Fix of bugs and semantics

Project_Model/Libs/BPE/Enums/SpecialToken.py

@@ -0,0 +1,21 @@
+from enum import Enum
+
+
+class SpecialToken(Enum):
+    # (Enum, str) -> throws an error
+    START_TRIPLE_LIST = "<SOTL>"
+    START_TRIPLE = "<SOT>"
+    END_TRIPLE = "<EOT>"
+    SUBJECT = "<SUBJ>"
+    RELATIONSHIP = "<PRED>"
+    OBJECT = "<OBJ>"
+    ABSTRACT = "<ABS>"
+    CORPUS_END = "<END>"
+
+    ## Tasks' Token
+    RDF_TO_TEXT = "<RDF2TXT>"
+    TEXT_TO_RDF = "<TEXT2RDF>"
+    CONTINUE_RDF = "<CONTINUERDF>"
+    MASK = "<MASK>"
+
+    # BPE Training: