Used to cite a source of information, typically a person, report, or data. Often followed by a clause stating what that source says.
See also: によって
天気予報によれば、明日は雨が降るそうです。
According to the weather forecast, it will rain tomorrow.
彼の話によれば、会議は来週に延期され
According to him, the meeting has been postponed to next week.
によると and に拠れば both mean 'according to', but によると is more common in spoken Japanese while に拠れば is often preferred in formal writing.
Applies to each form listed below
Rare kanji form; it is rarely used.
Rare kanji form; it is rarely used.
Rare kanji form; it is rarely used.
Derived from the particle に plus the conditional form of the verb よる (拠る・依る・因る), meaning 'to be based on' or 'to depend on'. The exact historical derivation is straightforward.