@inproceedings {INPROC-2001-81,
    author = {Frank Leymann and Dieter Roller},
    title = {{Web Services als technische Grundlage f{\"u}r E-Business-Engineering (Web Services as technical foundation for e-business engineering)}},
    booktitle = {Informatik 2001: Wirtschaft und Wissenschaft in der Network Economy - Visionen und Wirklichkeit, Tagungsband der GI/OCG-Jahrestagung, Bd. 2},
    editor = {Kurt Bauknecht and Wilfried Brauer and Thomas A. M{\"u}ck},
    publisher = {GI},
    institution = {University of Stuttgart, Faculty of Computer Science, Electrical Engineering, and Information Technology, Germany},
    pages = {678--682},
    type = {Conference Paper},
    month = {September},
    year = {2001},
    isbn = {3-85403-157-2},
    language = {German},
    cr-category = {H.4.1 Office Automation,
                   K.4.4 Electronic Commerce},
    department = {University of Stuttgart, Institute of Architecture of Application Systems, Architecture of Application Systems},
    abstract = {Web Services als technische Grundlage f{\"u}r E-Business-Engineering},
    url = {http://www2.informatik.uni-stuttgart.de/cgi-bin/NCSTRL/NCSTRL_view.pl?id=INPROC-2001-81&engl=1}
 }

@inproceedings {INPROC-2001-80,
    author = {Marco K. Maxeiner and Klaus K{\"u}spert and Frank Leymann},
    title = {{Data Mining von Workflow-Protokollen zur teilautomatisierten Konstruktion von Proze{\ss}modellen (Mining workflow audit trails)}},
    booktitle = {Datenbanksysteme in B{\"u}ro, Technik und Wissenschaft (BTW), 9. GI-Fachtagung},
    editor = {Andreas Heuer and Frank Leymann and Denny Priebe},
    publisher = {Springer},
    institution = {University of Stuttgart, Faculty of Computer Science, Electrical Engineering, and Information Technology, Germany},
    series = {Informatik aktuell},
    pages = {75--84},
    type = {Conference Paper},
    month = {February},
    year = {2001},
    isbn = {3-540-41707-9},
    language = {German},
    cr-category = {H.2.8 Database Applications,
                   H.4.1 Office Automation},
    ee = {http://www-is.informatik.uni-oldenburg.de/btw2001/},
    department = {University of Stuttgart, Institute of Architecture of Application Systems, Architecture of Application Systems},
    abstract = {Data Mining von Workflow-Protokollen zur teilautomatisierten Konstruktion von
      Proze{\ss}modellen},
    url = {http://www2.informatik.uni-stuttgart.de/cgi-bin/NCSTRL/NCSTRL_view.pl?id=INPROC-2001-80&engl=1}
 }