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@inproceedings{conf/um/RitterBW03,
  added-at = {2011-07-05T00:00:00.000+0200},
  author = {Ritter, Steven and Blessing, Stephen and Wheeler, Leslie},
  biburl = {https://www.bibsonomy.org/bibtex/2c4c02fc89a76731c490bdcef7cd1f41b/dblp},
  booktitle = {User Modeling},
  crossref = {conf/um/2003},
  editor = {Brusilovsky, Peter and Corbett, Albert T. and de Rosis, Fiorella},
  ee = {http://dx.doi.org/10.1007/3-540-44963-9_45},
  interhash = {6c93bee4ad351cf5da042861e0c8d1d1},
  intrahash = {c4c02fc89a76731c490bdcef7cd1f41b},
  isbn = {3-540-40381-7},
  keywords = {dblp},
  pages = {333-336},
  publisher = {Springer},
  series = {Lecture Notes in Computer Science},
  timestamp = {2011-07-06T12:07:54.000+0200},
  title = {User Modeling and Problem-Space Representation in the Tutor Runtime Engine.},
  url = {http://dblp.uni-trier.de/db/conf/um/um2003.html#RitterBW03},
  volume = 2702,
  year = 2003
}