diff --git a/courses/swuv.md b/courses/swuv.md
index 74ebe484c07e24235bbfb6f54c08c475319abfab..0eb704eb24412b976c62aa05606f33b0fc1ca5a9 100644
--- a/courses/swuv.md
+++ b/courses/swuv.md
@@ -72,7 +72,7 @@ Therefore, the seminar is well-suited for newcomers, e.g., students interested i
 | 29. 06. 2023 | Jakob Gross| Haskell/Hardware||
 | 06. 07. 2023 | Mark Tintemann| Metamath0 ||
 | 13. 07. 2023 | Yasmeen Shawat|Weak Type Theory||
-| 20. 07. 2023 |????? | ??? |12-14|
+| 20. 07. 2023 | Omar Lotfy | An verview of ontology querying |12-14|
 | 20. 07. 2023 | Jeremias Mennecke | Automated Generation of exam sheets ||
 
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