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	diff --git a/talks-public/2022-05-31-HalPartners/2022-05-31-HalPartners.org b/talks-public/2022-05-31-HalPartners/2022-05-31-HalPartners.org
	index cd28ab4..a5cf961 100644
	--- a/talks-public/2022-05-31-HalPartners/2022-05-31-HalPartners.org
	+++ b/talks-public/2022-05-31-HalPartners/2022-05-31-HalPartners.org
	@@ -1,810 +1,401 @@
	#+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt)
	#+TITLE: Software as a pillar for open science
	#+SUBTITLE: policy, needs, and how to address them
	# #+AUTHOR: Roberto Di Cosmo
	# #+EMAIL: roberto@dicosmo.org @rdicosmo @swheritage
	#+BEAMER_HEADER: \date{May 2022}
	#+BEAMER_HEADER: \title[Towards a Software Pillar of Open Science]{The Software Pillar of Open Science}
	#+BEAMER_HEADER: \author[R. Di Cosmo~~~~ roberto@dicosmo.org ~~~~ (CC-BY 4.0)]{Roberto Di Cosmo}
	#+BEAMER_HEADER: \institute[Software Heritage]{Director, Software Heritage\\Inria and Universit\'e de Paris Cit\'e}
	# #+BEAMER_HEADER: \setbeameroption{show notes on second screen}
	#+BEAMER_HEADER: \setbeameroption{hide notes}
	#+KEYWORDS: software heritage legacy preservation knowledge mankind technology
	#+LATEX_HEADER: \usepackage{tcolorbox}
	#+LATEX_HEADER: \definecolor{links}{HTML}{2A1B81}
	#+LATEX_HEADER: \definecolor{links}{HTML}{0ADB11}
	#+LATEX_HEADER: \hypersetup{colorlinks,linkcolor=,urlcolor=links}
	#+LATEX_HEADER: \hypersetup{colorlinks,linkcolor=,urlcolor=cyan}

	#
	# prelude.org contains all the information needed to export the main beamer latex source
	# use prelude-toc.org to get the table of contents
	#

	#+INCLUDE: "../../common/modules/prelude-toc.org" :minlevel 1


	#+INCLUDE: "../../common/modules/169.org"

	# +LaTeX_CLASS_OPTIONS: [aspectratio=169,handout,xcolor=table]

	#+LATEX_HEADER: \usepackage{bbding}
	#+LATEX_HEADER: \DeclareUnicodeCharacter{66D}{\FiveStar}

	#
	# If you want to change the title logo it's here
	#
	# +BEAMER_HEADER: \titlegraphic{\includegraphics[width=0.5\textwidth]{SWH-logo}}

	# aspect ratio can be changed, but the slides need to be adapted
	# - compute a "resizing factor" for the images (macro for picblocks?)
	#
	# set the background image
	#
	# https://pacoup.com/2011/06/12/list-of-true-169-resolutions/
	#
	#+BEAMER_HEADER: \pgfdeclareimage[height=90mm,width=160mm]{bgd}{swh-world-169.png}
	#+BEAMER_HEADER: \setbeamertemplate{background}{\pgfuseimage{bgd}}
	#+LATEX: \addtocounter{framenumber}{-1}
	* Introduction :noexport:
	#+INCLUDE: "../../common/modules/rdc-bio.org::#main" :only-contents t :minlevel 2
	* Software and Open Science
	** Why Open Science? :noexport:
	#+BEAMER: \vspace{-.5em}
	*** Open Science ([[https://www.ouvrirlascience.fr/wp-content/uploads/2021/10/Second_French_Plan-for-Open-Science_web.pdf][Second National Plan for Open Science]], France, 2021)
	/Unhindered/ dissemination of results, methods and products from scientific
	research.\\
	It draws on /the opportunity provided by recent digital progress/
	to develop /open access/ to /publications/ and – as much as possible – /data/,
	/source code/ and /research methods/.
	#+BEAMER: \pause
	#+BEAMER: \vspace{-.3em}
	*** Jean-Eric Paquet (EU DGRI, [[https://www.eosc.eu/sites/default/files/EOSC-SRIA-V1.0_15Feb2021.pdf][on the objective of Open Science]])
	# Preface of EOSC SRIA https://www.eosc.eu/sites/default/files/EOSC-SRIA-V1.0_15Feb2021.pdf
	“Increase /scientific quality/, the /pace of discovery and technological
	development/, as well as /societal trust in science/.”
	#+BEAMER: \pause
	#+BEAMER: \vspace{-.1em}
	*** Mariya Gabriel ([[https://www.s4d4c.eu/insights-from-commissioner-mariya-gabriel-towards-the-european-union-science-diplomacy/][EU Commissionneer]] for Research)
	# From the article: https://www.s4d4c.eu/insights-from-commissioner-mariya-gabriel-towards-the-european-union-science-diplomacy/
	The COVID-19 crisis has also shown that cooperation at international level
	in research and innovation is more important than ever, including through
	/open access to data and results/. /No nation, no country can tackle any of
	these global challenges alone/.
	#+BEAMER: \pause
	#+BEAMER: \vspace{-.3em}
	*** Yuval Noah Harari (on COVID 19)
	\hfill /“The real antidote [to epidemic] is/ scientific knowledge /and/ global cooperation.”
	** Software is a pillar of Open Science
	#+INCLUDE: "../../common/modules/swh-ardc.org::#pillaropenscience" :only-contents t :minlevel 3
	#+BEAMER: \pause
	***
	\hfill Preserving (the history of) source code is necessary for /reproducibility/
	** Software /Source Code/ is Precious Knowledge
	#+INCLUDE: "../../common/modules/source-code-different-short.org::#softwareisdifferent" :only-contents t :minlevel 3
	* Policy framework and growing needs
	** The Paris Call on Software Source code (2019, UNESCO)
	#+INCLUDE: "../../common/modules/policyactions.org::#pariscall2019science" :only-contents t :minlevel 3
	** Second French National plan for Open Science (2021, MESRI)
	#+INCLUDE: "../../common/modules/policyactions.org::#pnso2" :only-contents t :minlevel 3
	** Research Software is getting recognized
	#+INCLUDE: "../../common/modules/policyactions.org::#awards2022" :only-contents t :minlevel 3
	** A plurality of needs that we must address
	#+INCLUDE: "../../common/modules/swh-ardc.org::#userneeds" :only-contents t :minlevel 3
	** Archive, Reference, Describe, Cite and Credit
	#+INCLUDE: "../../common/modules/swh-ardc.org::#ardc" :only-contents t :minlevel 3
	* Can you address these needs?
	** A word of warning: forges are /not/ archives!
	*** 2015: the first big bad news
	Google Code and Gitorious.org shutdown: ~1M endangered repositories
	- broken links in the web of knowledge (my papers too)
	#+BEAMER: \pause
	*** 2019: big bad news keep coming in
	- summer 2019: BitBucket announces Mercurial VCS sunset
	- july 2020: BitBucket erases /250.000+/ repositories (including research software)
	#+BEAMER: \pause
	*** 2021: ... in Academia too
	- october 2021: Inria's old gforge is unplugged
	+ [[https://github.com/ocaml/opam-repository/issues/19757][breaks the build chain]] of the OCaml package manager (Opam)

	#+BEAMER: \pause
	*** Bottomline
	\hfill we need a universal archive of software source code: \pause now we have one!
	** Software Heritage in a nutshell \hfill www.softwareheritage.org
	#+BEAMER: \transdissolve
	#+INCLUDE: "../../common/modules/swh-goals-oneslide-vertical.org::#goals" :only-contents t :minlevel 3
	** The largest software archive, a shared infrastructure
	#+latex: \begin{center}
	#+ATTR_LATEX: :width 0.7\linewidth
	file:SWH-as-foundation-slim.png
	#+latex: \end{center}
	#+BEAMER: \pause
	#+latex: \centering
	#+ATTR_LATEX: :width \extblockscale{.9\linewidth}
	file:archive-growth.png
	** An international, non profit initiative\hfill built for the long term
	:PROPERTIES:
	:CUSTOM_ID: support
	:END:
	*** Sharing the vision :B_block:
	:PROPERTIES:
	:CUSTOM_ID: endorsement
	:BEAMER_COL: .5
	:BEAMER_env: block
	:END:
	#+LATEX: \begin{center}{\includegraphics[width=\extblockscale{.4\linewidth}]{unesco_logo_en_285}}\end{center}
	#+LATEX: \vspace{-0.8cm}
	#+LATEX: \begin{center}\vskip 1em \includegraphics[width=\extblockscale{1.4\linewidth}]{support.pdf}\end{center}
	#+latex: \small And many more ...\\
	#+latex:\mbox{}~~~~~~~\tiny\url{www.softwareheritage.org/support/testimonials}
	#+BEAMER: \pause
	*** Donors, members, sponsors :B_block:
	:PROPERTIES:
	:CUSTOM_ID: sponsors
	:BEAMER_COL: .5
	:BEAMER_env: block
	:END:
	#+LATEX: \begin{center}\includegraphics[width=\extblockscale{.4\linewidth}]{inria-logo-new}\end{center}
	#+LATEX: \begin{center}
	# #+LATEX: \includegraphics[width=\extblockscale{.2\linewidth}]{sponsors-levels.pdf}
	#+LATEX: \colorbox{white}{\includegraphics[width=\extblockscale{1.4\linewidth}]{sponsors.pdf}}
	#+LATEX: \end{center}
	# - sponsoring / partnership :: \hfill \url{sponsorship.softwareheritage.org}
	*** :B_ignoreheading:
	:PROPERTIES:
	:BEAMER_env: ignoreheading
	:END:
	*** Research collaboration :B_picblock:noexport:
	:PROPERTIES:
	:BEAMER_COL: .5
	:BEAMER_env: picblock
	:BEAMER_OPT: pic=Qwant_Logo, leftpic=true
	:END:
	source code search engine
	*** See more :noexport:
	\hfill\tiny\url{http:://www.softwareheritage.org/support/testimonials}
	*** Global network :B_picblock:noexport:
	:PROPERTIES:
	:BEAMER_COL: .5
	:BEAMER_env: picblock
	:BEAMER_OPT: pic=fossid, leftpic=true, width=.3\linewidth
	:END:
	- first independent mirror
	- increased reliability

	** Addressing the four needs... \hfill (see [[https://dx.doi.org/10.1007/978-3-030-52200-1_36][ICMS 2020]] for details)
	#+INCLUDE: "../../common/modules/swh-ardc.org::#swh-ardc-short" :only-contents t :minlevel 3
	** HAL and Software Heritage: building a curated software catalog
	#+INCLUDE: "../../common/modules/swh-ardc.org::#halswhoverview" :only-contents t :minlevel 3
	* Yes you can!
	** An example is worth a thousand words
	#+INCLUDE: "../../common/modules/swh-ardc.org::#demoswhhal" :only-contents t :minlevel 3
	* Call to action
	** Best practices for ARDC actionable today ...
	#+INCLUDE: "../../common/modules/swh-ardc.org::#ardc-best-france" :only-contents t :minlevel 3
	** Bottomline
	*** HAl+SWH let you address all the needs at once...
	- /researcher, engineer/: archival, reference, credit, CV etc. /with a little effort from them/
	- /labs, organizations/: track and report software production in a simple way
	- /technology transfer offices/: view the software production
	- /national level/: a /curated/ catalog of the software production
	#+BEAMER: \pause
	*** ... with a little effort from your side
	- Update the Open Science policy to include software
	- Train on the use of SWH and HAL for software
	- Join the network of HAL moderators for software
	#+BEAMER: \pause
	***
	#+LATEX: \centering{\large it's a long road, but together we can make it}\\[1em]

	#+latex: \centering{\huge\bf Questions?}
	-* END
	- \end{document}
	* Appendix :B_appendix:
	:PROPERTIES:
	:BEAMER_env: appendix
	:END:
	**
	\vfill
	\centerline{\Huge Appendix}
	\vfill
	-* Policy news
	-** The Paris Call on Software Source code (2019, UNESCO)
	-#+BEAMER: \vspace{-.8em}
	-*** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .53
	- :BEAMER_env: column
	- :END:
	- #+ATTR_LATEX: :width .65\linewidth
	- file:UNESCOParisCallMeeting.png
	- UNESCO, Inria, Software Heritage invite\\
	- [[https://en.unesco.org/news/experts-call-greater-recognition-software-source-code-heritage-sustainable-development][40 international experts to meet in Paris]]
	- #+BEAMER: \pause
	-*** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .5
	- :BEAMER_env: column
	- :END:
	- #+ATTR_LATEX: :width .6\linewidth
	- file:paris_call_ssc_cover.jpg
	- [[https://en.unesco.org/foss/paris-call-software-source-code][The call is published on Feb 2019]]\pause
	-*** :B_ignoreheading:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	-# #+BEAMER: \vspace{-.3em}
	-***
	- :PROPERTIES:
	- :BEAMER_COL: 1.06
	- :BEAMER_env: block
	- :END:
	- #+LATEX: {\it
	- “[We call to] promote software development as a valuable research activity,
	- and research software as a key enabler for Open Science/Open Research,
	- sharing good practices and recognising in the careers of academics their
	- contributions to high quality software development, in all their forms”
	- #+LATEX: }
	- https://en.unesco.org/foss/paris-call-software-source-code
	-** The UNESCO recommendations for Open Science, 2018-2021
	- #+INCLUDE: "../../common/modules/policyactions.org::#unesco2021" :only-contents t :minlevel 3
	-** The EOSC SIRS report: Software Source Code and Open Science, 2020
	- #+INCLUDE: "../../common/modules/policyactions.org::#eoscsirs2020-expanded" :only-contents t :minlevel 3
	-** French National plan for Open Science, 2021-2024
	- #+LATEX: \vspace{-.3em}
	- #+INCLUDE: "../../common/modules/policyactions.org::#PNSO2" :only-contents t :minlevel 3
	- #+BEAMER: \pause
	-***
	- \hfill The "Collège Logiciel" of the National Committee on Open Science (CoSO) is now live!
	-** Software in the EOSC
	- #+INCLUDE: "../../common/modules/policyactions.org::#eoscswtf2021" :only-contents t :minlevel 3
	-** Call to action: let's engage with policy makers (it may be us!) :noexport:
	-#+BEAMER: \vspace{-.5em}
	-*** Institutional representation :B_block:
	- :PROPERTIES:
	- :BEAMER_COL: .5
	- :BEAMER_env: block
	- :END:
	- we need an (open source) software VP in
	- - universities
	- - ministries
	- - governments
	-#+BEAMER: \pause
	-*** Funding for infrastructures :B_block:
	- :PROPERTIES:
	- :BEAMER_env: block
	- :BEAMER_COL: .5
	- :END:
	- push for funding instruments adapted to digital infrastructures (e.g. ESFRI):
	- + cost of human resources is /predominant/
	- + /much shorter/ time frame
	-#+BEAMER: \pause
	-*** :B_ignoreheading:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	-*** Set the default to open: pass the message
	- /publicly funded research software should be open source/ \\
	- \hfill exceptions must be justified
	-#+BEAMER: \pause
	-*** Career evaluation and incentives
	- - recognize /quality/ software development
	- + see e.g. [[https://hal-lara.archives-ouvertes.fr/hal-03110723][the 2021 Inria guidelines]] (in french)
	- and [[https://hal.archives-ouvertes.fr/hal-02135891][this CiSE 2020 article]] (in english)
	- - keep the human in the loop, avoid number games
	-** The floor is yours
	-***
	-#+LATEX: \centering{\large it's a long road, but together we can make it}\\[1em]
	-
	- #+latex: \centering{\huge\bf Questions?}
	-*** References
	- #+BEGIN_EXPORT latex
	- \begin{thebibliography}{Foo Bar, 1969}
	- \footnotesize
	-% \bibitem{SwForumEu2021} R. Di Cosmo, \emph{A revolutionary infrastructure for Open Source}, 2021, EU Software Forum \href{https://annex.softwareheritage.org/public/talks/2021/2021-03-24-SwForum.pdf}{(slides)} \href{https://youtu.be/AwY527kDMfM?t=178}{(video)}
	- \bibitem{UNESCOOS} UNESCO, \emph{Draft recommendations on Open Science}
	- \newblock 2021, \href{https://unesdoc.unesco.org/ark:/48223/pf0000378381.locale=en}{(online)}
	- \bibitem{PNSO2} French Ministry of Research, \emph{Second National Plan for Open Science}
	- \newblock 2021, \href{https://www.enseignementsup-recherche.gouv.fr/cid159131/le-plan-national-pour-la-science-ouverte-2021-2024-vers-une-generalisation-de-la-science-ouverte-en-france.html}{(online)}
	- \bibitem{EOSCSirs2020} EOSC SIRS Task Force, \emph{Scholarly Infrastructures for Research Software}
	- \newblock 2020, Publications office of the European Commission, \href{https://doi.org/10.2777/28598}{(10.2777/28598)}
	- \bibitem{DiCosmo2020d} R. Di Cosmo, \emph{Archiving and Referencing Source Code with Software Heritage}
	- \newblock International Conference on Mathematical Software 2020 \href{https://dx.doi.org/10.1007/978-3-030-52200-1_36}{(10.1007/978-3-030-52200-1\_36)}
	-% \bibitem{DiCosmo2019} R. Di Cosmo, M. Gruenpeter, S. Zacchiroli\newblock
	-% \emph{Referencing Source Code Artifacts: a Separate Concern in Software Citation},\newblock
	-% CiSE 2020 \href{https://dx.doi.org/10.1109/MCSE.2019.2963148}{(10.1109/MCSE.2019.2963148)}
	-% \href{https://hal.archives-ouvertes.fr/hal-02446202}{(hal-02446202)}
	-% \bibitem{alliez:hal-02135891} P. Alliez, R. Di Cosmo, B. Guedj, A. Girault, M.-S. Hacid, A. Legrand and N. Rougier\newblock
	-% \emph{Attributing and referencing (research) software: Best practices and outlook from Inria}, \newblock
	-% CiSE 2020 \href{https://doi.ieeecomputersociety.org/10.1109/MCSE.2019.2949413}{(10.1109/MCSE.2019.2949413)}
	-% \href{https://hal.archives-ouvertes.fr/hal-02135891}{(hal-02135891)}
	- \bibitem{Abramatic2018} J.F. Abramatic, R. Di Cosmo, S. Zacchiroli,
	- \emph{Building the Universal Archive of Source Code}
	- \newblock CACM, October 2018 \href{https://doi.org/10.1145/3183558}{(10.1145/3183558)}
	- \end{thebibliography}
	- #+END_EXPORT
	-
	-* Introduction
	+* Software source code
	** Source code is /special/ (software is /not/ data)
	# Was: #+INCLUDE: "../../common/modules/swh-ardc.org::#swnotdata" :only-contents t :minlevel 3
	*** /Executable/ and /human readable/ knowledge \hfill copyright law :noexport:
	/“Programs must be written for people to read, and only incidentally for machines to execute.”/\\
	\hfill Harold Abelson
	#+BEAMER: \pause
	*** Software /evolves/ over time
	- projects may last decades
	- the /development history/ is key to its /understanding/
	#+BEAMER: \pause
	*** Complexity :B_picblock:
	:PROPERTIES:
	:BEAMER_env: picblock
	:BEAMER_OPT: pic=python3-matplotlib.pdf, width=.6\linewidth
	:END:
	- /millions/ of lines of code
	- large /web of dependencies/
	+ easy to break, difficult to maintain
	+ /research software/ a thin top layer
	- sophisticated /developer communities/
	*** :B_ignoreheading:
	:PROPERTIES:
	:BEAMER_env: ignoreheading
	:END:
	#+BEAMER: \pause
	*** The human side
	design, algorithm, code, test, documentation, community, funding\\
	\hfill and so many more facets ...
	** Where is the source code?
	*** Collaborative development platforms (aka "forges")
	- BitBucket, GitLab(.com), GitHub, etc.
	- support for version control, issues, etc.
	- example:
	+ https://github.com/rdicosmo/parmap
	+ https://gitlab.inria.fr/gt-sw-citation/bibtex-sw-entry/
	#+BEAMER: \pause
	*** Distribution platforms
	- CTAN, CRAN, PyPi, Debian, etc.
	- example: https://ctan.org/pkg/biblatex-software
	#+BEAMER: \pause
	*** Archives
	- Software Heritage
	- example: [[https://archive.softwareheritage.org/swh:1:dir:92a6d0b9953aa3645ffac6bb4fb30a02932872eb;origin=https://gitlab.inria.fr/gt-sw-citation/bibtex-sw-entry;visit=swh:1:snp:05753fe748b7b85cbd0a9e2bea89aac5268b06c6;anchor=swh:1:rev:7c621448de21b0950cdff2dda37834cd4b389bfa][archived version of biblatex-software]]
	-* Adoption
	-** Growing adoption of SWH in Academia (selection)
	- #+INCLUDE: "../../common/modules/swh-adoption-academic.org::#adoption" :only-contents t :minlevel 3
	-* Demo time!
	-** Overview of the Software Heritage / HAL synergy
	- #+ATTR_LATEX: :width \linewidth
	- file:hal-swh-overview.png
	-** A walkthrough
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#demoswhhal" :only-contents t :minlevel 3
	-** Growing adoption of SWH in Academia (selection)
	- #+INCLUDE: "../../common/modules/swh-adoption-academic.org::#adoption" :only-contents t :minlevel 3
	-** An international, non profit initiative\hfill built for the long term
	- :PROPERTIES:
	- :CUSTOM_ID: support
	- :END:
	-*** Sharing the vision :B_block:
	- :PROPERTIES:
	- :CUSTOM_ID: endorsement
	- :BEAMER_COL: .5
	- :BEAMER_env: block
	- :END:
	- #+LATEX: \begin{center}{\includegraphics[width=\extblockscale{.4\linewidth}]{unesco_logo_en_285}}\end{center}
	- #+LATEX: \vspace{-0.8cm}
	- #+LATEX: \begin{center}\vskip 1em \includegraphics[width=\extblockscale{1.4\linewidth}]{support.pdf}\end{center}
	- #+latex: \small And many more ...\\
	- #+latex:\mbox{}~~~~~~~\tiny\url{www.softwareheritage.org/support/testimonials}
	-#+BEAMER: \pause
	-*** Donors, members, sponsors :B_block:
	- :PROPERTIES:
	- :CUSTOM_ID: sponsors
	- :BEAMER_COL: .5
	- :BEAMER_env: block
	- :END:
	- #+LATEX: \begin{center}\includegraphics[width=\extblockscale{.4\linewidth}]{inria-logo-new}\end{center}
	- #+LATEX: \begin{center}
	- # #+LATEX: \includegraphics[width=\extblockscale{.2\linewidth}]{sponsors-levels.pdf}
	- #+LATEX: \colorbox{white}{\includegraphics[width=\extblockscale{1.4\linewidth}]{sponsors.pdf}}
	- #+LATEX: \end{center}
	-# - sponsoring / partnership :: \hfill \url{sponsorship.softwareheritage.org}
	-*** :B_ignoreheading:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	-*** Research collaboration :B_picblock:noexport:
	- :PROPERTIES:
	- :BEAMER_COL: .5
	- :BEAMER_env: picblock
	- :BEAMER_OPT: pic=Qwant_Logo, leftpic=true
	- :END:
	- source code search engine
	-*** See more :noexport:
	- \hfill\tiny\url{http:://www.softwareheritage.org/support/testimonials}
	-*** Global network :B_picblock:noexport:
	- :PROPERTIES:
	- :BEAMER_COL: .5
	- :BEAMER_env: picblock
	- :BEAMER_OPT: pic=fossid, leftpic=true, width=.3\linewidth
	- :END:
	- - first independent mirror
	- - increased reliability
	-
	-** Call to action on ARDC: let's foster adoption!
	-*** Train students and colleagues to [[https://www.softwareheritage.org/save-and-reference-research-software/][archive and reference relevant source code]]
	-#+BEAMER: \vspace{-.5em}
	-***** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .05
	- :BEAMER_env: column
	- :END:
	-***** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .45
	- :BEAMER_env: column
	- :END:
	- + full details in the [[https://dx.doi.org/10.1007/978-3-030-52200-1_36][ICMS 2020]] article
	-***** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .5
	- :BEAMER_env: column
	- :END:
	- + short operational [[https://www.softwareheritage.org/save-and-reference-research-software/][HOWTO online]]\pause
	-***** :B_ignoreheading:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	-*** Engage conferences, journals, learned societies to use Software Heritage and SWHIDs
	- APIs for [[https://save.softwareheritage.org][save code now]] and [[https://hal.inria.fr/hal-01872189][deposit]] are available to integrate with
	-#+BEAMER: \vspace{-.5em}
	-***** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .25
	- :BEAMER_env: column
	- :END:
	- + Research Articles
	-***** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .42
	- :BEAMER_env: column
	- :END:
	- + Artifact Evaluation Committees
	-***** :B_column:BMCOL:
	- :PROPERTIES:
	- :BEAMER_col: .3
	- :BEAMER_env: column
	- :END:
	- + Badging initiatives
	-***** :B_ignoreheading:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	- #+BEAMER: \pause
	-*** Help grow and structure the community
	- - Promote the [[https://www.softwareheritage.org/ambassadors/][ambassador program]]
	- - Encourage our institutions to
	- + include Software Heritage in their Open Science policy
	- + become [[https://www.softwareheritage.org/support/sponsors/][member/sponsor]]
	- + build a Software Heritage mirror (see ENEA)
	-* What is at stake before and beyond ARDC
	-** What is at stake: before ARDC
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#beforeardc" :only-contents t :minlevel 3
	-** What is at stake: beyond ARDC
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#beyondardc-evaluation" :only-contents t :minlevel 3
	-* State of affairs in CS
	-** The state of the art (in CS!) is far from ideal
	-#+BEAMER: \vspace{-.6em}
	-*** ICSE (Zannier, Melrik, Maurer, 2006) :B_block:
	- :PROPERTIES:
	- :BEAMER_COL: .45
	- :BEAMER_env: block
	- :END:
	- absence of replication studies
	-*** [[https://fr.slideshare.net/carloghezzi18/icse-2009-keynote-15919951][ACM TOSEM 2001 to 2006]] \hfill C. Ghezzi :B_block:
	- :PROPERTIES:
	- :BEAMER_COL: .55
	- :BEAMER_env: block
	- :END:
	- 60% papers with tools: only 20% /installable/
	-*** :B_ignoreheading:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	-*** Collberg's [[http://reproducibility.cs.arizona.edu/][2015 reproducibility study]] :B_picblock:
	- :PROPERTIES:
	- :BEAMER_env: picblock
	- :BEAMER_opt: pic=collberg-outcome-new.png, width=.6\linewidth, leftpic=true
	- :END:
	- 601 mainstream papers
	- - 508 with tools
	- - only 40% /installable/
	-#+BEAMER: \pause
	-#+BEAMER: \vspace{-.6em}
	-*** Main reasons: source code (/or the right version of it/) cannot be found
	- - policy issue: opening up the code of research software
	- - infrastructures: archive and reference it\hfill let's start here
	-
	-* Detailed addressing ARDC
	-** Addressing the A(rchive)
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#swh-a" :only-contents t :minlevel 3
	-** Recent preservation news
	-*** Saving 250.000 endangered repositories...
	- - summer 2019: BitBucket announce Mercurial VCS phase out
	- - fall 2019: Software Heritage teams up with Octobus (funded by NLNet, thanks!)
	- - july 2020: BitBucket erases /250.000/ repositories
	- - august 2020: [[https://bitbucket-archive.softwareheritage.org][bitbucket-archive.softwareheritage.org]] is live
	-#+BEAMER: \pause
	-*** ... preserving the web of knowledge \hfill (original tweet [[https://twitter.com/gabrielaltay/status/1300218789762662401][is here]] ) :B_picblock:
	- :PROPERTIES:
	- :BEAMER_env: picblock
	- :BEAMER_OPT: pic=bitbucket_swh_praise.png, width=.6\linewidth, leftpic=true
	- :END:
	-
	-\\
	- Bottomline\\
	- /explicit deposit/ is important, ...\\
	- \mbox{}\hfill ... and we must promote it...\hfill\mbox{}\\
	- \mbox{}\hfill ... but will never be enough.\\
	-\mbox{}\\
	-\mbox{}\hfill /(think also of all software dependencies!)/
	-** R(eference): granularity and identifiers \hfill [[http://doi.org/10.15497/RDA00053][10.15497/RDA00053]]
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#swh-r" :only-contents t :minlevel 3
	-** Addressing D(escribe) and C(ite) in ARDC (see [[https://dx.doi.org/10.1007/978-3-030-52200-1_36][ICMS 2020]] for details)
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#swh-dc" :only-contents t :minlevel 3
	-
	+* All the source code
	+** All the source code!
	+ #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{\linewidth}]{swh-collect-axes}\end{center}
	+** All the source: strategies
	+ #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{\linewidth}]{swh-collect-strategies}\end{center}
	* FAIR
	** What about FAIR? (Findable, Accessible, Interoperable, Reusable)
	*** FAIR data principles /for data/
	in a nutshell: metadata, metadata, metadata all over the place (makes sense for data)\pause
	*** But software is /not data/ ...
	the terms /interoperability/ and /reusability/ have precise technical meaning for software,
	and /differ significantly/ from what is intended by the I and R of FAIR;
	- see the entries for [[https://en.wikipedia.org/wiki/Interoperability#Software][software interoperability]] and [[https://en.wikipedia.org/wiki/Reusability][software reusability]]
	- it is /very difficult/ to achieve these properties even for commercial software developed by multi billion dollars corporations\pause
	*** FAIR for software is a distraction
	\hfill let's focus on the real issues at stake: ARDC a good starting point
	-* SWHIDs
	-** R(eference): granularity and identifiers \hfill [[http://doi.org/10.15497/RDA00053][10.15497/RDA00053]]
	- #+LATEX: \centering\forcebeamerstart
	- #+LATEX: \only<1>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-0.png}}
	- #+LATEX: \only<2>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-1.png}}
	- #+LATEX: \only<3>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-2.png}}
	- #+LATEX: \only<4>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-3.png}}
	- #+LATEX: \forcebeamerend
	- #+LATEX: \only<1>{\begin{block}{}\centering Top concept layers vs. bottom artifact layers\end{block}}
	- #+LATEX: \only<2>{\begin{block}{}\centering Extrinsic identifiers are key for the concept layers\end{block}}
	- #+LATEX: \only<3>{\begin{block}{}\centering Intrinsic identifiers are key for the artifact layers\end{block}}
	- #+LATEX: \only<4>{\begin{block}{}\centering In some cases, extrinsic identifiers can be added too\end{block}}
	-
	-** Extrinsic and Intrinsic identifiers in a nutshell
	-*** Extrinsic identifiers: no /per se/ relation with the designated Object
	- A /register/ keeps the correspondence between the identifier and the object
	- - pre-internet era :: passport number, social security number, ISBN, ISSN, etc.
	- - internet era :: DOI, Handle, Ark, PURLs, RRID, etc.\pause
	-*** Intrinsic identifiers: derived from the designated Object
	- /No register/ needed to keep the correspondence between the identifier and the object
	- - pre-internet era :: musical notation, chemical notation (/NaCl/ is table salt)\pause
	- - internet era :: cryptographic hashes for distributed software development, Bitcoin\pause
	-***
	- \hfill more in [[https://www.softwareheritage.org/2020/07/09/intrinsic-vs-extrinsic-identifiers/][this dedicated blog post]] (with pointers to literature)
	-** Meet the Software Heritage Identifiers (SWHIDs) \hfill [[https://docs.softwareheritage.org/devel/swh-model/persistent-identifiers.html][(full spec)]] :noexport:
	- #+INCLUDE: "../../common/modules/swhid.org::#oneslide" :only-contents t
	- for 20+ billions software artifacts!
	-** Meet the SWHID intrinsic identifiers
	- #+INCLUDE: "../../common/modules/swh-ardc.org::#swh-r" :only-contents t :minlevel 3
	-* Revolutionary infrastructure, scientific challenges
	-** Summing up: a revolutionary infrastructure /designed for source code/ :B_picblock:
	-#+latex:\vspace{-0.2em}
	-#+BEGIN_EXPORT latex
	- \begin{center}
	- \includegraphics[width=.4\linewidth]{SWH-logo.pdf}
	- { \url{www.softwareheritage.org}}
	- \end{center}
	-#+END_EXPORT
	-#+latex:\vspace{-0.4em}
	-*** /global/ source code /archive/ \hfill /Library of Alexandria of source code/
	- :PROPERTIES:
	- :BEAMER_env: picblock
	- :BEAMER_OPT: pic=clock-spring-forward.png,width=.15\linewidth,leftpic=true
	- :END:
	- + harvest /all/ software source code
	- + /on demand harvesting/ and /curated deposit/
	-#+latex:\vspace{-0.4em}
	-*** /universal/ intrinsic identifiers
	- \mbox{}\hfill SWHID standard is independent of version control systems
	-#+latex:\vspace{-0.4em}
	-*** /uniform/ data model, /full graph/ of development history
	- \mbox{}\hfill enables large scale, big code research
	-#+latex:\vspace{-0.4em}
	-*** /infrastructure/ for Open Science
	- \mbox{} \hfill /base layer/ for software source code in the /Open Science architecture/
	-
	-** A revolutionary infrastructure /designed for software source code/
	-#+INCLUDE: "../../common/modules/swh-as-infrastructure.org::#oneslide" :only-contents t :minlevel 3
	-** A challenging scientific and technical undertaking
	-*** A novel, large infrastructure
	- - object storage [[https://www.softwareheritage.org/2021/03/11/towards-a-next-generation-object-storage-for-software-heritage/][with peculiar workload]]
	- - gigantic Merkle graph
	- - counting tens of billions of objects ([[https://www.softwareheritage.org/2021/05/11/next-generation-counters/][reuse P. Flajolet's seminal work]])
	- - and much more: see [[https://www.softwareheritage.org/2021/04/08/swh-2021-technical-roadmap/][the 2021 technical roadmap]]
	-#+BEAMER: \pause
	-*** First datasets are available for Big Code analysis
	- - full graph of software development (~20Bn nodes, ~200Bn edges)
	- see Pietri, Spinellis, Zacchiroli, MSR 2019 https://dx.doi.org/10.1109/MSR.2019.00030
	- - MSR 2020 mining competition
	- see https://2020.msrconf.org/track/msr-2020-mining-challenge#Call-for-Papers
	-* All the source code
	-** All the source code!
	- #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{\linewidth}]{swh-collect-axes}\end{center}
	-** All the source: strategies
	- #+BEAMER: \begin{center}\includegraphics[width=\extblockscale{\linewidth}]{swh-collect-strategies}\end{center}
	-* Milestones, policy
	-** Milestones :B_block:
	- #+INCLUDE: "../../common/modules/swh-key-dates.org::#keydates" :minlevel 3 :only-contents t
	-** Policy highlight: the EU Copyright reform\hfill adopted March 28 2019
	-*** "Upload filters": a threat to /all modern software development/
	- - developing platforms (GitHub, GitLab, Bitbucket, etc.)
	- - distribution platforms (Maven, Pypi, CRAN, CTAN, etc.)
	- - archives (Software Heritage)
	-#+BEAMER: \pause
	-*** We got an exclusion for
	- \hfill /\sout{non for profit} open source software developing and sharing platforms/
	-#+BEAMER: \pause
	-*** Key role of Software Heritage
	- \hfill policy-maker awareness, essential insights for NGOs, government contacts
	-* SWHIDs by the example :noexport:
	-** A word on the trust model for systems of identifiers
	- \vspace{-5pt}
	-*** Two general classes of systems of identifiers
	- - intrinsic :: /computed/ from the object /(no registry required, fully decentralised)/\\
	- /(e.g.: chemical notation, music notation, hashes, SWHIDs)/\pause
	- - extrinsic :: /assigned/ by an authority /(need a registry)/\\
	- /(e.g.: passport number, DOI, ARK, RRID, etc.)/\pause
	- \mbox{}\hfill See [[https://www.softwareheritage.org/2020/07/09/intrinsic-vs-extrinsic-identifiers/][the dedicated blog post]] for more details
	-#+BEAMER: \pause
	-*** Trust model, extrinsic (e.g. DOIs) :B_block:
	- :PROPERTIES:
	- :BEAMER_COL: .5
	- :BEAMER_env: block
	- :END:
	-#+ATTR_LATEX: :width \linewidth
	-file:doi-vs-pid-1.pdf
	-#+BEAMER: \pause
	-*** Trust model, intrinsic (e.g. SWHIDs) :B_block:
	- :PROPERTIES:
	- :BEAMER_env: block
	- :BEAMER_COL: .45
	- :END:
	-#+ATTR_LATEX: :width .8\linewidth
	-file:doi-vs-pid-3.pdf
	-*** Trust model for DOIs with checksums :B_block:noexport:
	- :PROPERTIES:
	- :BEAMER_COL: .5
	- :BEAMER_env: block
	- :END:
	-#+ATTR_LATEX: :width \linewidth
	-file:doi-vs-pid-2.pdf
	-*** :B_ignoreheading:noexport:
	- :PROPERTIES:
	- :BEAMER_env: ignoreheading
	- :END:
	-** A worked example
	- #+LATEX: \centering\forcebeamerstart
	- #+LATEX: \only<1>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/merkle_1.pdf}}}
	- #+LATEX: \only<2>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/contents.pdf}}}
	- #+LATEX: \only<3>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/merkle_2_contents.pdf}}}
	- #+LATEX: \only<4>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/directories.pdf}}}
	- #+LATEX: \only<5>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/merkle_3_directories.pdf}}}
	- #+LATEX: \only<6>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/revisions.pdf}}}
	- #+LATEX: \only<7>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/merkle_4_revisions.pdf}}}
	- #+LATEX: \only<8>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/releases.pdf}}}
	- #+LATEX: \only<9>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/merkle_5_releases.pdf}}}
	- #+LATEX: \only<10>{\colorbox{white}{\includegraphics[width=\extblockscale{\linewidth}]{git-merkle/snapshots.pdf}}}
	- #+LATEX: \forcebeamerend
	-* Big code :noexport:
	-** Software Heritage for Research and Innovation
	-*** Reference platform for /Big Code/ :B_picblock:
	- :PROPERTIES:
	- :BEAMER_opt: pic=universal, leftpic=true, width=.2\linewidth
	- :BEAMER_env: picblock
	- :BEAMER_act:
	- :END:
	- - unique observatory of all software development
	- - big data, machine learning paradise: classification, trends, coding patterns, code completion...
	-#+BEAMER: \pause
	-*** First datasets are available!
	- - full graph of software development (~20Bn nodes, ~200Bn edges)
	- see Pietri, Spinellis, Zacchiroli, MSR 2019 https://dx.doi.org/10.1109/MSR.2019.00030
	- - MSR 2020 mining competition
	- see https://2020.msrconf.org/track/msr-2020-mining-challenge#Call-for-Papers
	-
	+* What is at stake before and beyond ARDC
	+** What is at stake: before ARDC
	+ #+INCLUDE: "../../common/modules/swh-ardc.org::#beforeardc" :only-contents t :minlevel 3
	+** What is at stake: beyond ARDC
	+ #+INCLUDE: "../../common/modules/swh-ardc.org::#beyondardc-evaluation" :only-contents t :minlevel 3
	+* Policy news
	+** The UNESCO recommendations for Open Science, 2018-2021
	+ #+INCLUDE: "../../common/modules/policyactions.org::#unesco2021" :only-contents t :minlevel 3
	+** The EOSC SIRS report: Software Source Code and Open Science, 2020
	+ #+INCLUDE: "../../common/modules/policyactions.org::#eoscsirs2020-expanded" :only-contents t :minlevel 3
	+** Software in the EOSC
	+ #+INCLUDE: "../../common/modules/policyactions.org::#eoscswtf2021" :only-contents t :minlevel 3
	+* Adoption
	+** Growing adoption of SWH in Academia (selection)
	+ #+INCLUDE: "../../common/modules/swh-adoption-academic.org::#adoption" :only-contents t :minlevel 3
	* Public code, mirrors :B_block:
	** News : archiving /public/ code
	#+latex: \begin{center}
	#+ATTR_LATEX: :width 0.7\linewidth
	file:codeetalab.png
	#+latex: \end{center}
	#+BEAMER: \pause
	https://code.etalab.gouv.fr
	** News : ENEA mirror
	*** Thomas Jefferson, February 18, 1791 :B_block:
	:PROPERTIES:
	:BEAMER_ACT:
	:BEAMER_env: block
	:END:
	#+latex: {\em
	...let us save what remains: not by vaults and locks which fence them
	from the public eye and use in consigning them to the waste of time,
	but by such a multiplication of copies, as shall place them beyond
	the reach of accident.
	#+latex: }
	#+BEAMER: \pause
	*** Welcoming ENEA :B_block:
	:PROPERTIES:
	:BEAMER_env: picblock
	:BEAMER_OPT: pic=LogoENEAcompletoENG.png, leftpic=true, width=.7\linewidth
	:END:
	- first institutional mirror
	- increased resilience
	- AI infrastructure for researchers
	- stepping stone to \endgraf
	\hfill an European joint effort

	** Calling for preservation: Donald Knuth and Len Shustek
	*** Communications of the ACM, February 2021 :B_picblock:
	:PROPERTIES:
	:BEAMER_env: picblock
	:BEAMER_OPT: pic=KnuthHistory.jpg, leftpic=true, width=.3\textwidth
	:END:
	/"Telling historical stories is the best way to teach. It's much easier to understand something if you know the threads it is connected to."/
	\mbox{}\\
	\mbox{}\\
	\mbox{}\hfill /Let's Not Dumb Down the History of Computer Science/\\
	\mbox{}\hfill Donald E. Knuth, Len Shustek\\
	\mbox{}\hfill https://doi.org/10.1145/3442377
	#+BEAMER: \pause
	*** A unique opportunity
	most of the creators are still here: we can talk to them!\\
	\hfill but the clock is ticking...
	# - Software Heritage provides a key infrastructure for software historians
	** Source code history for Security and Transparency
	#+LATEX: \vspace{-.5em}
	*** Where does reused software come from? :B_block:
	:PROPERTIES:
	:BEAMER_env: block
	:BEAMER_COL: .5
	:END:
	#+BEGIN_EXPORT latex
	\begin{center}
	\includegraphics[width=.7\linewidth]{myriadsources}
	\end{center}
	#+END_EXPORT
	#+BEAMER: \pause
	*** Do /you/ know where it comes from? :B_block:
	:PROPERTIES:
	:BEAMER_env: block
	:BEAMER_COL: .4
	:END:
	- the software you ship
	- the software you use
	- the software you acquire
	- the software that
	+ has that bug
	+ has that vulnerability
	*** :B_ignoreheading:
	:PROPERTIES:
	:BEAMER_env: ignoreheading
	:END:
	#+BEAMER: \pause
	*** KYSW: Know Your SoftWare :B_picblock:
	:PROPERTIES:
	:BEAMER_env: picblock
	:BEAMER_OPT: pic=executiveorder.jpg,width=.4\linewidth,leftpic=true
	:END:
	Like KYC in banking, KYSW is now essential all over IT...\\
	\mbox{}\\
	Sec. 4. Enhancing Software Supply Chain Security \\
	\hfill /ensuring and attesting, to the extent practicable, to the integrity and provenance of open source software/\\
	\mbox{}\hfill [[https://www.whitehouse.gov/briefing-room/presidential-actions/2021/05/12/executive-order-on-improving-the-nations-cybersecurity/][May 2021 POTUS Executive Order]]

	-
	-
	+* SWHIDs
	+** R(eference): granularity and identifiers \hfill [[http://doi.org/10.15497/RDA00053][10.15497/RDA00053]]
	+ #+LATEX: \centering\forcebeamerstart
	+ #+LATEX: \only<1>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-0.png}}
	+ #+LATEX: \only<2>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-1.png}}
	+ #+LATEX: \only<3>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-2.png}}
	+ #+LATEX: \only<4>{\includegraphics[width=0.8\linewidth]{Granularity-Level-animated-3.png}}
	+ #+LATEX: \forcebeamerend
	+ #+LATEX: \only<1>{\begin{block}{}\centering Top concept layers vs. bottom artifact layers\end{block}}
	+ #+LATEX: \only<2>{\begin{block}{}\centering Extrinsic identifiers are key for the concept layers\end{block}}
	+ #+LATEX: \only<3>{\begin{block}{}\centering Intrinsic identifiers are key for the artifact layers\end{block}}
	+ #+LATEX: \only<4>{\begin{block}{}\centering In some cases, extrinsic identifiers can be added too\end{block}}
	+
	+** Extrinsic and Intrinsic identifiers in a nutshell
	+*** Extrinsic identifiers: no /per se/ relation with the designated Object
	+ A /register/ keeps the correspondence between the identifier and the object
	+ - pre-internet era :: passport number, social security number, ISBN, ISSN, etc.
	+ - internet era :: DOI, Handle, Ark, PURLs, RRID, etc.\pause
	+*** Intrinsic identifiers: derived from the designated Object
	+ /No register/ needed to keep the correspondence between the identifier and the object
	+ - pre-internet era :: musical notation, chemical notation (/NaCl/ is table salt)\pause
	+ - internet era :: cryptographic hashes for distributed software development, Bitcoin\pause
	+***
	+ \hfill more in [[https://www.softwareheritage.org/2020/07/09/intrinsic-vs-extrinsic-identifiers/][this dedicated blog post]] (with pointers to literature)
	+** Meet the Software Heritage Identifiers (SWHIDs) \hfill [[https://docs.softwareheritage.org/devel/swh-model/persistent-identifiers.html][(full spec)]] :noexport:
	+ #+INCLUDE: "../../common/modules/swhid.org::#oneslide" :only-contents t
	+ for 20+ billions software artifacts!
	+** Meet the SWHID intrinsic identifiers
	+ #+INCLUDE: "../../common/modules/swh-ardc.org::#swh-r" :only-contents t :minlevel 3

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