@incollection{ahlersboll:geospatialweb:2007,
  author = {Dirk Ahlers and Susanne Boll},
  address = {London},
  title = {Location-based Web Search},
  editor = {Arno Scharl and Klaus Tochtermann},
  booktitle = {The Geospatial Web. How Geo-Browsers, Social Software and the Web 2.0 are Shaping the Network Society.},
  publisher ={Springer},
  isbn = {1-84628-826-6},
  url = {http://www.geospatialweb.com/},
  year = {2007}
}