Just a reminder, the Research Showcase will begin in one hour.

On Mon, Sep 19, 2016 at 5:02 PM, Sarah R <srodl...@wikimedia.org> wrote:

> Hi Everyone,
> The next Research Showcase will be live-streamed this Wednesday,
> September 21, 2016 at 11:30 AM (PST) 18:30 (UTC).
> YouTube stream: https://www.youtube.com/watch?v=fTDkVeqjw80
> As usual, you can join the conversation on IRC at #wikimedia-research.
> And, you can watch our past research showcases here
> <https://www.mediawiki.org/wiki/Wikimedia_Research/Showcase#September_2016>
> .
> This month's showcase includes.
> Finding News Citations for WikipediaBy *Besnik Fetahu
> <http://www.l3s.de/~fetahu/> (Leibniz University of Hannover)*An
> important editing policy in Wikipedia is to provide citations for added
> statements in Wikipedia pages, where statements can be arbitrary pieces of
> text, ranging from a sentence to a paragraph. In many cases citations are
> either outdated or missing altogether. In this work we address the problem
> of finding and updating news citations for statements in entity pages. We
> propose a two- stage supervised approach for this problem. In the first
> step, we construct a classifier to find out whether statements need a news
> citation or other kinds of citations (web, book, journal, etc.). In the
> second step, we develop a news citation algorithm for Wikipedia statements,
> which recommends appropriate citations from a given news collection. Apart
> from IR techniques that use the statement to query the news collection, we
> also formalize three properties of an appropriate citation, namely: (i) the
> citation should entail the Wikipedia statement, (ii) the statement should
> be central to the citation, and (iii) the citation should be from an
> authoritative source. We perform an extensive evaluation of both steps,
> using 20 million articles from a real-world news collection. Our results
> are quite promising, and show that we can perform this task with high
> precision and at scale.
> Designing and Building Online Discussion SystemsBy *Amy X. Zhang
> <http://people.csail.mit.edu/axz/> (MIT)*Today, conversations are
> everywhere on the Internet and come in many different forms. However, there
> are still many problems with discussion interfaces today. In my talk, I
> will first give an overview of some of the problems with discussion
> systems, including difficulty dealing with large scales, which exacerbates
> additional problems with navigating deep threads containing lots of
> back-and-forth and getting an overall summary of a discussion. Other
> problems include dealing with moderation and harassment in discussion
> systems and gaining control over filtering, customization, and means of
> access. Then I will focus on a few projects I am working on in this space
> now. The first is Wikum, a system I developed to allow users to
> collaboratively generate a wiki-like summary from threaded discussion. The
> second, which I have just begun, is exploring the design space of
> presentation and navigation of threaded discussion. I will next discuss
> Murmur, a mailing list hybrid system we have built to implement and test
> ideas around filtering, customization, and flexibility of access, as well
> as combating harassment. Finally, I'll wrap up with what I am working on at
> Google Research this summer: developing a taxonomy to describe online forum
> discussion and using this information to extract meaningful content useful
> for search, summarization of discussions, and characterization of
> communities.
> Hope to see you there!
> Sarah R. Rodlund
> Senior Project Coordinator-Engineering, Wikimedia Foundation
> srodl...@wikimedia.org

Sarah R. Rodlund
Senior Project Coordinator-Engineering, Wikimedia Foundation
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