e-tissage

traitements d'information & outils numériques
pour êtres humains

in English

post in English

GeoGraph : Normalized Categorization of Multisource Geolocated Data

How GeoGraph, a multisource database of geolocated objects has been build, and how objects categorization is normalized with the Landmarks Objects Ontology build for the Choucas project. We will look into how the graph structure can be used in this context and demo how results of database queries can be displayed on a map, with a QGIS script.

screenshots of slides of the presentation (see pdf in post)

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Véronique Gendner

24 janvier, 2022 at 5:51

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

NODES2020 : 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

Who Fears Artificial NON Intelligence ?

Since a bunch of plastic and electronic components beat go game champions, the world is shaken by a new hysterical1 crisis about « Artificial Intelligence. » A peak of delirium has been reached when MEPs have advocated the creation of a special legal personality for robots2. Why not a legal personality for bathroom carpets, while we’re at it ? Why not ? Some do consider them a serious deadly danger … How did we get here ???

Geluck – I say, Artificial Intelligence is good, unless it is to serve natural bullshitting
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Véronique Gendner

25 juin, 2017 at 3:01

Catégorie(s): Point de vue, in English

Transfer Pricing

Véronique Gendner

10 août, 2016 at 1:59