Editing DS4UX (Spring 2016)/Panama Papers

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[[File:Wikipedia.png|right|250px]]
[[File:Wikipedia.png|right|250px]]


In this project, we will explore a few ways to gather data using two Wikipedia APIs: one provides data related to edits, and the other provides data related to pageviews. Once we've done that, we will extend this to code to create our own datasets of Wikipedia edits or other data that you use as the basis of your Final Project.
In this project, we will explore a few ways to gather data using two Wikipedia APIs: one provides data related to edits, and the other provides data related to pageviews. Once we've done that, we will extend this to code to create our own datasets of Wikipedia edits or other data that we might be able to use to ask and answer questions in the final session.
 
This project is adapted from material being developed for the [[CDSW|Community Data Science Workshops]] by Ben Lewis and Morten Wang ([https://github.com/nettrom/wikipedia-session GitHub repo]).


== Overview ==
== Overview ==
In this project we will look at the viewing and editing history of a recently created Wikipedia article about a breaking news event—''[[w:Panama_Papers| Panama Papers]]''. When events of global significance occur, Wikipedia is often among the first places that people look for information about these events. By examining both the editing and viewing history of this article, we can learn a lot about how people create ''and'' consume information on Wikipedia.  
In this project we will look at the viewing and editing history of a recently created Wikipedia article about a breaking news event—''[[w:Panama_Papers| Panama Papers]]''. When events of global significance occur, Wikipedia is often among the first places that people look for information about these events. By examining both the editing and viewing history of this article, we can learn a lot about how people create ''and'' consume information on Wikipedia.  
The process by which 'breaking news' articles are created on Wikipedia is [http://dgergle.soc.northwestern.edu/resources/KeeganGergleContractor_StayingInTheLoop_WikiSym2012.pdf a fascinating area of research] for data scientists who are study how humans work together. For more links to interesting research on Wikipedia, see the [[DS4UX_(Spring_2016)/Wikipedia_API#Research_using_Wikipedia_data|Resources section]] of this page.


=== Goals ===
=== Goals ===
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* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=newer View query in sandbox]
* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=newer View query in sandbox]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=newer View result in browser]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=newer View result in browser]
* [https://www.mediawiki.org/wiki/API:Revisions View API:Revisions documentation]




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* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=older View query in sandbox]
* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=older View query in sandbox]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=newer View result in browser]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&prop=revisions&list=&meta=&titles=Panama_Papers&rvprop=ids%7Ctimestamp%7Cflags%7Ccomment%7Cuser&rvlimit=1&rvdir=newer View result in browser]
* [https://www.mediawiki.org/wiki/API:Revisions View API:Revisions documentation]




; How many edits has the creator of Panama Papers made to Wikipedia?
; How many edits has the creator of Panama Papers made to Wikipedia?


* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&list=users&usprop=editcount%7Cregistration&ususers=Czar View query in sandbox]
:* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&list=users&usprop=editcount%7Cregistration&ususers=Czar View query in sandbox]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&list=users&usprop=editcount%7Cregistration&ususers=Czar View result in browser]
:* [https://en.wikipedia.org/w/api.php?action=query&format=json&list=users&usprop=editcount%7Cregistration&ususers=Czar View result in browser]
* [https://www.mediawiki.org/wiki/API:Users View API:Users documentation]




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* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&prop=revisions&titles=Panama+Papers&rvprop=ids%7Ctimestamp%7Ccontent&rvstart=2016-04-04T17%3A58%3A00.000Z&rvend=2016-04-04T17%3A59%3A05.000Z&rvdir=newer View query in sandbox]
* [https://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&format=json&prop=revisions&titles=Panama+Papers&rvprop=ids%7Ctimestamp%7Ccontent&rvstart=2016-04-04T17%3A58%3A00.000Z&rvend=2016-04-04T17%3A59%3A05.000Z&rvdir=newer View query in sandbox]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&prop=revisions&titles=Panama+Papers&rvprop=ids%7Ctimestamp%7Ccontent&rvstart=2016-04-04T17%3A58%3A00.000Z&rvend=2016-04-04T17%3A59%3A05.000Z&rvdir=newer View result in browser]
* [https://en.wikipedia.org/w/api.php?action=query&format=json&prop=revisions&titles=Panama+Papers&rvprop=ids%7Ctimestamp%7Ccontent&rvstart=2016-04-04T17%3A58%3A00.000Z&rvend=2016-04-04T17%3A59%3A05.000Z&rvdir=newer View result in browser]
* [https://www.mediawiki.org/wiki/API:Revisions View API:Revisions documentation]
* [https://en.wikipedia.org/w/index.php?title=Panama_Papers&oldid=713548359 revision on Wikipedia]
* [https://en.wikipedia.org/w/index.php?title=Panama_Papers&oldid=713548359 View the text of this revision on Wikipedia]
* [https://en.wikipedia.org/w/index.php?title=Panama_Papers&diff=713548359&oldid=713548357 "diff" view of revision]
* [https://en.wikipedia.org/w/index.php?title=Panama_Papers&diff=713548359&oldid=713548357 View the "diff" version of revision] (shows what was changed between this edit and the previous one)




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=== Building queries with Python <code>requests</code> ===
=== Building queries with Python <code>requests</code> ===
Now that we're comfortable building API queries in the sandbox, we will focus on how we can access these APIs with Python. If you would like to review the steps involved in building an API query in Python, check out the resources listed below.
<!-- ''Note:'' this query returns ''data'' about each edit, but it doesn't count them for us. We need to use Python for that! -->
* [https://github.com/makoshark/wikipedia-cdsw/blob/master/building-a-query.md Querying APIs from Python] a written lecture by Ben Lewis that walks you step-by-step through the process of building and executing an API query in Python. The 'companion script' <code>building_a_query_code.py</code> in the project directory executes all of the code shown in this lecture step-by-step. If you want to just execute some of the code in the lecture, comment out all the stuff below the blocks of code you want to execute it before you run the script.
* <code>wikipedia-1.py</code> — This is the script you were asked to execute to 'test' your code when you downloaded the project. It's also a valid API request that gathers metadata about the first revision to Panama Papers, and prints it to your terminal. The JSON that this query returns can be seen here: https://en.wikipedia.org/w/api.php?action=query&prop=revisions&titles=Panama_Papers&rvdir=newer&rvlimit=1&format=jsonfm
* <code>introduce_while.py</code> — (in project directory) this script uses a while loop to roll two 'virtual dice' until they both come up 6's. This example doesn't make API calls or use Wikipedia data—the point is to help you understand that sometimes you will need to loop through an operation (like an API request) an indeterminate number of times. In these situations, a 'while' loop is more appropriate than a 'for' loop.
* <code>introduce_continue.py</code> — (in project directory) this script shows you two ways to use the value of the 'continue' key that is embedded inside the JSON returned by your API request. Each API request returns a chunk of data, but there may be more data available! By passing the value of 'continue' back in subsequent requests, you can pick up where the last request left off.
 


;1. How many edits did Panama Papers receive in its first 24 hours?  
;1. How many edits did Panama Papers receive in its first 24 hours?  


Completing this exercise requires you to first query the Wikipedia API to get revisions to the article that have a timestamp between 2016/4/3 17:59:05 and 2016/4/4 17:59:05, and then use Python to count the number of revisions in the resulting JSON.
Completing this exercise requires you to firist query the Wikipedia API to get revisions to the article that have a timestamp between 2016/4/3 17:59:05 and 2016/4/4 17:59:05, and then use Python to count the number of revisions in the resulting JSON.




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;3. How many times was Panama Papers viewed in the first week? What proportion of those views came from mobile devices?
;3. How many times was Panama Papers viewed in the first week? What proportion of those views came from mobile devices?
Completing this exercise also requires two API requests: one to gather pageview data for ALL devices, and then performing a request that only gathers data about devices that viewed the page using the [https://en.m.wikipedia.org/wiki/Main_Page Wikipedia mobile website].




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* [https://en.wikipedia.org/w/api.php?action=help&modules=query API documentation for the query module]
* [https://en.wikipedia.org/w/api.php?action=help&modules=query API documentation for the query module]
* [https://en.wikipedia.org/wiki/Special:ApiSandbox API Sandbox]
* [https://en.wikipedia.org/wiki/Special:ApiSandbox API Sandbox]
* [[Sample Wikipedia API queries|More sample Wikipedia API queries]]
* [[Sample Wikipedia API queries]]
 
* [https://github.com/ben-zen/wikipedia-session The session lecture notes (in Markdown) and python sources.]
 
=== Research using Wikipedia data ===
* ''[https://www.research.ibm.com/visual/projects/history_flow/ HistoryFlow]'' — A colorful visualization of the development of Wikipedia articles over time.
* [http://www.brianckeegan.com/papers/CSCW_2015.pdf ‘Is’ to ‘Was’: Coordination and Commemoration on Posthumous Wikipedia Biographies] — an exploration of editing patterns around Wikipedia articles about people who have recently died.
* [http://www.brianckeegan.com/papers/ICS_2015.pdf WikiWorthy: Judging a Candidate’s Notability in the Community] — A study that uses the editing activity on Wikipedia articles about political candidates as a predictor of election success.
 
 
=== Websites that use the MediaWiki API ===
* [http://listen.hatnote.com/ Listen to Wikipedia] — a dynamic, audiovisual experience based on what is being edited on Wikipedia right now.
* [http://histography.io/ HistoryGraph] — an interactive timeline of world events based on Wikipedia articles.
* [https://www.google.com/intl/es419/insidesearch/features/search/knowledge.html Google's knowledge graph]


[[Category:DS4UX (Spring 2016)]]
[[Category:DS4UX (Spring 2016)]]
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