[1] [CITE@en[Permissions and Obligations Expression Working Group]]
([TIME[2016-07-20 20:09:25 +09:00]])
<https://www.w3.org/2016/poe/wiki/Main_Page>

[2] [CITE@en-US[Permissions & Obligations Expression Working Group Charter]]
([TIME[2016-02-27 03:29:58 +09:00]])
<https://www.w3.org/2016/poe/charter>

[3] [CITE@en[ODRL Information Model]]
([TIME[2017-09-23 00:41:59 +09:00]])
<https://www.w3.org/TR/2017/CR-odrl-model-20170926/>

[4] [CITE@en[ODRL Vocabulary & Expression]]
([TIME[2017-09-23 15:52:12 +09:00]])
<https://www.w3.org/TR/2017/CR-odrl-vocab-20170926/>

[5] [CITE@en[ODRL Information Model 2.2]]
([TIME[2017-12-23 14:06:29 +09:00]])
<https://www.w3.org/TR/2018/PR-odrl-model-20180104/>

[6] [CITE@en[ODRL Vocabulary & Expression 2.2]]
([TIME[2017-12-23 14:08:50 +09:00]])
<https://www.w3.org/TR/2018/PR-odrl-vocab-20180104/>

[7] [CITE@en[ODRL Information Model 2.2]]
([TIME[2018-02-10 17:05:38 +09:00]])
<https://www.w3.org/TR/2018/REC-odrl-model-20180215/>

[8] [CITE@en[ODRL Information Model 2.2]]
([TIME[2018-03-20 18:10:29 +09:00]])
<https://w3c.github.io/poe/model/>

[9] [CITE@en[ODRL Vocabulary & Expression 2.2]]
([TIME[2018-02-10 17:08:29 +09:00]])
<https://www.w3.org/TR/2018/REC-odrl-vocab-20180215/>

[10] [CITE@en[ODRL Vocabulary & Expression 2.2]]
([TIME[2018-03-20 18:10:29 +09:00]])
<https://w3c.github.io/poe/vocab/>

[11] [CITE@en-US[ODRL: A Path Well Travelled | W3C Blog]]
([TIME[2018-03-25 23:01:56 +09:00]])
<https://www.w3.org/blog/2018/02/odrl-a-path-well-travelled/>

[12] [CITE@en-US[ODRL Community Group]]
([TIME[2015-08-14 12:46:56 +09:00]] 版)
<https://www.w3.org/community/odrl/>


[13] [[Open License Expression Working Group]]