expression
Used to cite a source of information, often with nouns like 話, 噂, 調査, or 天気予報. Functions as a conditional form of よる (因る・拠る).
天気予報によれば、明日は晴れるそうです。
According to the weather forecast, it will be sunny tomorrow.
彼の話によれば、会議は延期になったらしい。
According to him, the meeting has been postponed.