WebSchemas: Schema.org and vocabulary collaboration
Share this Session:
  Dan Brickley   Dan Brickley
Developer Advocate
  Gregg Kellogg   Gregg B Kellogg
Kellogg Associates
  Denny Vrandecic   Denny Vrandecic
Project Director
Wikimedia Deutschland e.V.
  Sandro Hawke   Sandro Hawke
W3C Technical Staff
  Karen Coyle   Karen Coyle


Wednesday, June 5, 2013
02:15 PM - 03:15 PM
Level:  Business/Strategic

Location:  Imperial A

Many schemas solve highly focused problems within an organization, community or professional field; designers of such schemas face fairly well understood problems.

Other schemas are designed for very broad, worldwide, mass usage. This session is about the latter category: structured data vocabularies designed for extremely widespread use.

Public vocabularies for the World Wide Web - what works, what should we be trying, what can we learn from our experience so far?

How does schema design at a planetary scale work, in practice? How can we as a community work better to produce structured data vocabularies that are deployed at such scale?

Over the last two years, schema.org markup has spread widely - but the schemas used to express all this data have been evolving too. Some have been proposed by the schema.org partners (Google, Microsoft, Yahoo! and Yandex). Others have been created through specific projects (e.g. LRMI, from the AEP and Creative Commons), or through collaboration with pre-existing initiatives (e.g. IPTC rNews, Good Relations).

Beyond schema.org, others around W3C have been busy creating RDF vocabularies for many domains. How can the different working styles of these diverse groups be accommodated? Can we make better use of tools such as W3C community groups, or popular Web technologies (Skype/Hangouts, Github?).

NOTE: The panel will kick off with brief updates from the primary schema.org company reps: R.V. Guha (Google), Steve Macbeth (Microsoft), Alex Shubin (Yandex), and Peter Mika (Yahoo!)

Dan Brickley is best known for his work on Web standards in the W3C community, where he helped create the Semantic Web project and many of its defining technologies. Dan is currently working with Google on outreach activities related to the Schema.org initiative. Previous work included six years on the W3C technical staff, establishing ILRT's Semantic Web group at the University of Bristol, and more recently at Joost, an Internet TV start-up, and at the Vrije University Amsterdam. He has been involved with resource discovery metadata since 1994 when he published the first HTML Philosophy guide on the Web, and has been exploring distributed, collaborative approaches to "finding stuff" ever since.

Gregg is a Semantic Web consultant and W3C Invited Expert working on RDFa, microdata and JSON-LD. Gregg serves as editor of Microdata to RDF and JSON-LD Syntax and API specifications. Gregg served as architect and workgroup chair of the Connected Media Experience and is an expert in representing media metadata in RDF. Gregg is also the principle developer of Ruby-based RDF tools including JSON-LD, RDFa, micro data, RDF/XML, Turtle/TriG, and SPARQL.

Denny Vrandecic is project director of the Wikidata project at Wikimedia Deutschland. He received a PhD at the Institute AIFB at the Karlsruhe Institue of Technology KIT and was a researcher at the Laboratory of Applied Ontology LOA in Rome and the Information Sciences Institute ISI at the University of Southern California USC in Los Angeles. He co-developed Semantic MediaWiki, consulted Freebase, was the founding administrator of the Croatian Wikipedia, and founding member of the Wikimedia Research Council. He currently lives in Berlin.

Sandro Hawke is a software developer specializing in decentralized systems based on open Web technologies. He has been on the W3C staff at MIT since 2000, developing tools and research prototypes and serving as staff contact for many Semantic Web Working Groups, including: RDF, SPARQL, OWL, RIF, Provenance, and Government Linked Data (GLD). He takes full responsibility for the "303 See Other" compromise on httpRange-14, even if he no longer believes it's the best option. He likes to program in JavaScript, Python, C, and Prolog.

Karen Coyle is a librarian with over thirty years of experience with library technology. She now consults in a variety of areas relating to digital libraries. Karen has published dozens of articles and reports, most available on her web site, kcoyle.net. She has served on standards committees including the MARC standards group (MARBI), NISO committee AX for the OpenURL standard, and was an ALA representative to the e-book standards development that led to the ePub standard. She follows, writes, and speaks on a wide range policy areas, including intellectual property, privacy, and public access to information. As a consultant she works primarily on metadata development and technology planning. She is currently investigating the possibilities offered by the semantic web and linked data technology.

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