diff --git a/src/teaching/cse-562/2019sp/index.erb b/src/teaching/cse-562/2019sp/index.erb
index c813b18f..76ce3fb7 100644
--- a/src/teaching/cse-562/2019sp/index.erb
+++ b/src/teaching/cse-562/2019sp/index.erb
@@ -190,19 +190,27 @@ schedule:
       slides: "slide/2019-04-26-ProvenanceSemirings.html"
   - date: "Apr 29"
     topic: "Implementing Provenance Queries"
+    materials:
+      slides: "slide/2019-04-29-ProvenanceImplementation.html"
     textbook: "Ch. 23.5"
   - date: "May 1"
     due: "Homework 9"
-    topic: "Provenance and Uncertainty"
+    topic: "Incomplete Databases"
+    materials:
+      slides: "slide/2019-05-01-IncompleteDBs.html"
   - date: "May 3"
-    topic: "TBD"
+    topic: "Checkpoint 4"
+    materials:
+      slides: "slide/2019-05-03-Checkpoint4.html"
   - date: "May 6"
-    due: "Homework 10"
-    topic: "Buffer Day"
+    topic: "Probabilistic Databases"
+    materials:
+      slides: "slide/2019-05-06-ProbDBs.html"
   - date: "May 8"
-    topic: "Final Exam Review 1"
+    due: "Homework 10"
+    topic: "Final Exam Review"
   - date: "May 10"
-    topic: "Final Exam Review 2"
+    topic: "Demo Day"
 
 
 ---