• History navigation in location-based mobile systems

    Müller, Knut; Hinze, Annika (University of Waikato, Department of Computer Science, 2010-12-01)
    The aim of this paper is to provide an overview and comparison of concepts that have been proposed to guide users through interaction histories (e.g. for web browsers). The goal is to gain insights into history design that ...
  • Datalog as a parallel general purpose programming language

    Cleary, John G.; Utting, Mark; Clayton, Roger (University of Waikato, Department of Computer Science, 2010-08-27)
    The increasing available parallelism of computers demands new programming languages that make parallel programming dramatically easier and less error prone. It is proposed that datalog with negation and timestamps is a ...
  • The language of certain conflicts of a nondeterministic process

    Malik, Robi (University of Waikato, Department of Computer Science, 2010-07-07)
    The language of certain conflicts is the most general set of behaviours of a nondeterministic process, which certainly lead to a livelock or deadlock when accepted by another process running in parallel. It is of great use ...
  • Random model trees: an effective and scalable regression method

    Pfahringer, Bernhard (University of Waikato, Department of Computer Science, 2010-06)
    We present and investigate ensembles of randomized model trees as a novel regression method. Such ensembles combine the scalability of tree-based methods with predictive performance rivaling the state of the art in numeric ...
  • Implementing an event-driven service-oriented architecture in TIP

    Rinck, Michael; Hinze, Annika (University of Waikato, Department of Computer Science, 2010-06-17)
    Many mobile devices have a density of services, many of which are context or location-aware. To function, many of these services have to collaborate with other services, which may be located in many different places and ...
  • Efficient multi-label classification for evolving data streams

    Read, Jesse; Bifet, Albert; Holmes, Geoffrey; Pfahringer, Bernhard (University of Waikato, Department of Computer Science, 2010-05)
    Many real world problems involve data which can be considered as multi-label data streams. Efficient methods exist for multi-label classification in non streaming scenarios. However, learning in evolving streaming scenarios ...
  • Contextual queries and situated information needs for mobile users

    Hinze, Annika; Chang, Carole; Nichols, David M. (University of Waikato, Department of Computer Science, 2010-02-16)
    The users of mobile devices increasingly use networked services to address their information needs. Questions asked by mobile users are strongly influenced by contextual factors such as location, conversation and activity. ...

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