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History of GreyCat

On this page we lead you through the key dates that made GreyCat possible

2009
Kevoree

Kevoree, François’ thesis on knowledge database softwares in France. Kevoree paper.

2010
And then there where two

Gregory joins François’ research and brings an industrial point of interest to the technology by adding embedded devices and sensors data, robot automation and facilities management insights/use case. Kevoree evolves with KMF and modelling

2012
Time Series

They arrive in Luxembourg to continue their research and development. Time series data is added to Kevoree. Thomas joins the team and starts his thesis about transposing this technology to the energy grid.

2013
Energy Sector Prototype

First prototype of the Energy Grid Digital Twin.

2016
Many Worlds

Many World Graph Database – on top of the knowledge graph of Kevoree, Many World Graph Database adds tools and capacities to use this database, notably predictions and simulations capacities powered by AI and Machine Learning. It is a technology that captures a world’s attributes and relations and predicts and simulate different scenarios (different parallel worlds) based on knowledge_ there is always a real initial world and n divergent worlds. The order of divergent worlds could go to 1.000.000 n. Paper of Many World Graph Databse.

2017
GreyCat

GreyCat, a real time programmable temporal graph database. The GreyCat programming language is developed to code data directly and provide a minimum stacking option so that the database remains fast and delivers optimal performance for application developers. The GreyCat language aims as well to ease learning and adoption of this technology. Assaad joins the team and provides his expertise on Maths and Machine Learning algorithms for state-of-the-art Machine Learning and AI algorithms..

2017
Datathings

Creation of the company DataThings, as a spin-off of the SnT / University of Luxembourg, to pursue GreyCat’s development and implementation on industry use cases.

2023
Alva

Deployment of ALVA in Luxembourg for CREOS, a digital twin of the electricity grid powered by GreyCat, with 350 000 points of distribution, 1 500 000 data sources updated every 15 min in less than 1 minute. ALVA enables monitoring of the grid in real time, simulation and predictions of electricity consumption with up to 95% accuracy and production and grid maintenance supervision..

2024
Roaming Cat

GreyCat becomes available to the public.