Questions tagged [cc-by-sa]

For questions about the Creative Commons Attribution-ShareAlike (CC BY-SA) licenses.

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4
votes
1answer
28 views

Creative Commons ShareAlike, weak or strong copyleft?

I am wondering whether Creative Commons ShareAlike is a weak or strong copyleft license. That is, does it allow linking with code with under a different license?
1
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1answer
33 views

What is the correct way to receive and give attribution to CC BY-SA asset contributions on a project managed with git?

The Creative Commons website gives this example for giving attribution to an image that was found on a website. For this project, contributors who wish to contribute assets would be sending the assets ...
1
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1answer
40 views

What is the correct way to add a CC BY-SA 4.0 license to the assets in a project already licensed under GPLv3?

These assets would include images, sounds, and anything else in the project besides the source code. I own the copyright to these assets. To be clear, I'm asking how I would actually apply the ...
5
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1answer
51 views

In which cases must I relicense my product under the CC BY-SA license?

Because copyright law can encompass a huge range of scenarios and be unclear to talk about in abstract terms, I'm going to give concrete examples. I understand CC BY is a permissive license. All it ...
1
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1answer
41 views

How do Wikipedia licenses, CC-BY-SA and GFDL differ?

Wikipedia licenses most of their text and images under two licenses, CC-BY-SA and GFDL. We can choose either of the licenses while using the work. I know both of them are copyleft licenses and ...
10
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2answers
1k views

Will adding a BY-SA image to a blog post make the entire post BY-SA?

I tried to read the license deed but it was too advanced for me to understand. Consider these 2 situations, I take a CC-BY-SA image and upload it to my blogpost it as is, without any modification. I ...
2
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1answer
54 views

My university is asking to choose between BY-SA and GFDL to release my work

An infographic I designed is to be uploaded to my university website. They have asked me to choose between the BY-SA and GFDL to release my work. I tried looking up the difference but I cannot find ...
4
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1answer
69 views

Can I sell Wiktionary data?

I'm wanting to sell Wiktionary word definitions - not the raw page HTML and content, but extract the word definitions and package them in a couple of formats: Documents (e.g. PDF) Powerpoints App ...
3
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1answer
46 views

Licensing a segmentation dictionary derived from CC SA-BY source (Wikipedia)

We are creating a Japanese Morphological Analyzer (https://github.com/ku-nlp/jumanpp), but it needs a segmentation dictionary to perform the analysis. We want to license the analyzer under a ...
3
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1answer
66 views

Using Wiktionary data in mobile app

I'm planning a language app for mobile devices using data from Wiktionary. I'm planning on web-scraping the content and compiling it into a database that I'll package with my app. Most Wiktionary ...
4
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1answer
51 views

How could I copyleft a document that contains a substantial amount of both code and prose?

I am writing a document in LaTeX that contains large sections of Python code and output. Typically, I like to license my writing under CC BY-SA 4.0 and my code under GPLv3. I have already placed a CC ...
2
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1answer
87 views

MIT-licensed project with CC-BY-SA dependency

I have a project (code) that I am wanting to license as MIT. It has a few dependencies, mostly assets (icons and images). Some dependencies are MIT and I include their licenses in the source, but a ...
11
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2answers
437 views

Can I “upgrade” the version of CC BY-SA from 3.0 to 4.0 in my modification?

What I'm doing: I'm adapting a work licensed under CC BY-SA 3.0 Unported license to a different language. I'm indicating the original work and its license. I'm indicating that I have made changes to ...
3
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1answer
38 views

Can an author of a GFDL content allow a publisher to publish a propietary derivative?

I wrote some texts and put then in the Wikisource website, which says that the content is available under both CC-BY-SA 3.0 and GFDL. Suppose a certain publisher wants to create a printed book based ...
0
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0answers
14 views

can I use CC BY-SA 3.0 media (pictures) in a software partly licensed under a non-derivative license?

I am working on a software wich contains graphics i didn't make that are licensed under CC BY-SA 3.0. since the software contains other parts I didn't make, I want to put it under two different ...
3
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1answer
102 views

Using code from Wikipedia

I have some code for an algorithm that is published on Wikipedia. Can I use that code in a commercial software? Or would this mean that I would introduce a viral license and would have to share my ...
4
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2answers
71 views

Wiki template licensing?

I do some editing for Wiki A, which is generally licensed in a typical wiki fashion: Content is available under GNU FDL 1.3 unless otherwise noted. Wiki B uses some templates I'd like to copy for ...
3
votes
1answer
108 views

Using CC BY-SA music in a podcast

We've just started a podcast and we're not sure which license we will give it. Might be CC or public domain, for now we keep it to the default (all rights reserved). The podcast is about 20 minutes ...
4
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2answers
56 views

Does Stack Exchange disallow me to use posted contents in an Apache 2.0 licensed project?

Content posted on Stack Exchange sites like Stack Overflow or Electrical Engineering are CC-BY-SA 3.0 licensed. User contributions licensed under cc-by-sa 3.0 See the footer of any SE site: As ...
10
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2answers
540 views

Can I post code examples with GPL software on Stack Overflow?

Suppose there is a Python library called g which is licensed under GPL v2.0 (or v3.0). Suppose further that the library is sufficiently complex that it contains some C/C++ component(s) that are ...
7
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1answer
78 views

Can I license Latex code under GPL but the content under CC BY-SA?

I have written a non-trivial scientific text for university. It is written in Latex and I want to make the source available under GPL (v3 if that matters) so other can learn from my Latex skills. ...
3
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1answer
283 views

Can I use source code licensed under CC-BY-SA for commercial closed source project?

I want to use some source code under CC-BY-SA for my company's project. That project is commercial and closed source code. I want our project not to have obligation to release the source code. Is this ...
6
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1answer
94 views

Quoting your own content (in your own work, licensed under CC BY-SA 3.0) to avoid licensing it

Bob writes an article and licenses it under CC BY-SA 3.0. Certain laws can permit Bob to include someone else’s content in his article, even if this content isn’t compatibly licensed. For example, ...
4
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2answers
90 views

Protection from 'this version or later' in CC BY-SA

I was wondering about the meaning of this term in CC BY-SA 4.0 (and others), with this context: In addition to the conditions in Section 3(a), if You Share Adapted Material You produce, the ...
4
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1answer
67 views

Is it more accurate to compare CC BY-SA to LGPL rather than GPL?

CC BY-SA, LGPL and GPL are all copyleft licenses. GPL's key feature is that by embedding one work in another (as defined in a software context), the combined work becomes GPL. With LGPL this is not ...
2
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1answer
63 views

Can I embed proprietary content in a CC BY-SA website?

I would like to build a free open-source copylefted personal website under the Creative Commons Attribution-ShareAlike license (or a similar such license). However, I would like to still be able to ...
0
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1answer
58 views

Can I use a CC-BY-SA licensed image as part of my online course's cover (commercial use)?

I'm creating online course about coding with the Express JavaScript framework, whose site and logo are licensed under the CC-BY-SA license. Since my course is about Express, I want to use Express's ...
7
votes
1answer
145 views

Creative Commons license CC BY-SA doesn't work for commercial content?

I'm puzzled by the "share-alike" clause in Creative Commons license. This license allows free commercial use but "require[s] [] adaptations of the work to be released under the same or similar license ...
2
votes
1answer
429 views

Can derivatives of CC BY-SA works be licensed under CC BY-NC-SA?

Does the CC BY-SA license prevent additional restrictions being placed on derivatives? I'm wondering, if I release a work under BY-SA, can someone else create a derivative and license it under BY-NC-...
3
votes
1answer
75 views

Using CC BY-SA images in commercial print

I have created a custom set of playing cards and I want to use Wikimedia Commons pictures released as CC BY-SA 3.0 DE as illustration on the cards. Every card uses one picture. The pictures are not ...
8
votes
1answer
82 views

Attribution for a “2nd generation” derivative work

How do you deal with attribution of a work that is derived from a work that is itself derived from an original work protected under CC BY-SA? And while we're at it, let's push it further: Let's call ...
1
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1answer
419 views

learning from GPL infects code

Does learning some advanced, non-trivial coding technique from exiting GPL code (or code with viral license in general) turn my own work into a derivative work? Are there any widely accepted ...
1
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1answer
764 views

Can I sell charge a code that link/use a library released as Attribution-ShareAlike 4.0 International CC BY-SA 4.0?

I wrote a code that use a library release under CC BY-SA 4.0 (Attribution-ShareAlike 4.0 International). As far as I understand, if I cite them and release the source code as well with my code I can ...
3
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1answer
255 views

Can I publish my C++ game on GitHub under MIT using art and libraries under others licenses?

Can I publish my C++ game on GitHub under MIT using art and libraries under others licenses? I want to publish my code on GitHub, but I have some troubles with licensing. In my game I use GLEW (...
5
votes
1answer
64 views

What are my obligations when citing myself on an SE site for an internal company blog?

I would like to use content I wrote on SE as part of an internal blog. However, I would like to avoid directly linking my SE profile to my RL person. If I quote material from an SE post written by me,...
0
votes
1answer
77 views

Including a CC BY-SA licensed SVG in a CC BY-NC-SA licensed wiki?

I want to upload a SVG document with a CC BY-SA 3.0 license to an online wiki with a CC BY-NC-SA 3.0 license. Will these licenses conflict with each other, or can they coexist?
13
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1answer
202 views

Do Stack Exchange’s ToS mean that the user-generated content is double-licensed to them?

In the ToS of Stack Exchange sites, under the section Subscriber Content, the first sentence states that my submitted content is licensed (to Stack Exchange) under CC BY-SA 3.0: You agree that all ...
5
votes
1answer
79 views

Can CC BY 4.0 content be adapted into a CC BY-SA 3.0 work?

If an original work is licensed under Creative Commons Attribution 4.0 (CC BY 4.0), can an adapted work (i.e. derivative work) be made from it and published under Creative Commons Attribution 3.0 (CC ...
3
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1answer
122 views

Creating a game based on a story licensed under CC BY-SA 3.0

Some of you may be familiar with the collaborative fiction site SCP. Their content is licensed under the CC BY-SA 3.0 license. Suppose I am trying to create a game based on this. Under the ShareAlike ...
1
vote
1answer
482 views

Can I use data licensed under Creative Commons for closed source propriety software?

I am interested in using data distributed under the Creative Commons Attribution-ShareAlike 4.0 (CC-By-SA) license. A subset of it can be extracted, which will fall under a Creative Commons ...
0
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0answers
99 views

What software licenses can be used in a CC BY-SA 3.0 work?

I'd like to know what kind of licensed software (e.g. MIT, Apache, GPL) that I can use in such a project without any sort of violation. If this were 4.0, it'd be fairly straightforward as that has ...
0
votes
1answer
80 views

Can I take over the Stack Exchange review system in an Apache 2.0 licensed web service?

The Stack Exchange review system for post creation, editing and removal is quite sophisticated and somehow steered by discussion on meta networks (Stack Exchange and others) which are "user ...
2
votes
1answer
267 views

What exactly does “attribute the work in the manner specified by the author or licensor” mean in case of CC-BY-SA

In case I'm about to use an image from Wikimedia Commons (like https://commons.wikimedia.org/wiki/File:Sa-warthog.jpg for example), what exactly does attribute the work in the manner specified by ...
8
votes
0answers
101 views

CC-BY-SA - Do I have to distribute intermediary formats of my adaption? [duplicate]

There's a website that I really like which is licensed under CC-BY-SA. I've always thought it would work really well as a physical book too, and so I've decided to try to make it happen. I'm planning ...
2
votes
1answer
81 views

How to properly give attribution for an email template?

I'd like to use an email template licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License, specifically MailChimp's Email Blueprints. The license states that attribution must be ...
5
votes
1answer
155 views

Must CC BY-SA be included for ideas and code taken from Stack Overflow?

I'm still unclear about licensing. If I have a project on Github that's licensed under GPL and found pseudocode on a Stack Overflow question, must I now dual license my code on Github and GPL as ...
3
votes
1answer
125 views

Using CC Attribution-Share Alike 3.0 Unported image in a book

I would like to use an image in the cover page of a paid book. The image is first published in Wikimedia and it is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. I ...
3
votes
1answer
29 views

Is BioDigital's usage of inline Wikipedia textboxes in complience with CC-BY-SA

In its anatomy browser BioDigital has a feature where the website displays text that it doesn't license under CC BY-SA. At the end of that text the user can click on "Read more". If he does an inline ...
11
votes
1answer
184 views

How does re-licensing without the approval of authors work (eg, wikimedia case)?

Wikipedia (and any other Wikimedia product) change to a dual licence since 01/08/2009. As I understand, that implies they redistribute GFDL licensed text in CC-BY-SA without asking every author (wich ...
19
votes
1answer
520 views

What is considered proper attribution for a deleted Stack Exchange post?

When a creator posts content to any Stack Exchange site, they grant Stack Exchange a Creative Commons Attribute Share-Alike license to use (and display and share) the content. This is irrevocable - ...