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P2Pvalue Directory: Using a Unique Open Resource for Research and Networking
1. P2Pvalue Directory: using a unique open
resource for research and networking
David Rozas (University of Surrey), Samer Hassan
(Universidad Complutense de Madrid) and many others
This work was partially supported by the Framework
programme FP7-ICT-2013-10 of the European Commission through
project P2Pvalue (grant no.: 610961).
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
2. Outline
●
Drupal and why using it?
●
Some key aspects of the architecture
●
How to explore and access the data
●
How to contribute: adding CBPP cases
●
Ideas for future work & questions
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
3. What is Drupal?
●
A free software framework to build web applications
●
A community of +1M users and +30k developers (Drupal.org
stats)
●
+1M websites: whitehouse.gov, data.gov.uk, louvre.fr,
mtv.co.uk, blogs.aljazeera.com, etc.
●
+info: https://drupal.org/about
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
Source: https://www.drupal.org/files/druplicon.small_.png
4. Why using Drupal?
● Robust architecture
● Flexibility to perform changes
● Modularity to extend with new functionalities: +25k contributed
(non-core) modules
● Flexibility quite critical, taking into account the research nature
of the initiative
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
5. 3 key aspects of the architecture
●
Flexible way to:
●
Manage permissions (who access what?): roles module
●
To classify (and update) the cases. For example, adding a
new type of activity: taxonomy module
●
Display the contents in several formats: views module
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
6. Permissions and roles system
●
Flexible way to manage permissions, workflow and set a “wiki-like” system
●
Currently 3 main roles:
●
Authenticated users (open registration): permissions to add new cases, edit
details about them, see different revisions (versions) of the case, etc.
●
Moderators: permissions to edit any kind of content, revert revisions in case
of vandalism (post-moderation policy), add new terms to the vocabularies, etc.
●
Administrators: full permissions to change all the configuration parameters
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
7. Taxonomies
●
Taxonomy: the practice of “classifying things or concepts”
●
Using Drupal taxonomy system: a flexible way to classify and update
the CBPP cases
●
Currently using 11 vocabularies
●
Each vocabulary has a set of “terms” that can be indexed and filtered:
●
Via URLs: http://www.directory.p2pvalue.eu/explore/typologies/type-activity/open-education
●
Via API (more details soon)
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
8. Views
●
A GUI to a SQL builder: provides us a flexible way to fetch content from the
database and display it in several formats:
●
HTML
●
E.g.: Use to expose the taxonomies as fields to
filter by (Explore - http://directory.p2pvalue.eu/explore/cbpp-communities)
●
JSON, XML
●
E.g.: Use to create the API (http://directory.p2pvalue.eu/api-instructions)
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
9. Exploring the data
●
Data gathered is licensed under a CC0 1.0 license (dedicated to
Public domain -
http://creativecommons.org/publicdomain/zero/1.0/)
●
Explore and filter it via web
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
Source:
https://upload.wikimedia.org/wikipedia/commons/thumb/8/
8c/CCzero.svg/220px-CCzero.svg.png
10. Exploring the data
● Let's take a look:
http://directory.p2pvalue.eu/explore/cbpp-communities
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
11. Accessing the data: the “one-click”way
●
A batch process to create an “up-to-date” version of the data in
CSV
●
Useful way to import it for statistical analysis
(R, Calc, SPSS, etc.)
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
12. Accessing the data: the “one-click”way
●
Let's take a look
http://www.directory.p2pvalue.eu/download/all-cbpp
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
13. Accessing the data: the “geeky”way
●
REST (Representational state transfer) service: an architectural
style designed by W3C applied to the development of web
services
●
Currently supporting XML, JSON and PHP objects
●
Useful way to be used by other applications
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
14. The “geeky”way: some examples
●
Accessing the data in different formats:
●
XML (default): http://directory.p2pvalue.eu/rest/api (or .xml)
●
JSON: http://directory.p2pvalue.eu/rest/api.json
●
PHP: http://directory.p2pvalue.eu/rest/api.php
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
15. The “geeky”way: some examples
●
You can also perform queries using the different values of the
taxonomies by adding parameters to the URL
●
E.g.:http://directory.p2pvalue.eu/rest/api?languages=%22Spanish%22
“All the communities which include 'Spanish' as a Language of
the platform”
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
16. The “geeky”way: some examples
●
Several parameters can be combined: “AND” logic
●
E.g.:
http://directory.p2pvalue.eu/rest/api?languages=%22Spanish%22&legal_entity=%22public%20institution%22
“All the communities which include 'Spanish' as a Language of
the platform AND which have a value of "public institution" for
the field Legal entity”
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
17. The “geeky”way: some examples
●
A concrete CBPP case can be selected using the NID (Node ID
– Unique identifier)
●
E.g.: http://directory.p2pvalue.eu/rest/api.json?nid=250
All the information about the case 250 (Drupal) in JSON
●
+info : http://www.directory.p2pvalue.eu/api-instructions
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
18. Example of use of API during #P2PDataJam
http://research.nualart.cat/p2pvalue/
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
Source: screenshot from https://twitter.com/search?q=%40drozas%20p2pvalue&src=typd retrieved
22nd June 2015
Source: screenshot from http://research.nualart.cat/p2pvalue/ retrieved 22nd June 2015
19. Contributing
● Adding new cases or editing current ones
● Let's take a look:
http://directory.p2pvalue.eu/node/add/cbpp-community
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
20. Ideas for future work
●
Automatic collection of data from P2Pvalue platform
●
Automatic collection of data from other sources: OpenHub of CBPP?
●
Data visualisation: maps of the communities, user actions, graphical statistics, etc.
●
User engagement mechanisms
●
Let us know if you are playing with the data:
http://www.directory.p2pvalue.eu/contact or @p2pvalue
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
21. Thanks!
Danke!
Grazie!
¡Gracias!
Any questions/feedback?
Ευχαριστώ!
This work is licensed under a Creative Commons
Attribution-ShareALike 4.0 Unported License
excerpt if otherwise noted. This presentation is a derivative
work from Mayo Fuster Morell's presentation on WP1
of the P2Pvalue project.
To view a copy of this license, please visit:
https://creativecommons.org/licenses/by-sa/4.0/
+info|contact:
●
David Rozas:
●
@drozas
●
http://www.davidrozas.com
●
P2P value:
●
@p2pvalue
●
http://www.p2pvalue.eu
[...]
CAPS 2015 (Brussels) – 07.07.2015www.p2pvalue.eu
[...]