Document retrieval from user-selected web sites Ulrich Bohnacker and Ingrid Renz Return to Demos BIBTEX @inproceedings       {DBLP:conf/sigir/BohnackerR03,   author    = {Ingrid Renz and                 Ulrich Bohnacker},    booktitle = {SIGIR},    title     = {Document retrieval from user-selected web sites.},    pages     = {467},    year      = {2003},    url       = {db/conf/sigir/sigir2003.html#BohnackerR03},    ee        = {http://doi.acm.org/10.1145/860558},    crossref  = {conf/sigir/2003},    bibsource = {DBLP, http://dblp.uni-trier.de}  } ©2004 Association for Computing Machinery