)
      In this paper we present Thread Flux (TFlux), a complete system that supports the Data-Driven Multithreading (DDM) model of execution. TFlux virtualizes any details of the underlying system therefore offering the same ...
    • Article  

      Towards in-situ data storage in sensor databases 

      Zeinalipour-Yazdi, Constantinos D.; Kalogeraki, Vana; Gunopulos, Dimitrios; Mitra, Abhishek; Banerjee, A.; Najjar, W. (2005)
      The advances in wireless communications along with the exponential growth of transistors per integrated circuit lead to a rapid evolution of Wireless Sensor Devices (WSDs), that can be used for monitoring environmental ...
    • Article  

      User-centric profiling on the basis of cognitive and emotional characteristics: An empirical study 

      Tsianos, Nikos; Lekkas, Zacharias; Germanakos, Panagiotis; Mourlas, Constantinos; Samaras, George S. (2008)
      In order to clarify whether extending learners' profiles in an adaptive educational system to cognitive and emotional characteristics may have a positive effect on performance, we conducted an empirical study that consists ...