X-Git-Url: https://projects.mako.cc/source/state_of_wikimedia_research_2015/blobdiff_plain/cf79c51c1cffe95eed4fe82aa967fb08f992cf5a..3fc3ed7fb7e392a6dc9441d958ada9c257d587ea:/20150717-wikimania_research.tex diff --git a/20150717-wikimania_research.tex b/20150717-wikimania_research.tex index 6da9b9b..967244d 100644 --- a/20150717-wikimania_research.tex +++ b/20150717-wikimania_research.tex @@ -319,59 +319,175 @@ \section{Paper Summaries} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% \subsection{Event Prediction} +\begin{frame} + \centertext{6em}{Wikipedia as a Source of Data} -% \begin{frame} -% \centertext{6em}{Event Prediction} + \note{Mako} +\end{frame} + +\begin{frame} -% \note{Mako + \frametitle{Wikipedia as a source of data} -% This was the year that studies of readership of Wikipedia really -% blossomed. People figured out how to use the view data. Much of -% what they used it for was prediction.} -% \end{frame} + \larger \larger Ronen, S., Gonçalves, B., Hu, K. Z., Vespignani, A., + Pinker, S., \& Hidalgo, C. A. (2014). \e{Links that speak: The + global language network and its association with global + fame}. Proceedings of the National Academy of Sciences, 111(52), + E5616—E5622. \href{http://doi.org/10.1073/pnas.1410931111}{doi:10.1073/pnas.1410931111} -% \begin{frame} +\end{frame} + +\begin{frame} + \frametitle{Wikipedia as a source of data: Ronen et al.} + + \includegraphics[width=\textwidth]{figures/ronen_fig1.png} +\end{frame} + +\subsection{Community and Organization} + +\begin{frame} + \centertext{6em}{Community and Organization} + + \note{Mako} +\end{frame} + +\begin{frame} + + \frametitle{Community and organization} + + \larger \larger Warncke-Wang, M., Ranjan, V., Terveen, L., \& Hecht, + B. (2015). \e{Misalignment Between Supply and Demand of Quality Content + in Peer Production Communities}. In Ninth International AAAI + Conference on Web and Social Media (ICWSM). + + % Retrieved from \href{http://www.aaai.org/ocs/index.php/ICWSM/ICWSM15/paper/view/10591}{http://www.aaai.org/ocs/index.php/ICWSM/ICWSM15/paper/view/10591} + +\end{frame} + +\begin{frame} + \frametitle{Community and organization: Warncke-Wang et al.} + + \includegraphics[width=\textwidth]{figures/warncke-english_confusion.pdf} +\end{frame} + +\begin{frame} + \frametitle{Community and organization: Warncke-Wang et al.} + + \includegraphics[width=\textwidth]{figures/warncke-english_overunder.pdf} +\end{frame} + +\subsection{Content Quality} + +\begin{frame} + \centertext{6em}{Content quality} + + \note{Tilman + + A decade after the landmark "Nature" study, there still aren't too + many systematic evaluations of the accuracy of Wikipedia's content. + Health articles continue to receive scrutiny, though. With good + reason: Wikipedia is "the most frequently consulted online health + care resource globally" [NEJM article].} +\end{frame} + +\begin{frame} -% \frametitle{Wikipedia Viewership and Flu Prediction} +\frametitle{Quality of drug articles} + + \larger \larger + Hwang et al., ``\e{Drug Safety in the Digital Age}.'' + N Engl J Med 2014; 370:2460-2462 June 26, 2014 + \href{http://dx.doi.org/10.1056/NEJMp1401767}{doi: 10.1056/NEJMp1401767}. + \bigskip + + Kräenbring et al., \e{Accuracy and completeness of drug + information in Wikipedia: a comparison with standard textbooks of + pharmacology}. PLoS One 9 (9): e106930. + \href{http://dx.doi.org/10.1371/journal.pone.0106930} + {doi:10.1371/journal.pone.0106930} + + + \note{Tilman + + We selected two papers that evaluated drug articles, with + different approaches. The first one is a short article in the + extremely prestigious NEJM.} +\end{frame} -% \larger \larger McIver, David J., and John -% S. Brownstein. ``\e{Wikipedia Usage Estimates Prevalence of -% Influenza-Like Illness in the United States in Near Real-Time}.'' -% PLoS Comput Biol 10, no. 4 (April 17, 2014): -% e1003581. \href{http://dx.doi.org/10.1371/journal.pcbi.1003581}{doi:10.1371/journal.pcbi.1003581}. +\begin{frame} + +\frametitle{Quality of drug articles: NEJM} -% \end{frame} + \includegraphics[width=0.49\textwidth]{figures/Pradaxa_tweet_FDAMedWach.png} + % from https://twitter.com/FDAMedWatch/status/281547908095041536 + % = first one in the list at http://www.nejm.org/doi/suppl/10.1056/NEJMp1401767/suppl_file/nejmp1401767_appendix.pdf + \includegraphics[width=0.49\textwidth]{figures/Dabitragan_Contraindications_WP_FDA_warning} + + \tikz{\node [yshift=1.5cm,xshift=-0.4cm] at (current page.center) {\includegraphics[width=1.5cm]{figures/long-arrow-right.png}};} + \begin{itemize} + \larger \larger + \item The US Food and Drug Administration (\e{FDA}) frequently + issues safety warnings about prescription drugs. How long does it + take until these are reflected on English Wikipedia? + \item 41\% updated within two weeks (58\% for high-prevalent + diseases), but 36\% still unchanged after more than a year. + \end{itemize} + + \note{Tilman + + Articles about drugs used to treat high-prevalent diseases (affecting + > 1 m Americans / year) were updated faster.\\ + But the result still caused concern.\\ + Authors find "there may be a benefit to enabling the FDA to update or + automatically feed new safety communications to Wikipedia pages, as + it does with WebMD". The paper raised awareness among WikiProject + Medicine editors, but there's no systematic updating mechanism yet.} -% \begin{frame} -% \frametitle{Wikipedia Viewership and Flu Prediction: Motivation} +\end{frame} -% \begin{itemize} -% \larger \larger -% \item \e{Google Flu Trends} uses search engine queries to try to -% predict influenza epidemics more quickly than traditional methods. -% \item ..but it has been criticized as being biased (e.g., by media coverage). -% \item WP is freely available and viewership data is free, unlike -% Google which is proprietary. +\begin{frame} -% \end{itemize} +\frametitle{Quality of drug articles: PLoS One} -% \note{2009 H1N1 Swine Flu broke GFT.} -% \end{frame} + \begin{itemize} + \larger \larger \larger + \item Selected 100 drugs from German undergrad curriculum in pharmacology + \item Extracted information from two standard textbooks + \item "Accuracy of drug information in [German] Wikipedia was 99.7\%±0.2\% when compared to the textbook data." Similar results for English Wikipedia + \end{itemize} -% \begin{frame} +\end{frame} -% \frametitle{Wikipedia Viewership and Flu Prediction: Methods} -% \begin{itemize} -% \larger \larger \larger -% \item Measure traffic to flu related articles on Wikipedia -% \item Compare to the ``gold standard'' data from the Center for -% Disease Control (CDC) -% \end{itemize} +\begin{frame} + +\frametitle{Quality of drug articles: PLoS One} + + \begin{itemize} + \larger \larger \larger + \item Completeness (as compared to the textbooks): + \begin{itemize} \larger \larger + \item 83.8\% (of 224 statements) for German WP + \item 87.2\% for English WP + \end{itemize} + \item Completeness of contraindications information was 100\% in the En WP sample. + \item English WP cited academic publications more often than German WP. + \item Quality "significantly improved" in drug articles assessed + in a 2010 study. + \end{itemize} + + \note{Tilman + + The majority of the missing information (62.5\%) on German WP + was judged non-relevant for undergrad students. + + The result on completeness of contraindications information is + somewhat in contrast with the NEJM study. Then again, the + textbooks were probably not perfectly up-to-date either.} +\end{frame} + -% \end{frame} % \begin{frame} % \frametitle{Wikipedia Viewership and Flu Prediction: Results}