| 2016 | ICCS | Investigating Worldviews with Protg. | Thomas Bro Wormslev Jakobsen, David Jakobsen, Peter hrstrm |
| 2016 | ICCS | The Interpretation of Branching Time Diagrams. | David Jakobsen, Peter hrstrm |
| 2016 | ICCS | Designing a New Tool for E-learning in Syllogistics. | Peter hrstrm, Ulrik Sandborg-Petersen |
| 2016 | TIME | Conceptual and Metaphysical Origins and Relevance of Temporal Logic. | David Jakobsen, Peter hrstrm |
| 2014 | ICCS | Teaching Syllogistics Using Conceptual Graphs. | Peter hrstrm, Ulrik Sandborg-Petersen, Steinar Thorvaldsen, Thomas Ploug |
| 2013 | ICCS | Classical Syllogisms in Logic Teaching. | Peter hrstrm, Ulrik Sandborg-Petersen, Steinar Thorvaldsen, Thomas Ploug |
| 2012 | Persuasive | Developing Persuasive Technology for ASD Challenged Teenagers. | Morten Aagaard, Peter hrstrm |
| 2011 | ICCS | A.N. Prior's Ideas on Tensed Ontology. | David Jakobsen, Peter hrstrm, Henrik Schrfe |
| 2010 | ICCS | Branching Time as a Conceptual Structure. | Peter hrstrm, Henrik Schrfe, Thomas Ploug |
| 2009 | ICFCA | Time and Logic: A.N. Prior's Formal Analysis of Temporal Concepts. | Peter hrstrm |
| 2009 | Persuasive | Towards a handy interactive persuasive diary for teenagers with a diagnosis of autism. | Anja Meiland Ranfelt, Tony Wigram, Peter hrstrm |
| 2008 | ICCS | Jacob Lorhard's Ontology: A 17th Century Hypertext on the Reality and Temporality of the World of Intelligibles. | Peter hrstrm, Henrik Schrfe, Sara L. Uckelman |
| 2007 | ICCS | Historical and Conceptual Foundation of Diagrammatical Ontology. | Peter hrstrm, Sara L. Uckelman, Henrik Schrfe |
| 2007 | Persuasive | Surveillance, Persuasion, and Panopticon. | Julie Leth Jespersen, Anders Albrechtslund, Peter hrstrm, Per F. V. Hasle, Jrgen Albretsen |
| 2005 | ICCS | What Has Happened to Ontology. | Peter hrstrm, Jan Andersen, Henrik Schrfe |
| 2004 | ICCS | A Priorean Approach to Time Ontologies. | Peter hrstrm, Henrik Schrfe |
| 2003 | ICCS | Representing Time and Modality in Narratives with Conceptual Graphs. | Henrik Schrfe, Peter hrstrm |
| 2002 | ICCS | On Teaching Conceptual Graphs. | Henrik Schrfe, Ulrik Petersen, Peter hrstrm |
| 1999 | FlAIRS | KARDIO - A Simulation of a Cardiac Care Unit Intended for the Study of the Ethical Components of Medical Decision-Making. | Sren Holm, Peter hrstrm, Claus Donner |
| 1999 | ICCS | A Software System for Learning Peircean Graphs. | Torben Braner, Claus Donner, Peter hrstrm |
| 1998 | TIME | Ockhamistic Logics and True Futures of Counterfactual Moments. | Torben Braner, Per F. V. Hasle, Peter hrstrm |
| 1997 | ICCS | C. S. Pierce and the Quest for Gamma Graphs. | Peter hrstrm |
| 1996 | ICCS | Existential Graphs and Tense Logic. | Peter hrstrm |