Incorporating query difference for learning retrieval functions in world wide web search

@inproceedings{Zha2006IncorporatingQD,
  title={Incorporating query difference for learning retrieval functions in world wide web search},
  author={Hongyuan Zha and Zhaohui Zheng and Haoying Fu and Gordon Sun},
  booktitle={CIKM},
  year={2006}
}
We discuss information retrieval methods that aim at serving a diverse stream of user queries such as those submitted to commercial search engines. We propose methods that emphasize the importance of taking into consideration of query difference in learning effective retrieval functions. We formulate the problem as a multi-task learning problem using a risk minimization framework. In particular, we show how to calibrate the empirical risk to incorporate query difference in terms of introducing… CONTINUE READING

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