@Article{GrGrBo08,
  author	=   {Sven Groppe, Jinghua Groppe and Stefan Böttcher},
  title		=   {{Simplifying XPath Queries for optimization with regard to the elimination of intersect and except operators}},
  journal	=   {Data & Knowledge Engineering},
  volume	=   {65},
  number	=   {2},
  year		=   {2008},
  month		=   {May},
  pages		=   {198--222},
  publisher	=   {Elsevier B. V.},
  address	=   {Amsterdam, The Netherlands},
  doi		=   {http://dx.doi.org/10.1016/j.datak.2007.09.002},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {Elsevier B.V.},
  note		=   {special Section: 3rd XML Schema and Data Management Workshop (XSDM 2006) in conjunction with IEEE ICDE 2006 – Five selected and extended papers}
 }

@Article{GrGr08a,
  author	=   {Sven Groppe, Jinghua Groppe},
  title		=   {{Output Schemas of XSLT Stylesheets and their Applications}},
  journal	=   {Information Sciences Journal},
  year		=   {2008},
  volume	=   {178},
  number	=   {21},
  pages		=   {3989--4018},
  publisher	=   {Elsevier},
  doi		=   {http://dx.doi.org/10.1016/j.ins.2008.06.024},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {Elsevier}
}

@Article{GrGr08,
  author	=   {Jinghua Groppe and Sven Groppe},
  title		=   {{Filtering unsatisfiable XPath queries}},
  journal	=   {Data & Knowledge Engineering},
  volume	=   {64},
  number	=   {1},
  year		=   {2008},
  month		=   {January},
  pages		=   {134--169},
  publisher	=   {Elsevier B. V.},
  address	=   {Amsterdam, The Netherlands, The Netherlands},
  doi		=   {http://dx.doi.org/10.1016/j.datak.2007.06.018},
  issn		=   {0169-023X},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {Elsevier},
  note		=   {special issue with selected papers from the 8th International Conference on Enterprise Information Systems (ICEIS’ 2006)}
 }

@Book{JG08,
  author	=   {Jinghua Groppe},
  title		=   {SPEEDING UP XML QUERYING: Satisfiability Test & Containment Test of XPath Queries in the Presence of XML Schema Definitions},

  year		=   {2008},
    
   publisher	=   {dissertation.de Verlag in Internet},
doi		=   {http://www.dissertation.de/index.php3?active_document=katalog_fach.php3?ziel=1},
  isbn		=   {978-3-86624-381-1},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {}
}

@Inproceedings{KuNt07,
  author	=   {Dirk Kukulenz and Alexandros Ntoulas},
  title		=   {Answering Bounded Continuous Search Queries in the World Wide Web},
  booktitle	=   {Proceedings 16th Int. World Wide Web Conference (WWW 2007)},
  editor	=   {},
  year		=   {2007},
  month		=   {May 8 - 12},
  address	=   {Banff, Alberta, Canada},
  pages		=   {551--560},
  publisher	=   {ACM},
  isbn		=   {978-1-59593-654-7},
  doi		=   {http://dx.doi.org/10.1145/1242572.1242647},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {ACM}
}

@Inproceedings{BuGaLi07,
  author	=   {Olaf Buck and Robert Gajcy and Volker Linnemann},
  title		=   {{Mobiles Computer Aided Facility Management}},
  booktitle	=   {Datenbanksysteme in Business, Technologie und Web (BTW), 12. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme"
                 (DBIS)},
  editor	=   {Alfons Kemper and
                   Harald Sch{\"o}ning and
                   Thomas Rose and
                   Matthias Jarke and
                   Thomas Seidl and
                   Christoph Quix and
                   Christoph Brochhaus},
  year		=   {2007},
  month		=   {March 7 - 9},
  address	=   {Aachen, Germany},
  publisher	=   {Gesellschaft f\"ur Informatik - GI},
  series	=   {LNI},
  volume	=   {P-103},
  pages		=   {522--531},
  isbn		=   {978-3-88579-197-3},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck}
}

@Inproceedings{ScHaLi06,
  author	=   {Henrike Schuhart and Beda Christoph Hammerschmidt and Volker Linnemann},
  title		=   {{Integrating Statically Typechecked XML Data Technologies Into Pure Java Architectures}},
  booktitle	=   {Proceedings of the ISCA 15th International Conference on Software Engineering and Data Engineering (SEDE-2006)},
  editor	=   {},
  year		=   {2006},
  month		=   {July 6-8},
  address	=   {Los Angeles, California, USA},
  pages		=   {217--222},
  publisher	=   {ISCA},
  isbn		=   {nur als CD},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck}
}

@Inproceedings{KuKa06,
  author	=   {Dirk Kukulenz and Juliane Kasper},
  title		=   {{Synchronization Strategies for Spatial Information Organization}},
  booktitle	=   {10th International Conference Information Visualization (IV 2006)},
  editor	=   {E. Banissi et al},
  year		=   {2006},
  month		=   {July 5-7},
  address	=   {London, UK},
  pages		=   {174--182},
  publisher	=   {IEEE Computer Society Press},
  isbn		=   {0-7695-2602-0},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright = {IEEE}
}

@Article{HaLi06,
  author	=   {Beda Christoph Hammerschmidt and Volker Linnemann},
  title		=   {{Migratable Web Services: Increasing Performance and Privacy in Service Oriented Architectures}},
  journal	=   {IADIS International Journal on Computer Science and Information Systems},
  publisher	=   {IADIS},
  volume	=   {1},
  number	=   {1},
  year		=   {2006},
  pages		=   {42--56},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck}
}