A frequency-based and a poisson-based definition of the probability of being informative Thomas Roelleke   View Paper (PDF)   Return to IR theory BIBTEX @inproceedings       {DBLP:conf/sigir/Roelleke03,   author    = {Thomas Roelleke},    booktitle = {SIGIR},    title     = {A frequency-based and a poisson-based definition of the probability of being informative.},    pages     = {227-234},    year      = {2003},    url       = {db/conf/sigir/sigir2003.html#Roelleke03},    ee        = {http://doi.acm.org/10.1145/860478},    crossref  = {conf/sigir/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery