固有 こゆう表現 ひょうげん抽出 ちゅうしゅつじゃなかったです
koyūhyōgenchūshutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 固有表現抽出

1. Wasn't named entity recognition.; Wasn't extracting named entities.

Past/Perfective
Negative
Polite
Casual Register
Computing