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@PHDTHESIS{Klemke:57040,
      author       = {Klemke, Roland},
      othercontributors = {Jarke, Matthias},
      title        = {{M}odelling context in information brokering processes},
      address      = {Aachen},
      publisher    = {Publikationsserver der RWTH Aachen University},
      reportid     = {RWTH-CONV-119110},
      pages        = {XVII, 265 S. : graph. Darst.},
      year         = {2002},
      note         = {Aachen, Techn. Hochsch., Diss., 2002},
      abstract     = {The availability of increasing amounts of information on
                      the World Wide Web generates problems of information
                      overload, that lead to increasing efforts for information
                      retrieval on the one hand and increasing portions of
                      irrelevant information on the other. Research efforts
                      address these problems. However, there is still a lack of
                      common understanding of information brokering processes,
                      tasks, and roles. Additionally, existing systems do not
                      account for the meaning of context for information needs:
                      while the importance of context for information needs is
                      agreed on in the literature, a common framework for
                      understanding, organising, and using contextual knowledge
                      explicitly within information brokering processes is still
                      missing. The central question underlying this work is the
                      following: when we know about the context in which a person
                      is currently situated and we know the context in or for
                      which available information has been produced, how can we
                      then use this knowledge to improve the individual's access
                      to information? To address this question, this work performs
                      a comprehensive analysis of information brokering processes
                      in various domains and develops information brokering
                      process, role, and task models of general applicability.
                      Furthermore, the role context plays within these processes
                      is analysed and a framework of contextualisation goals and
                      appropriate contextualisation techniques is developed.
                      Finally, a general context modelling framework is developed
                      based on the definition of context modelling requirements.
                      This context modelling framework provides guidelines for the
                      explicit representation, assessment, and retrieval of
                      contextual information in order to enhance information
                      brokering processes with contextual information. The models
                      proposed in this work are evaluated through the development
                      of several information brokering environments and their
                      application in different information brokering domains.},
      cin          = {100000},
      ddc          = {330},
      cid          = {$I:(DE-82)100000_20140620$},
      typ          = {PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:hbz:82-opus-3812},
      url          = {https://publications.rwth-aachen.de/record/57040},
}