python/dglke/models/mxnet/score_fun.py (3 lines):
	- line 261: # TODO: check if there exists minus sign and if gamma should be used here(jin)
	- line 328: # TODO: check if there exists minus sign and if gamma should be used here(jin)
	- line 410: # TODO: check if use self.gamma


python/dglke/models/pytorch/score_fun.py (3 lines):
	- line 234: # TODO: check if there exists minus sign and if gamma should be used here(jin)
	- line 306: # TODO: check if there exists minus sign and if gamma should be used here(jin)
	- line 393: # TODO: check if use self.gamma


python/dglke/models/general_models.py (2 lines):
	- line 562: # TODO: add subsampling to new sampler
	- line 571: #TODO: only reg ent&rel embeddings. other params to be added.