Commons:License Migration Task Force/Migration/zh-hant

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版權更新將影響維基百科,從GFDL授權格式,轉換成GFDLCreative Commons CC-BY-SA 3.0的授權格式。

As a part of this transition, any images licensed under the GFDL and meeting certain conditions described below may also be dual licensed. This will be accomplished in several waves. Initially, an announcement template will be added to each GFDL tag highlighting this change and linking to this page to explain the conditions. Following this, all existing GFDL images will be sorted both by bots and by humans to separate the ones we can relicense from the ones we can't. It is hoped that of the 1,700,000 GFDL images on Commons, approximately 90-95% can be sorted by automated processes, though we will still need your help in evaluating the remainder.


要符合轉授權的標準,該檔案必須符合以下幾個條件(規定於GFDL 1.3版,第11章):

  1. 必須以GFDL 1.3版本授權(包含如「GFDL 1.2或後繼版本」但不包含「限GFDL 1.2」)。
  2. 必須不得包含任何封面文本固定章節
  3. 必須於2009年8月1日前上傳至維基共享資源。
  4. 如果是首次發布至任何其他維基媒體計畫,必須於2008年11月1日前上傳到維基共享資源或其他維基媒體計畫。

任何符合以上這些規則的檔案,則可以於2009年6月15日以後,也可以採用Creative Commons {{cc-by-sa-3.0}}的授權方式。


In order to manage the media relicensing process, the {{license migration}} template system was created and embedded at the end of each GFDL tag. In addition, the GFDL tags were modified to accept a single parameter in the form of a migration keyword (i.e. "migration=keyword") where the keyword has one of the values described below and tells the license migration template what to do.

Empty parameter
(the default setting)
An announcement is displayed indicating that the GFDL image may be relicensed if it meets the criteria described above. Category:License migration candidates is added.
relicense 如果該影像確實能進行轉授權,請加上這段文字,範例如:{{GFDL|migration=relicense}}。這將會自動在GFDL標籤後面增加cc-by-sa-3.0標籤。此外該影像也會自動加入Category:License migration completed分類。
not-eligible 如果該影像確實不能進行轉授權,請加上這段文字,範例如:{{GFDL|migration=not-eligible}}。這將會把檢查宣告進行隱藏。此外該影像也會加入Category:License migration not eligible分類。
redundant If the image is eligible for migration but already has a CC-BY-3.0 or CC-BY-SA-3.0 tag, use this to indicate that relicensing would be redundant. Category:License migration redundant is added.
needs-review If you have looked at an image, and can't figure out whether it meets the criteria or not, use this keyword to flag it for further review. This will also be used by the review bot when it is unable to sort an image automatically. Category:License migration needs review is added.
opt-out This special category, described below, is for copyright holders who wish to exclude their image from relicensing. Category:License migration opt-out is added.

Note: the migration parameter may also be passed through the {{self}} multibox, e.g. {{self|GFDL|cc-by-sa-3.0|migration=redundant}}, and other GFDL templates such as {{GFDL-self|migration=relicense}}.



  • adding a {{cc-by-sa-3.0}} tag to the image description and changing the GFDL tag to {{GFDL|migration=redundant}}
  • replacing the existing GFDL tag with {{GFDL|migration=relicense}} which will automatically append a CC-BY-SA tag immediately after the GFDL tag.

Note that even if you aren't the copyright holder, you are still welcome to evaluate images based on the criteria in the top section of this page and mark as relicensed where appropriate.

The opt-out provision[edit]

Out of respect for a small group of Wikimedia contributors who are strongly opposed to relicensing, and in recognition that media files uploaded after August 1st, 2009 would still be allowed to be GFDL-only, the Foundation is allowing copyright holders of GFDL media to opt-out of relicensing if they explicitly request it. This provision exists at the discretion of the local community which may impose restrictions upon it (such as time limits on when the request can be made), or even prohibit the opt-out option. If someone chooses this option, the CC-BY-SA template will not be added. This option is not encouraged by the Foundation as it limits the use and availability of free content.