Table 4.

Alzheimer’s disease top 20 related entity scores (PKDE4J)

No	Entity A	Entity C	Proposed	Co-occurrence	Word2Vec	COALS	Random indexing
1	Alzheimer’s disease	TAU	1	0.6181	0.607	0.6424	0.6188
2	Alzheimer’s disease	MCI	0.99	1	0.7571	0.1408	0.084
3	Alzheimer’s disease	Memory	0.9873	0.5843	0.6139	0.6618	0.6395
4	Alzheimer’s disease	Parkinson’s disease	0.935	0.5004	0.8704	1	1
5	Alzheimer’s disease	CSF	0.9072	0.4738	0.5717	0.1133	0.0547
6	Alzheimer’s disease	APP	0.9062	0.6204	0.5685	0.3317	0.2876
7	Alzheimer’s disease	APOE	0.8879	0.4328	0.606	0.1214	0.0633
8	Alzheimer’s disease	Neurodegenerative diseases	0.8689	0.4348	0.7678	0.11	0.0512
9	Alzheimer’s disease	Impairment	0.8035	0.1258	0.7224	0.9951	0.9948
10	Alzheimer’s disease	Amyloid beta	0.8024	0.4199	0.615	0.0777	0.0661
11	Alzheimer’s disease	Cognitive impairment	0.8002	0.1237	0.7617	0.1019	0.0426
12	Alzheimer’s disease	Neurodegeneration	0.7984	0.1464	0.7375	0.233	0.1823
13	Alzheimer’s disease	Neurodegenerative disorders	0.7863	0.2935	0.767	0.1521	0.0961
14	Alzheimer’s disease	Depression	0.7827	0.241	0.6844	0.4013	0.3617
15	Alzheimer’s disease	Oxidative stress	0.782	0.2512	0.6038	0.1084	0.0495
16	Alzheimer’s disease	Hippocampus	0.7794	0.0856	0.6091	0.1553	0.0995
17	Alzheimer’s disease	Vascular dementia	0.7683	0.3273	0.7796	0.6845	0.6636
18	Alzheimer’s disease	Patients	0.7589	0.016	0.9726	0.1235	0.0661
19	Alzheimer’s disease	Neurofibrillary tangles	0.7448	0.3975	0.6191	0.1553	0.0995
20	Alzheimer’s disease	MRI	0.7405	0.1315	0.5843	0.1472	0.0909