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68 Publications


2021 | Conference Paper | LibreCat-ID: 21378
An OCR Pipeline and Semantic Text Analysis for Comics
R. Hartel, A. Dunst, in: MANPU 2020: The 4th International Workshop on CoMics ANalysis, Processing and Understanding@Pattern Recognition. ICPR International Workshops and Challenges, Cham, 2021.
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2021 | Journal Article | LibreCat-ID: 23466 LibreCat | DOI
 

2020 | Conference Paper | LibreCat-ID: 18038
QSGG: query simulation in grammar-compressed graphs
S. Böttcher, R. Hartel, S. Peeters, in: Proceedings of The International Workshop on Semantic Big Data, 2020.
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2020 | Conference Paper | LibreCat-ID: 18039
Pattern Search in Grammar-Compressed Graphs
S. Böttcher, R. Hartel, S. Peeters, in: 2020 Data Compression Conference (DCC) (Poster), 2020.
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2019 | Conference Paper | LibreCat-ID: 15080
How Good Is Good Enough? Establishing Quality Thresholds for the Automatic Text Analysis of Retro-Digitized Comics
R. Hartel, A. Dunst, in: International Conference on Multimedia Modeling, MMM, Springer, 2019, pp. 662–671.
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2019 | Conference Abstract | LibreCat-ID: 15182
Multimodale Stilometrie: Herausforderungen und Potenzial kombinatorischer Bild- und Textanalysen am Beispiel Comics
A. Dunst, R. Hartel, in: DHd Konferenz 2019, Multimedial Und Multimodal, 2019.
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2019 | Conference Abstract | LibreCat-ID: 15186 LibreCat
 

2018 | Conference Paper | LibreCat-ID: 15081
RECUT: RE-Compressing partially Unordered Trees
S. Böttcher, R. Hartel, in: 2018 IEEE International Conference on Big Data (Big Data), 2018, pp. 3996–4005.
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2018 | Conference Paper | LibreCat-ID: 15082
Automated Genre and Author Distinction in Comics: Towards a Stylometry for Visual Narrative
A. Dunst, R. Hartel, in: Digital Humanities 2018: Book of Abstracts/Libro de Resúmenes, Red de Humanidades Digitales AC, 2018, pp. 184–187.
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2018 | Book Chapter | LibreCat-ID: 15160
The quantitative analysis of comics: Towards a visual stylometry of graphic narrative
A. Dunst, R. Hartel, in: A. Dunst, J. Laubrock, J. Wildfeuer (Eds.), Empirical Comics Research: Digital, Multimodal, and Cognitive Methods, Routledge, 2018, pp. 43–61.
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2018 | Conference Abstract | LibreCat-ID: 15183
Auf dem Weg zur Visuellen Stilometrie:Automatische Genre- und Autorunterscheidung in graphischen Narrativen
A. Dunst, R. Hartel, in: DHd Konferenz 2018, Kritik Der Digitalen Vernunft, DHd 2018, 2018.
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2017 | Conference Paper | LibreCat-ID: 15083
Corpora and Complex Networks as Cultural Critique: Investigating Race and Gender Bias in Graphic Narratives
A. Dunst, R. Hartel, in: Digital Humanities 2017, DH 2017, Conference Abstracts, 2017.
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2017 | Conference Paper | LibreCat-ID: 15084
The Graphic Narrative Corpus (GNC): Design, Annotation, and Analysis for the Digital Humanities
A. Dunst, R. Hartel, J. Laubrock, in: 2nd International Workshop on CoMics Analysis, Processing, and Understanding, 14th IAPR International Conference on Document Analysis and Recognition, ICDAR, IEEE, 2017, pp. 15–20.
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2017 | Conference Paper | LibreCat-ID: 15161
A column-oriented text database API implemented on top of wavelet tries
S. Böttcher, R. Hartel, J. Manuel, in: DBKDA 2017, 2017.
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2016 | Journal Article | LibreCat-ID: 6736
S2CX: From relational data via SQL/XML to (Un-)Compressed XML
S. Böttcher, R. Hartel, D. Wolters, Information Systems 56 (2016) 198–213.
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2016 | Conference Paper | LibreCat-ID: 15085
Corpus Analyses of Multimodal Narrative: The Example of Graphic Novels
A. Dunst, R. Hartel, S. Hohenstein, J. Laubrock, in: Digital Humanities 2016, DH 2016, Conference Abstracts, 2016, pp. 178–180.
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2016 | Conference Paper | LibreCat-ID: 15086
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.
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2016 | Conference Abstract | LibreCat-ID: 15184
Die Corpusanalyse multimodaler Erzählungen am Beispiel graphischer Romane
A. Dunst, R. Hartel, in: DHd-Tagung 2015, Modellierung - Vernetzung - Visualisierung, Die Digital Humanities Als Fächerübergreifendes Forschungsparadigma, 2016.
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2015 | Conference Paper | LibreCat-ID: 15087
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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2015 | Conference Paper | LibreCat-ID: 15088
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.
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2015 | Conference Abstract | LibreCat-ID: 15185
Digitale Analyse Graphischer Literatur
A. Dunst, R. Hartel, S. Hohenstein, J. Laubrock, in: DHd-Tagung 2015 - Von Daten Zu Erkenntnissen, 2015.
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2014 | Conference Paper | LibreCat-ID: 15089
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.
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2014 | Conference Paper | LibreCat-ID: 15090
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.
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2014 | Conference Paper | LibreCat-ID: 15092
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.
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2013 | Conference Paper | LibreCat-ID: 1093
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.
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2013 | Conference Paper | LibreCat-ID: 15093
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.
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2013 | Conference Paper | LibreCat-ID: 15094
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.
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2013 | Conference Paper | LibreCat-ID: 15162
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.
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2012 | Conference Paper | LibreCat-ID: 6742
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.
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2012 | Conference Paper | LibreCat-ID: 15095
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.
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2012 | Conference Paper | LibreCat-ID: 15096
Fast Insertion and Deletion in Compressed Texts
S. Böttcher, A. Bültmann, R. Hartel, J. Schlüßler, in: 2012 Data Compression Conference, IEEE, 2012, p. 393.
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2011 | Conference Paper | LibreCat-ID: 6740
Computing Compressed XML Data from Relational Databases
S. Böttcher, D. Bokermann, R. Hartel, in: Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, Springer Berlin/Heidelberg, 2011, pp. 209–220.
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2011 | Bachelorsthesis | LibreCat-ID: 1092
Parallele Kompression von XML mit XML-Schema-Subtraktion
M. Feldotto, Parallele Kompression von XML mit XML-Schema-Subtraktion, Universität Paderborn, 2011.
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2011 | Conference Paper | LibreCat-ID: 15097
Mixing Bottom-Up and Top-Down XPath Query Evaluation
M. Benter, S. Böttcher, R. Hartel, in: East European Conference on Advances in Databases and Information Systems, Springer, 2011, pp. 27–41.
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2011 | Conference Paper | LibreCat-ID: 15099
Updates on Grammar-Compressed XML Data
A. Bätz, S. Böttcher, R. Hartel, in: Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, Springer, 2011, pp. 154–166.
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2011 | Conference Paper | LibreCat-ID: 15100
TraCX: Transformation of Compressed XML
S. Böttcher, R. Hartel, S. Stey, in: Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, Springer, 2011, pp. 182–193.
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2011 | Conference Paper | LibreCat-ID: 15102
Search and Modification in Compressed Texts
S. Böttcher, A. Bültmann, R. Hartel, in: 2011 Data Compression Conference, IEEE, 2011, pp. 403–412.
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2011 | Conference Paper | LibreCat-ID: 15103
Enhancing XML-cache Efficiency by XML Compression
S. Böttcher, L. Fernhomberg, R. Hartel, in: WEBIST 2011, Proceedings of the 7th International Conference on Web Information Systems and Technologies, SciTePress, 2011, pp. 80–87.
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2011 | Conference Paper | LibreCat-ID: 15104
Reducing Data Transfer by Combining XML-Compression and XML-Caching
S. Böttcher, L. Fernhomberg, R. Hartel, in: Web Information Systems and Technologies - 7th International Conference, WEBIST 2011, Revised Selected Papers, Springer, 2011, pp. 116–130.
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2011 | Conference Abstract | LibreCat-ID: 15181
Namenlemmatisierung in der Web-Datenbank mittelalterlicher und frühneuzeitlicher Universitätsmatrikel
S. Böttcher, R. Hartel, H. Hawicks, in: XXIV ICOS Internationales Kongress Für Namensforschung, 2011.
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2010 | Conference Paper | LibreCat-ID: 15134
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.
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2010 | Conference Paper | LibreCat-ID: 15135
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.
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2010 | Conference Paper | LibreCat-ID: 15136
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.
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2010 | Conference Paper | LibreCat-ID: 15137
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.
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2009 | Journal Article | LibreCat-ID: 15076
Information disclosure by answers to XPath queries
S. Böttcher, R. Hartel, Journal of Computer Security 17 (2009) 69–99.
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2009 | Conference Paper | LibreCat-ID: 15138
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.
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2009 | Conference Paper | LibreCat-ID: 15139
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.
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2008 | Dissertation | LibreCat-ID: 15140
Navigierbare Kompression von XML-Datenströmen
R. Hartel, Navigierbare Kompression von XML-Datenströmen, University of Paderborn, Germany, 2008.
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2008 | Conference Paper | LibreCat-ID: 15141
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.
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2008 | Conference Paper | LibreCat-ID: 15142
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.
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2008 | Conference Paper | LibreCat-ID: 15143
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.
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2007 | Conference Paper | LibreCat-ID: 15144
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.
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2007 | Conference Paper | LibreCat-ID: 15146
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.
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2007 | Conference Paper | LibreCat-ID: 15147
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.
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2006 | Journal Article | LibreCat-ID: 2405
Reformulating XPath queries and XSLT queries on XSLT views
S. Groppe, S. Böttcher, G. Birkenheuer, A. Höing, Data & Knowledge Engineering 57 (2006) 64–110.
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2006 | Conference Paper | LibreCat-ID: 15150
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.
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2006 | Conference Paper | LibreCat-ID: 15151
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.
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2006 | Conference Paper | LibreCat-ID: 15152
Information Disclosure by XPath Queries
S. Böttcher, R. Steinmetz, in: Secure Data Management, Third VLDB Workshop, SDM 2006, Springer, 2006, pp. 160–174.
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2005 | Conference Paper | LibreCat-ID: 15153
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.
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2005 | Conference Paper | LibreCat-ID: 15155
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.
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2005 | Conference Paper | LibreCat-ID: 15156
Detecting Privacy Violations in Sensitive XML Databases
S. Böttcher, R. Steinmetz, in: Secure Data Management, Second VLDB Workshop, SDM 2005, Springer, 2005, pp. 143–154.
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2004 | Conference Paper | LibreCat-ID: 2416
Efficient Querying of Transformed XML Documents
S. Groppe, S. Böttcher, G. Birkenheuer, in: Proc. Int. Conf. on Enterprise Information Systems (ICEIS), 2004, pp. 241–250.
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2004 | Conference Paper | LibreCat-ID: 2417
Using XSLT Stylesheets to Transform XPath Queries
S. Groppe, S. Böttcher, R. Heckel, G. Birkenheuer, in: Proc. East-European Conf. on Advances in Databases and Information Systems (ADBIS), 2004.
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2004 | Conference Paper | LibreCat-ID: 15157
Optimized Internet Search Based on a Intersection Test for XPath Expressions under a DTD
S. Böttcher, R. Steinmetz, in: Proceedings of the International Conference on Internet Computing, IC ’04, 2004, pp. 587–593.
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2003 | Conference Paper | LibreCat-ID: 15077
Testing Containment of XPath Expressions in Order to Reduce the Data Transfer to Mobile Clients
S. Böttcher, R. Steinmetz, in: Advances in Databases and Information Systems, 7th East European Conference, ADBIS 2003, Springer, 2003, pp. 400–410.
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2003 | Conference Paper | LibreCat-ID: 15078
A DTD Graph Based XPath Query Subsumption Test
S. Böttcher, R. Steinmetz, in: Database and XML Technologies, First International XML Database Symposium, XSym 2003, Berlin, Heidelberg, 2003, pp. 85–99.
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2003 | Conference Paper | LibreCat-ID: 15158
A Subset Test for XPath Expressions under DTDs
S. Böttcher, R. Steinmetz, in: 20th British National Conference on Databases, BNCOD 20, Poster Papers, 2003, pp. 43–45.
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1985 | Journal Article | LibreCat-ID: 21607
Radargrammetric aspects of SAR data evaluation
J. Raggam, G. Triebnig, M. Buchroithner, G. Domik, F. Leberl, Thematic Applications of SAR Data (1985) 57.
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