@inproceedings{raman_etal_11a,
 author = {Raman, Karthik and Joachims, Thorsten and Shivaswamy, Pannaga},
 title = {Structured learning of two-level dynamic rankings},
 booktitle = {Proceedings of the 20th ACM international conference on Information and knowledge management},
 series = {CIKM '11},
 year = {2011},
 isbn = {978-1-4503-0717-8},
 location = {Glasgow, Scotland, UK},
 pages = {291--296},
 numpages = {6},
 url = {http://doi.acm.org/10.1145/2063576.2063623},
 doi = {10.1145/2063576.2063623},
 acmid = {2063623},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {diversified retrieval, ranked retrieval, structured learning, submodular optimization, web search},
}