@ARTICLE{michalowski2004:is,
  author = {Martin Michalowski and José Luis Ambite and Snehal Thakkar and Rattapoom Tuchinda and Craig A. Knoblock and Steve Minton},
  title = {Retrieving and Semantically Integrating Heterogeneous Data from the Web},
  journal = {IEEE Intelligent Systems},
  year = {2004},
  volume = {19},
  number = {3}
}