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diff --git a/beyond knowledge graphs.md b/beyond knowledge graphs.md
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--- a/beyond knowledge graphs.md	
+++ b/beyond knowledge graphs.md	
@@ -1,6 +1,6 @@
 - a [[talk]]
 	- [[augment minds 2021]]
-	- [[paul bricman]]
+	- by [[paul bricman]]
     - [[designing semantic spacetimes in five mechanics]]
 	- [[push]] [[semantic embeddings]]
 		- a set of coordinates in space that can be assigned to a piece of content.
@@ -17,7 +17,11 @@
 		- static linking: you use [[wikilinks]] in a tool like [[roam]] to link out to particular notes
 		- dynamic linking: you select a fragment of a note and make it into a link
 			- the results of the retrieval process depend on an evolving corpus
+	- [[time as a first class citizen]]
+		- no timestamp involved in at least [[obsidian]] vaults
+		- there might be many situations where storing the timestamp of a document could be very useful
 		
-	![[Pasted image 20210725190339.png]]
-	![[Pasted image 20210725191304.png]]
-	![[Pasted image 20210725191910.png]]
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+![[Pasted image 20210725191304.png]]
+![[Pasted image 20210725191910.png]]
+![[Pasted image 20210725192533.png]]	
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