Learning to estimate query difficulty: including applications to missing content detection and distributed information retrieval.

@inproceedings{yomtov-2005-learning, author = {Elad Yom-Tov and Shai Fine and David Carmel and Adam Darlow}, editor = {Ricardo Baeza-Yates and Nivio Ziviani and Gary Marchionini and Alistair Moffat and John Tait}, title = {{Learning to estimate query difficulty: including applications to missing content detection and distributed information retrieval}}, booktitle = {{SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005}}, pages = {512--519}, publisher = {ACM}, year = {2005}, url = {https://doi.org/10.1145/1076034.1076121}, doi = {https://doi.org/10.1145/1076034.1076121} }