# RFC 4481: Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Information for Past and Future Time Intervals

> request for comments publication

**Wikidata**: [Q47468759](https://www.wikidata.org/wiki/Q47468759)  
**Source**: https://4ort.xyz/entity/rfc-4481-timed-presence-extensions-to-the-presence-information-data-format-pidf-to-indicate-status-information-for-past-and-future-time-intervals


## References

1. RFC Index
2. DBLP Dataset 2021-01-02