@inproceedings{2004-Bommel-MarketChallenges,
  author    = {Bommel, P. van and Gils, B. van and Proper, H.A. (Erik) and Vliet, M. van and Weide, Th.P. van der},
  title     = {The Information Market: Its Basic Concepts and Its Challenges},
  booktitle = {Web Information Systems Engineering (WISE'05)},
  editor    = {Ngu, A.H.H. and Kitsuregawa, M. and Neuhold, E.J. and Chung, J.Y. and Sheng, Q.Z.},
  publisher = {Springer-Verlag},
  address   = {Berlin, Germany, EU},
  pages     = {577--583},
  month     = {November},
  year      = {2005},
  series    = {Lecture Notes in Computer Science},
  volume    = {3806},
  isbn      = {ISBN 3540300171},
  doi       = {doi:10.1007/11581062_50},
}