Diversified search evaluation: lessons from the NTCIR-9 INTENT task

  title={Diversified search evaluation: lessons from the NTCIR-9 INTENT task},
  author={Tetsuya Sakai and Ruihua Song},
  journal={Information Retrieval},
The evaluation of diversified web search results is a relatively new research topic and is not as well-understood as the time-honoured evaluation methodology of traditional IR based on precision and recall. In diversity evaluation, one topic may have more than one intent, and systems are expected to balance relevance and diversity. The recent NTCIR-9 evaluation workshop launched a new task called INTENT which included a diversified web search subtask that differs from the TREC web diversity… CONTINUE READING
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