diff --git a/pages/UpEnd.md b/pages/UpEnd.md
index 5eef1e5..b76cea6 100644
--- a/pages/UpEnd.md
+++ b/pages/UpEnd.md
@@ -16,9 +16,9 @@
 
 ## Base structure
 > - databaze kde mas dva druhy objektu: data, a meta
->   - (jedinej rozdil je, ze data actually odkazujou hashem na nejakej file, a meta neodkazujou nikam, jenom slouzej jako "anchor")
+>   - (jedinej rozdil je, ze data actually odkazujou [[hash]]em na nejakej file, a meta neodkazujou nikam, jenom slouzej jako "anchor")
 > - a ke kazdymu objektu muzes mit arbitrarni keys a values
->   - kazdy takovy key/value tvori `E/A/V` triplet (see [Entity Attribute Value model (Wikipedia)](https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model)):
+>   - kazdy takovy key/value tvori jeden `E/A/V` triplet (see [Entity Attribute Value model (Wikipedia)](https://en.wikipedia.org/wiki/Entity%E2%80%93attribute%E2%80%93value_model)):
 >     - `E`ntity = objekt (`neconeco.mp3`, resp. jeho [[hash]])
 >     - `A`ttribute = klic (`year`)
 >     - `V`alue = hodnota klice (`2020`)
@@ -94,8 +94,20 @@
 
 ## Highly adjacent projects!
 
+### Datalog
+
+v podstate identicky E/A/V model
+
 [Learn Datalog Today!](http://www.learndatalogtoday.org/chapter/1)
 
+### BeOS / HaikuOS
+
+<https://www.howtogeek.com/696193/what-was-beos-and-why-did-people-love-it/>
+
+Idea s [[filesystem]]em jakozto databazi s metadaty:
+
+<https://www.haiku-os.org/docs/userguide/en/workshop-filetypes+attributes.html>
+
 # Information enters, is processed
 ![[mapping_language.png]]