ITR: Grammar-based graph compression supporting fast triple queries
E. Adler, S. Böttcher, R. Hartel, in: 2024 Data Compression Conference (DCC), IEEE, 2024.

QSGG: query simulation in grammar-compressed graphs
S. Böttcher, R. Hartel, S. Peeters, in: Proceedings of The International Workshop on Semantic Big Data, 2020.

Pattern Search in Grammar-Compressed Graphs
S. Böttcher, R. Hartel, S. Peeters, in: 2020 Data Compression Conference (DCC) (Poster), 2020.

RECUT: RE-Compressing partially Unordered Trees
S. Böttcher, R. Hartel, in: 2018 IEEE International Conference on Big Data (Big Data), 2018, pp. 3996–4005.

A column-oriented text database API implemented on top of wavelet tries
S. Böttcher, R. Hartel, J. Manuel, in: DBKDA 2017, 2017.

CX: From relational data via SQL/XML to (Un-)Compressed XML
S. Böttcher, R. Hartel, D. Wolters, Information Systems 56 (2016) 198–213.

Incremental updates on compressed XML
S. Böttcher, R. Hartel, T. Jacobs, S. Maneth, in: 2016 IEEE 32nd International Conference on Data Engineering (ICDE), IEEE, 2016, pp. 1026–1037.

OnlineRePair: A Recompressor for XML Structures
S. Böttcher, R. Hartel, T. Jacobs, S. Maneth, in: 2015 Data Compression Conference, Springer, 2015, p. 439.

ECST – Extended Context-Free Straight-Line Tree Grammars
S. Böttcher, R. Hartel, T. Jacobs, M. Jeromin, in: Data Science - 30th British International Conference on Databases, BICOD 2015, Springer, 2015, pp. 186–198.

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.

Optimized XPath evaluation for Schema-compressed XML data
S. Böttcher, R. Hartel, S. Heindorf, in: ADC, Australian Computer Society, 2012, pp. 137–144.

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.

Fast Insertion and Deletion in Compressed Texts
S. Böttcher, A. Bültmann, R. Hartel, J. Schlüßler, in: 2012 Data Compression Conference, IEEE, 2012, p. 393.