@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)}
 }

@Inproceedings{Kutest08,
  author	=   {Dirk Kukulenz and Christoph Reinke and Nils Hoeller},
  title		=   {{NEU by Learning of Page Grammars}},
  booktitle	=   {Proceedings of the Third International Conference on Internet and Web Applications and Services (ICIW 2008)},
  editor	=   {},
  year		=   {2008},
  month		=   {June 8 - 13}
  address	=   {Athens, Greece},
  pages		=   {},
  publisher	=   {IEEE},
  isbn		=   {},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
 copyright = {IEEE},
 keywords = {alt}
}

@inproceedings{HoReGrLi08,
    author = "Nils Hoeller, Christoph Reinke, Sven Groppe and Volker Linnemann",
    title = "Xobe Sensor Networks: Integrating XML in sensor network programming",
    year = "2008",
    month = jun,
    booktitle = "Proceedings of the 5th International Conference on Networked Sensing Systems (INSS 2008)",
    address = "Kanazawa, Japan"
}

@Inproceedings{HoReGr08,
  author	=   {Nils Hoeller and Christoph Reinke and Sven Groppe and Volker Linnemann},
  title		=   {{Xobe Sensor Networks: Integrating XML in Sensor Network Programming}},
  booktitle	=   {Proceedings of the 5th International Conference on Networked Sensing Systems (INSS 2008)},
  editor	=   {}, 
  year		=   {2008},
  month		=   {June 17 - 19}
  address	=   {Kanazawa, Japan},
  pages		=   {229},
  publisher	=   {IEEE},
  isbn		=   {978-4-907764-31-9},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {IEEE},
  keywords	=   {xobe sensor network, xml, programming language}
}

@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}
 }

@Inproceedings{GrLi08,
  author	=   {Jinghua Groppe and Volker Linnemann},
  title		=   {{Discovering Veiled Unsatisfiable XPath Queries}},
  booktitle	=   {Proceedings of the 10th International Conference on Enterprise Information Systems, Volume DISI, (ICEIS 2008)},
  editor	=   {Jos\'e Cordeiro and Joaquim Filipe},
  year		=   {2008},
  month		=   {June 12 - 16},
  address	=   {Barcelona, Spain},
  pages		=   {149--158},
  publisher	=   {INSTICC},
  isbn		=   {978-989-8111-36-4},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {INSTICC}
}

@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}
}

@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{LiNeWe08,
  author	=   {Martin Lipphardt and Jana Neumann and Christian Werner},
  title		=   {{Self-organizing Service Distribution (Demo)}},
  booktitle	=   {Proceedings of the 6th ACM Conference on Embedded Networked Sensor Systems (SenSys 2008)},
  editor	=   {Tarek F. Abdelzaher and
                 Margaret Martonosi and
                 Adam Wolisz},
  year		=   {2008},
  month		=   {November 5 - 7},
  address	=   {Raleigh, NC, USA},
  pages		=   {389--390},
  publisher	=   {ACM},
  isbn		=   {978-1-59593-990-6},
  doi		=   {http://doi.acm.org/10.1145/1460412.1460466},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {ACM},
  keywords	=   {wireless sensor networks, service, distribution, coverage}
}

@Article{LiNeHo08,
  author	=   {Martin Lipphardt and Jana Neumann and Nils Hoeller and Christoph Reinke and Sven Groppe and Volker Linnemann and Christian Werner},
  title		=   {{XML und SOA als Wegbereiter für Sensornetze in der Praxis}},
  journal	=   {Praxis der Informationsverarbeitung und Kommunikation (PIK)},
  year		=   {2008},
  month		=   {Juli - September},
  volume	=   {31},
  number	=   {3},
  pages		=   {146--152},
  publisher	=   {K.G. Saur},
  URL		=   {http://www.reference-global.com/loi/piko?cookieSet=1},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {}
}

@inproceeding{LiNeGrWe08,
  author	=   {Martin Lipphardt, Jana Neumann, Sven Groppe und Christian Werner},
  title	=   {DySSCo - A protocol for Dynamic Self-organizing Service Coverage},
  month = {December 10-12},
  booktitle= {Proceedings of the 3rd International Workshop on Self-Organizing Systems},
  year		=   {2008},
  address	=   {Wien, Österreich},
  pages		=   {},
  volume	=   {},
  publisher	=   {Springer-Verlag},
  isbn		=   {},
  doi		=   {},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {Springer-Verlag}

}

@Inproceedings{LiNeGr08,
  author	=   {Martin Lipphardt and Jana Neumann and Sven Groppe and Christian Werner},
  title		=   {{DySSCo - A protocol for Dynamic Self-organizing Service Coverage}},
  booktitle	=   {Proceedings of the 3rd International Workshop on Self-Organizing Systems (IWSOS 2008)},
  editor	=   {Karin Anna Hummel and James P. G. Sterbenz},
  year		=   {2008},
  month		=   {December 10 - 12},
  address	=   {Wien, {\"O}sterreich},
  pages		=   {109--120},
  series	=   {Lecture Notes in Computer Science (LNCS)},
  volume	=   {5343},
  publisher	=   {Springer-Verlag},
  isbn		=   {978-3-540-92156-1},
  doi		=   {http://dx.doi.org/10.1007/978-3-540-92157-8_10},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {Springer-Verlag}
}

@Inproceedings{HoReNe08,
  author	=   {Nils Hoeller and Christoph Reinke and Jana Neumann and Sven Groppe and Daniel Boeckmann and Volker Linnemann},
  title		=   {{Efficient XML Usage within Wireless Sensor Networks}},
  booktitle	=   {Proceedings of the Fourth International Wireless Internet Conference (WICON 2008)},
  editor	=   {Xudong Wang and Ness B. Shroff},
  year		=   {2008},
  month		=   {November 17 - 19},
  address	=   {Maui, Hawaii, USA},
  pages		=   {Article No: 74},
  publisher	=   {ACM},
  series	=   {ACM International Conference Proceeding Series (AICPS)},
  volume	=   {},
  publisher	=   {ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering)},
  isbn		=   {978-963-9799-36-3},
  doi		=   {http://doi.acm.org/10.1145/1554126.1554218},
  bibsource	=   {IFIS, Universit{\"a}t zu L{\"u}beck},
  copyright	=   {ICST (Permission to make digital or hard copies of all or part of this work for personal classroom use is granted without fee.)}
}

@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}
}