Hello Pierre, Thank you for informing us about your research as well as workshop itself.
Question - will the presentations from the workshop available online (pdf, video)? Would love (and I guess not only me) to watch it. Best, Michal. On 3 November 2015 at 17:55, nicolas chavent <nicolas.chav...@gmail.com> wrote: > Thanks Pierre for this heads up on this two days workshop that sounded > really interesting. > Excellent day to all, > > Best, > Nicolas > > On Tue, Nov 3, 2015 at 10:43 AM, Pierre Béland <pierz...@yahoo.fr> wrote: > >> #DigiRevCMI New Information Technology Tools in 21st Century Politics >> http://www.cmi.no/news/?1585-digital-revolutions >> >> My presention yesterday was the opportunity to review that last major >> OpenSteetMap / HOT Responses in the context of disaster and to show the >> various management aspects of such interventions plus quality problems / >> management in the context of such responses. >> https://twitter.com/pierzen/status/661120335845138432 >> >> I presented briefly the Semantic analysis I started of the 2015 Nepal >> response. Looking at the OSM Planet File for 2015-04-24 (before the >> Response) and 2015-06-07 (After the response), I measured how the objects >> are related to OSM features. This important measure of quality, completes >> other quality measures of OSM data. It also gives us a global measure of >> quality, and can help us monitor the progression of the crowdsource effort >> and detect rapidly some tagging problems. The first step is to relate >> parents / childs (ie. relation, way, node) and find the tags that describe >> each OSM Feature. >> >> Either before or after the Nepal Response, only 1% of the objects cannot >> be related to a feature such as highway, building, amenity, etc. No key / >> value combination listed on the OSM Map Features wiki page (plus specific >> HOT disaster keys). A 1% error shows a high ontologic precision of the >> data produced. Data with no feature, is Invisible data. Either, there was >> syntax error in the key / value, no tag, or a contributor simply added a >> name or note. We need to look more closely at such patterns and find ways >> to correct them rapidly. >> >> To show how we can focus on this "Invisible Data" and cure it, I created >> the JOSM NoFeature Mappaint style. It can be selected from the JOSM >> Mappaint Preferences. https://josm.openstreetmap.de/wiki/Styles/NoFeature. >> This Style shows the key-value combinations I selected for my OSM data >> analysis. I invite HOT Validators to use this style and test it while >> validating data. >> >> We also have access to dynamic data (ie data created, modified, >> deleted). I will analyze more in detail and try to identify patterns. >> Monitoring semantic quality of data produced can help to correct rapidly, >> revise instructions, etc. >> >> This two day workshop is a great opportunity to discuss with other >> Digital Humanitarian Network contributors and thanks to Per Aarvik from >> SBTF and Bergen Universiy who organized this workshop. >> >> Pierre >> >> _______________________________________________ >> HOT mailing list >> HOT@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/hot >> >> > > > -- > Nicolas Chavent > Projet OpenStreetMap (OSM) > Projet Humanitarian OpenStreetMap Team (HOT) > Projet Espace OSM Francophone (EOF) > Mobile (FRA): +33 (0)6 52 40 78 20 > Mobile (CIV): +225 78 12 76 99 > <nicolas.chav...@hotosm.org> > Email: nicolas.chav...@gmail.com > Skype: c_nicolas > Twitter: nicolas_chavent > > _______________________________________________ > HOT mailing list > HOT@openstreetmap.org > https://lists.openstreetmap.org/listinfo/hot > > -- Michal Bodnár, M.Eng. PhD Researcher at Beihang University/NDRCC Coordinator at Standby Task Force <http://blog.standbytaskforce.com/> China +8613031164554| Czech republic +420 607957528 Find me on: LinkedIn <http://cn.linkedin.com/pub/michal-bodn%C3%A1r/42/aa/24a> Facebook <https://www.facebook.com/michal.bodnar> Twitter <https://twitter.com/michalbodnar> Alumni at CTU - Czech Technical University, Prague www.cvut.cz Geomatics @CTU <http://geomatics.fsv.cvut.cz/en/> Alumni at BEST (Board of European Students of Technology) www.best.eu.org
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