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  1. No Access

    Chapter and Conference Paper

    Classification of Hidden Users’ Profiles in Wireless Communications

    The Internet can be seen as a mix of several services and applications running on top of common protocols. The emergence of several web-applications changed the users’ interaction paradigm by placing them in a...

    Eduardo Rocha, Paulo Salvador, António Nogueira in Mobile Networks and Management (2012)

  2. No Access

    Article

    IPTV service based on a content-zap** paradigm

    Internet protocol television (IPTV) generically designates a real-time distribution service for multimedia contents over an IP network, such as the Internet. There are many advantages of IPTV deployment over c...

    João Rodrigues, António Nogueira, Paulo Salvador… in Multimedia Systems (2011)

  3. Chapter and Conference Paper

    Markov Modulated Bi-variate Gaussian Processes for Mobility Modeling and Location Prediction

    A general-purpose and useful mobility model must be able to describe complex movement dynamics, correlate movement dynamics with the nodes geographic position and be sufficiently generic to map the characteris...

    Paulo Salvador, António Nogueira in NETWORKING 2011 (2011)

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  4. No Access

    Chapter

    Markovian Modelling of Internet Traffic

    This tutorial discusses the suitability of Markovian models to describe IP network traffic that exhibits peculiar scale invariance properties, such as self-similarity and long range dependence. Three Markov Mo...

    António Nogueira, Paulo Salvador, Rui Valadas… in Network Performance Engineering (2011)

  5. No Access

    Chapter and Conference Paper

    Peer-Level Analysis of Distributed Multimedia Content Sharing

    In the last few years, peer-to-peer (P2P) file-sharing applications have become very popular: more users are continuously joining such systems and more objects are being made available, seducing even more user...

    Joana Gonçalves, Paulo Salvador… in Traffic Management and Traffic Engineering… (2009)

  6. No Access

    Chapter and Conference Paper

    A Framework for Detecting Internet Applications

    There are several network management and measurement tasks, including for example traffic engineering, service differentiation, performance or failure monitoring or security, that can greatly benefit with the ...

    António Nogueira, Paulo Salvador… in Information Networking. Towards Ubiquitous… (2008)

  7. No Access

    Chapter and Conference Paper

    Active Traffic Monitoring for Heterogeneous Environments

    The traffic management of IP networks faces increasing challenges, due to the occurrence of sudden and deep traffic variations in the network, which can be mainly attributed to the large diversity of supported...

    Hélder Veiga, Teresa Pinho, José Luis Oliveira, Rui Valadas… in Networking - ICN 2005 (2005)

  8. No Access

    Chapter and Conference Paper

    Multi-time-Scale Traffic Modeling Using Markovian and L-Systems Models

    Traffic engineering of IP networks requires the characterization and modeling of network traffic on multiple time scales due to the existence of several statistical properties that are invariant across a range...

    Paulo Salvador, António Nogueira, Rui Valadas… in Universal Multiservice Networks (2004)

  9. No Access

    Chapter and Conference Paper

    Modeling Self-similar Traffic through Markov Modulated Poisson Processes over Multiple Time Scales

    In recent years several studies have reported peculiar types of traffic behavior, such as long-range dependence and self-similarity, which can have significant impact on network performance. In this paper we p...

    António Nogueira, Paulo Salvador… in High-Speed Networks and Multimedia Communi… (2003)