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• Ch. Meinel, H. Sack:
  Internetworking - Technische Grundlagen und Anwendungen,
  Springer, Heidelberg (to appear: Oct 2011). 
  (Inhaltsverzeichnis, pdf)
   
   
   
   
  
  
• Ch. Meinel, H. Sack:
  Digitale Kommunikation: Vernetzen, Multimedia, Sicherheit
  Springer, Heidelberg (2009). 
  (Inhaltsverzeichnis, pdf)
   
   
   
   
  
  
• J. van Leeuwen, G. Italiano, W. van der Hoek, Ch. Meinel, H.Sack, F. Plášil (Hrsg.): 
  SOFSEM 2007: Theory and Practice of Computer Science, Lecture Notes in Computer Science, Bd. 4362, Springer Verlag, Berlin, Heidelberg, New York (2007).
  
  
  
  
  

• Ch. Meinel, H. Sack: 
  WWW - Kommunikation, Internetworking, Web Technologien, 
  Springer, Heidelberg (2004).

• N. Flores-Herr, H. Sack, K. Bossert:
  Suche in Multimediaarchiven von Kultureinrichtungen,
  in: D. Lewandowski: Handbuch Internet-Suchmaschinen 2 - Neue Entwicklungen in der Websuche, Akademische Verlagsgesellschaft AKA GmbH, Heidelberg, 2011, pp.113-140, ISBN: 978-3-89838-651-7. [local copy (PDF)]
   
• J. Hercher, A. Mitzscherlich, H. Sack: 
  Bestandsanalyse, Metadaten und Systematisierung,
  in A. Vogel, P. Effenberg (Eds.): Digitalisierungsfibel, Leitfaden für audiovisuelle Archive, Potsdam, Germany, transfermedia, 2011, pp. 82-101. [local copy (PDF) | citation (BibTex)]
   
• N. Flores-Herr, S. Eickeler, J. Nandzik, S. Paal, I. Konya, H. Sack: 
  Contentus – Next Generation Multimedia Library, 
  in L. Heuser, W. Wahlster (Eds.):  Internet der Dienste, Springer : Berlin ; Heidelberg, 2011, pp. 67-88, ISBN 978-3-642-21507-0. [local copy (PDF)]
    
• R. Landefeld, H. Sack: 
  Collaborative Web-Publishing with a Semantic Wiki,
  in: S. Schaffert, T. Pellegrini, K. Tochtermann, S. Auer: Networked Knowledge – Networked Media: Integrating Knowledge Management, New Media Technologies and Semantic Systems, Springer Verlag, Heidelberg/Berlin/New York, 2009, pp. 129-140, ISBN: 978-3-64202-183-1. [local copy (PDF)]
   
• J. Bross, H. Sack:
  Kommunikation, Partizipation und Wirkungen im Social Web,
  in: A. Zerfaß, M. Welker, J. Schmidt: Kommunikation, Partizipation und Wirkungen im Social Web, Band 2 der Neuen Schriften zur Online-Forschung, Deutsche Gesellschaft für Online-Forschung (Hrsg.), Herbert van Halem Verlag, Köln, 2008, pp. 265-280, ISBN: 978-3-93825-868-2. [local copy (PDF)]
  
  
• Ch. Meinel, H. Sack, A. Wagner:
  WWW.BDD-Portal.ORG: An Experimentation Platform for Binary Decision Diagram Algorithms
  In: Experimental Algorithmics - From Algorithm Design to Robust and Efficient Software, R. Fleischer, E. Meineche Schmidt, B. Moret, LNCS 2547, Springer Verlag, Berlin, Heidelberg, New York 2002, pp. 127-137, ISBN: 978-3-54000-346-5. [local copy (PDF)]
   
   

• J. Nandzik, B. Litz, A. Löhden, A. Heß, I. Konya, D. Baum, A. Bergholz, D. Schönfuß, C. Fey, J. Osterhoff, J. Waitelonis, H. Sack, R. Köhler, P. Ndjiki-Nya:
  CONTENTUS – Technologies for Next Generation Multimedia Libraries,
  AIEMPro ’10 Special Issue, Springer Multimedia Tools and Applications, 2011 (to appear)
  
  
• J. Waitelonis, N. Ludwig, M. Knuth, H. Sack:
   Whoknows? - Evaluating Linked Data Heuristics with a Quiz that cleans up DBpedia. International Journal of Interactive Technology and Smart Education (ITSE), Emerald Group, Bingley (UK), Vol. 8, 2011 (3). (ISSN: 1741-5659) [local copy (PDF) | citation (BibTex)]
   
• J. Waitelonis, H. Sack: 
  Towards exploratory video search using linked data,
   in Multimedia Tools and Applications, 1-28, Springer Netherlands, 2011, DOI: 10.1007/s11042-011-0733-1. [local copy (PDF)]
  
  
• H. Sack:
  Semantische Suche - Theorie und Praxis am Beispiel der Videosuchmaschine yovisto.com,
  in U. Hentgartner, A. Meier (Hrsg.): Web 3.0 & Semantic Web, HMD - Praxis der Wirtschaftsinformatik, Nr. 271, dpunkt Verlag Heidelberg, ISSN 1436-3011, Feb. 2010. [local copy (PDF)]
  
  
• J. Bross, H. Sack, Ch. Meinel:
  Encouraging Participation in Virtual Communities - The IT-Summit Blog Case,
  in IADIS Int. Journal on WWW/Internet, vol.5:2, 2007, pp. 113-129 (ISSN 1645-7641). [local copy (PDF)]
  
  
• E. Dubrova, H. Sack:
  Probabilistic equivalence checking of multiple-valued functions,
  Multiple Valued Logic - An International Journal, 2003.
  
  
• Ch. Meinel, H. Sack:
  Probabilistic Symbolic Simulation and Verification with Mod2-OBDDs,  
  in Electronic Notes in Theoretical Computer Science, vol. 22, 1999, pp. 156-170 , Elsevier B.V. (doi:10.1016/S1571-0661(05)80601-2).
   

2012 

• H.Yang, B. Quehl, H. Sack:
  A Skeleton Based Binarization Approach for Video Text Recognition, in 13th Int. Workshop on Image Analysis and Multimedia Interactive Services (WIAMIS 2012), May 23-25, 2012, Dublin (Ireland) [local copy (.pdf)] (to appear)
   
• C. Hentschel, J. Hercher, M. Knuth, J. Osterhoff, B. Quehl, H. Sack, N. Steinmetz, J. Waitelonis, H.Yang:
  Open Up Cultural Heritage in Video Archives with Mediaglobe, 12th International Conference on Innovative Internet Community Services (I2CS 2012), June 13-15, 2012, Trondheim (Norway) [local copy (.pdf)] (to appear)
   
• M. Knuth, J. Hercher, H. Sack:
  Collaboratively Patching Linked Data,2nd Int. Workshop on Usage Analysis and the Web of Data (USEWOD 2012),  co-located with the 21st International World Wide Web Conference 2012 (WWW 2012), April 17, 2012, Lyon (France) [local copy (.pdf)] (to appear)
   
• H. Yang, B. Quehl, H. Sack:
  Text detection in video images using adaptive edge detection and stroke width verification, 19th International Conference on Systems, Signals and Image Processing (IWSSIP 2012),  April 11-13, 2012, Vienna (Austria) [local copy (.pdf)] (to appear)
   
• J. Hercher, M. Ruhl, H. Sack:
  Quo vadis benutzergenerierte Metadaten?, in M. Ockenfeld, I. Peters, K. Weller (Eds.): Proc. of 2. DGI Konferenz 2012 - Social Media und Web Science - Das Web als Lebensraum, DGI, Frankfurt a. Main, 2012. ISBN: 978-3-9254745-72-9 [local copy (.pdf)]
   

2011 

• H. Yang, M. Siebert, P. Lühne, H. Sack, Ch. Meinel:
  Lecture Video Indexing and Analysis Using Video OCR Technology, 7th Int. Conf. on Signal Image Technology and Internet Based Systems (SITIS 2011), Track Internet Based Computing and Systems, Dijon (France), Nov.28 - Dec. 1, 2011. [local copy (.pdf)] (to appear)
   
• H. Yang, M. Siebert, P. Lühne, H. Sack, Ch. Meinel:
  Automatic Lecture Video Indexing Using Video OCR Technology, IEEE Int. Symposium on Multimedia 2011 (ISM 2011), Dana Point, CA, USA, Dec. 5-7, 2011.[local copy (.pdf)]
   
• L. Wolf, M. Knuth, J. Osterhoff, H. Sack:
  RISQ! Renowned Individuals Semantic Quiz – A Jeopardy like Quiz Game for Ranking Facts, 7th Int. Conference on Semantic Systems, ACM Int. Conf. Proc. Series, ACM Inc, (i-Semantics 2011), Graz (Austria), Sep. 7-9, 2011, pp.71-78. ISBN: 978-1-4503-0621-8 [local copy (.pdf)]
   
• Magnus Knuth, Nadine Ludwig, Lina Wolf, Harald Sack: 
   The Generation of User Interest Profiles from Semantic Quiz Games. In Proc. of The Second International Workshop on Mining Ubiquitous and Social Environments - MUSE 2011, Sept. 05, 2011, Athens, Greece, pp. 43-53.  [local copy | citation (BibTex)]
   
• J. Osterhoff, J. Waitelonis, J. Jäger, H. Sack:
  Sneak Preview? Instantly Know What To Expect In Faceted Browsing, Workshop Interaktion und Visualisierung im Daten-Web (IVDW 2011), im Rahmen der INFORMATIK 2011, Berlin, Oct. 4-7, 2011.[local copy (.pdf)]
   
• N. Ludwig, H. Sack: 
  Named Entity Recognition for User-Generated Tags. In Proc. of the 8th Int. Workshop on Text-based Information Retrieval (TIR 2011), in conjunction with DEXA 2011 (22nd Conference on Database and Expert System Applications), IRIT, Paul Sabatier University, Aug 29 - Sep 02, 2011, Toulouse, France. [local copy (.pdf)]
  
  
• N. Ludwig, J. Waitelonis, M. Knuth, H. Sack:
  WhoKnows? - Evaluating Linked Data Heuristics with a Quiz that Cleans Up DBpedia, 8th Extended Semantic Web Conference (ESWC 2011), May 29th - June 2nd 2011, Heraklion, Greece. [local copy (.pdf)] 
  
  
• J. Waitelonis, J. P. Osterhoff, H. Sack:
  More than the Sum of its Parts: CONTENTUS - A Semantic Multimodal Search User Interface, Workshop on Visual Interfaces to the Social and Semantic Web (VISSW2011), Co-located with ACM IUI 2011, Feb 13, 2011, Palo Alto, US, CEUR Workshop Proceedings, ISSN 1613-0073. [local copy (.pdf)]

2010 

• J. Waitelonis, M. Knuth, L. Wolf, J. Hercher, H. Sack:
   The Path is the Destination - Enabling a New Search Paradigm with Linked Data, Proceedings of the Workshop on Linked Data in the Future Internet at the Future Internet Assembly, December 16-17, 2010, Ghent, Belgium, CEUR Workshop Proceedings, ISSN 1613-0073. [local copy (.pdf)]
  
  
• J. Waitelonis, N. Ludwig, H. Sack:
  'Use What You Have -- Yovisto Video Search Engine Takes a Semantic Turn', in Proc. of 5th Int. Conf. on Semantic and Digital Media (SAMT 2010), December 1-3, 2010, DFKI Saarbrücken. [local copy (.pdf)]
   
• J. Waitelonis, H. Sack:
  Exploratory Video Search with yovisto, 4th IEEE International Conference on Semantic Computing (ICSC 2010), September 22-24, 2010, Carnegie Mellon University, Pittsburgh, PA, USA. [local copy (.pdf)]
  
  
• J. Hercher, H. Sack:
  Indexing Audiovisual Heritage in Germany by SKOSification of Existing Vocabularies, 9th European Workshop on Networked Organization Systems and Services 2010 (NKOS 2010) at 14th European Digital Library Conference (ECDL 2010), September 9-10, 2010, Glasgow, Scottland. [local copy (.pdf)]
  
  
• J. Waitelonis, H. Sack, Z. Kramer, J. Hercher:
  Semantically Enabled Exploratory Video Search, in Proc. of Semantic Search Workshop (SemSearch10) at the 19th Int. World Wide Web Conference (WWW2010), 26-30 April 2010, Raleigh, NC, USA, 2010. [local copy (.pdf)]
     

2009 

• J. Waitelonis, H. Sack: 
  Towards Exploratory Video Search by Using Linked Data, in Proc. of 2nd IEEE International Workshop on Data Semantics for Multimedia Systems and Applications (DSMSA2009), in conjunction with IEEE International Symposium on Multimedia (ISM2009), December 14-16, 2009, San Diego, California, USA, 2009, pp. 540-545 (ISBN 978-0-7695-3890-7). [local copy (.pdf)]
  
  
• M. Quasthoff, H. Sack, Ch. Meinel: 
  How To Simplify Building Semantic Web Applications, In Proc. of the 5th International Workshop on Semantic Web Enabled Software Engineering (SWESE2009), in conjunction with 8th Int. Semantic Web Conference (ISWC 2009), 25-29 October 2009, Washington, DC, 2009, pp. 45-57. [local copy (.pdf)]
   
• J. Waitelonis, H. Sack: 
  Augmenting Video Search with Linked Open Data, in Proc. of International Conference on Semantic Systems 2009 (i-semantics 2009), September, 2-4, 2009, Graz, Journal of Universal Computer Science, Verlag der TU Graz, Austria, 2009 (ISBN 978-3-85125-060-2). [local copy (.pdf)]
  
  
• M. Quasthoff, H. Sack, Ch. Meinel: 
  Can Software Developers Use Linked Data Vocabulary?, in Proc. of International Conference on Semantic Systems 2009 (i-semantics 2009), September, 2-4, 2009, Graz, Journal of Universal Computer Science, Verlag der TU Graz, Austria, 2009 (ISBN 978-3-85125-060-2). [local copy (.pdf)]
  
  
• B. Baumann, A. Gross , H. Sack, Ch. Meinel: 
  Linking tele-TASK video portal to the Semantic Web, in Ch. Erfurth, G. Eichler, V. Schau (Eds.): Proc. of 9 th International Conference on Innovative Internet Community Systems (I2CS09), June 15-17, 2009, Jena, Germany, Lecture Notes in Informatics, LNI vol. P-148, Gesellschaft für Informatik, Bonn, 2009, pp. 205-216 (ISBN 978-3-88579-242-0). [local copy (.pdf)]
  
  

2008

• M. Quasthoff , H. Sack, Ch. Meinel:
  Who Reads and Writes the Social Web? A Security Architecture for Web 2.0 Applications,
  in Proc. of 3rd International Conference on Internet and Web Applications and Services (ICIW 08), June 8-.13, 2008, Athens, Greece, pp. 576-582, (ISBN 978-0-7695-3163-2).
  
  
• G. Matthias,  J. Waitelonis, H. Sack:
   Quality-Improvement of University Seminars through Enhanced Podcasts on yovisto.com, in S. Hambach, A. Martens, and B. Urban (eds.) Proc. of E-Learning Baltics (eLBa 2008), June 17-19, Rostock, Germany, 2008, pp. 189-200, (ISBN 978-3-8167-7781-6).
    
   
• J. Waitelonis, H. Sack, Ch. Meinel:
  Zeitbezogene kollaborative Annotation zur Verbesserung der inhaltsbasierten Videosuche,
  in: Birgit Gaiser and Thorsten Hampel and Stefanie Panke (eds.): Good Tags and Bad Tags - Workshop „Social Tagging in der Wissensorganisation“, Waxmann, 2008, pp. 107-117, (ISBN 978-3-8309-2039-7).
  
  
• M. Quasthoff , H. Sack, Ch. Meinel:
  Nutzerfreundliche Internet-Sicherheit durch tagbasierte Zugriffskontrolle,
  in: Birgit Gaiser and Thorsten Hampel and Stefanie Panke (eds.): Good Tags and Bad Tags - Workshop „Social Tagging in der Wissensorganisation“, Waxmann, 2008, 211-221 (ISBN 978-3-8309-2039-7).
   

2007

• S. Linckels , H. Sack, Ch. Meinel:
  Retrieval Optimization of Pertinent Answers for NL Questions with the E-Librarian Service,
  in Proc. of 6th International Semantic Web Conference (ISWC 2007), Busan, Korea, 2007.
  in a more explicit version the paper also appears at Service Matchmaking and Resource Retrieval (SMR2) in the Semantic Web Workshop at ISWC+ASWC 2007.
   
• S. Repp , J. Waitelonis, H. Sack, Ch. Meinel:
  Segmentation and Annotation of Audiovisual Recordings based on Automated Speech Recognition ,
  in Proc. of 8th Int. Conf. on Intelligent Data Eng. and Automated Learning (IDEAL 2007), Springer LNCS 4881, Birmingham, UK, December 2007. pp. 620 - 629, ISBN: 978-3-540-77225-5. 
   
• M. Quasthoff , H. Sack, Ch. Meinel:
  Why HTTPS is Not Enough -- A Signature-Based Architecture for Trusted Content on the Social Web,
  in Proc. of the 2007 IEEE / WIC /ACM Int. Conf. on Web Intelligence (WI 2007), IEEE Press, Silicon Valley, USA, November 2007. pp. 820 - 824. ISBN: 0-7695-3026-5.
  
  
• R. Landefeld, H. Sack:
  Collaborative Web-Publishing with a Semantik Wiki,
  in Proc. of SABRE Conference on Social Semantic Web (CSSW 2007), Leipzig, 2007.
   
• C. Beckstein, J. Denzler, M. Fothe, B. König-Ries, H. Sack, and J. Vogel:
  A Reactive Architecture for Ambient E-Learning,
  in Proc. of Towards Ambient Intelligence: Methods for Cooperating Ensembles in Ubiquitous Environments (AIM-CU 2007), 2007.
   
• R. Landefeld, H. Sack:
  Maariwa - Ontologie-basiertes Web-Publishing mit einem Semantic Wiki,
  in XML-Tage 2007 Berlin, 2007.
  
  
• H. Sack, J. Waitelonis:
   OSOTIS - kollaborative, inhaltsbasierte Video-Suche,
  in Proc. of 5. e-Learning Fachtagung Informatik, DeLFI 2007, Siegen, Lecture Notes in Informatics, P-111, Köllen, Bonn, 2007, pp. 281--292.
   
• J. Bross, H. Sack:
   Encouraging Participation in Virtual Communities: The "IT-summit-blog" Case ,
  in Proc. of IADIS Int. Conf. e-Society 2007, Lisboa, Portugal, July 2007. pp. 245 - 254, ISBN:978-972-8924-35-5.
   

2006

• H. Sack, J. Waitelonis:
  Integrating Social Tagging and Document Annotation for Content-Based Search in Multimedia Data,
  in Proc. of the 1st Semantic Authoring and Annotation Workshop (SAAW2006), Athens (GA), USA, 2006.
   
• H. Peter, H. Sack, C. Beckstein:
  Tags and Dependencies: an Integrated View of Document Annotation,
  in Proc. of the 1st Semantic Authoring and Annotation Workshop (SAAW2006), Athens (GA), USA, 2006.
   
• H. Sack:
  Kollaborative Indexierung und die Emergenz neuer sozialer Netzwerke,
  Workshop Social Software in der Wertschöpfungskette, MFG Baden-Württemberg GmbH Kompetenzzentrum des Landes für Informationstechnologie und Medien, 2006.
   
• H. Peter, H. Sack, C. Beckstein:
  Document Indexing - Providing a Basis for Semantic Document Annotation,
  XML-Tage 2006, Berlin, September 2006.
   
• H. Sack, U. Krüger, M. Dom:
  A Knowledge Base on NP-complete Decision Problems and its Application in Bibliographic Search,
  XML-Tage 2006, Berlin, September 2006.
   
• H. Sack, J. Waitelonis:
  Automated Annotations of Synchronized Multimedia Presentations,
  in Proceedings of Mastering the Gap : From Information Extraction to Semantic Representation (MTG06 / ESWC2006), Budva, Montenegro, June 12, 2006.
   
• C. Beckstein, P. Dittrich, Ch. Erfurth, D. Fey, B. König-Ries, M. Mundhenk, H. Sack:
  SOGOS - A Distributed Meta Level Architecture for the Self-Organizing Grid of Services,
  in Proceedings of MOSO 2006 - Mobile Services and Ontologies, Nara, Japan, May, 9th , 2006.
   
• H. Peter , H. Sack, C. Beckstein:
  SmartIndexer - Amalgamating Ontologies and Lexical Resources for Document Indexing, 
  in Proceedings of OntoLex 2006 - Interfacing Ontologies and Lexical Resources for Semantic Web Technologies, Genoa, Italy, May, 24-26, 2006
   

2005

• H. Sack:
  NPBibSearch: An Ontology Augmented Bibliographic Search,
  in Proceedings of SWAP 2005, the 2nd Italian Semantic Web
  Workshop, Trento, Italy, December 14-16, 2005, CEUR Workshop Proceedings,ISSN 1613-0073, online ceur-ws.org/Vol-166/28.pdf.
  
  

2003

• Ch. Meinel, H. Sack:
  Adapted Variable Reordering for Parity-OBDDs,
  in Proc. of 6th Int. Symposium on Representations and Methodology of Future Computing Technologies (Reed-Muller 2003),Unversität Trier, Trier, Germany, 2003, pp. 135-144.
  
  

2002

• Ch. Meinel, H. Sack, V. Schillings:
  VisBDD: A Web-based Visualization Framework for OBDD Algorithms,
  in Proc. of IEEE/ACM Int. Worshop of Logic and Synthesis (IWLS2002), New Orleans, USA, 2002, pp.385-390.
   

2001

• Ch. Meinel, H. Sack, V. Schillings:
  IDDS: An Interactive Decentraliced Documentation System, 
  in Proc. of ACM SIGDOC 2001 Santa Fe, NM, USA, 2001.
  
  
• Ch. Meinel, H. Sack:
  Improving XOR-node Placement for Mod2-OBDD Minimization,
  in Proc. of 5th Int. Workshop on Applications of the Reed-Muller Expansion in Circuit Design (Reed-Muller 2001),Mississippi State University, Starkville, Mississippi, USA, 2001, pp. 51-56.
  
  
• Ch. Meinel, H. Sack:
  A Simple Heuristic for Mod2-OBDD Minimization
  Proc. of IEEE/ACM Int. Workshop of Logic and Synthesis (IWLS2001) Lake Tahoe, CA, USA, 2001, pp. 304-309.
  
  

2000

• H. Sack, E. Dubrova, Ch. Meinel:
  Representation of Multiple-Valued Functions with Mod-p-Decsion Diagrams,
  in Proc. of IEEE/ACM Int. Workshop of Logic Synthesis (IWLS2000), Dana Point, CA, USA, 2000, pp. 341-348.
   
• H. Sack, E. Dubrova, Ch. Meinel:
  Mod-p Decision Diagrams: A Data-Structure for Multiple-Valued Functions,  
  in Proc. of 30th IEEE International Symposium on Multiple-Valued-Logic (ISMVL 2000), Portland, Oregon, USA, 2000, pp. 233-238.
  
  
• E. Dubrova, H. Sack:  
  Probabilistic Verification of Multiple-Valued Functions,  
  in Proc. of 30th IEEE International Symposium on Multiple-Valued-Logic (ISMVL 2000), Portland, Oregon, USA, 2000, pp. 460-466.
   
• Ch. Meinel, H. Sack:
  Functional Extensions of OBDDs in Practice,  
  in Proc. of 4th Workshop on Tools for System Design and Verification (FM-Tools), Reisensburg Castle, Germany, 2000, pp. 195-196.
   

1999

• Ch. Meinel, H. Sack, C. Stangier:  
  Overcoming Ordering Restrictions for Synthesizing Binary Decision Diagrams,  
  in Proc of 17th NORCHIP '99 Conference,   Oslo, Norway 1999, pp. 52-60.
   
• Ch. Meinel, H. Sack:  
  Algorithmic Considerations for Parity-OBDD Reordering,  
  in Proc. of the 1999 IEEE/ACM Int. Workshop on Logic Synthesis (IWLS99), Lake Tahoe, CA, 1999, pp.71-74 and
  Proc. of 4th Int. Workshop on Applications of the Reed-Muller Expansion in Circuit Design (Reed-Muller'99), Victoria, B.C., Canada, 1999, pp. 179-184.

1998

• J. Bern, Ch. Meinel, H. Sack:  
  The STACS Electronic Submission Service,  
  in Proc. ECDL 1998 Lecture Notes in Computer Science, Vol. 1513, Springer, Heraklion, Crete, Greece, 1998, pp. 639-640, ISBN: 978-3-540-65101-7.
  
  
• J. Bern, Ch. Meinel, H. Sack:  
  Electronic Colloquia: Idea and Practice,  
  Proc. of the ACM SIGDOC 1998 Conference, Quebec City, Canada, 1998.
  
  
• G. Cabodi, S. Quer, Ch. Meinel, H. Sack, A. Slobodova, Ch. Stangier:  
  Binary Decision Diagrams and the Multiple Variable Order Problem,  
  Proc. of the 1998 IEEE/ACM Int. Workshop on Logic Synthesis (IWLS98), Lake Tahoe, CA, 1998, pp. 346-352.
   
• Ch. Meinel, H. Sack:
  Mod2OBDDs - a BDD Structure for Probabilistic Verification,  
  Proc. of the 1998 IEEE/ACM Int. Workshop on Logic Synthesis (IWLS98), Lake Tahoe, CA, 1998.
   

1997

• Ch. Meinel, H. Sack: Case Study:
  Manipulating Mod2OBDDs by Means of Signatures,  
  in Proc. of the 3rd Int. Workshop on Applications of the Reed-Muller Expansion in Circuit Design (Reed-Muller'97), Oxford, UK, 1997.

Invited Articles in Journals and other Publications

• Christoph Meinel, Harald Sack (Hrsg.): Dritter Deutscher IPv6 Gipfel 2010. Technischer Bericht Nr. 39 (2010), Hasso-Plattner-Institut, ISBN 978-3-86956-092-2
   
• H. Sack: Such-Trends im World Wide Web, DOK - Technologien, Strategien & Services für das digitale Dokument, Ausgabe #3-09, September 2009.
   
• B. Baumann, Ch. Meinel, H. Sack, C. Willems, H. Kaprykowsky: Metadatenerfassung, Kompendium und Arbeitspapier zum Innovationsforum "CineArchiv digital" - Digitalisierung, Erschließung und Nutzung audiovisueller Materialien, März 2009.
   
• Christoph Meinel, Harald Sack, Justus Broß (Hrsg.): Erster Deutscher IPv6 Gipfel 2008. Technischer Bericht Nr. 24 (2008), Hasso-Plattner-Institut, ISBN 978-3-940793-45-4