@inproceedings{krause/ah/recommender/2008,
  author    = {Fabian Abel and
               Ig Ibert Bittencourt and
               Nicola Henze and
               Daniel Krause and
               Julita Vassileva},
  title     = {A {R}ule-Based {R}ecommender {S}ystem for {O}nline {D}iscussion {F}orums},
  booktitle = {AH},
  year      = {2008},
  pages     = {12-21},
  ee        = {http://dx.doi.org/10.1007/978-3-540-70987-9_4},
  crossref  = {DBLP:conf/ah/2008},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ah/2008,
  editor    = {Wolfgang Nejdl and
               Judy Kay and
               Pearl Pu and
               Eelco Herder},
  title     = {Adaptive Hypermedia and Adaptive Web-Based Systems, 5th
               International Conference, AH 2008, Hannover, Germany, July
               29 - August 1, 2008. Proceedings},
  booktitle = {AH},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {5149},
  year      = {2008},
  isbn      = {978-3-540-70984-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}