[1] [CITE@en[RFC 4119 - A Presence-based GEOPRIV Location Object Format]]
([TIME[2018-02-11 21:10:31 +09:00]])
<https://tools.ietf.org/html/rfc4119>

[2] [CITE[RFC Errata Report » RFC Editor]]
([TIME[2018-02-24 14:47:00 +09:00]])
<https://www.rfc-editor.org/errata_search.php?rfc=4119>

[3] [CITE@en[RFC 5491 - GEOPRIV Presence Information Data Format Location Object (PIDF-LO) Usage Clarification, Considerations, and Recommendations]]
([TIME[2018-02-18 17:26:38 +09:00]])
<https://tools.ietf.org/html/rfc5491>

[4] [CITE[RFC Errata Report » RFC Editor]]
([TIME[2018-02-24 14:51:08 +09:00]])
<https://www.rfc-editor.org/errata_search.php?rfc=5491>

[5] [CITE@en[RFC 5139 - Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO)]]
([TIME[2018-02-11 18:30:45 +09:00]])
<https://tools.ietf.org/html/rfc5139>

[6] [CITE@en[RFC 5774 - Considerations for Civic Addresses in PIDF-LO]]
([TIME[2018-02-11 19:30:46 +09:00]])
<https://tools.ietf.org/html/rfc5774>

[7] [CITE[RFC Errata Report » RFC Editor]]
([TIME[2018-02-24 15:05:43 +09:00]])
<https://www.rfc-editor.org/errata_search.php?rfc=5774>

[8] [CITE[PIDF-LO Civic Address Considerations Registry]]
([TIME[2014-01-31 02:45:11 +09:00]])
<https://www.iana.org/assignments/pidf-lo-civic-address-considerations/pidf-lo-civic-address-considerations.xhtml>

[9] [CITE@en[RFC 6848 - Specifying Civic Address Extensions in the Presence Information Data Format Location Object (PIDF-LO)]]
([TIME[2018-02-11 17:39:38 +09:00]])
<https://tools.ietf.org/html/rfc6848>

[10] [CITE@en[RFC 7459 - Representation of Uncertainty and Confidence in the Presence Information Data Format Location Object (PIDF-LO)]]
([TIME[2018-02-11 21:44:59 +09:00]])
<https://tools.ietf.org/html/rfc7459>