Analysis of performance variation using query expansion

  title={Analysis of performance variation using query expansion},
  author={Nega Alemayehu},
Information retrieval performance evaluation is commonly made based on the classical recall and precision based figures or graphs. However, important information indicating causes for variation may remain hidden under the average recall and precision figures. Identifying significant causes for variation can help researchers and developers to focus on opportunities for improvement that underlay the averages. This article presents a case study showing the potential of a statistical repeated… CONTINUE READING
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