Welcome to the Databases and Electronic Commerce Group
The Team
Head -
Office: F2.217
Phone: +49 5251 60-6662
E-mail: stb@uni-paderborn.de
Secretary - Secretariat Prof. Dr. Stefan Böttcher
Teaching
Publications
String Partition for Building Long BWTs
E. Adler, S. Böttcher, R. Hartel, in: 2025 Data Compression Conference (DCC), IEEE, 2025.
IBB: Fast Burrows-Wheeler Transform Construction for Length-Diverse DNA Data
E. Adler, S. Böttcher, R. Hartel, C.A. Steininger, in: 23rd International Symposium on Experimental Algorithms, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, Venice, Italy, 2025, p. 2:1--2:18.
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.
S2CX: 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.
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