Fix a link to the open research corpus
Missing "http://" caused it to think it is a relative path.
@@ -53,7 +53,7 @@ processing" venue, a "machine learning" venue, or an "artificial intelligence" v
scare quotes are because this is a totally artificial task, and there aren't solid lines between
these fields).
-We'll use the [open research corpus](labs.semanticscholar.org/corpus/) provided by the academic
+We'll use the [open research corpus](http://labs.semanticscholar.org/corpus/) provided by the academic
search engine [Semantic Scholar](http://semanticscholar.org), with a heuristically-edited "venue"
field. You can follow the link to see the full specification of this data, but it's provided as a
JSON-lines file, where each JSON blob has at least these fields:
