TU Wien:Grundlagen des Information Retrieval VU (Rauber)/Prüfung 2012-06-11

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folgende Fragen sind gekommen:

  • Either show that there always exists a break-even point in the precision-recall curve or show a counterexample where this is not the case.
  • An example where pooling is not appropriate
  • 3 genres which can't be easily identified by accustic features. Describe how you might identify them
  • Explain 3 MPEG-7 features
  • What are document surrogates, information which they contain, ...
  • What's the problem with the standard information retrieval model (skizze war gegeben). How does berry picking improve this problem?
  • Difference between constitutional and dependence parser + examples
  • What's the difference in IE evaluation and IR evaluation.