register the is_same column

2018thresh10corpus.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3b0d40f46c726b44d50f3bf04012d04f0d0c5b19366ecd1b7d48eb5800340c00
-size 179962150
+oid sha256:da0986792d65bb2639a77c29ca6e785ffd971edbf49943c4987be68a29bd2330
+size 188776976

2018thresh20corpus.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:aa27205303089d737ccbe0baf6a216c99fe2a4dda3876a22cfb35b9364c6bed1
-size 130267169
+oid sha256:6baf503753198445a388b650edb59f7faef2ecc95c52b0f39edac5d4d40da5cc
+size 136658267

2018thresh5corpus.csv

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:98ec11d644c10f5dca6603187be83a6732c4011173e872f49fbe7e8496e82cf1
-size 235345206
+oid sha256:8421a796ff5cf834c0b5ad50afe500ec28f86be825e901ae12a7dcffd580bed9
+size 246919376

wiki-entity-similarity.py

@@ -83,6 +83,7 @@ class WikiEntitySimilarity(datasets.GeneratorBasedBuilder):
                 {
                     'article': datasets.Value('string'),
                     'link_text': datasets.Value('string'),
+                    'is_same': datasets.Value('bool'),
                 }
             ),
             citation=_CITE,