Beyond independent relevance: methods and evaluation metrics for subtopic retrieval Cheng Xiang Zhai, William W. Cohen, and John D. Lafferty   View Paper (PDF)   Return to Retrieval models BIBTEX @inproceedings       {DBLP:conf/sigir/ZhaiCL03,   author    = {William W. Cohen and                 John D. Lafferty and                 Cheng Xiang Zhai},    booktitle = {SIGIR},    title     = {Beyond independent relevance: methods and evaluation metrics for subtopic retrieval.},    pages     = {10-17},    year      = {2003},    url       = {db/conf/sigir/sigir2003.html#ZhaiCL03},    ee        = {http://doi.acm.org/10.1145/860440},    crossref  = {conf/sigir/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery