traitements d'information & outils numériques
pour êtres humains

Conférences / Rencontres

Knowledge Graph Conference demo session : Neodash

Graphs are a very useful formal structure because you can represent in one place, the precise complexity of your data, by interrelating lists, hierarchies, categorizations and tables. You can also avoid being lost in complexity by choosing what to expose for a specific purpose, in any of those more basic formal structures.

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Véronique Gendner

22 mai, 2023 at 4:12 pm

NODES 2022 : Genealogy with different graph technologies for data collection & visualization

Graphs are a very interesting structure to get the best of human thinking combined with automatic processing. Through a very intuitively graph based use case – genealogy – the following presentation at the Nodes 2022 conference takes genealogical researches as an example to illustrate possibilities that can be applied to many domain of research. It is demoing several graph issues and technologies, from data collection to visualization, including data transfer from one app to another:

  • documentation collection, in a graph structure, with TheBrain Technologies application,
  • Gramps visualizations based on a family tree specific layout algorithm
  • Bloom for visual and interactive exploration of data structured in graph and
  • yWorks to make precisely selected information of interest, stand out on a graph display
  • as well as Neo4j graph database as a pivot technology, to make use of graph topology and graph pattern matching

Data collection and export/import process from TheBrain to Gramps via Neo4j are presented, graph models are discussed.

gif animé de 6 slides
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Véronique Gendner

17 novembre, 2022 at 3:09 pm

GeoGraph : Modelling and building a graph database of multi-source landmarks to help emergency mountain rescuers

The purpose of the Choucas research project is to come up with methods, tools and resources, to help mountain rescue team localise victims, when answering emergency calls. In this context, we have built a graph data base with the Neo4j Label Property Graph (LPG) technology, that integrates several sources of geolocated objects. Some data comes from the national mapping agency (IGN BDTOPO), others, like routes from crowdsourcing websites. Categorization of multi-source imported data has been normalized by an instantiation process based on the Landmarks Objects Ontology (OOR) that had previously been produced by the project team.
The flexibility of graph databases helps make the right modelling choices by progressively taking into account problems observed in the data as well as researchers and users feedback and new needs.

A more in depth presentation of this work, with a demo of a python script to display the content of the database on a map, with QGIS can be seen here.

4 screen print extracted from the presentation (see pdf in post)

Here is the presentation of this work done at the International Cartographic Conference, on 15th Dec. 2021 : Lire la suite »

Véronique Gendner

15 décembre, 2021 at 3:37 pm

NODES 2020 : Using Cypher to Extend a Graph-Based Documentation

At NODES2020, I’ve presented about graphs for humans : how to manually build a graph structured documentation with TheBrain Technologies, and why this graph writing is so useful.

Also how cypher (Neo4j *) can be used to automatically extract tables or hierarchies needed for specific contexts of use of this documentation.

Along the way, I’ve exposed some ideas about Information Design, the way I see it, that is including all that concerns representation of information but also structuring and the way they are interrelated.

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Véronique Gendner

23 octobre, 2020 at 10:44 am

actu: demain au Divan du monde, troisième soirée *di*/zaïn consacrée à toutes les formes d’écritures numériques


Designers Interactifs a initié en septembre dernier une série de 10 soirées *di*/zaïn. La troisième édition qui aura lieu le 4 décembre au Divan du monde sera consacrée à toutes les formes d’écritures numériques.

Programme et inscriptions ici

Véronique Gendner

3 décembre, 2012 at 4:11 pm

Catégorie(s): Conférences / Rencontres