Browsing by Subject "Database systems"

Now showing items 1-20 of 25

    • Conference Object  

      Active folders: A metaphor for developing and interacting with context-aware applications 

      Polyviou, S.; Samaras, George S.; Evripidou, Paraskevas (2006)
      Query by Browsing (QBB) is a relationally complete paradigm for creating Visual Query Language (VQL)s. It has been adapted successfully for use on handheld devices in the form of the Chiromancer interface, thus placing ...
    • Conference Object  

      Adaptive high-end microprocessor for power-performance efficiency 

      Trancoso, Pedro (2006)
      Microprocessor development costs are considerably high. To minimize these costs, manufacturers produce a single design that better satisfies, in average, a wide range of applications. Nevertheless, as applications have ...
    • 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 ...
    • Article  

      A clustering-based prefetching scheme on a Web cache environment 

      Pallis, George C.; Vakali, Athena I.; Pokorný, Jaroslav (2008)
      Web prefetching is an attractive solution to reduce the network resources consumed by Web services as well as the access latencies perceived by Web users. Unlike Web caching, which exploits the temporal locality, Web ...
    • Article  

      Completely automated multiresolution edge snapper-A new technique for an accurate carotid ultrasound IMT measurement: Clinical validation and benchmarking on a multi-institutional database 

      Molinari, F.; Pattichis, Constantinos S.; Zeng, G.; Saba, L.; Acharya, U. R.; Sanfilippo, R.; Nicolaïdes, Andrew N.; Suri, J. S. (2012)
      The aim of this paper is to describe a novel and completely automated technique for carotid artery (CA) recognition, far (distal) wall segmentation, and intima-media thickness (IMT) measurement, which is a strong clinical ...
    • Conference Object  

      Computational intelligent diagnostics systems in medicine 

      Schizas, Christos N. (IEEE, 1997)
      A literature search over the last few years has shown that there is a steady increase in publications on computer-based medical diagnostic applications, ranging from diagnostic aids for the physician or hospital staff, to ...
    • 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  

      Database system for thalassemia mutations 

      Constantinou, Ioannis P.; Pattichis, Constantinos S.; Gerolakkitis, M.; Schizas, Christos N.; Cariolou, Marios A. (Publ by IEEE, 1993)
      In this study, a computer aided database system for handling thalassemia mutations data is presented. The system was developed in Clipper and is able to process data in the form of biochemical and molecular measurements, ...
    • Conference Object  

      Design space navigation for neighboring power-performance efficient microprocessor configurations 

      Trancoso, Pedro (2005)
      Microprocessor design is a considerably complex task. First, microprocessors include many resources that may be configured in different ways. This leads to a time consuming multi-objective optimization problem. Second, ...
    • Article  

      Detailed characterization of a Quad Pentium Pro server running TPC-D 

      Cao, Q.; Trancoso, Pedro; Larriba-Pey, J. -L; Torrellas, J.; Knighten, R.; Won, Y. (1999)
      While database workloads consume a major fraction of the cycles in today's machines, there are only a few public-domain performance studies that characterize in detail how these workloads exercise the machines. This fact ...
    • 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  

      In-memory parallelism for database workloads 

      Trancoso, Pedro (2002)
      In this work we analyze the parallelization of database workloads for an emerging memory technology: Processing-In-Memory (PIM) chips. While most previous studies have used scientific workloads to evaluate PIM architectures, ...
    • Article  

      Instruction-Isomorphism in program execution 

      Sazeides, Yiannakis (2003)
      This paper identifies a fundamental runtime program property: Instruction-Isomorphism. An instruction instance is said to be isomorphic if its component - Information derived from the instruction and its backward dynamic ...
    • Article  

      Internet-based Indoor Navigation Services 

      Zeinalipour-Yazdi, Constantinos D.; Laoudias, Christos; Georgiou, K.; Chatzimilioudis, Georgios (2017)
      The advances of smartphone technology in recent years is leading to the uptake of a new class of Internet-based Indoor Navigation (IIN) services, which might soon diminish the need of Satellite-based technologies in urban ...
    • Article  

      Locating objects in mobile computing 

      Pitoura, Evaggelia 1967-; Samaras, George S. (2001)
      In current distributed systems, the notion of mobility is emerging in many forms and applications. Mobility arises naturally in wireless computing since the location of users changes as they move. Besides mobility in ...
    • 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 ...
    • Conference Object  

      Mobile agents: What about them? Did they deliver what they promised? Are they here to stay? (PANEL) 

      Samaras, George S. (2004)
      Mobile Agents have brought around a new way to perform computations and develop distributed application and it is now struggling for a visible position in the area of distributed and wireless computing. This panel explores ...
    • Article  

      Mobile health systems: A brief overview 

      Voskarides, Sotos Ch; Pattichis, Constantinos S.; Istepanian, Robert Sh Habib; Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Schizas, Christos N. (2002)
      Rapid advances in information technology and telecommunications, and more specifically wireless and mobile communications, and their convergence (telematics) are leading to the emergence of a new type of information ...
    • Article  

      Prediction of intrinsic viscosity in polymer-solvent combinations using a QSPR model 

      Afantitis, Antreas; Melagraki, G.; Sarimveis, H.; Koutentis, Panayiotis Andreas; Markopoulos, J.; Igglessi-Markopoulou, O. (2006)
      In this work, a linear quantitative structure-property relationship (QSPR) model is presented for the prediction of intrinsic viscosity in polymer solutions. The model was produced by using the multiple linear regression ...
    • Article  

      Reducing TPC-H benchmarking time 

      Trancoso, Pedro; Adamou, Christodoulos; Vandierendonck, Hans (2005)
      Benchmarking a system can be a time consuming operation. Therefore, many researchers have developed kernels and microbenchmarks. Nevertheless, these programs are not able to capture the details of a full application. One ...