Queryable SEPA Message Compression by XML Schema Subtraction
S. Böttcher, R. Hartel, C. Messinger, in: ICEIS 2010 - Proceedings of the 12th International Conference on Enterprise Information Systems, 2010, pp. 23–29.

CluX - Clustering XML Sub-trees
S. Böttcher, R. Hartel, C. Krislin, in: ICEIS 2010 - Proceedings of the 12th International Conference on Enterprise Information Systems, 2010, pp. 142–150.

Using XML Schema Subtraction to Compress Electronic Payment Messages
S. Böttcher, R. Hartel, C. Messinger, in: Enterprise Information Systems - 12th International Conference, ICEIS 2010, Revised Selected Papers, Springer, 2010, pp. 451–463.

Searchable Compression of Office Documents by XML Schema Subtraction
S. Böttcher, R. Hartel, C. Messinger, in: Database and XML Technologies - 7th International XML Database Symposium, XSym 2010, Springer, 2010, pp. 103–112.

Information disclosure by answers to XPath queries
S. Böttcher, R. Hartel, Journal of Computer Security 17 (2009) 69–99.

CSC: Supporting Queries on Compressed Cached XML
S. Böttcher, R. Hartel, in: Database Technologies 2009, Twentieth Australasian Database Conference, ADC 2009, Australian Computer Society, Inc., 2009, pp. 153–160.

XML Stream Data Reduction by Shared KST Signatures
S. Böttcher, R. Hartel, C. Messinger, in: 2009 42nd Hawaii International Conference on System Sciences, IEEE, 2009.

Navigierbare Kompression von XML-Datenströmen
R. Hartel, Navigierbare Kompression von XML-Datenströmen, University of Paderborn, Germany, 2008.

Detecting Suspicious Relational Database Queries
S. Böttcher, R. Hartel, M. Kirschner, in: Third International Conference on Availability, Reliability and Security, IEEE, 2008, pp. 771–778.

BSBC: Towards a Succinct Data Format for XML Streams
S. Böttcher, R. Hartel, C. Heinzemann, in: WEBIST 2008, Proceedings of the Fourth International Conference on Web Information Systems and Technologies, INSTICC, 2008, pp. 13–21.

Compressing XML Data Streams with DAG+BSBC
S. Böttcher, R. Hartel, C. Heinzemann, in: Web Information Systems and Technologies, 4th International Conference, WEBIST 2008, Revised Selected Papers, Springer, 2008, pp. 65–79.

Evaluating XPath Queries on XML Data Streams
S. Böttcher, R. Steinmetz, in: Data Management. Data, Data Everywhere, 24th British National Conference on Databases, BNCOD 24, Springer, 2007, pp. 101–113.

Data Management for Mobile Ajax Web 2.0 Applications
S. Böttcher, R. Steinmetz, in: Database and Expert Systems Applications, 18th International Conference, DEXA 2007, Springer, 2007, pp. 424–433.

XML index compression by DTD subtraction
S. Böttcher, R. Steinmetz, N. Klein, in: ICEIS 2007 - Proceedings of the Ninth International Conference on Enterprise Information Systems, 2007, pp. 86–94.

Reformulating XPath queries and XSLT queries on XSLT views
S. Groppe, S. Böttcher, G. Birkenheuer, A. Höing, Data &; Knowledge Engineering 57 (2006) 64–110.

DTD-Driven Structure Preserving XML Compression
S. Böttcher, R. Steinmetz, in: Flexible and Efficient Information Handling, 23rd British National Conference on Databases, BNCOD 23, Berlin, Heidelberg, 2006, pp. 266–269.

Finding the Leak: A Privacy Audit System for Sensitive XML Databases
S. Böttcher, R. Steinmetz, in: 22nd International Conference on Data Engineering Workshops (ICDEW’06), IEEE, 2006.

Information Disclosure by XPath Queries
S. Böttcher, R. Steinmetz, in: Secure Data Management, Third VLDB Workshop, SDM 2006, Springer, 2006, pp. 160–174.

Adaptive XML Access Control Based on Query Nesting, Modification and Simplification
S. Böttcher, R. Steinmetz, in: Datenbanksysteme in Business, Technologie Und Web, 11. Fachtagung Des GI-Fachbereichs “Datenbanken Und Informationssysteme” (DBIS), 2005, pp. 295–304.

Embedding XML Schema Constraints in Search-Based Intersection Tests for XPath Query Optimization
S. Böttcher, R. Steinmetz, in: 16th International Workshop on Database and Expert Systems Applications (DEXA’05), IEEE, 2005, pp. 842–846.