Digitale Analyse Graphischer Literatur
A. Dunst, R. Hartel, S. Hohenstein, J. Laubrock, in: DHd-Tagung 2015 - Von Daten Zu Erkenntnissen, 2015.

Difference Computation for Grammar-Compressed XML Data
S. Böttcher, R. Hartel, S. Thiele, in: Proceedings of the Second Australasian Web Conference, Australian Computer Society, Inc., 2014, pp. 3–12.

Keyword Search on DAG-Compressed XML Data
S. Böttcher, M. Brandenburg, R. Hartel, in: Proceedings of the Second Australasian Web Conference, Australian Computer Society, Inc., 2014, pp. 13–20.

Efficient XML Keyword Search Based on DAG-Compression
S. Böttcher, R. Hartel, J. Rabe, in: Database and Expert Systems Applications - 25th International Conference, DEXA 2014, Springer, Cham, 2014, pp. 122–137.

Schema-based Parallel Compression and Decompression of XML Data
S. Böttcher, M. Feldotto, R. Hartel, in: WEBIST 2013 - Proceedings of the 9th International Conference on Web Information Systems and Technologies, Aachen, Germany, 8-10 May, 2013, 2013, pp. 77–86.

Fast Multi-update Operations on Compressed XML Data
S. Böttcher, R. Hartel, T. Jacobs, in: Big Data - 29th British National Conference on Databases, BNCOD 2013, Springer, Berlin, Heidelberg, 2013, pp. 149–164.

DAG - Index - A Compressed Index for XML Keyword Search
S. Böttcher, M. Brandenburg, R. Hartel, in: WEBIST 2013 - Proceedings of the 9th International Conference on Web Information Systems and Technologies, SciTePress, 2013, pp. 137–140.

Implementing Efficient Updates in Compressed Big Text Databases
S. Böttcher, A. Bültmann, R. Hartel, J. Schlüßler, in: International Conference on Database and Expert Systems Applications, Springer, 2013, pp. 189–202.

Generalizing and Improving SQL/XML Query Evaluation
S. Böttcher, D. Bokermann, R. Hartel, in: 8th International Conference on Signal Image Technology and Internet Based Systems (SITIS’12), IEEE, 2012.

Efficient String-Based XML Stream Prefiltering
S. Böttcher, R. Hartel, S. Weber, in: Proceedings of the Twenty-Third Australasian Database Conference, Australian Computer Society, Inc., 2012, pp. 145–152.