diff --git a/talks-public/2017-09-19-RDA-IG/2017-09-19-RDA-IG.org b/talks-public/2017-09-19-RDA-IG/2017-09-19-RDA-IG.org
index 37961e1..79e4d38 100644
--- a/talks-public/2017-09-19-RDA-IG/2017-09-19-RDA-IG.org
+++ b/talks-public/2017-09-19-RDA-IG/2017-09-19-RDA-IG.org
@@ -1,199 +1,199 @@
 #+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %10BEAMER_act(Act) %4BEAMER_col(Col) %10BEAMER_extra(Extra) %8BEAMER_opt(Opt)
-#+TITLE: Software Ontologies
+#+TITLE: Software Ontologies and Descriptive Metadata Schemes
 #+SUBTITLE: Introduction
 # does not allow short title, so we override it for beamer as follows :
 # +BEAMER_HEADER: \title[Software Ontologies]{Preserving Software with descriptive metadata}
 #+BEAMER_HEADER: \author[Morane Gruenpeter(Inria)]{{ Morane Gruenpeter (Inria)}}
 #+AUTHOR: Morane Gruenpeter
 #+DATE: September 19, 2017
 #+EMAIL: morane.gg@gmail.com
 #+DESCRIPTION: Preserving the technological knowledge with descriptive metadata
 #+KEYWORDS: software ontologies  preservation knowledge metadata 
 #
 
 #
 # Prelude contains all the information needed to export the main beamer latex source
 #
 
 #+INCLUDE: "../../common/modules/prelude.org" :minlevel 1
 #
 #+INCLUDE: "../../common/modules/169.org"
 #+BEAMER_HEADER: \institute{Inria, Software Heritage}
 
 ** Preliminary questions
   :PROPERTIES:
   :CUSTOM_ID: thesourcecode
   :END:
   
 #+BEGIN_QUOTE  
  “Ontologies are agreements, made in a social context,
 
  to accomplish some objectives.
 
 It's important to understand those objectives, and be guided by them."\\
    \hfill T. Gruber, The Pragmatics of Ontology, 2003
 #+END_QUOTE
 
 #+Beamer: \pause
 *** /Software Ontology/
     :PROPERTIES:
     :BEAMER_env: block
     :BEAMER_act: +-
     :END:
       + What is software ?
       + With what terms should we describe a /software artifact/?
       + What about /software source code/ ?
 
 ** Metadata about Software Source Code
   :PROPERTIES:
   :CUSTOM_ID: softwareisdifferent
   :END:
 *** Software metadata objectives
     manage, share, discover, archive /software source code/
 
 *** Use cases 				      :B_block:BMCOL:
     :PROPERTIES:
     :BEAMER_col:
     :BEAMER_env: block
     :END:
-    - semantic search- find software by author, version, keywords
+    - *semantic search*: find software by author, version, keywords
     - browse /source code/ with context information
     - cite and be cited
 
 *** 							    :B_ignoreheading:
     :PROPERTIES:
     :BEAMER_env: ignoreheading
     :END:
 *** LOV- Linked open vocabularies
     \hfill /“Vocabularies provide the *semantic glue* enabling data to become *meaningful data*. ”/
 
 ** Where is the metadata available ?  
 
 *** catalogs and registries 					    :B_block:
     :PROPERTIES:
     :BEAMER_COL: .4
     :BEAMER_env: block
     :END:
    #+ATTR_LATEX: :width \extblockscale{\linewidth}
     - libraries.io
     - OpenHub
     - OntoSoft 
 
 
 *** Publisher's repositories 					    :B_block:
     :PROPERTIES:
     :BEAMER_COL: .4
     :BEAMER_env: block
     :END:
    #+ATTR_LATEX: :width \extblockscale{\linewidth}
     - GitHub
     - Bitbucket
     - SourceForge
 
 #+BEAMER: \pause
 *** advantages and drawbacks 					    :B_block:
     :PROPERTIES:
     :BEAMER_env: block
     :BEAMER_opt: 
     :END:      
 
       |              | registries              | repositories                   |
       |--------------+-------------------------+--------------------------------|
       | accuracy     | - not created by author | + added by authors/maintainers |
       | completeness | + very detailed         | - not a priority               |
       | longevity    | - depends on registry   | - depends on publisher         |
  
 **  Where is the metadata available ?  
 *** in the /software source code/ itself 			    :B_block:
     :PROPERTIES:
     :BEAMER_env: block
     :BEAMER_opt: 
     :END:       
   - package management file 
   - CITATION file 
   - .About file   
   - codemeta.json file
 
 #+BEAMER: \pause
 *** advantages and drawbacks 					    :B_block:
     :PROPERTIES:
     :BEAMER_env: block
     :BEAMER_opt: 
     :END: 
   |              | metadata file                                         |
   |--------------+-------------------------------------------------------|
   | accuracy     | + created by author and evolves with code             |
   | completeness | + freedom of vocabulary and terms used                |
   | longevity    | + not dependent on platform (repository or registry ) |
 
 #+BEAMER: \pause
 *** 
     \hfill *Bottomline:* to insure the archival of metadata, keep it *in* the data 
 
 ** This is not /software source code/ 
    #+latex: \begin{center}
    #+ATTR_LATEX: :width .38\linewidth
 file:this-is-not-a-pipe.png
    #+latex: \end{center}
 
 ** Landscape of Software Ontologies
    #+latex: \begin{center}
    #+ATTR_LATEX: :width \linewidth
 file:metadata_landscape1.png
    #+latex: \end{center}
 
 ** Landscape of Software Ontologies
    #+latex: \begin{center}
    #+ATTR_LATEX: :width \linewidth
 file:metadata_landscape2.png
    #+latex: \end{center}
 
 ** Landscape of Software Ontologies
    #+latex: \begin{center}
    #+ATTR_LATEX: :width \linewidth
 file:metadata_landscape3.png
    #+latex: \end{center}
 
 ** Landscape of Software Ontologies
    #+latex: \begin{center}
    #+ATTR_LATEX: :width \linewidth
 file:metadata_landscape4.png
    #+latex: \end{center}
 
 ** Landscape of Software Ontologies
    #+latex: \begin{center}
    #+ATTR_LATEX: :width \linewidth
 file:metadata_landscape5.png
    #+latex: \end{center}
 
 ** Landscape of Software Ontologies
    #+latex: \begin{center}
    #+ATTR_LATEX: :width \linewidth
 file:metadata_landscape6.png
    #+latex: \end{center}
 
 ** The Software Ontology /Touchstone/
-*** Availability
+*** Software citation principles \tiny ( FORCE11's 2015 conference and WG)
     :PROPERTIES:
     :BEAMER_act: +-
     :END:
     - *Importance* : first class citizen in the scholarly ecosystem
     - *Credit and attribution* : authors, maintainer
     - *Unique identification*: points to
        a unique, specific software version (DOI, Git SHA1 hash, etc..)
     - *Persistence* : identification beyond the lifespan of the software (swh-id)
     - *Accessibility*: url, publisher
     - *Specificity* : version, environment
 
 
 
 ** The CodeMeta Initiative
 
 ** Where are the gaps
 
 * References
 ** Reminder
 *** RDA  page
-    https://www.rd-alliance.org/software-source-code-focus-group-rda-9th-plenary-bof-meeting
+   https://www.rd-alliance.org/ig-software-source-code-rda-10th-plenary-meeting
 *** Working document used during the session
-    http://bit.ly/RDA9Software
+   http://bit.ly/2wggInQ