Reflections on "Aboutness" TREC-9 Evaluation Experiments at Justsystem

@inproceedings{Fujita2000ReflectionsO,
  title={Reflections on "Aboutness" TREC-9 Evaluation Experiments at Justsystem},
  author={Sumio Fujita},
  booktitle={TREC},
  year={2000}
}
TREC-9 evaluation experiments at the Justsystem site are described with a focus on “aboutness” based approach in text retrieval. Experiments on the effects of supplemental noun phrase indexing, pseudo-relevance feedback and reference database feedback in view of the effect of various length of queries are reported. The results show that pesudo-relevance feedback is always effective while reference database feedback is effective only with very short queries. We reconfirmed that supplemental… CONTINUE READING
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