Update README.md

README.md

@@ -7,4 +7,14 @@ sdk: static
 pinned: false
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-Edit this `README.md` markdown file to author your organization card 🔥
+# Repository goal
+The goal of this repository is to store the different graph datasets currently available as benchmarks, to provide them in an homogeneous and easily loadable way.
+
+# Available Graphs
+## Open Graph Benchmark
+
+Graph classification task: 
+- ogbg-molhiv
+- ogbg-molpcba
+- ogbg-ppa
+- ogbg-code2