renamed subj/obj to e1/e2 to better align with dataset

kbp37.py

@@ -123,10 +123,10 @@ class KBP37(datasets.GeneratorBasedBuilder):
                 {
                     "id": datasets.Value("string"),
                     "token": datasets.Sequence(datasets.Value("string")),
-                    "subj_start": datasets.Value("int32"),
-                    "subj_end": datasets.Value("int32"),
-                    "obj_start": datasets.Value("int32"),
-                    "obj_end": datasets.Value("int32"),
+                    "e1_start": datasets.Value("int32"),
+                    "e1_end": datasets.Value("int32"),
+                    "e2_start": datasets.Value("int32"),
+                    "e2_end": datasets.Value("int32"),
                     "relation": datasets.ClassLabel(names=_CLASS_LABELS),
                 }
             )
@@ -198,35 +198,36 @@ class KBP37(datasets.GeneratorBasedBuilder):
                     text = text.replace("</e2>", " </e2> ")
                     text = text.strip().replace(r"\s\s+", r"\s")
                     tokens = text.split()
-                    subj_start = tokens.index("<e1>")
-                    obj_start = tokens.index("<e2>")
-                    if subj_start < obj_start:
-                        tokens.pop(subj_start)
-                        subj_end = tokens.index("</e1>")
-                        tokens.pop(subj_end)
-                        obj_start = tokens.index("<e2>")
-                        tokens.pop(obj_start)
-                        obj_end = tokens.index("</e2>")
-                        tokens.pop(obj_end)
+                    e1_start = tokens.index("<e1>")
+                    e2_start = tokens.index("<e2>")
+                    if e1_start < e2_start:
+                        tokens.pop(e1_start)
+                        e1_end = tokens.index("</e1>")
+                        tokens.pop(e1_end)
+                        e2_start = tokens.index("<e2>")
+                        tokens.pop(e2_start)
+                        e2_end = tokens.index("</e2>")
+                        tokens.pop(e2_end)
                     else:
-                        tokens.pop(obj_start)
-                        obj_end = tokens.index("</e2>")
-                        tokens.pop(obj_end)
-                        subj_start = tokens.index("<e1>")
-                        tokens.pop(subj_start)
-                        subj_end = tokens.index("</e1>")
-                        tokens.pop(subj_end)
+                        print('Should not happen: ' + example)
+                        tokens.pop(e2_start)
+                        e2_end = tokens.index("</e2>")
+                        tokens.pop(e2_end)
+                        e1_start = tokens.index("<e1>")
+                        tokens.pop(e1_start)
+                        e1_end = tokens.index("</e1>")
+                        tokens.pop(e1_end)
 
                     # some examples, like train/1276 are invalid (empty head/tail), and
                     # yield non-sensical examples without this check
-                    if subj_end > subj_start and obj_end > obj_start:
+                    if e1_end > e1_start and e2_end > e2_start:
                         yield int(id_), {
                             "id": id_,
                             "token": tokens,
-                            "subj_start": subj_start,
-                            "subj_end": subj_end,
-                            "obj_start": obj_start,
-                            "obj_end": obj_end,
+                            "e1_start": e1_start,
+                            "e1_end": e1_end,
+                            "e2_start": e2_start,
+                            "e2_end": e2_end,
                             "relation": relation,
                         }
                 else: