Please find the tentative program for Diagrams 2022 below. At the moment, it is still possibly subject to change.

All sessions (except for the joint sessions with VL/HCC and the Welcome Reception) will take place at the Department for Computer Engineering of Sapienza University.

(see detailed tutorial page for abstracts)
Room: Aula Magna
Workshop: Diagrams of Life and Evolution
(see detailed workshop program for abstracts)
Room: B203 (talks will be given online, with possible participation locally)
9:00 – 10:30Daniel Raggi and Aaron Stockdill:
Representational Systems Theory: What, Why and How
Session I: Theory & Contextualization

Nathalie Gontier – Welcome and Introduction to Diagram of Life and Evolution
Paloma López Grüninger – Between the Lines: The Visual Language of Evolutionary Diagrams and its Consequences for Interpretation
Raphaël Sandoz – Mapping Science with Diagrams: From Trees to Networks
Marilyn Mitchell – Motivations Underlying the Representation of Time in Family and Evolutionary Tree Diagrams
10:30 – 11:00CoffeeCoffee
11:00 – 12:30Marcos Bautista López Aznar:
Marlo diagrams: design and manipulation
Session II: Timelines, Pre- and Post-Evolutionary Trees
Graham Shields – The Geological Timescale
Petter Hellström – Form, Not Function: A Revisionist History of Early Systematic Trees
Erica Torrens & Ana Barahona – Darwin’s trees: Metaphors of Biological Order
Bárbara Jiménez Pazos – In Search for Darwin’s Conception of Time in The Origin of Species: A semantic Journey Through Diagrams, Trees, Scales, and Cycles
12:30 – 14:00LunchLunch
14:00 – 15:30Wolfgang Gatterbauer:
Interpreting and understanding relational database queries using diagrams
Session III: Impact of Ordering Systems
14:00 – 16:00
Murray Leaf – What Kinship Terminologies Are and How We Know It
Sander Gliboff – Diagrams in Historical Context: The Changing Meaning of Ernst Haeckel’s Human Family Tree
Kees van Putten – The Decline and Fall of Spatiality in Images of the Order of Nature: Multi-Dimensional Images of the Natural System in the First Half of the 20th Century
Douglas E. Soltis – The Tree of Life Concept through Human History
15:30 – 16:00 Coffee Coffee
16:00 – 17:30Jean-Yves Beziau:
Square of Opposition: Theory and Applications
Session IV: Networks, Webs, and Cycles
16:30 – 18:00
Pamela S. Soltis – Networks As Models of Evolutionary History
Christos Ouzounis – Bioinformatics, Networks, and LGT
Frank N. Egerton – Ecology’s Atypical Diagrams
18:00Session V: Discussion
After 18:00 Welcome Reception at Auditorium Antonianum
14/09/2022 Wednesday
9:00 – 10:30Keynote: Gem Stapleton
Chair: Sven Linker
The Power of Diagrams: Observation, Inference and Overspecificity
(joint with VL/HCC at the Auditorium Antonianum)
10:30 – 11:00Coffee at VL/HCC
11:00 – 12:30Session: Joint Session with VL/HCC (at the Auditorium Antonianum)
Chair for the VL/HCC papers: Mark Minas
Chair for the Diagrams papers: Atsushi Shimojima
Marcelo Almeida, Grant Cole, Ke Du, Gongming Luo, Shulin Pan, Yu Pan,
Kai Qiu, Vishnu Reddy, Haochen Zhang, Yingying Zhu and Cyrus Omar

RustViz: Interactively Visualizing Ownership and Borrowing
(VL/HCC long paper)
Aaron Stockdill, Gem Stapleton, Daniel Raggi, Mateja Jamnik, Grecia Garcia Garcia and Peter Cheng
Examining Experts’ Recommendations of Representational
Systems for Problem Solving
(VL/HCC short paper)
Peter Cheng, Aaron Stockdill, Grecia Garcia Garcia, Daniel Raggi and Mateja Jamnik
Representational Interpretive Structure: Theory and Notation
(Diagrams long paper)
David Barter and Peter Coppin
A Diagram Must Never be Ten Thousand Words: Text-Based (Sentential) Approaches to Diagrams Accessibility Limit Users’ Potential for Normative Agency
(Diagrams short paper)
12:30 – 14:00Lunch
14:00 – 15:30Session 1 : Theoretical Perspectives (I) Chair: Mateja Jamnik
Room: Aula Magna
Alexander Dobler and Martin Nöllenburg: On Computing Optimal Linear Diagrams
Simon Weisgerber: Visual Proofs as Counterexamples to the “Standard View” of Informal Mathematical Proofs?
Aayu Pandey: Three Solutions to the Liar Paradox
15:30 – 16:00Coffee
16:00 – 17:30Session 2: Cognition and Diagrams (I) Chair: Peter Cheng
Room: Aula Magna
Dimitra Bourou, Marco Schorlemmer and Enric Plaza:
Euler vs Hasse Diagrams for Reasoning About Sets: A Cognitive Approach
Guy Marshall, Caroline Jay and Andre Freitas:
Why scholars are diagramming neural network models
Hans Smessaert and Lorenz Demey:
Aspect Shifting in Aristotelian Diagrams
Henrik Kragh Sørensen and Mikkel Willum Johansen:
The epistemic roles of diagrams in short proofs
9:00 – 10:15Session 3: Logical Diagrams (I) Chair: Jens Lemanski
Room: Aula Magna
Stef Frijters
Generalizing Aristotelian Relations and Diagrams
Michał Sochański
Representing Formulas of Propositional Logic by Cographs, Permutations and Tables
Dave Beisecker and Amirouche Moktefi
John Cook Wilson’s hanging plants: A contribution to the history of early logic trees
Reetu Bhattacharjee and Amirouche Moktefi
Peirce’s complex diagrams
(afterwards: Poster madness)
10:30 – 11:00Coffee
11:00 – 12:30Session 4: Diagrams and Applications Chair: Hans Smessaert
Room: Aula Magna
Richard Lowe and Jean-Michel Boucheix
Ancillary diagrams: A substitute for text in multimedia resources?
Erica de Vries
Diagrams for learning to lead in salsa dancing
Emmanuel Manalo and Laura Ohmes
The Use of Diagrams in Planning for Report Writing
12:30 – 14:00 Lunch
14:00 – 15:30Session 5: History of Diagrams Chair: Amirouche Moktefi
Room: Aula Magna
Reetu Bhattacharjee and Jens Lemanski
Combing Graphs and Eulerian Diagrams in Eristic
Daniel Muzzulini
Taming the irrational through musical diagrams – from Boethius to Oresme and Nemorarius
Lorenz Demey and Hans Smessaert
A Database of Aristotelian Diagrams: Empirical Foundations for Logical Geometry
Francesca Ferrara and Giulia Ferrari
Origami and the emergence of hybrid diagrams
Theodor Berwe
On Lambert quadrilateral and why they cannot be diagrams (according to Lambert)
15:45 – lateSocial Program: Tour through Rome and Conference Dinner
(details can be found here)
9:00 – 10:30Keynote: Sun-Joo Shin
Chair: Valeria Giardino
Room: Aula Magna
Visual Representation and Abductive Reasoning
10:30 – 11:00Coffee
11:00 – 12:00Session 6: Logical Diagrams (II) Chair: Mikkel Willum Johansen
Room: Aula Magna
Lorenz Demey and Hans Smessaert
From Euler Diagrams to Aristotelian Diagrams
Pedro Falcão
Visualizing polymophisms and counter-polymorphisms in propositional S5
12:00 – 12:45Diagrams Assembly
12:45 – 14:00 Lunch
14:00 – 15:30Session 7: Cognition and Diagrams (II) Chair: Erica De Vries
Room: Aula Magna
Sean McGrath, Andrew Blake, Gem Stapleton, Anestis Touloumis, Peter Chapman, Mateja Jamnik and Zohreh Shams
Evaluating Colour in Concept Diagrams
Dirk Schlimm
Tables as powerful representational tools
Atsushi Shimojima and Dave Barker-Plummer
A Formal Model of Aspect Shifting: The Case of Dot Diagrams
Axel Barceló
How to visually represent structure
15:30 – 16:00Coffee
16:00 – 17:30Session 8: Theoretical Perspectives (II) Chair: Aaron Stockdill
Room: Aula Magna
Tuomo Hiippala and John Bateman
Introducing the diagrammatic semiotic mode
José Martín Castro-Manzano
Mixing colors, mixing logics
Matteo Pascucci and Claudio E. A. Pizzi
Normatively determined propositions
Greta Coraglia and Ivan Di Liberti
The diagrammatic calculus of a 2-category
Room: Aula Magna
9:00 – 10:30Inspirational ERC talk: Lorenz Demey
From Aristotelian Diagrams to Logical Geometry
10:30 – 11:00Coffee
11:00 – 12:30Graduate Symposium Chair: Reetu Bhattacharjee
Guy Clarke Marshall
An Investigation into the Scholarly Usage of Neural Network Systems Diagrams
Sofia E. Walters
Understanding Diagrammatic Reasoning through Predictive Processing
Claudia Anger
Euler-type Diagrams and Syllogistics A Discussion of Modern Notations, Solution Strategies and Potentials