22 Sep 2017

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WebSci ’17 Tutorial Note– Analyzing Geolocated Data with Twitter

Speaker: Prof. Bruno Gonçalves, New York University (http://www.bgoncalves.com/) Schedule 09:00 -10:20 theory session 10:30 -12:00 practical session Theory Session: GPS-enabled smartphone: provides precise geographic locations Jan,17 global digital snapshot Social MEowDia Explained- different behaviors on different social media Twitter: Anatomy of a tweet: short (start as a message system), hashtag, how many times shared, timestamp, location (comes from your GPS system), background info-metadata, Metadata: Text-content, User, Geo, URL, etc. Geolocated Tweets: Follows a user's geo info over time GPS Coordinates vs World Population Smartphone ownership-highest among adults, higher education/ income levels (results from survey) Market Penetration: larger user group in higher ...

22 Sep 2017 9:51pm GMT

The Lego Analogy

I think Lego is a great analogy for understanding the importance of data standards and registers. Lego have been making plastic toys and bricks

22 Sep 2017 12:35pm GMT

19 Sep 2017

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Mapping wheelchair accessibility, how google could help

This month Google announced

19 Sep 2017 7:15am GMT

18 Sep 2017

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Under construction

It's been a while since I posted a more personal update here. But, as I announced this morning, I've

18 Sep 2017 7:27pm GMT

17 Sep 2017

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Understanding activation functions better

And making neural networks look a little less magic.

17 Sep 2017 6:11pm GMT

16 Sep 2017

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Leaving Flickr

I'm very sad about this, especially because of all the friends I have made on Flickr, but with Verizon's acquisition of Yahoo (and so Flickr) and the

16 Sep 2017 9:21pm GMT

12 Sep 2017

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2018 Ontology Summit: Ontologies in Context

Tweet 2018 Ontology Summit: Ontologies in Context The OntologySummit is an annual series of online and in-person events that involves the ontology community and communities related to each year's topic. The topic chosen for the 2018 Ontology Summit will be Ontologies in Context , which the summit describes as follows. "In general, a context is defined to be the circumstances that form the setting for an event, statement, or idea, and in terms of which it can be fully understood and assessed. Some examples of synonyms include circumstances, conditions, factors, state of affairs, situation, background, scene, setting, and frame of ...

12 Sep 2017 10:55pm GMT

10 Sep 2017

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Dissertation: Context-Dependent Privacy and Security Management on Mobile Devices

Tweet Context-Dependent Privacy and Security Management on Mobile Devices Prajit Kumar Das, Context-Dependent Privacy and Security Management on Mobile Devices , Ph.D. Dissertation, University of Maryland, Baltimore County, September 2017. There are ongoing security and privacy concerns regarding mobile platforms that are being used by a growing number of citizens. Security and privacy models typically used by mobile platforms use one-time permission acquisition mechanisms. However, modifying access rights after initial authorization in mobile systems is often too tedious and complicated for users. User studies show that a typical user does not understand permissions requested by applications or are too eager ...

10 Sep 2017 3:20pm GMT

09 Sep 2017

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New paper: "RDFIO: extending Semantic MediaWiki for interoperable biomedical data management"

Figure 10 from the article showing what the DrugMet wiki with the pKa data looked like. CC-BY. When I was still doing research at Uppsala University , I had a internship student, Samuel Lampa , who did wonderful work on knowledge representation and logic (check his thesis ). In that same period he started RDFIO , a Semantic MediaWiki extension to provide a SPARQL end point and some clever feature to import and export RDF. As I was already using RDF in my research, and wikis are great way to explore how to model domain data, particularly when extracted from ...

09 Sep 2017 2:00pm GMT

04 Sep 2017

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DBpedia @ SEMANTiCS 2017

We are happy to invite you to the 10th DBpedia Community Meeting which will be held in Amsterdam. During the SEMANTiCS 2017 , Sep 11-14, the DBpedia Community will get together on the 14th of September for the DBpdia Day . What cool things do you do with DBpedia? Present your tools and datasets at the DBpedia Community Meeting. Please submit your proposal in our form . Highlights/Sessions Keynote by Chris Welty (Google Research) Keynote by Victor de Boer (VU University) DBpedia Association Hour & Dutch DBpedia Hour A session on DBpedia ontology by members of the DBpedia ...

04 Sep 2017 1:25pm GMT

PRESS RELEASE: Amsterdam​ ​-​ ​this​ ​year’s​ ​hotspot​ ​​on Linked​ ​Data​ ​Strategies​ ​&​ ​Practices

September 11-14, 2017 international experts from science and industry demonstrate the business value of smart data services at SEMANTiCS 2017 Experts from science and industry meet at Europe's biggest Linked Data and Semantic Web event to present and discuss latest achievements, challenges and future perspectives of new data management practices. The conference for Semantic Systems is now in its 13th edition and run by a mixed industry and research consortium built by Semantic Web Company (Austria), Institute for Applied Informatics (Germany), University of Applied Science St.Pölten (Austria) and the dutch partners VU , TNO and Kadaster , together with Wolters ...

04 Sep 2017 9:58am GMT

03 Sep 2017

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Early Registration for DC 2017 Ends 15 September 2017

Save now! Registration fees for DC-2017 go up on 16 September. You don't want to miss out on the savings with early registration. The program schedule for the three full days of the conference in Washington, DC are filled with sessions that you will not want to miss. Check out the schedule at http://dcevents.dublincore.org/IntConf/index/pages/view/schedule17 where links from titles will take you to descriptions of events and the abstracts of Papers, Project Reports, Presentations, Posters, Workshops and Tutorials.

03 Sep 2017 4:10pm GMT

DC 2017 Preliminary Program Announced

DCMI is pleased to announce the publication of the Preliminary Program for DC-2017 at http://dcevents.dublincore.org/IntConf/index/pages/view/schedule17. The program includes an array of Papers, Project Reports, Presentations and Posters. Special Sessions on significant metadata topics as well as half- and full-day Workshops round out the program. The keynote will be delivered by G. Sayeed Choudhury, Associate Dean for Research Data Management and Hodson Director of the Digital Research and Curation Center at the Sheridan Libraries of Johns Hopkins University.

03 Sep 2017 4:09pm GMT

DCMI Website Migrated to New Platform

The DCMI website (this website) has been migrated to a new platform, as the first stage of a comprehensive overhaul. DCMI's Infrastructure Advisory Committee is overseeing a project to modernise the site and to improve the management of a significant amount of content, some of which goes back to 1995! We are taking advantage of two technologies in particular - Github, and Hugo - a static-site-generator. The migration of content to use these new technologies has involved the transformation of content from HTML to a combination of Markdown and YAML - the formats used by Hugo.

03 Sep 2017 4:08pm GMT

29 Aug 2017

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Schema.org 3.3: News, fact checking, legislation, finance, schedules, howtos, tourism and toilets!

Schema.org 3.3 has been released . As always, the release was prepared, debated and finalized by the schema.org community group , and features a range of additions, adjustments, bugfixes and clarifications to improve the expressiveness and usability of our schemas. See the release notes for full details, but of particular note are some changes made around the NewsArticle type (in collaboration with the Trust Project on whose work this is largely based). For many years, our definition of NewsArticle was simply "a news article". With this release we add (via our "pending" mechanism) some more subtlety around News , making ...

29 Aug 2017 9:51pm GMT

28 Aug 2017

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AKSW Colloquium, 01.09.2017, IDOL: Comprehensive & Complete LOD Insights

At the AKSW Colloquium on Friday 1st of September, at 10:40 AM there will be a paper presentation by Gustavo Publio. He will present the paper IDOL: Comprehensive & Complete LOD Insights , from Ciro Baron Neto, Dimitris Kontokostas, Amit Kirschenbaum, Gustavo Publio, Diego Esteves, and Sebastian Hellmann which will be presented in the upcoming SEMANTiCS'17 Conference in Amsterdam , Netherlands. Abstract "Over the last decade, we observed a steadily increasing amount of RDF datasets made available on the web of data. The decentralized nature of the web, however, makes it hard to identify all these datasets. Even more so, when downloadable ...

28 Aug 2017 3:24pm GMT