Hi Everyone,

Just a reminder -- this is beginning in a half hour. Hope to see you there!

On Mon, Mar 19, 2018 at 1:54 PM, Sarah R <srodl...@wikimedia.org> wrote:

> Hi Everyone,
> The next Research Showcase will be live-streamed this Wednesday, March 21,
> 2018 at 11:30 AM (PDT) 18:30 UTC.
> YouTube stream:  https://www.youtube.com/watch?v=ACevHs0sMMw
> 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#March_2018>.
> Over the past years, the Research team at Wikimedia Foundation and some of
> our formal collaborators have been focused on doing research and building
> technologies that can help editors across Wikimedia languages find tasks
> for contributions. While the early effort was heavily focused on article
> recommendation for creation (horizontal expansion), in 2016 we started a
> new direction of research with a focus on vertical expansion of Wikipedia
> articles. The two talks in the March 2018 Research Showcase will share some
> of what we have learned from this research. More specifically, we will talk
> about Wikipedia category network as a great signal for creating
> templates/structures for Wikipedia articles as well as ongoing research to
> learn what content (sections) are missing from Wikipedia across its many
> languages. The two corresponding abstracts with more details are below.
> Join us! :)
> Using Wikipedia categories for research: opportunities, challenges, and
> solutionsBy *Tiziano Piccardi, EPFL*The category network in Wikipedia is
> used by editors as a way to label articles and organize them in a
> hierarchical structure. This manually created and curated network of 1.6
> million nodes in English Wikipedia generated by arranging the categories in
> a child-parent relation (i.e., Scientists-People, Cities-Human Settlement)
> allows researchers to infer valuable relations between concepts. A clean
> structure in this format would be a valuable resource for a variety of
> tools and application including automatic reasoning tools. Unfortunately,
> Wikipedia category network contains some "noise" since in many cases the
> association as subcategory does not define an is-a relation (Scientists
> is-a People vs. Billionaires‎ is-a Wealth). Inspired to develop a model for
> recommending sections to be added to the already existing Wikipedia
> articles, we developed a method to clean this network and to keep only the
> categories that have a high chance to be associated with their children by
> an is-a relation. The strategy is based on the concept of "pure"
> categories, and the algorithm uses the types of the attached articles to
> determine how homogenous the category is. The approach does not rely on any
> linguistic feature and therefore is suitable for all Wikipedia languages.
> In this talk, we will discuss the high-level overview of the algorithm and
> some of the possible applications for the generated network beyond article
> section recommendations.
> Beyond Automatic Translation: Aligning Wikipedia sections across multiple
> languagesBy *Diego Saez-Trumper*Sections are the building blocks of
> Wikipedia articles. For editors, they can be used as an entry point for
> creating and expanding articles. For readers, they enhance readability of
> Wikipedia content. In this talk, we present an ongoing research to align
> article sections across Wikipedia languages. We show how the available
> technology for automatic translations are not good enough for translating
> section titles. We then show a complementary approach for section
> alignment, using Wikidata and cross-lingual word embeddings. We will
> present some of the use-cases of a methodology for aligning sections across
> languages, including improved section recommendation, especially in medium
> to smaller size languages where the language itself may not contain enough
> signal about the structure of the articles and signals can be inferred from
> other larger Wikipedia languages.
> Sarah R. Rodlund
> Senior Project Coordinator-Product & Technology, Wikimedia Foundation
> srodl...@wikimedia.org

Sarah R. Rodlund
Senior Project Coordinator-Product & Technology, Wikimedia Foundation | Hic
sunt leones

*“Our lives begin to end the day we become silent about things that
matter.”  ~ Martin Luther King Jr
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