what does n2n.txt mean in pTransE

[ShellingFord221]

Hi,
In test file of pTransE, there is an input file named n2n.txt (KB2E/PTransE/data/). What does it mean?

[Mrlyk423]

It indicates the relation type such as 1-to-1, 1-to-n, n-to-1 and n-to-n.