How-to

W3C Publishes Linked Data Platform Best Practices and Guidelines

by Eric Franzon The W3C’s Linked Data Platform (LDP) Working Group has published a document outlining best practices and guidelines for implementing Linked Data Platform servers and clients. The document was edited by Cody Burleson, Base22, and Miguel Esteban Gutiérrez and Nandana Mihindukulasooriya of the Ontology Engineering Group, Universidad Politécnica de Madrid. For those new…

New Open Source Graph Database Cayley Unveiled (Video – Part 2)

[Editor’s note: This is Part 2 of a 3 part series. See Part 1 and Part 3] Barak Michener, Software Engineer, Knowledge NYC has posted on the Google Open Source Blog about “Cayley, an open source graph database.”: “Four years ago this July, Google acquired Metaweb, bringing Freebase and linked open data to Google. It’s been astounding to…

New schema.org Technical Brief Available from LRMI and Cetis

by Eric Franzon The Learning Resource Metadata Initiative (LRMI) has released a technical briefing about schema.org. The paper was co-authored by Phil Barker and Lorna M. Campbell of Cetis, the Centre for Educational Technology, Interoperability and Standards. LRMI, which we have reported on here, “has developed a common metadata framework for describing or ‘tagging’ learning…

Introduction to: Reasoners

Reasoning is the task of deriving implicit facts from a set of given explicit facts. These facts can be expressed in OWL 2 ontologies and stored RDF triplestores. For example, the following fact: “a Student is a Person,” can be expressed in an ontology, while the fact: “Bob is a Student,” can be stored in…

New "Linked Data" Book Launches – 50% Discount for Our Readers

This week, Manning Publications is launching the book “Linked Data,” by David Wood, Marsha Zaidman, Luke Ruth, and Michael Hausenblas. As part of that launch, Manning is offering a one-day 50% discount for readers of SemanticWeb.com. The discount applies to all versions of “Linked Data”: eBook, print books, and Manning’s “MEAP” books (more on MEAP…

Web Developers Can Now Easily "Play" with RDFa

Yesterday, we announced RDFa.info, a new site devoted to helping developers add RDFa (Resource Description Framework-in-attributes) to HTML. Building on that work, the team behind RDFa.info is announcing today the release of “PLAY,” a live RDFa editor and visualization tool. This release marks a significant step in providing tools for web developers that are easy…

Drs. Wood & Seuss Explain RDF in Two Minutes

“How would you explain RDF to my grandmother?  I still don’t get it…” a student recently asked of David Wood, CTO of 3Roundstones. Wood was speaking to a class called “Linked Data Ventures” and was made up of students from the MIT Computer Science Department and the Sloan School of Business. He responded by creating…

Introduction to: RDFa 1.1 Lite

[Editor’s Note: In our most recent SemanticLink podcast with special guest R.V. Guha, we mentioned RDFa 1.1 Lite, proposed by Ben Adida at last month’s Schema.org workshop. Thanks to Manu Sporny for sharing the following look at RDFa 1.1 Lite.] Summary: RDFa 1.1 Lite is a simple subset of RDFa consisting of the following attributes:…

Upcoming Webcast: "Introduction to SKOS" with Bob DuCharme

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Date: Thursday, October 6, 2011 Time: 2:00pm ET / 11:00am PT Cost: FREE In August, we had the pleasure of hosting the excellent instructor, Bob DuCharme, as he walked us through an introduction to SPARQL: “SPARQL Queries, SPARQL Technology.” Next week, Bob will join us again, this time to introduce us to SKOS, the Simple…

Exploit That R&D!

  So many semantic web efforts have their beginnings as R&D projects. Moving these projects from the lab into the real world has its challenges. But they can be overcome, and Daniel Field, business consultant at IT services and consulting company Atos Origin, has advice on how to manage them so the investment pays off.…