| 2021 | A Diagrammatic Representation of Hegel's Science of Logic. Valentin Pluder, Jens Lemanski |
| 2021 | A Universal Grammar for Specifying Visualization Types. Yuri Engelhardt, Clive Richards |
| 2021 | Aaron Schuyler: The Missing Link Between Euler and Venn Diagrams? Marcos Bautista López Aznar, Walter Federico Gadea, Guillermo Címbora Acosta |
| 2021 | Aesthetics and Ordering in Stacked Area Charts. Steffen Strunge Mathiesen, Hans-Jörg Schulz |
| 2021 | Beyond Counting: Measuring Diagram Intensity in Mathematical Research Papers. Henrik Kragh Sørensen |
| 2021 | Can Humans and Machines Classify Photographs as Depicting Negation? Yuri Sato, Koji Mineshima |
| 2021 | Cognitive Properties of Representations: A Framework. Peter C.-H. Cheng, Grecia Garcia Garcia, Daniel Raggi, Aaron Stockdill, Mateja Jamnik |
| 2021 | Cognitive Style's Effects on User Task Performance in Network Visualisations. Nikita Dev Lomov, Weidong Huang, Jing Luo, Quang Vinh Nguyen |
| 2021 | Combining and Relating Aristotelian Diagrams. Leander Vignero |
| 2021 | Comics and Diagrams: An Introductory Overview. Andrea Tosti |
| 2021 | Concentrating Competency Profile Data into Cognitive Map of Knowledge Diagnosis. Viktor A. Uglev, Oleg Sychev |
| 2021 | Considerations in Representation Selection for Problem Solving: A Review. Aaron Stockdill, Daniel Raggi, Mateja Jamnik, Grecia Garcia Garcia, Peter C.-H. Cheng |
| 2021 | Diagrammatic Representation and Inference - 12th International Conference, Diagrams 2021, Virtual, September 28-30, 2021, Proceedings Amrita Basu, Gem Stapleton, Sven Linker, Catherine Legg, Emmanuel Manalo, Petrucio Viana |
| 2021 | Diagrammatic Representations of Uncertainty in Meteorological Forecasting. Brandon Boesch |
| 2021 | Diagramming Imprecise and Incomplete Temporal Information. Hakob Barseghyan |
| 2021 | Diagrams as Part of Physical Theories: A Representational Conception. Javier Anta |
| 2021 | Diagrams in Essays: Exploring the Kinds of Diagrams Students Generate and How Well They Work. Emmanuel Manalo, Mari Fukuda |
| 2021 | Dynamic Flowcharts for Enhancing Learners' Understanding of the Control Flow During Programming Learning. Mikhail Denisov, Anton Anikin, Oleg Sychev |
| 2021 | Equivalence Proof for Intuitionistic Existential Alpha Graphs. Arnold Oostra |
| 2021 | Evidence of Chunking in a Simple Drawing Task. Yanze Liu, Peter C.-H. Cheng |
| 2021 | Extracting Interactive Actor-Based Dataflow Models from Legacy C Code. Niklas Rentz, Steven Smyth, Lewe Andersen, Reinhard von Hanxleden |
| 2021 | How Can Numerals Be Iconic? More Varieties of Iconicity. Dirk Schlimm |
| 2021 | How Can We Statistically Analyze the Achievement of Diagrammatic Competency from High School Regular Tests? Yuri Uesaka, Shun Saso, Takeshi Akisawa |
| 2021 | Image Schemas and Conceptual Blending in Diagrammatic Reasoning: The Case of Hasse Diagrams. Dimitra Bourou, Marco Schorlemmer, Enric Plaza |
| 2021 | Intentional Diagram Design: Using Gestalt Perceptual Grouping in Cladograms to Tackle Misconceptions. Jingyi Liu, Laura R. Novick |
| 2021 | Interactive, Orthogonal Hyperedge Routing in Schematic Diagrams Assisted by Layout Automatisms. Stefan Helmke, Bernhard Goetze, Robert Scheffler, Gregor Wrobel |
| 2021 | Interactivity in Linear Diagrams. Peter Chapman |
| 2021 | Jin Yuelin's Simplification of Venn Diagrams. Xinwen Liu, Ahti-Veikko Pietarinen |
| 2021 | Modeling Multimodal Interactions and Feedback for Embodied Geovisualization. Markus Berger |
| 2021 | Natural Deduction for Intuitionistic Euler-Venn Diagrams. Sven Linker |
| 2021 | New Representations of Modal Functions. Pedro Falcão |
| 2021 | Number and Quality of Diagrams in Scholarly Publications is Associated with Number of Citations. Guy Clarke Marshall, Caroline Jay, André Freitas |
| 2021 | Observing Strategies of Drawing Data Representations. Fiorenzo Colarusso, Peter C.-H. Cheng, Grecia Garcia Garcia, Daniel Raggi, Mateja Jamnik |
| 2021 | On Identity in Peirce's Beta Graphs. Javier Legris |
| 2021 | On the Cognitive Potential of Derivative Meaning in Aristotelian Diagrams. Hans Smessaert, Atsushi Shimojima, Lorenz Demey |
| 2021 | On the Relationship Between Geometric Objects and Figures in Euclidean Geometry. Mario Bacelar Valente |
| 2021 | Peirce's Diagrammatic Solutions to 'Peirce's Puzzle'. Ahti-Veikko Pietarinen |
| 2021 | Presenting Basic Graph Logic. Márcia R. Cerioli, Leandro Suguitani, Petrucio Viana |
| 2021 | Residuation in Existential Graphs. Nathan Haydon, Ahti-Veikko Pietarinen |
| 2021 | Revisiting Peirce's Rules of Transformation for Euler-Venn Diagrams. Reetu Bhattacharjee, Amirouche Moktefi |
| 2021 | Schopenhauer's Partition Diagrams and Logical Geometry. Jens Lemanski, Lorenz Demey |
| 2021 | Structuralist Analysis for Neural Network System Diagrams. Guy Clarke Marshall, Caroline Jay, André Freitas |
| 2021 | The Fall and Rise of Resemblance Diagrams. Mikkel Willum Johansen, Josefine Lomholt Pallavicini |
| 2021 | The Presence of Diagrams and Problems Requiring Diagram Construction: Comparing Mathematical Word Problems in Japanese and Canadian Textbooks. Mari Fukuda, Emmanuel Manalo, Hiroaki Ayabe |
| 2021 | The Science of Seeing Science: Examining the Visuality Hypothesis. Lisa A. Best, Claire Goggin |
| 2021 | The Search for Symmetry in Hohfeldian Modalities. Matteo Pascucci, Giovanni Sileno |
| 2021 | Through the Eyes of an Archeologist: Studying the Role of Prior Knowledge in Learning with Diagrams. Erica de Vries |
| 2021 | Tractarian Notations. Francesco Bellucci |
| 2021 | Truth Tables Without Truth Values: On 4.27 and 4.42 of Wittgenstein's Tractatus. Tabea Rohr |
| 2021 | Understanding Scholarly Neural Network System Diagrams Through Application of VisDNA. Guy Clarke Marshall, Caroline Jay, André Freitas |
| 2021 | Validity as Choiceless Unification. Frank Thomas Sautter, Bruno Ramos Mendonça |
| 2021 | Venn Diagrams with "Most": A Natural Logic Approach. Xinwen Liu, Ahti-Veikko Pietarinen |
| 2021 | Visualising Lattices with Tabular Diagrams. Uta Priss |
| 2021 | Visualizing Program State as a Clustered Graph for Learning Programming. Oleg Sychev |
| 2021 | What Are Rules for? A Carroll-Peirce Comparison. Amirouche Moktefi, Reetu Bhattacharjee |
| 2021 | What Diagrams Are Considered Useful for Solving Mathematical Word Problems in Japan? Hiroaki Ayabe, Emmanuel Manalo, Mari Fukuda, Norihiro Sadato |
| 2021 | What Kind of Opposition-Forming Operator is Privation? José David García Cruz |
| 2021 | Wittgenstein's Picture-Investigations. Michael A. R. Biggs |