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68 Publications


2021 | Conference Paper | LibreCat-ID: 21378
R. Hartel and A. Dunst, “An OCR Pipeline and Semantic Text Analysis for Comics,” in MANPU 2020: The 4th International Workshop on coMics ANalysis, Processing and Understanding@Pattern Recognition. ICPR International Workshops and Challenges, 2021.
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2021 | Journal Article | LibreCat-ID: 23466
A. Dunst and R. Hartel, “Computing Literary Surplus Value: Alan Moore and the Density of the Comic Book as Graphic Novel,” Anglia, vol. 139, no. 1, pp. 195–223, 2021.
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2020 | Conference Paper | LibreCat-ID: 18038
S. Böttcher, R. Hartel, and S. Peeters, “QSGG: query simulation in grammar-compressed graphs,” in Proceedings of The International Workshop on Semantic Big Data, 2020.
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2020 | Conference Paper | LibreCat-ID: 18039
S. Böttcher, R. Hartel, and S. Peeters, “Pattern Search in Grammar-Compressed Graphs,” in 2020 Data Compression Conference (DCC) (Poster), 2020.
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2019 | Conference Paper | LibreCat-ID: 15080
R. Hartel and A. Dunst, “How Good Is Good Enough? Establishing Quality Thresholds for the Automatic Text Analysis of Retro-Digitized Comics,” in International Conference on Multimedia Modeling, MMM, Thessaloniki, Greece, 2019, pp. 662–671.
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2019 | Conference Abstract | LibreCat-ID: 15182
A. Dunst and R. Hartel, “Multimodale Stilometrie: Herausforderungen und Potenzial kombinatorischer Bild- und Textanalysen am Beispiel Comics,” in DHd Konferenz 2019, multimedial und multimodal, 2019.
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2019 | Conference Abstract | LibreCat-ID: 15186
A. Dunst and R. Hartel, “Quantifying Complexity in Multimodal Media: AlanMoore and the ‘Density’ of the Graphic Novel,” in Digital Humanities, DH 2019, 2019.
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2018 | Conference Paper | LibreCat-ID: 15081
S. Böttcher and R. Hartel, “RECUT: RE-Compressing partially Unordered Trees,” in 2018 IEEE International Conference on Big Data (Big Data), 2018, pp. 3996–4005.
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2018 | Conference Paper | LibreCat-ID: 15082
A. Dunst and R. Hartel, “Automated Genre and Author Distinction in Comics: Towards a Stylometry for Visual Narrative,” in Digital Humanities 2018: Book of Abstracts/Libro de resúmenes, 2018, pp. 184–187.
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2018 | Book Chapter | LibreCat-ID: 15160
A. Dunst and R. Hartel, “The quantitative analysis of comics: Towards a visual stylometry of graphic narrative,” in Empirical Comics Research: Digital, Multimodal, and Cognitive Methods, A. Dunst, J. Laubrock, and J. Wildfeuer, Eds. Routledge, 2018, pp. 43–61.
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2018 | Conference Abstract | LibreCat-ID: 15183
A. Dunst and R. Hartel, “Auf dem Weg zur Visuellen Stilometrie:Automatische Genre- und Autorunterscheidung in graphischen Narrativen,” in DHd Konferenz 2018, Kritik der digitalen Vernunft, DHd 2018, 2018.
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2017 | Conference Paper | LibreCat-ID: 15083
A. Dunst and R. Hartel, “Corpora and Complex Networks as Cultural Critique: Investigating Race and Gender Bias in Graphic Narratives,” in Digital Humanities 2017, DH 2017, Conference Abstracts, 2017.
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2017 | Conference Paper | LibreCat-ID: 15084
A. Dunst, R. Hartel, and J. Laubrock, “The Graphic Narrative Corpus (GNC): Design, Annotation, and Analysis for the Digital Humanities,” in 2nd International Workshop on coMics Analysis, Processing, and Understanding, 14th IAPR International Conference on Document Analysis and Recognition, ICDAR, 2017, vol. 3, pp. 15–20.
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2017 | Conference Paper | LibreCat-ID: 15161
S. Böttcher, R. Hartel, and J. Manuel, “A column-oriented text database API implemented on top of wavelet tries,” in DBKDA 2017, 2017.
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2016 | Journal Article | LibreCat-ID: 6736
S. Böttcher, R. Hartel, and D. Wolters, “S2CX: From relational data via SQL/XML to (Un-)Compressed XML,” Information Systems, vol. 56, pp. 198–213, 2016.
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2016 | Conference Paper | LibreCat-ID: 15085
A. Dunst, R. Hartel, S. Hohenstein, and J. Laubrock, “Corpus Analyses of Multimodal Narrative: The Example of Graphic Novels,” in Digital Humanities 2016, DH 2016, Conference Abstracts, 2016, pp. 178–180.
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2016 | Conference Paper | LibreCat-ID: 15086
S. Böttcher, R. Hartel, T. Jacobs, and S. Maneth, “Incremental updates on compressed XML,” in 2016 IEEE 32nd International Conference on Data Engineering (ICDE), 2016, pp. 1026–1037.
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2016 | Conference Abstract | LibreCat-ID: 15184
A. Dunst and R. Hartel, “Die Corpusanalyse multimodaler Erzählungen am Beispiel graphischer Romane,” in DHd-Tagung 2015, Modellierung - Vernetzung - Visualisierung, Die Digital Humanities als fächerübergreifendes Forschungsparadigma, 2016.
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2015 | Conference Paper | LibreCat-ID: 15087
S. Böttcher, R. Hartel, T. Jacobs, and S. Maneth, “OnlineRePair: A Recompressor for XML Structures,” in 2015 Data Compression Conference, 2015, p. 439.
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2015 | Conference Paper | LibreCat-ID: 15088
S. Böttcher, R. Hartel, T. Jacobs, and M. Jeromin, “ECST – Extended Context-Free Straight-Line Tree Grammars,” in Data Science - 30th British International Conference on Databases, BICOD 2015, 2015, pp. 186–198.
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2015 | Conference Abstract | LibreCat-ID: 15185
A. Dunst, R. Hartel, S. Hohenstein, and J. Laubrock, “Digitale Analyse Graphischer Literatur,” in DHd-Tagung 2015 - Von Daten zu Erkenntnissen, 2015.
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2014 | Conference Paper | LibreCat-ID: 15089
S. Böttcher, R. Hartel, and S. Thiele, “Difference Computation for Grammar-Compressed XML Data,” in Proceedings of the Second Australasian Web Conference, 2014, pp. 3–12.
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2014 | Conference Paper | LibreCat-ID: 15090
S. Böttcher, M. Brandenburg, and R. Hartel, “Keyword Search on DAG-Compressed XML Data,” in Proceedings of the Second Australasian Web Conference, 2014, pp. 13–20.
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2014 | Conference Paper | LibreCat-ID: 15092
S. Böttcher, R. Hartel, and J. Rabe, “Efficient XML Keyword Search Based on DAG-Compression,” in Database and Expert Systems Applications - 25th International Conference, DEXA 2014, 2014, pp. 122–137.
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2013 | Conference Paper | LibreCat-ID: 1093
S. Böttcher, M. Feldotto, and R. Hartel, “Schema-based Parallel Compression and Decompression of XML Data,” 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
S. Böttcher, R. Hartel, and T. Jacobs, “Fast Multi-update Operations on Compressed XML Data,” in Big Data - 29th British National Conference on Databases, BNCOD 2013, 2013, pp. 149–164.
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2013 | Conference Paper | LibreCat-ID: 15094
S. Böttcher, M. Brandenburg, and R. Hartel, “DAG - Index - A Compressed Index for XML Keyword Search,” in WEBIST 2013 - Proceedings of the 9th International Conference on Web Information Systems and Technologies, 2013, pp. 137–140.
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2013 | Conference Paper | LibreCat-ID: 15162
S. Böttcher, A. Bültmann, R. Hartel, and J. Schlüßler, “Implementing Efficient Updates in Compressed Big Text Databases,” in International Conference on Database and Expert Systems Applications, 2013, pp. 189–202.
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2012 | Conference Paper | LibreCat-ID: 6742
S. Böttcher, D. Bokermann, and R. Hartel, “Generalizing and Improving SQL/XML Query Evaluation,” in 8th International Conference on Signal Image Technology and Internet Based Systems (SITIS’12), 2012.
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2012 | Conference Paper | LibreCat-ID: 15095
S. Böttcher, R. Hartel, and S. Weber, “Efficient String-Based XML Stream Prefiltering,” in Proceedings of the Twenty-Third Australasian Database Conference, 2012, pp. 145–152.
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2012 | Conference Paper | LibreCat-ID: 15096
S. Böttcher, A. Bültmann, R. Hartel, and J. Schlüßler, “Fast Insertion and Deletion in Compressed Texts,” in 2012 Data Compression Conference, 2012, p. 393.
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2011 | Conference Paper | LibreCat-ID: 6740
S. Böttcher, D. Bokermann, and R. Hartel, “Computing Compressed XML Data from Relational Databases,” in Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, 2011, vol. 7051, pp. 209–220.
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2011 | Bachelorsthesis | LibreCat-ID: 1092
M. Feldotto, Parallele Kompression von XML mit XML-Schema-Subtraktion. Universität Paderborn, 2011.
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2011 | Conference Paper | LibreCat-ID: 15097
M. Benter, S. Böttcher, and R. Hartel, “Mixing Bottom-Up and Top-Down XPath Query Evaluation,” in East European Conference on Advances in Databases and Information Systems, 2011, pp. 27–41.
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2011 | Conference Paper | LibreCat-ID: 15099
A. Bätz, S. Böttcher, and R. Hartel, “Updates on Grammar-Compressed XML Data,” in Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, 2011, pp. 154–166.
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2011 | Conference Paper | LibreCat-ID: 15100
S. Böttcher, R. Hartel, and S. Stey, “TraCX: Transformation of Compressed XML,” in Advances in Databases - 28th British National Conference on Databases, BNCOD 28, Revised Selected Papers, 2011, pp. 182–193.
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2011 | Conference Paper | LibreCat-ID: 15102
S. Böttcher, A. Bültmann, and R. Hartel, “Search and Modification in Compressed Texts,” in 2011 Data Compression Conference, 2011, pp. 403–412.
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2011 | Conference Paper | LibreCat-ID: 15103
S. Böttcher, L. Fernhomberg, and R. Hartel, “Enhancing XML-cache Efficiency by XML Compression,” in WEBIST 2011, Proceedings of the 7th International Conference on Web Information Systems and Technologies, 2011, pp. 80–87.
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2011 | Conference Paper | LibreCat-ID: 15104
S. Böttcher, L. Fernhomberg, and R. Hartel, “Reducing Data Transfer by Combining XML-Compression and XML-Caching,” in Web Information Systems and Technologies - 7th International Conference, WEBIST 2011, Revised Selected Papers, 2011, pp. 116–130.
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2011 | Conference Abstract | LibreCat-ID: 15181
S. Böttcher, R. Hartel, and H. Hawicks, “Namenlemmatisierung in der Web-Datenbank mittelalterlicher und frühneuzeitlicher Universitätsmatrikel,” in XXIV ICOS Internationales Kongress für Namensforschung, 2011.
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2010 | Conference Paper | LibreCat-ID: 15134
S. Böttcher, R. Hartel, and C. Messinger, “Queryable SEPA Message Compression by XML Schema Subtraction,” 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
S. Böttcher, R. Hartel, and C. Krislin, “CluX - Clustering XML Sub-trees,” 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
S. Böttcher, R. Hartel, and C. Messinger, “Using XML Schema Subtraction to Compress Electronic Payment Messages,” in Enterprise Information Systems - 12th International Conference, ICEIS 2010, Revised Selected Papers, 2010, pp. 451–463.
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2010 | Conference Paper | LibreCat-ID: 15137
S. Böttcher, R. Hartel, and C. Messinger, “Searchable Compression of Office Documents by XML Schema Subtraction,” in Database and XML Technologies - 7th International XML Database Symposium, XSym 2010, 2010, pp. 103–112.
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2009 | Journal Article | LibreCat-ID: 15076
S. Böttcher and R. Hartel, “Information disclosure by answers to XPath queries,” Journal of Computer Security, vol. 17, no. 1, pp. 69–99, 2009.
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2009 | Conference Paper | LibreCat-ID: 15138
S. Böttcher and R. Hartel, “CSC: Supporting Queries on Compressed Cached XML,” in Database Technologies 2009, Twentieth Australasian Database Conference, ADC 2009, 2009, pp. 153–160.
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2009 | Conference Paper | LibreCat-ID: 15139
S. Böttcher, R. Hartel, and C. Messinger, “XML Stream Data Reduction by Shared KST Signatures,” in 2009 42nd Hawaii International Conference on System Sciences, 2009.
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2008 | Dissertation | LibreCat-ID: 15140
R. Hartel, Navigierbare Kompression von XML-Datenströmen. University of Paderborn, Germany, 2008.
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2008 | Conference Paper | LibreCat-ID: 15141
S. Böttcher, R. Hartel, and M. Kirschner, “Detecting Suspicious Relational Database Queries,” in Third International Conference on Availability, Reliability and Security, 2008, pp. 771–778.
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2008 | Conference Paper | LibreCat-ID: 15142
S. Böttcher, R. Hartel, and C. Heinzemann, “BSBC: Towards a Succinct Data Format for XML Streams,” in WEBIST 2008, Proceedings of the Fourth International Conference on Web Information Systems and Technologies, 2008, pp. 13–21.
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2008 | Conference Paper | LibreCat-ID: 15143
S. Böttcher, R. Hartel, and C. Heinzemann, “Compressing XML Data Streams with DAG+BSBC,” in Web Information Systems and Technologies, 4th International Conference, WEBIST 2008, Revised Selected Papers, 2008, pp. 65–79.
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2007 | Conference Paper | LibreCat-ID: 15144
S. Böttcher and R. Steinmetz, “Evaluating XPath Queries on XML Data Streams,” in Data Management. Data, Data Everywhere, 24th British National Conference on Databases, BNCOD 24, 2007, pp. 101–113.
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2007 | Conference Paper | LibreCat-ID: 15146
S. Böttcher and R. Steinmetz, “Data Management for Mobile Ajax Web 2.0 Applications,” in Database and Expert Systems Applications, 18th International Conference, DEXA 2007, 2007, pp. 424–433.
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2007 | Conference Paper | LibreCat-ID: 15147
S. Böttcher, R. Steinmetz, and N. Klein, “XML index compression by DTD subtraction,” 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
S. Groppe, S. Böttcher, G. Birkenheuer, and A. Höing, “Reformulating XPath queries and XSLT queries on XSLT views,” Data & Knowledge Engineering, vol. 57, no. 1, pp. 64–110, 2006.
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2006 | Conference Paper | LibreCat-ID: 15150
S. Böttcher and R. Steinmetz, “DTD-Driven Structure Preserving XML Compression,” in Flexible and Efficient Information Handling, 23rd British National Conference on Databases, BNCOD 23, 2006, pp. 266–269.
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2006 | Conference Paper | LibreCat-ID: 15151
S. Böttcher and R. Steinmetz, “Finding the Leak: A Privacy Audit System for Sensitive XML Databases,” in 22nd International Conference on Data Engineering Workshops (ICDEW’06), 2006.
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2006 | Conference Paper | LibreCat-ID: 15152
S. Böttcher and R. Steinmetz, “Information Disclosure by XPath Queries,” in Secure Data Management, Third VLDB Workshop, SDM 2006, 2006, pp. 160–174.
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2005 | Conference Paper | LibreCat-ID: 15153
S. Böttcher and R. Steinmetz, “Adaptive XML Access Control Based on Query Nesting, Modification and Simplification,” 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
S. Böttcher and R. Steinmetz, “Embedding XML Schema Constraints in Search-Based Intersection Tests for XPath Query Optimization,” in 16th International Workshop on Database and Expert Systems Applications (DEXA’05), 2005, pp. 842–846.
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2005 | Conference Paper | LibreCat-ID: 15156
S. Böttcher and R. Steinmetz, “Detecting Privacy Violations in Sensitive XML Databases,” in Secure Data Management, Second VLDB Workshop, SDM 2005, 2005, pp. 143–154.
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2004 | Conference Paper | LibreCat-ID: 2416
S. Groppe, S. Böttcher, and G. Birkenheuer, “Efficient Querying of Transformed XML Documents,” in Proc. Int. Conf. on Enterprise Information Systems (ICEIS), 2004, pp. 241–250.
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2004 | Conference Paper | LibreCat-ID: 2417
S. Groppe, S. Böttcher, R. Heckel, and G. Birkenheuer, “Using XSLT Stylesheets to Transform XPath Queries,” in Proc. East-European Conf. on Advances in Databases and Information Systems (ADBIS), 2004.
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2004 | Conference Paper | LibreCat-ID: 15157
S. Böttcher and R. Steinmetz, “Optimized Internet Search Based on a Intersection Test for XPath Expressions under a DTD,” 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
S. Böttcher and R. Steinmetz, “Testing Containment of XPath Expressions in Order to Reduce the Data Transfer to Mobile Clients,” in Advances in Databases and Information Systems, 7th East European Conference, ADBIS 2003, 2003, pp. 400–410.
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2003 | Conference Paper | LibreCat-ID: 15078
S. Böttcher and R. Steinmetz, “A DTD Graph Based XPath Query Subsumption Test,” in Database and XML Technologies, First International XML Database Symposium, XSym 2003, 2003, pp. 85–99.
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2003 | Conference Paper | LibreCat-ID: 15158
S. Böttcher and R. Steinmetz, “A Subset Test for XPath Expressions under DTDs,” 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
J. Raggam, G. Triebnig, M. Buchroithner, G. Domik, and F. Leberl, “Radargrammetric aspects of SAR data evaluation,” Thematic Applications of SAR data, p. 57, 1985.
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