W3C Workshop on Web Standardization for Graph Data: Rules and Reasoning

It was interesting for me to be at a workshop whose Home Page
(https://www.w3.org/Data/events/data-ws-2019/index.html),
under "Beyond deduction: …", mentions "rule/s" three times
and whose Call For Participation lists, under "The scope includes:"
(https://www.w3.org/Data/events/data-ws-2019/cfp.html)
* requirements for rule languages for graph data
 
Here is my news item about its "Rules and Reasoning" session:
http://wiki.ruleml.org/index.php/W3C_Workshop_on_Web_Standardization_for_Graph_Data:_Rules_and_Reasoning
 
-- Harold