@manual{hogdoc:05,
 author = {Ulrich Sch{\"a}fer},
 title = {Heart of Gold -- an {XML}-based middleware for the integration of deep and shallow natural language processing components, User and Developer Documentation},
 URL = "{http://heartofgold.dfki.de/doc/heartofgolddoc.pdf}",
 year = 2005,
 address = {{DFKI} Language Technology Lab, Saarbr{\"u}cken, Germany}
}