@inproceedings{15153,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{Datenbanksysteme in Business, Technologie und Web, 11. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS)}},
  pages        = {{295--304}},
  title        = {{{Adaptive XML Access Control Based on Query Nesting, Modification and Simplification}}},
  year         = {{2005}},
}

@inproceedings{15155,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{16th International Workshop on Database and Expert Systems Applications (DEXA'05)}},
  isbn         = {{0769524249}},
  pages        = {{842--846}},
  publisher    = {{IEEE}},
  title        = {{{Embedding XML Schema Constraints in Search-Based Intersection Tests for XPath Query Optimization}}},
  doi          = {{10.1109/dexa.2005.83}},
  year         = {{2005}},
}

@inproceedings{15156,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{Secure Data Management, Second VLDB Workshop, SDM 2005}},
  isbn         = {{9783540287988}},
  issn         = {{0302-9743}},
  pages        = {{143--154}},
  publisher    = {{Springer}},
  title        = {{{Detecting Privacy Violations in Sensitive XML Databases}}},
  doi          = {{10.1007/11552338_10}},
  year         = {{2005}},
}

@inproceedings{15157,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{Proceedings of the International Conference on Internet Computing, IC '04}},
  pages        = {{587--593}},
  title        = {{{Optimized Internet Search Based on a Intersection Test for XPath Expressions under a DTD}}},
  year         = {{2004}},
}

@inproceedings{15077,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{Advances in Databases and Information Systems, 7th East European Conference, ADBIS 2003}},
  isbn         = {{9783540200475}},
  issn         = {{0302-9743}},
  pages        = {{400--410}},
  publisher    = {{Springer}},
  title        = {{{Testing Containment of XPath Expressions in Order to Reduce the Data Transfer to Mobile Clients}}},
  doi          = {{10.1007/978-3-540-39403-7_30}},
  year         = {{2003}},
}

@inproceedings{15078,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{Database and XML Technologies, First International XML Database Symposium, XSym 2003}},
  isbn         = {{9783540200550}},
  issn         = {{0302-9743}},
  pages        = {{85--99}},
  title        = {{{A DTD Graph Based XPath Query Subsumption Test}}},
  doi          = {{10.1007/978-3-540-39429-7_6}},
  year         = {{2003}},
}

@inproceedings{15158,
  author       = {{Böttcher, Stefan and Steinmetz, Rita}},
  booktitle    = {{20th British National Conference on Databases, BNCOD 20, Poster Papers}},
  pages        = {{43--45}},
  title        = {{{A Subset Test for XPath Expressions under DTDs}}},
  year         = {{2003}},
}