Publications and reports

All scientific papers, reports, and edited works (written in English) by Henning Christiansen


Troels Andreasen, Henning Christiansen, Christian Theil Have. Querying Sentiment Development Over Time. Proceedings of FQAS 2013; to appear in Springer LNCS, 2013.

Christian Theil Have, Sine Zambach, Henning Christiansen: Effects of using coding potential, sequence conservation and mRNA structure conservation for predicting pyrrolysine containing genes. BMC Bioinformatics 14: 118 (2013)

Matje van de Camp, Henning Christiansen Resolving relative time expressions in Dutch text with Constraint Handling Rules. Proceedings of Constraint Solving and Language Processing (CSLP) workshop, Orlˇans, 13-14 September 2012. (forthcoming; LNCS - 2013)

Henning Christiansen An adaptation of Constraint Handling Rules for Interactive and Intelligent Installations. Proceedings of the Ninth International Workshop on Constraint Handling Rules, Budapest. Katholieke Universiteit Leuven. Department of Computer Science, Report CW 624 (eds. J. Sneyers, T. Frühwirth), pp. 1-15, 2012. Available as pdf.

Henning Christiansen, Christian Theil Have, Ole Torp Lassen, Matthieu Petit. A Declarative Pipeline Language for Complex Data Analysis. In: Logic-Based Program Synthesis and Transformation, 22nd International Symposium, LOPSTR 2012, Leuven, Belgium, September 18-20, 2012, Revised Selected Papers (ed. E. Albert). Springer LNCS vol. 7844, pp. 17-34, 2013.

Henning Christiansen. An exposition of abductive reasoning through logic programming with constraints. Presentation at SLS 2012, the Scandinavian Logic Symposium, Roskilde, Denmark, August 20-21, 2012. (Locally printed proceedings; online version).

Christian Theil Have, Henning Christiansen, Efficient Tabling of Structured Data Using Indexing and Program Transformation. Proceedings of PADL'12, Fourteenth International Symposium on Practical Aspects of Declarative Languages. Philadelphia, Pennsylvania, USA, January 23-24, 2012. Springer LNCS vol. 7149, pp. 93-107, 2012.
Available as pdf. Henning Christiansen, Guy De Tre, Adnan Yazici, Slawomir Zadrozny, Troels Andreasen, Henrik Legind Larsen (editors). Flexible Query Answering Systems, 9th International Conference, FQAS 2011 Ghent, Belgium, October 26-28, 2011 Proceedings. Volume 7022 of Lecture Notes in Artificial Intelligence, Springer 2011.

Michael Beigl, Henning Christiansen, Thomas Roth-Berghofer, Anders Kofod-Petersen, Kenny Coventry, Hedda R. Schmidtke (editors), Modeling and Using Context - 7th International and Interdisciplinary Conference, CONTEXT 2011, Karlsruhe, Germany, September 26-30, 2011. Proceedings. Volume 6967 Lecture Notes In Computer Science, Springer 2011.

Henning Christiansen, Bo Li, Approaching the Chinese Word Segmentation Problem with CHR Grammars. Proceedings of CSLP 2011, the 6th International Workshop on Constraints and Language Processing. A workshop at CONTEXT '11: The 7th International and Interdisciplinary Conference on Modeling and Using Context 2011. Karlsruhe, Germany, September 27, 2011.
Available as pdf.

Henning Christiansen, Philippe Blache, Veronica Dahl, Jørgen Villadsen (editors). Proceedings of CSLP 2011, the 6th International Workshop on Constraints and Language Processing. A workshop at CONTEXT '11: The 7th International and Interdisciplinary Conference on Modeling and Using Context 2011. Karlsruhe, Germany, September 27, 2011.

Henning Christiansen, Amr Hany Saleh, Modeling dependent events with CHRiSM for probabilistic abduction, Proc. 8th International Workshop on Constraint Handling Rules, September 8, 2011, Cairo, Egypt.
Available as pdf.

Henning Christiansen, Christian Theil Have, Ole Torp Lassen and Matthieu Petit. Bayesian Annotation Networks for Complex Sequence Analysis. ICLP (Technical Communications) 2011: 220-230.
DOI (BibTeX and pdf)

Christian Theil Have, Henning Christiansen. Modeling repeats in DNA using extended probabilistic regular expressions. Biology, Computation and Linguistics, New Interdisciplinary Paradigms. Edited by Gemma Bel-Enquix, Veronica Dahl and M. Dolores Jiménez López. Volume 228 of "Frontiers in Artificial Intelligence and Applications", IOS Press 2011, pp. 55-70.
Presented at 1st International Work-Conference on Linguistics, Biology and Computer Science: Interplays, Tarragona, Spain, March 14-18, 2011.

Henning Christiansen, Christian Theil Have, Ole Torp Lassen and Matthieu Petit. Taming the Zoo of Discrete HMM Subspecies & some of their Relatives. Biology, Computation and Linguistics, New Interdisciplinary Paradigms. Edited by Gemma Bel-Enquix, Veronica Dahl and M. Dolores Jiménez López. Volume 228 of "Frontiers in Artificial Intelligence and Applications", IOS Press 2011, pp. 28-42.
Presented at 1st International Work-Conference on Linguistics, Biology and Computer Science: Interplays, Tarragona, Spain, March 14-18, 2011.
See special website with paper as pdf and source text of all example programs.

Henning Christiansen. Adaptable Grammars for Non-Context-Free Languages (Extended and revised version), Bio-Inspired Models for Natural and Formal Languages. Bel-Enguix, G. & Jiménez López, M. D. (red.). Cambridge Scholars Publishing p. 33-51. 2011.

Gemma Bel-Enguix, Henning Christiansen, M.Dolores Jiménez-López. Grammatical View of Language Evolution Proc. 1st International Workshop on AI Methods for Interdisciplinary Research in Language and Biology - BILC 2011, Rome, Jan. 29, 2011. Bel-Enguix, G., Dahl, V. & Ortega De La Puente, A. (eds.). Portugal: SciTePress pp. 57-66.
Available as pdf.

Henning Christiansen, Christian Theil Have, Ole Torp Lassen and Matthieu Petit. The Viterbi Algorithm expressed in Constraint Handling Rules. Proceedings of CHR 2010, Seventh International Workshop on Constraint Handling Rules. CW 588, Katholieke Universiteit Leuven, Departement Computerwetenschappen.

Henning Christiansen, Logic Programming for Linguistics: a short introduction to Prolog, and Logic Grammars with constraints as an easy way to Syntax and Semantics, TRIANGLE 1, September 2010, pp. 31-64.

Henning Christiansen, Christian Theil Have, Ole Torp Lassen and Matthieu Petit. Inference with Constrained Hidden Markov Models in PRISM. Theory and Practice of Logic Programming, 26th IntÕl. Conference on Logic Programming (ICLPÕ10) Special Issue, 10((4Š6)):449-464, July 2010.
Available as pdf.

Leo Bertossi, Henning Christiansen (eds.). Proceedings of LID 2009, International Workshop on Logic in Databases, Roskilde University, Denmark, October 29, 2009, To appear as a volume of Computer Science Research Report, Roskilde University, 2009.

Troels Andreasen, Ronald R. Yager, Henrik Bulskov, Henning Christiansen, Henrik Legind Larsen (editors). Flexible Query Answering Systems: 8th International Conference, FQAS 2009, Roskilde, Denmark, October 26-28, 2009, Proceedings. Volume 5822 of Lecture Notes in Computer Science, 2009.

Henning Christiansen. Christian Theil Have, Ole Torp Lassen, Matthieu Petit. A Constraint Model for Constrained Hidden Markov Models: a first Biological Application WCB09, Workshop on Constraint Based Methods for Bioinformatics, Associated to CP 2009. Lisbon, Portugal, September 20, 2009.

Henning Christiansen, Ole Torp Lassen, Preprocessing for Optimization of Probabilistic-Logic Models for Sequence Analysis. Logic Programming. 25th International Conference, ICLP 2009. Pasadena, California, USA, July 14-17, 2009. Lecture Notes in Computer Science 5649, pp. 70-83, Springer 2009.

Henning Christiansen, John P. Gallagher. Non-discriminating Arguments and their Uses. Logic Programming. 25th International Conference, ICLP 2009. Pasadena, California, USA, July 14-17, 2009. Lecture Notes in Computer Science 5649, pp. 55-69, Springer 2009.
(Appointed the best paper of the conference)

Matthieu Petit, Henning Christiansen. Un calcul de Viterbi pour un Modèle de Markov Caché Contraint. 5ème Journées Francophone de Programmation par Contraintes, JFPC, Orléans, France. June 3-5, 2009.
See online proceedings

Henning Christiansen, Verónica Dahl, Abductive Logic Grammars. Logic, Language, Information and Computation. 16th International Workshop, WoLLIC 2009. Tokyo, Japan, June 21-24, 2009. Lecture Notes in Computer Science 5514, pp. 170-181, Springer 2009.

Henning Christiansen, Adaptable Grammars for Non-Context-Free Languages. Bio-Inspired Systems: Computational and Ambient Intelligence, 10th International Work-Conference on Artificial Neural Networks, IWANN 2009 (special session devoted to Third International Workshop on NON-CLASSICAL FORMAL LANGUAGES IN LINGUISTICS). Salamanca, Spain, June 10-12, 2009. Lecture Notes in Computer Science 5517, pp. 488-503, Springer 2009.

Henning Christiansen. Executable specifications for hypothesis-based reasoning with Prolog and Constraint Handling Rules, Journal of Applied Logic, vol 7, 2009. pp. 341-362
Preliminary version available as pdf.

Henning Christiansen. Implementing Probabilistic Abductive Logic Programming with Constraint Handling Rules, 35 pp., Constraint Handling Rules, Current Research Topics. T. Schrijvers, T. Frühwirth (eds.). Lecture Notes in Artificial Intelligence 5388, Springer 2008. pp. 85-118
Available as pdf.

Henning Christiansen. Logic Grammars Extended with Constraint Logic (Abstract of invited tutorial). Linguistics and Formal Linguages; Proceedings of the Second International Worlshop; Non-Classical Formal Languages in Linguistics, ForLing 2008. Gemma Bel-Enguix, M. Dolores Jimenes-Lopes (eds.), ISBN 978-84-612-6451-3, pp. 3-4. Tarragona, Spain 2008.

Henning Christiansen. Introduction to Constraints and Language Processing. Proceedings of the 5th International Workshop on Constraints and Language Processing, CSLP 2008 (a workshop at ESSLLI, 2008). pp. 3-4. Computer Science Research Report 122, Roskilde University, 2008.

Jørgen Villadsen, Henning Christiansen (eds.). Proceedings of the 5th International Workshop on Constraints and Language Processing, CSLP 2008 (a workshop at ESSLLI, 2008). pp. 3-4. Computer Science Research Report 122, Roskilde University, 2008.

Henning Christiansen. Prioritized Abduction with CHR, Proc. Fifth Workshop on Constraint Handling Rules, Hagenberg, Austria, July 14, 2008.

Henning Christiansen. Probabilistic Abductive Logic Programming in Constraint Handling Rules. Proc. CSCLP 2008: Annual ERCIM Workshop on Constraint Solving and Constraint Logic Programming , ISTC-CNR, Institute for Cognitive Science and Technology Rome, Italy, June 18-20, 2008.

Henning Christiansen, Christian Theil Have, Knut Tveitane. From use cases to UML class diagrams using logic grammars and constraints.
G. Angelova, K. Bontcheva, R. Mitkov, N. Nicolov, N. Nikolov (eds.): International Conference: Recent Advances in Natural Language Processing: Proceedings Proc. RANLP 2007, Recent Advances in Natural Language Processing. Shoumen, Bulgaria: INCOMA Ltd., pp. 128-132 (2007). Available as pdf.

Henning Christiansen. Logic-statistic modeling and analysis of biological sequence data: a research agenda. A. Doncescu, P. A. Flach, K. Inoue, A. C. Kakas, O. Ray (eds.), Pre-Proceedings of the 2007 International Workshop on Abduction and Induction in Artificial Intelligence (AIAI'07). pp. 42-49. (2007).
Available as pdf.

Henning Christiansen, Christian Theil Have, Knut Tveitane. Reasoning about Use Cases using Logic Grammars and Constraints. Proceedings of the 4th International Workshop on Constraints and Language Processing, CSLP 2007. pp. 40-52. Computer Science Research Report 113, Roskilde University, 2007.

Henning Christiansen, Jørgen Villadsen (eds.). Proceedings of the 4th International Workshop on Constraints and Language Processing, CSLP 2007. 101 pp., Computer Science Research Report 113, Roskilde University, 2007.

Henning Christiansen, Christina Mackeprang Dahmcke, A Machine Learning Approach to Test Data Generation: A Case Study in Evaluation of Gene Finders. Proceedings of MLDM'2007, Machine Learning and Data Mining in Pattern Recognition July 18-20, 2007, Leipzig/Germany, pp. 741-755. Lecture Notes in Artificial Intelligence 4571, 2007.
Available as pdf.

Henning Christiansen, Maria Rekouts, Integrity Checking and Maintenance with Active Rules in XML Databases. Proc. BNCODwebim, BNCOD Workshop on Web Information management, 2-3 July 2007, Glasgow, UK. pp. 59-67, IEEE, 2007.

Henning Christiansen, Davide Martinenghi, On using Simplification and Correction Tables for Integrity Maintenance in Integrated Databases. Proc. LAAIC'06, Second International Workshop on Logical Aspects and Applications of Integrity Constraints, Included in Proc. DEXA 2006, Seventeenth Int'l Workshop on Database and Expert Systems Applications, 4-8 September 2006, Krakow, Poland, pp. 569-573, IEEE Computer Society, 2006.
Write to the authors for a copy.

Henning Christiansen, Davide Martinenghi, (eds.) Proc. LAAIC'06, Second International Workshop on Logical Aspects and Applications of Integrity Constraints, Included in Proc. DEXA 2006, Seventeenth Int'l Workshop on Database and Expert Systems Applications, 4-8 September 2006, Krakow, Poland, pp. 525-573, IEEE Computer Society, 2006.

Henrik Legind Larsen, Gabriella Pasi, Daniel Ortiz Arroyo, Troels Andreasen, Henning Christiansen (editors). Flexible Query Answering Systems: 7th International Conference, FQAS 2006, Milan, Italy, June 7-10, 2006, Proceedings. Volume 4027 of Lecture Notes in Computer Science, 2006.
Springer Online version.

Henning Christiansen, On the Implementation of Global Abduction. Seventh Workshop on Computational Logic in Multi-Agent Systems (CLIMA-VII), May 8-9, 2006. Future University, Hakodate, Japan. K. Inoue, K. Satoh, F. Toni (eds.), pp. 226-245.
Lecture Notes in Artificial Intelligence 4371.
See paper as pdf.

Davide Martinenghi, Henning Christiansen, Hendrik Decker, Integrity Checking and Maintenance in Relational and Deductive Databases --- and Beyond. Survey paper; chapter of Intelligent Databases: Technologies and Applications; Zongmin Ma (ed.), IdeaGroup, 2006.

Henning Christiansen, Davide Martinenghi, On Simplification of Database Integrity Constraints. Fundamenta Informaticae; vol. 71, no. 2, pp. 371-417, 2006.

Henning Christiansen, Mohand-Said Hacid (Eds.). Flexible Query Answering Systems, the first ten years. Special issue of Journal of Intelligent Information Systems, vol. 26, no. 1, 2006.
(6 papers; Introduction pp. 5-6)

Henning Christiansen, Davide Martinenghi, Incremental integrity checking: limitations and possibilities. Proc. LPAR 2005, 12th international conference on Logic for Programming and Artificial Intelligence and Reasoning. Jamaica, 2-6 December 2005. pp. 712-727, Lecture Notes in Computer Science 3835.
See full paper at SpringerLink.

Henning Christiansen, Jørgen Villadsen (eds). Constraint Solving and Language Processing; Proceedings of the 2nd International Workshop. Sitges, Spain, October 5, 2005, Datalogiske skrifter 104, Roskilde University, 2005.

Henning Christiansen, Reasoning about passive declarations in CHR. Proc. CHR 2005, Second Workshop on Constraint Handling Rules, an ICLP 2005 workshop, October 5, 2005. See full paper as pdf.

Henning Christiansen, Verónica Dahl, HYPROLOG: A New Logic Programming Language with Assumptions and Abduction, In: Proc. International Conference on Logic Programming, ICLP'05, M. Gabbrielli and G. Gupta (Eds.), pp. 159-173, 2005. Lecture Notes in Computer Science 3668.
See
pdf

Davide Martinenghi, Henning Christiansen, Efficient integrity checking for databases with recursive views Proc. ADBIS 2005, 9th East-European Conference on Advances in Databases and Information Systems, pp. 109-124, Lecture Notes in Computer Science 3631, 2005.
See pdf

Henning Christiansen, Davide Martinenghi, (eds.) Proc. LAAIC'05, First International Workshop on Logical Aspects and Applications of Integrity Constraints, Included in Proc. DEXA 2005, Int'l Workshop on Database and Expert Systems Applications, 11-26 August 2005, Copenhagen, Denmark, pp. 801-858, IEEE Computer Society, 2005.

Davide Martinenghi, Henning Christiansen, Transaction management with integrity checking, Proc. DEXA 2005, 16th International Conference on Database and Expert Systems Applications, K.V. Andersen, J. Debenham, and R. Wagner (Eds.), pp. 606-615, 2005. Lecture Notes in Computer Science 3588.
See pdf

Henning Christiansen, Experiences and directions for Abduction and Induction using Constraint Handling Rules. Workshop on Integration of Abduction and Induction in AI. Edinburgh, Scotland, July 29, 2005. See full paper as pdf.

Henning Christiansen, Verónica Dahl, Meaning in Context, In: Proc. CONTEXT'05, the Fourth International and Interdisciplinary Conference on Modeling and Using Context, Paris, France, 5-8 July 2005. Dey, A., Kokinov, B., Leake, D., Turner, R. (eds.), Lecture Notes in Artificial Intelligence 3554. pp. 97-111, See abstract, pdf.

Henning Christiansen, CHR grammars. International Journal on Theory and Practice of Logic Programming, vol. 4+5, special issue on Constraint Handling Rules, pp. 467-501, 2005.
Available at CoRR.

Henning Christiansen, Peter Rossen Skadhauge, Jørgen Villadsen, (eds.) Proceedings of CSLP, 1st Int'l Workshop on Constraint Solving and Language Processing
Lecture Notes in Artificial Intelligence 3438 (2005); preliminary version as Datalogiske Skrifter 99 (2004).

Henning Christiansen, Prolog as description and implementation language in computer science teaching. Proceedings of The First International Workshop on Teaching Logic Programming - TeachLP 2004. M. Ducassé, U. Nilsson, D. Seipel (Eds.). September 8-9, 2004, Saint-Malo, France. pp. 43-54.
pdf.

Henning Christiansen, Verónica Dahl, Assumptions and Abduction in Prolog
Proceedings of WLPE 2004: 14th Workshop on Logic Programming Environments and MultiCPL 2004: Third Workshop on Multiparadigm Constraint Programming Languages Workshop Proceedings September 2004, Saint-Malo, France. Susana Muñoz-Hernández, José Manuel Gómez-Perez, and Petra Hofstedt (Eds.) pp. 87-101.
See pdf.

Henning Christiansen, Mohand-Said Hacid, Troels Andreasen, Henrik Legind Larsen (Eds.): Flexible Query Answering Systems 6th International Conference, FQAS 2004. Lyon, France, June 2004. Proceedings. Lecture Notes in Artificial Intelligence 3055.
See conference homepage.

Henning Christiansen, CHR Grammars with multiple constraint stores.
First Workshop on Constraint Handling Rules: Selected Contributions, May 10-14, 2004, University of Ulm, Germany. Thom Frühwirth, Marc Meister (eds.), Ulmer Informatik-Berichte 2004-01, ISSN 0939-5091.
See pdf.

Henning Christiansen, Davide Martinenghi, Simplification of integrity constraints for data integration.
Third International Symposium on Foundations of Information and Knowledge Systems (FoIKS), February 17-20, 2004, Vienna, Austria.
Lecture Notes in Computer Science 2942, pp. 31-48, 2004.
See abstract, pdf.

Henning Christiansen, Teaching computer languages and elementary theory for mixed audiences at university level. Computer Science Education Journal, Volume 14, Number 3, September 2004. pp. 205-234.
See pdf.

Henning Christiansen, A constraint-based bottom-up counterpart to DCG.
Recent Advances in Natural Language Processing, Selected papers from RANLP 2003, Nicolov, N., Botcheva, K., Mitkov, M. (eds.) CILT book series (Current Issues in Linguistic Theory), John Benjamins Publishers, Amsterdam (2004).
See pdf.

Henning Christiansen, Davide Martinenghi, Simplification of database integrity constraints revisited: A transformational approach.

Proceedings of LOPSTR 2003, International Symposium on Logic-based Program Synthesis and Transformation, Uppsala, Sweden, August 25-27, 2003. Lecture Notes in Computer Science, 2004.
See abstract, pdf.

Henning Christiansen, Verónica Dahl, Logic Grammars for Diagnosis and Repair.
International Journal on Artificial Intelligence Tools, Vol. 2, no. 3 (2003), pp. 227-248.
See abstract

Troels Andreasen, Amihai Motro, Henning Christiansen, Henrik Legind Larsen (Eds.): Flexible Query Answering Systems 5th International Conference, FQAS 2002. Copenhagen, Denmark, October 27-29, 2002. Proceedings Lecture Notes in Artificial Intelligence 2522.
Available online from Springer.

Henning Christiansen, Verónica Dahl, Logic Grammars for Diagnosis and Repair. ICTAI'02, proc. of 14th IEEE International Conference on Tools with Artificial Intelligence, November 4-6, 2002 Washington D.C. pp. 307-314, IEEE 2002.

Henning Christiansen, Abductive language interpretation as bottom-up deduction. Wintner, S. (ed.): Proc. NLULP 2002, Natural Language Understanding and Logic Programming, Copenhagen, Denmark, July 28th, 2002. Datalogiske Skrifter 92, pp. 33-48, Roskilde University, 2002.
See abstract, pdf.

Henning Christiansen, (2002) Logical grammars based on constraint handling rules, (Poster abstract). Proc. 18th Int'l Conference on Logic Programming, Lecture Notes in Computer Science 2401, p. 481, Springer-Verlag.
See LNCS online version

Henning Christiansen, Using Prolog as metalanguage for teaching programming language concepts. In Kacprzyk J., M. Krawczak and S. Zadrozny (eds.) Issues in Information Technology, EXIT, Warszawa, 2002, pp. 59-82.
See abstract, pdf.

Henning Christiansen, CHR as grammar formalism, a first report. Sixth Annual Workshop of the ERCIM Working group on Constraints, Prague, Czech Republic, June 18-20, 2001.
Available at CoRR: Click!.

Slim Abdennadher, Henning Christiansen, An Experimental CLP Platform for Integrity Constraints and Abduction. Proceedings of FQAS2000, pp. 141--152, Advances in Soft Computing series, Springer, 2000. See pdf.

Henrik Legind Larsen, Janusz Kacprzyk, Slawomir Zadrozny, Troels Andreasen, Henning Christiansen (Eds.): Flexible Query Answering Systems, Recent Advances, Proceedings of the Fourth International Conference on Flexible Query Answering Systems, FQAS 2000, October 25 - 28, 2000, Warsaw, Poland. Physica-Verlag Heidelberg New York, A Springer-Verlag Company.

Henning Christiansen, Davide Martinenghi Symbolic constraints for meta-logic programming, Journal of Applied Artificial Intelligence, vol. 14, pp. 345–367, 2000.
See abstract

Henning Christiansen, Abduction and induction combined in a metalogic framework, Abductive and Inductive Reasoning: Essays on their Relation and Integration, Flach. P., Kakas, A., (eds.), pp. 195-211, Kluwer, 2000.
See abstract.

Henning Christiansen, Integrity constraints and constraint logic programming, Invited talk at INAP'99; Proceedings of the 12th International Conference on Application of Prolog, pp. 5-12.
See pdf.

Henning Christiansen, Open theories and abduction for context and accommodation. 2nd International and Interdisciplinary Conference on Modeling and Using Context (CONTEXT'99), Bouquet, P., Brezillon, P., Serafini, L. (eds.) Lecture Notes in Artificial Intelligence 1688. Springer-Verlag, pp. 455-458, 1999.
See pdf.

Henning Christiansen, Negation in the DEMO system: a progress report. Proc. of ECAI98 Workshop Abduction and Induction in AI, Brighton, 25 August, 1998, (Flach, P., Kakas, A., eds.), pp. 33-40.
Available at workshop home page http://www.cs.bris.ac.uk/~flach/ECAI98/

Henning Christiansen, Automated reasoning with a constraint-based metainterpreter, Journal of Logic Programming, 1998. Vol 37(1-3) Oct-Dec 98, pp. 213-253
See abstract, pdf.

Troels Andreasen, Henning Christiansen, Henrik Legind Larsen (eds.), Flexible Query Answering Systems, Third International Conference, FQAS'98, Roskilde, Denmark, May 1998, Proceedings. Lecture Notes in Artificial Intelligence 1495. Springer-Verlag 1998.
See Table of contents and Conference home page.

Henrik Legind Larsen, Troels Andreasen, Henning Christiansen, Knowledge discovery for flexible querying. Proc. of Third International Conference, FQAS'98, Roskilde, Denmark, May 1998. Lecture Notes in Artificial Intelligence 1495. Springer-Verlag, pp. 227-235, 1998.
See pdf.

Troels Andreasen, Henning Christiansen A practical approach to hypothetical database queries, In: Freitag, B., Decker, H., Kifer, M., Voronkov, A. (eds.), "Transactions and Change in Logic Databases" Lecture Notes in Artificial Intelligence 1472, pp. 340-356, 1998.
See abstract, pdf.

Henning Christiansen, Implicit program synthesis by a reversible metainterpreter (Invited talk). In: Fuchs, N.E. (ed.), "Proceedings of the Seventh International Workshop on Logic Program Synthesis and Transformation LOPSTR '97", Lecture Notes in Artificial Intelligence 1463, pp. 90-110, 1998.
See abstract, pfd.

Troels Andreasen, Henning Christiansen, Henrik Legind Larsen (eds.) Flexible Query Answering Systems, Kluwer Academic Publishers, 1997.
Edited collection of papers, see Preface, List of contents, Ordering information.

Troels Andreasen, Henning Christiansen, Nonstandard database interaction from metalogic programming. Flexible Query Answering Systems, Kluwer Academic Publishers, 1997. pp. 61-78. See abstract.

Troels Andreasen, Henning Christiansen, Hypothetical queries to deductive databases.
Eds. Geske, U., Ruiz, C., Seipel, D., Proc. of the 5th International Workshop on Deductive Databases and Logic Programming. Workshop in Conjunction with ICLP'97, Leuven, Belgium, July 11, 1997. GMD-Studien 317, GMD-Forschungszentrum, Informationstechnik GMBH, pp. 37-48, 1997. See abstract.

Henning Christiansen, Deriving declarations from programs, Extended abstract, March 1997, 7pp., Accepted for CPP'97, Workshop on Constraint Programming for Reasoning about Programming, Leeds, April 9-10th, 1997
See abstract, pdf.

Henning Christiansen, On solving member and instance constraints, Metaprogramming and Metareasoning in Logic (META96), Tech. Repr. 127, Uppsala University, Compoure Science Dept., 1996, pp. 13-25.
See abstract, dvi, postscript.

Troels Andreasen, Henning Christiansen, Counterfactual exceptions in deductive database queries. 12th European Conference on Artificial Intelligence, ECAI'96, August 11-16,1996, Budapest, Hungary. pp. 340-344.
See abstract, pdf.

Troels Andreasen, Henning Christiansen, Flexible query-answering systems modelled in metalogic programming. ECAI'96 workshop "Knowledge Representation Meets Databases, August 13, 1996, Budapest, Hungary, pp. 1-7.
See abstract, pfd.

Troels Andreasen, Henning Christiansen, An experimental prototype for flexible query-answering mechanisms, A metainterpretation approach. Flexible Query-Answering Systems, Proc. of the 1996 Workshop (FQAS'96), Roskilde, Denmark. May 22-24, 1996, pp. 277-288.
See abstract

Henning Christiansen, Henrik Legind Larsen, Troels Andreasen (eds.) Flexible Query-Answering Systems, Proc. of the 1996 Workshop (FQAS'96), Roskilde, Denmark. May 22-24, 1996, (306 pp.) Datalogiske skrifter 62, Roskilde University, 1996.

Henning Christiansen, Alternative Reasoning in a Metaprogramming System. Proc. of the ICLP'95 Joint Workshop "Deductive Databases and Logic Programming", "Abduction in Deductive Databases and knowledge-based Systems", Shonan Village Center, Japan, June 17, 1995. GMD-Studien 266, Gesellshaft für Mathematik und Datenverarbeitung MBH, pp. 175-186, 1995.

Henning Christiansen, Troels Andreasen, Alf Beck Nielsen, Negative counterfactuals as constraints in deductive database, in Flexible Query-Answering Systems, Proc. of the 1994 Workshop. Datalogiske skrifter 58, pp. 105-112, 1995.

Henning Christiansen, Efficient and Complete demo predicates for definite clause languages. (Poster summary) Proc. Eleventh International Conference on Logic Programming, S. Margerita Ligure, Italy, June 13-18 1994. MIT Press, pp. 735-736, 1994.

Henning Christiansen, On proof predicates in logic programming. In: A.Momigliani and M.Ornaghi, eds. "Proof-Theoretical Extensions of Logic Programming", CMU, Pittsburgh, PA 15231-3890, USA. Proceedings of an ICLP-94 Post-Conference Workshop, 1994.

Henning Christiansen, Efficient and complete demo predicate for definite clause languages. Datalogiske skrifter 51, Roskilde University, 1994.
See abstract, pdf.

Henning Christiansen, A complete demo predicate with co-routine control for automatic program synthesis. Proc. Second Compulog Area Meeting on Programming Languages joint with Workshop on Logic Languages, Progretto Finalizzato Sistemi Informatici e Calcolo Parallelo, Pisa, Italy, May 6-7, 1993. Pp. 7-10.

Henning Christiansen: Why should grammars not adapt themselves to context and discourse? Abstract collection, 4th International Pragmatics Conference, Kobe, Japan, July 23.-30. 1993, International Pragmatics Association, 1993. P. 23.
See Conference handout (Extended abstract) postscript.

Henning Christiansen, Models and resolution principles for logical meta-programming languages, INRIA Rapports de Recherche 1594, 1992.

Henning Christiansen, A complete resolution principle for logical meta-programming languages, META92, Workshop on Meta-Programming in Logic, 10-12 June 1992, Uppsala, Sweden, 1992. Lecture Notes in Computer Science 649, pp.205Ü219, Springer-Verlag 1992. (Also Datalogiske skrifter 38, 1992). See abstract.

Henning Christiansen, Even non-recursive calls of binary demo may loop. Logic Pprogramming, The Newsletter of the Association for Logic Programming, 5/4, pp. 16-17, Nov. 1992.

Henning Christiansen, The Omikron Project. 7th Annual Apple European University Consortium, Conference Proceedings, 30th April to 2nd May, 1991, Paris, France, pp. 30-32. (Also Datalogiske skrifter 34, Roskilde University, 1991)

Henning Christiansen, Declarative semantics of a meta-programming language, META90, Workshop on Meta-Programming in Logic, 4-6 April 1990, Leuven, Belgium, pp. 150-168, 1990.
See abstract, dvi, postscript.

Henning Christiansen, A survey of adaptable grammars, SIGPLAN Notices, 25/11, pp. 35-44, 1990.
See abstract, dvi, pdf, postscript.

Henning Christiansen, Structure-sharing in attribute grammars, Programming Languages Implementation and Logic Programming, International Workshop, Orleans, France, May 1988, Lecture Notes in Computer Science 348, pp. 180-200, Springer-Verlag, 1989.

Henning Christiansen, Structure sharing in incremental systems, Structured Programming, 10/4, pp. 169-186, 1989.
See abstract.

Henning Christiansen, Extensible logic for extensible languages, Datalogiske skrifter 21, Roskilde University, 1989.

Henning Christiansen, Skala - a specification language for visual program presentation, Datalogiske skrifter 12, Roskilde University, 1988.

Henning Christiansen, The syntax and semantics of extensible languages, 41 pp. Datalogiske skrifter 14, Roskilde University, 1988.
See pdf, abstract.

Henning Christiansen, Programming as language development, Ph.D. thesis (summary), Datalogiske skrifter 15, Roskilde University, 1988.

Henning Christiansen, (ed.), Programming environments - programming paradigms. Proceedings of a workshop at Roskilde University, October 22-24, 1986, (235 pp.), Datalogiske skrifter 7, Roskilde University, 1987.
See list of contents.

Henning Christiansen, Recognition of generative languages, Programs as Data Objects, Workshop in Copenhagen, Denmark, October 1985, Lecture Notes in Computer Science 217, pp. 63-81, Springer-Verlag, 1986.

Henning Christiansen, Parsing and compilation of generative languages, Datalogiske skrifter 3, Roskilde University, 1986.

Henning Christiansen, Context-sensitive parsing in full Prolog, Datalogiske skrifter 5, Roskilde University, 1986.

Henning Christiansen, Syntax, semantics, and implementation strategies for programming languages with powerful abstraction mechanisms, Proc. of 18th Hawaii International Conference on System Sciences, vol. 2, pp. 57-66, 1985. (Also Datalogiske skrifter 1, 1985)

Henning Christiansen, Neil Jones, Control flow treatment in a simple semantics-directed compiler generator, Proc. of Formal Description of Programming Concepts II, pp. 73-97, North-Holland Publishing Company, Amsterdam, 1983.

Henning Christiansen, Neil Jones, Mathematical foundation of a semantics-directed compiler generator, DAIMI PB-148, Aarhus University, 1982.

Neil Jones, Henning Christiansen, Control flow treatment in a simple semantics-directed compiler generator, DAIMI PB-137, Aarhus University, 1981.

Henning Christiansen, Neil Jones, Control flow aspects of an algebraic approach to compiler generation, Proc. of RIMS, Kyoto, Japan, 1981.

Henning Christiansen, A new approach to Compiler Generation, Masters Thesis, Internal DAIMI Report, Aarhus University, COmputer Science Department, 1981.