開放 かいほう がた文書 ぶんしょ体系 たいけいでしょう
kaihōga tabun shota ikeideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 開放型文書体系

1. Probably an open document system.

Polite
Presumptive
Conjecture
Computing