• Classification of Driving Behaviour using Short-term and Long-term Summaries of Sensor Data 

      Savelonas M., Karkanis S., Spyrou E. (2020)
      The classification of driving behaviour is important for monitoring driving risk and fuel efficiency, as well as for adaptive driving assistance and car insurance industry. Starting from raw measurements of acceleration ...
    • A comparative assessment of machine learning algorithms for events detection 

      Tsoukas V., Kolomvatsos K., Chioktour V., Kakarountas A. (2019)
      Nowadays, one can observe massive amount of data production by numerous devices interacting with their environment and end users. [1] Such data can be the subject of advanced processing usually through machine learning ...
    • The Complexity in the Study of Spatial Networks: an Epistemological Approach 

      Tsiotas D., Polyzos S. (2018)
      Provided that the study of complex networks has reached a crucial measure to be considered by many researchers as a separate discipline, the so-called Network Science (NS), the assessment of this field under the epistemological ...
    • Cooperation and directionality: Friends or foes? 

      Tao, Z.; Korakis, T.; Liu, F.; Panwar, S.; Zhang, J.; Tassiulas, L. (2008)
      As the two key technologies that have the potential to reshape the landscape of next-generation wireless network, cooperative communications and directional antenna system so far have been developed in parallel, if not in ...
    • A demonstration of video over a user centric prioritization scheme for wireless LANs 

      Choumas, K.; Korakis, T.; Tassiulas, L. (2008)
      Due to the unreliable nature of the wireless medium, provisioning of the Quality of Service (QoS) in wireless LANs is by far more complicated than in wired networks. In this demo we show the efficiency of a new QoS support ...
    • Design of Reconfigurable Fault-Tolerant Datapaths 

      Kokkinos V., Kakarountas A. (2020)
      In this paper, behavioral-level synthesis techniques are presented for the design of reconfigurable hardware. The techniques are applicable for synthesis of several classes of designs, such as design for fault-tolerance ...
    • Distributed dynamic scheduling for end-to-end rate guarantees in wireless ad hoc networks 

      Salonidis, T.; Tassiulas, L. (2005)
      We present a framework for the provision of deterministic end-to-end bandwidth guarantees in wireless ad hoc networks. Guided by a set of local feasibility conditions, multi-hop sessions are dynamically offered allocations, ...
    • Dynamic cooperation enforcement through trust-based allocation policies in P2P systems 

      Satsiou, A.; Tassiulas, L. (2008)
      In this paper we propose distributed trust-based resource allocation policies to provide fairness in p2p-like systems. According to these policies, the portion of the available resource received by each competing peer ...
    • Enhanced tetris legalization 

      Dadaliaris A.N., Nerantzaki E., Oikonomou P., Hatzaras Y., Troumpoulou A.-O., Arvanitakis I., Stamoulis G.I. (2016)
      Legalization and detailed placement methods for standard cell designs, are two of the most notable topics in current VLSI research. Being the final steps in a classic placement procedure they must be efficient in terms of ...
    • Evaluation of influential properties in twitter 

      Razis G., Anagnostopoulos I. (2019)
      In this paper we describe a methodology for measuring the influence and impact of Twitter accounts, by combining their activity, social degree and disseminated content. Experimental results show that the accuracy of our ...
    • Evolutionary fuzzy multi-objective routing for wireless mobile ad hoc networks 

      Marwaha, S.; Srinivasan, D.; Tham, C. K.; Vasilakos, A. (2004)
      The complexity involved in implementing multi-objective routing in computer networks has led to many researchers exploring alternate solutions with the use of heuristic based techniques. The rationale underlying the use ...
    • A framework for MAC protocol misbehavior detection in wireless networks 

      Radosavac, S.; Baras, J. S.; Koutsopoulos, I. (2005)
      The pervasiveness of wireless devices and the architectural organization of wireless networks in distributed communities, where no notion of trust can be assumed, are the main reasons for the growing interest in the issue ...
    • GemFI: A fault injection tool for studying the behavior of applications on unreliable substrates 

      Parasyris, K.; Tziantzoulis, G.; Antonopoulos, C. D.; Bellas, N. (2014)
      Dependable computing on unreliable substrates is the next challenge the computing community needs to overcome due to both manufacturing limitations in low geometries and the necessity to aggressively minimize power ...
    • Global and Pointer Variables in High-Level Synthesis 

      Dimitriou G., Dossis M., Stamoulis G. (2020)
      High-level synthesis (HLS) has been an important tool in digital circuit design for more than two decades, especially for processor components like accelerators or coprocessors. However, many high-level language characteristics ...
    • Heuristics for iterative detailed standard cell placement 

      Oikonomou P., Koziri M.G., Dadaliaris A.N., Hatzaras Y., Nerantzaki E., Stamoulis G.I. (2016)
      In cell placement a number of cells with rectangular shapes, must be placed inside a chip area so that no cells overlap and a target function is optimized. In standard cell placement all rectangles have the same width and ...
    • Instruction-based timing analysis in pipelined processors 

      Tziouvaras A., Dimitriou G., Dossis M., Stamoulis G. (2019)
      Traditional timing analysis techniques for microprocessor design are based on the static analysis approach, in which clock frequency is set in accord with the worst-case delay in the processor circuit operation, regardless ...
    • A low-cost and simple-to-deploy peer-to-peer wireless network based on open source linux routers 

      Tsarmpopoulos, N.; Kalavros, I.; Lalis, S. (2005)
      In this paper we present our work towards deploying a community wireless network with ad hoc communication and routing between its elements. We describe our network model and implementation of wireless routers, while ...
    • Minimal-area loop pipelining for high-level synthesis with CCC 

      Dimitriou G., Dossis M., Stamoulis G. (2017)
      Increased complexity of computer hardware makes close to impossible to rely on hand-coding at the-level of HDLs for digital hardware design. High-level synthesis can be employed instead, in order to automatically obtain ...
    • Multicast transmission over IEEE 802.11n WLAN 

      Papathanasiou, C.; Tassiulas, L. (2008)
      With the advent of low-cost WLAN devices, the delivery of multimedia content is highly desirable. Such applications require high throughput and near-real time for quality viewing. The use of next-generation WLAN 802.11n ...
    • Network analysis in the legal domain: A complex model for European Union legal sources 

      Koniaris M., Anagnostopoulos I., Vassiliou Y. (2018)
      Legislators, designers of legal information systems, as well as citizens face often problems due to the interdependence of the laws and the growing number of references needed to interpret them. In this article, we introduce ...