Just a reminder this will be taking place in one hour!
On Tue, Feb 14, 2017 at 2:49 PM, Sarah R <srodl...@wikimedia.org> wrote:
> Hi Everyone,
> The next Research Showcase will be live-streamed this February 15, 2017 at
> 11:30 AM (PST) 18:30 UTC.
> YouTube stream: https://www.youtube.com/watch?v=m6smzMppb-I
> As usual, you can join the conversation on IRC at #wikimedia-research.
> And, you can watch our past research showcases here
> This month's presentations:
> Wikipedia and the Urban-Rural DivideBy *Isaac Johnson*Wikipedia articles
> about places, OpenStreetMap features, and other forms of peer-produced
> content have become critical sources of geographic knowledge for humans and
> intelligent technologies. We explore the effectiveness of the peer
> production model across the rural/urban divide, a divide that has been
> shown to be an important factor in many online social systems. We find that
> in Wikipedia (as well as OpenStreetMap), peer-produced content about rural
> areas is of systematically lower quality, less likely to have been produced
> by contributors who focus on the local area, and more likely to have been
> generated by automated software agents (i.e. “bots”). We continue to
> explore and codify the systemic challenges inherent to characterizing rural
> phenomena through peer production as well as discuss potential solutions.
> Wikipedia Navigation VectorsBy *Ellery Wulczyn
> <https://www.mediawiki.org/wiki/User:Ewulczyn_(WMF)>*In this project, we
> learned embeddings for Wikipedia articles and Wikidata
> <https://www.wikidata.org/wiki/Wikidata:Main_Page> items by applying
> Word2vec <https://en.wikipedia.org/wiki/Word2vec> models to a corpus of
> reading sessions. Although Word2vec models were developed to learn word
> embeddings from a corpus of sentences, they can be applied to any kind of
> sequential data. The learned embeddings have the property that items with
> similar neighbors in the training corpus have similar representations (as
> measured by the cosine similarity
> <https://en.wikipedia.org/wiki/Cosine_similarity>, for example).
> Consequently, applying Wor2vec to reading sessions results in article
> embeddings, where articles that tend to be read in close succession have
> similar representations. Since people usually generate sequences of
> semantically related articles while reading, these embeddings also capture
> semantic similarity between articles.
> Sarah R. Rodlund
> Senior Project Coordinator-Product & Technology, Wikimedia Foundation
Sarah R. Rodlund
Senior Project Coordinator-Product & Technology, Wikimedia Foundation
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