Complex sentence: Chosun Ilbo and its subsidiary company, Digital Chosun operates the Chosun.com news website, which also publishes web versions of the newspaper in English, Chinese, and Japanese.
Split into simpler sentences: Chosun Ilbo and its subsidiary company, Digital Chosun operates the Chosun.com news website. Other language versions are published on the internet in English, Chinese, and Japanese.