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    Chapter and Conference Paper

    Learning Analytics Based on Streamed Log Data from a Course in Logic

    This paper describes the analysis of streamed log data generated from the use of two specific e-learning tools in the context of a basic logic course taught and evaluated at Aalborg University, Denmark, during...

    Peter Øhrstrøm, Steinar Thorvaldsen, David Jakobsen in Innovative Technologies and Learning (2023)

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    Chapter and Conference Paper

    The Use of E-learning Tools in a Basic Logic Course During the COVID-19 Lockdown

    This paper describes a study of the development and use of e-learning tools in the context of a basic logic course that was taught during the COVID-19 lockdown in 2021. The tools were used to compensate for le...

    Peter Øhrstrøm, Steinar Thorvaldsen in Innovative Technologies and Learning (2021)

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    Chapter and Conference Paper

    The Use of E-learning Tools and Log Data in a Course on Basic Logic

    This paper is a study of the use of e-learning tools and log data in evaluating and further develo** a course on basic logic. It is a continuation of earlier studies involving practical experiments with stud...

    Peter Øhrstrøm, Steinar Thorvaldsen in Innovative Technologies and Learning (2020)

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    Chapter and Conference Paper

    Teaching Propositional and Syllogistic Logic Using E-learning Tools

    This paper is a study of the use of E-learning tools in a course on basic logic. It is a continuation of earlier studies involving practical experiments with students of communication using the Syllog system f...

    Peter Øhrstrøm, Steinar Thorvaldsen in Innovative Technologies and Learning (2019)

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    Chapter and Conference Paper

    Teaching Syllogistics Using E-learning Tools

    This paper is a study of various strategies for teaching syllogistics as part of a course in basic logic. It is a continuation of earlier studies involving practical experiments with students of Communication ...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in E-Learning, E-Education, and Online Traini… (2017)

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    Chapter and Conference Paper

    The Interpretation of Branching Time Diagrams

    The use of branching time diagrams in tense logic was originally suggested in 1957 by Saul Kripke. During the following years, A.N. Prior (1914–1969) developed models with forwards branching and backwards lin...

    David Jakobsen, Peter Øhrstrøm in Graph-Based Representation and Reasoning (2016)

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    Chapter and Conference Paper

    Teaching Syllogistics Through Gamification and Interactive Proofs

    This paper is a continuation of earlier studies involving experiments with Communication students using a Java-Applet running in the student’s browser, developed using the Prolog programming language as embodi...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Design for Teaching and Learning in a Netw… (2015)

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    Chapter and Conference Paper

    Teaching Syllogistics Using Conceptual Graphs

    It has for centuries been commonly believed that syllogistic reasoning is an essential part of human rationality. For this reason, Aristotelian syllogistics has since the rise of the European university been a...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Graph-Based Representation and Reasoning (2014)

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    Chapter and Conference Paper

    Classical Syllogisms in Logic Teaching

    This paper focuses on the challenges of introducing classical syllogisms in university courses in elementary logic and human reasoning. Using a program written in Prolog+CG, some empirical studies have been ca...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Conceptual Structures for STEM Research an… (2013)

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    Chapter and Conference Paper

    From Geocaching to Mobile Persuasive Learning – Motivating the Interest in the Life and Work of Danish Author Kaj Munk

    This paper presents some of the initial steps taken towards digital mediation of the cultural heritage related to Danish author Kaj Munk and the impact these steps have had on the ongoing research on persuasiv...

    Lasse Burri Gram-Hansen in Scaling up Learning for Sustained Impact (2013)

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    Chapter and Conference Paper

    Teaching Logic through Web-Based and Gamified Quizzing of Formal Arguments

    In this paper the focus is on the construction, use, pedagogical potential, and long-term sustainability of certain web-based tools designed for teaching logic. A series of web-based tools have been implemente...

    Peter Øhrstrøm, Ulrik Sandborg-Petersen in Scaling up Learning for Sustained Impact (2013)

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    Chapter and Conference Paper

    Develo** Persuasive Technology for ASD Challenged Teenagers

    The HANDS project suggests the use of Mobile Persuasion in order to support teenagers with an autism diagnosis and normal or high IQ. The paper offers a description of the HANDS toolset and its potential. The ...

    Morten Aagaard, Peter Øhrstrøm in Persuasive Technology. Design for Health and Safety (2012)

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    Chapter and Conference Paper

    A.N. Prior’s Ideas on Tensed Ontology

    A.N. Prior’s work with Peirce’s philosophy and investigations into the formalisation of temporal ontology give rise to some important questions regarding time and existence. Some answers to these questions are...

    David Jakobsen, Peter Øhrstrøm in Conceptual Structures for Discovering Know… (2011)

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    Chapter and Conference Paper

    Branching Time as a Conceptual Structure

    This paper deals with the history and the philosophy of some important conceptual structures of time and modality. In particular, the focus is on the historical and philosophical background of the introduction...

    Peter Øhrstrøm, Henrik Schärfe, Thomas Ploug in Conceptual Structures: From Information to… (2010)

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    Chapter and Conference Paper

    Time and Logic: A.N. Prior’s Formal Analysis of Temporal Concepts

    This paper deals with A.N. Prior’s analysis of the concepts of dynamic and static time, i.e., McTaggart’s so-called A- and B-concepts. The relations and mutual dependencies between these temporal concepts are ...

    Peter Øhrstrøm in Formal Concept Analysis (2009)

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    Chapter and Conference Paper

    Jacob Lorhard’s Ontology: A 17th Century Hypertext on the Reality and Temporality of the World of Intelligibles

    Jacob Lorhard published his ontology in 1606. In this work the term ontologia ‘ontology’ was used for the first time ever. In this paper, it is argued that Lorhard’s ontology provides a useful key to the understa...

    Peter Øhrstrøm, Henrik Schärfe in Conceptual Structures: Knowledge Visualiza… (2008)

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    Chapter and Conference Paper

    Historical and Conceptual Foundation of Diagrammatical Ontology

    During the Renaissance there was a growing interest for the use of diagrams within conceptual studies. This paper investigates the historical and philosophical foundation of this renewed use of diagrams in ont...

    Peter Øhrstrøm, Sara L. Uckelman in Conceptual Structures: Knowledge Architect… (2007)

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    Chapter and Conference Paper

    Surveillance, Persuasion, and Panopticon

    The surveillance in public and private places, both physically and digitally, is increasing for different reasons. In this paper we intend to discuss surveillance and persuasive technology in an ethical perspe...

    Julie Leth Jespersen, Anders Albrechtslund, Peter Øhrstrøm in Persuasive Technology (2007)

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    Chapter and Conference Paper

    What Has Happened to Ontology

    Ontology as the study of being as such dates back to ancient Greek philosophy, but the term itself was coined in the early 17th century. The idea termed in this manner was further studied within academic circles ...

    Peter Øhrstrøm, Jan Andersen, Henrik Schärfe in Conceptual Structures: Common Semantics fo… (2005)

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    Chapter and Conference Paper

    A Priorean Approach to Time Ontologies

    Any non-trivial top-level ontology should take temporal notions into account. The details of how this should be done, however, are frequently debated. In this paper it is argued that “the four grades of tense-...

    Peter Øhrstrøm, Henrik Schärfe in Conceptual Structures at Work (2004)

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