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---
title: License
SPDX-FileCopyrightText: 2024 Kristóf Marussy
SPDX-License-Identifier: CC-BY-4.0
---

import {
  CCBYLicenseLink,
  CCLicenseLink,
  CCLicenseText,
  ClosedAccessText,
  LicenseLink,
  LicenseText,
  MITLicenseLink,
} from '../components/licenses';

# Licenses for this site

## Content

Unless otherwise marked, content on this site is <CCBYLicenseLink /> licensed.

The site uses the following marking scheme for content licenses:

- <CCLicenseText>The Creative Commons icon</CCLicenseText> denotes content with a
  [Creative Commons](https://creativecommons.org/) license. These are the license
  applied for most open access scholarly literature.
- <LicenseText>The license icon</LicenseText> denotes content with other [libre licenses](https://opendefinition.org/od/2.1/en/).
- <ClosedAccessText>The lock icon</ClosedAccessText> denotes restricted content I
  have the rights for to post but not to license for re-use. This includes material
  kindly provided to me for posting by others and author drafts of papers published
  in closed access journals or proceedings.

You're in general free to re-use content with Creative Commons or other libre licenses as long as you abide by the terms of the linked license.
However, re-using restricted content will need prior permission from the copyright holder.

### Restricted content

Restricted content on this site marked with the <ClosedAccessText to="#content">lock icon</ClosedAccessText> includes the following:

- The photo of me appearing on the [home page](/) was taken by [SPOT Fotókör](https://spot.sch.bme.hu/) in 2019 for the [Critical Systems Research Group](https://ftsrg.mit.bme.hu/).

- The drone shot of BME building I appearing in the [Contact](/#contact) section was taken by [Ákos Hajdu](https://hajduakos.github.io/) in 2020 for the [Critical Systems Research Group](https://ftsrg.mit.bme.hu/).

- Unfortunately, some of my [publications](/#publications) appeared in closed access journals and proceedings. Even though neither me nor by colleagues received any compensation, the copyright of this content was assigned to the publisher, such as ACM or IEEE.

  Whenever allowed by the current copyright holder, I posted the _final draft_ of the paper to this site.
  For papers published by ACM, I also created a link with the [Author-Izer](https://www.acm.org/publications/authors/acm-author-izer-service) to the _version of record_ of the paper. Such links only work if your browser sends my site as the [HTTP referer](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Referer) to ACM.

- My [PhD thesis](pathname:///phd-thesis.pdf) and its [extended abstract](pathname:///phd-thesis-booklet.pdf) also incorporates content whose copyright was assigned to a publisher. I'm also required to add the following disclaimer:

  > &ldquo;In reference to IEEE copyrighted material which is used with permission in this thesis, the IEEE does not endorse any of Budapest University of Technology and Economics&rsquo; products or services. Internal or personal use of this material is permitted. If interested in reprinting/republishing IEEE copyrighted material for advertising or promotional purposes or for creating new collective works for resale or redistribution, please go to http://www.ieee.org/publications_standards/publications/rights/rights_link.html to learn how to obtain a License from RightsLink. If applicable, University Microfilms and/or ProQuest Library, or the Archives of Canada may supply single copies of the dissertation.&rdquo;

## Code

Code for this site is available at https://git.marussy.com/blog/ under the <MITLicenseLink /> license.
Files with [restricted content](#restricted-content) were replaced by placeholders or omitted entirely.

I follow the [REUSE Specification – Version 3.0](https://reuse.software/spec/) to declare copyright and licensing for each individual file.
In particular, files which contain _both code and content_ (e.g., content inside complex JSX components) have the [SPDX License identifier](https://spdx.org/ids) `MIT AND CC-BY-4.0` to signify that they are both MIT and CC-BY-4.0.
If you use only code or only content from such files, you only need to abide by the _corresponding license_ (MIT or CC-BY-4.0, respectively).

The site also uses the following third-party code available under libre licenses:

- [Docusaurus](https://docusaurus.io/) static site generator, <MITLicenseLink />
- [Fediverse logo proposal](<https://commons.wikimedia.org/w/index.php?title=File:Fediverse_logo_proposal_(mono_version).svg&oldid=794518552>) by [Eukombos](https://commons.wikimedia.org/wiki/User:Eukombos), <CCLicenseLink to="https://creativecommons.org/publicdomain/zero/1.0/">CC0-1.0</CCLicenseLink>
- [Phosphor Icons](https://phosphoricons.com/), <MITLicenseLink />
- [Recursive Sans and Mono](https://www.recursive.design/) fonts, <LicenseLink to="https://openfontlicense.org/open-font-license-official-text/">OFL-1.1</LicenseLink>
- [Simple Icons](https://simpleicons.org/), <CCLicenseLink to="https://creativecommons.org/publicdomain/zero/1.0/">CC0-1.0</CCLicenseLink>