Weaving a Semantic Web across OSS repositories - a spotlight on bts-link, UDD, SWIM

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Technology

Published on June 6, 2009

Author: olberger

Source: slideshare.net

Weaving a Semantic Web across OSS repositories a spotlight on btslink, UDD, SWIM O. Berger and V. Vlasceanu Institut TELECOM / PFTCR WOPDASD 2009 Skövde 2009/06/06

In the previous episodes  Remember last year talk : • “Cross-repository Integration with RDF and OWL” - James Howison, Kevin Crowston WOPDASD 2008 page 2 WOPDASD 2009 - Skövde

Quoting quot;Cross-repository data linking with RDF and OWLquot; Conclusions : • Linking various repositories is hard but achievable • RDF integration offers a way for Repositories to collaborate without enforced standardization • Expose your data to RDF; setup a SPARQL frontend • Take, and extend the flosscomms vocab, together with DOAP and SIOC. • http://floss.syr.edu/ontologies/2008/  We do agree ! … and try currently to implement that WOPDASD 2009 - Skövde

Context : Helios project  http://helios-platform.org/  Project French R&D cluster System@tic of Paris- Region area (FLOSS special interest group)  2 years project (start date : 2008/09/01)  Academia + Industry  Application Lifecycle Management with Open Source tools WOPDASD 2009 - Skövde

WP3 : bugtracker interoperability  Bug traceability  Interoperability between bugtrackers  Final goal : ease of monitoring bug links all over the Open Source ecosystem : • Many packagers for similar software in distributions • Increase communication beyond bugtracker silos  Application to Internal bugtracker (integrators) monitoring 3rd parties (OSS projects) bugs WOPDASD 2009 - Skövde

Semantic Web and LinkedData hype  http://linkeddata.org/  (Open ?) Linked Data  “Linked Data is about using the Web to connect related data that wasn't previously linked, or using the Web to lower the barriers to linking data currently linked using other methods. More specifically, Wikipedia defines Linked Data as quot;a term used to describe a recommended best practice for exposing, sharing, and connecting pieces of data, information, and knowledge on the Semantic Web using URIs and RDF.quot;”  http://data.gov/ ... WOPDASD 2009 - Skövde

LinkedData Source: http://www4.wiwiss.fu-berlin.de/bizer/pub/lod-datasets_2009-03-05.html WOPDASD 2009 - Skövde

Bts-link : monitoring bug status change  Debian tool for package maintainers  Bug links (forwarded­to): • Distribution (Debian) package bugs • “Upstream” project bugtrackers bugs  Monitoring status changes on upstream bugs • Notification for Debian packagers (or people monitoring Debian bugs) • Tags Debian bugs : fixed­upstream Closed LOCAL:Found tag + fixed­upstream LOCAL:Found FORWARDED:OPEN FORWARDED:CLOSED Reopened tags : fixed-upstream tag ­ fixed­upstream WOPDASD 2009 - Skövde

Improving bts-link  http://bts-link.alioth.debian.org/  Supports lots of upstream bugtracker types : bugzilla (and issuezilla), gnats, launchpad, mantis, savane (from savanah), sourceforge trackers, trac, gforge (and fusionforge most probably), google code  At the moment works only over debbugs  Make it more generic and not Debian specific  Either : • custom bugtracker data gatherer • or standard for bugtracker data interchange : none yet WOPDASD 2009 - Skövde

Bug/Issue representation  Interchange of data representing Bugs/Issues  Ontology, Schema (Semantik Web standards)  Standard proposed and community build : baetle http://code.google.com/p/baetle/  Reuse of EvoOnt BOM http://www.ifi.uzh.ch/ddis/evo/  Semantic web techniques : extensible  Currently working on modeling : DebBugs, BugZilla, Mantis, LaunchPad, Gforge/FusionForge, Trac (and more ?) WOPDASD 2009 - Skövde

Ontology (work in progress) WOPDASD 2009 - Skövde

UDD : Ultimate Debian Database http://udd.debian.org/  Yet another archive : Debian and Ubuntu facts  By developers for developers ?  DB schema • persons (carnivore) • uploaders • upload history • source packages & binary packages • popcon • Bugs  Postgres relational DB (300 Mb)  Dumps available (snapshots, no history ?)  Privacy issues ? WOPDASD 2009 - Skövde

UDD queries SELECT * FROM carnivore_emails AS e, ( ( carnivore_names AS n LEFT OUTER JOIN carnivore_login AS l ON l.id = n.id) LEFT OUTER JOIN carnivore_keys k ON l.id = k.id) WHERE e.id = n.id AND n.name = 'Olivier Berger'; id email id name id login id key key_type 925 olivier.berger@ 925 Olivier NULL NULL NULL NULL NULL it-sudparis.eu Berger WOPDASD 2009 - Skövde

Looking for Jesus id email name login key key_type 388 xxx@hispalinux.es Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 keyring 388 xxx@hispalinux.es Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 ldap 388 xxx@hispalinux.es Jesus C. mooch BB6423391CAA7064E4297E1866FC1D7F86946D69 removed 388 xxx@cc.hut.fi Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 keyring 388 xxx@cc.hut.fi Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 ldap 388 xxx@cc.hut.fi Jesus C. mooch BB6423391CAA7064E4297E1866FC1D7F86946D69 removed 388 xxx@gmail.com Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 keyring 388 xxx@gmail.com Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 ldap 388 xxx@gmail.com Jesus C. mooch BB6423391CAA7064E4297E1866FC1D7F86946D69 removed 388 xxx@hispalinux.es Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 keyring 388 xxx@hispalinux.es Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 ldap 388 xxx@hispalinux.es Jesus C. mooch BB6423391CAA7064E4297E1866FC1D7F86946D69 removed 388 xxx@debian.org Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 keyring 388 xxx@debian.org Jesus C. mooch A103263A1923373E122746A06DEA9281DA034410 ldap 388 xxx@debian.org Jesus C. mooch BB6423391CAA7064E4297E1866FC1D7F86946D69 removed 510 xxx@barrapunto.com Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 keyring 510 xxx@barrapunto.com Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 ldap 510 xxx@computer.org Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 keyring 510 xxx@computer.org Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 ldap 510 xxx@debian.org Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 keyring 510 xxx@debian.org Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 ldap WOPDASD 2009 - Skövde 510 xxx@gsyc.escet.urjc.es Jesus B. jgb 62811BD865C6AFB944BBA275377165C5870AE0C9 keyring

Other queries  select b.source, count(*) from bugs as b where b.submitter like '%olivier.berger@it-sudparis.eu%' group by b.source order by count(*) desc  select source, count(*) from (select * from bugs union select * from archived_bugs) as all_bugs where submitter like '%olivier.berger@it- sudparis.eu%' group by source order by count(*) desc WOPDASD 2009 - Skövde

SWIM : a Semantic Web enabled Issue Manager  Mandriva, result from Nepomuk EC FP 6 project  HTML + RDF for Mandriva facts : • Applications / packages • Experts (developers, …) • Bugs • Annotations by users • ...  Reuse ontologies also used on Desktop tools (KDE 4.2)  http://club.mandriva.com/xwiki/bin/view/swim/  soon : Doc4@Mandriva WOPDASD 2009 - Skövde

UDD going semantic  Using D2R : http://www4.wiwiss.fu-berlin.de/bizer/d2r-server/  Relational → RDF  HTML + RDF (Content negociation)  Export Debian facts for Semantic Web  Prototype : • FOAF • EvoOnt + HeliosBT  USDD : Ultimate Semantic Debian Database ?  Prototype online (ask me) WOPDASD 2009 - Skövde

USDD query Mapping SPARQL to SQL: SELECT DISTINCT * WHERE { ?s foaf:name quot;Olivier Bergerquot; } SELECT DISTINCT quot;d2r_t_bugsubmittersquot;.quot;submitterquot; FROM quot;d2r_t_bugsubmittersquot; WHERE quot;d2r_t_bugsubmittersquot;.quot;email_phrasequot; = 'Olivier Berger'  See demo... WOPDASD 2009 - Skövde

Ohloh going semantic  RDFohloh http://rdfohloh.wikier.org/  Exporting facts about projects and developers registered at Ohloh as RDF  See demo WOPDASD 2009 - Skövde

Proposals, ideas, future work...  All archives exporting RDF data  All Bugtrackers exporting RDF data  All forges exporting RDF data  Interlinking all that together with users' data  Collaboration on Python BTS client tools WOPDASD 2009 - Skövde

Demo WOPDASD 2009 - Skövde

Copyright, etc.  This work is Copyright 2009 by Institut TELECOM, Olivier Berger and Valentin Vlasceanu, published under a Creative Commons ShareAlike license  This work was conducted in the HELIOS project with support of the Paris-Region authority in the frame of the System@tic cluster  The trip to come present that work was partially “carbon-compensated” with the Action Carbone program. WOPDASD 2009 - Skövde

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