AsOf

Preferred Networks · releasedPFRL

valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.asserted

What the statuses mean

Valid from
2020-07-30
Valid until
still holds
Published
2020-07-29
Recorded by AsOf
2026-11-14
Checked
2026-11-14 · its source page states the value and the date, as read by an AI model
Confidence
0.70

Sources

“TOKYO – July 30, 2020 – Preferred Networks, Inc. (PFN) today released PFRL , a new open-source deep reinforcement learning (DRL) library for PyTorch users who intend to apply cutting-edge DRL algorithms to their problems of interest.”— what the page says, read 2026-11-14

Cite this claim

Each form names the value, its as-of date (2020-07-30), the day you read it (2026-11-14), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "Preferred Networks released: PFRL", as of 2020-07-30. Claim clm_3C77DEFAD79B, https://asof.is/claim/clm_3C77DEFAD79B, accessed 2026-11-14. Source: https://www.preferred.jp/en/news/pr20200730.
APA
AsOf. (2020). Preferred Networks released: PFRL (as of 2020-07-30) [Record clm_3C77DEFAD79B]. Retrieved November 14, 2026, from https://asof.is/claim/clm_3C77DEFAD79B (source: https://www.preferred.jp/en/news/pr20200730)
BibTeX
@misc{asof_clm_3C77DEFAD79B,
  author = {AsOf},
  title = {Preferred Networks released: PFRL},
  year = {2020},
  howpublished = {\url{https://asof.is/claim/clm_3C77DEFAD79B}},
  note = {Claim clm\_3C77DEFAD79B, as of 2020-07-30; source: https://www.preferred.jp/en/news/pr20200730},
  urldate = {2026-11-14}
}

On the record

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