URI - semanticweb.com

EventMedia Live, Winner of ISWC Semantic Web Challenge, Starts New Project With Nokia Maps, Extends Architecture Flexibility

Jennifer Zaino — Thu, 03 Jan 2013 12:01:04 +0000

The winner of the Semantic Web Challenge at November’s International Semantic Web Conference (ISWC) was EventMedia Live, a web-based environment that exploits real-time connections to event and media sources to deliver rich content describing events that are associated with media, and interlinked with the Linked Data cloud.

This week, it will begin a one-year effort under a European Commission-funded project to align its work with the Nokia Maps database of places, so that mobile users of the app can quickly get pictures of these venues that were taken by users with EventMedia’s help.

A project of EURECOM, a consortium combining seven European universities and nine international industrial partners, EventMedia Live has its origins in the “mismatch between those sites specializing in announcing upcoming events and those other sites where users share photos, videos and document those events,” explains Raphaël Troncy, assistant professor at the EURECOM: School of Engineering & Research Center, Multimedia Communications, and one of the project’s leaders.

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DERI and Fujitsu Team On Research Program

Jennifer Zaino — Thu, 19 Jul 2012 10:20:14 +0000

The Digital Enterprise Research Institute (DERI) is kicking off a project with Fujitsu Laboratories Ltd. in Japan to build a large-scale RDF store in the cloud capable of processing hundreds of billions of triples. The idea, says DERI research fellow Dr. Michael Hausenblas, “is to build up a platform that allows you to process and convert any kind of data” — from relational databases to LDAP record-based, directory-like data, but also streaming sources of data, such as sensors and even the Twitter firehose.

The project has defined eight different potential enterprise use cases for such a platform, ranging from knowledge-sharing in health care and life science to dashboards in financial services informed by XBRL data. “Once the platform is there we will implement at least a couple of these use cases on business requirements, and essentially we are going to see which are the most promising for business units,” Hausenblas says.

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Semantic Models for CDISC

Angela Guess — Wed, 09 May 2012 18:00:46 +0000

Kerstin Forsberg has written an article discussing a presentation she and Frederik Malfait gave regarding the use of semantic models for CDISC-based standard and metadata management, pointing to case studies at AstraZeneca and Roche. She writes, “In AstraZeneca we have a new program called Integrative Informatics (i2) establishing the components required to let a linked data cloud grow across R&D. A key component is the URI policy for how to make for example a Clinical Study linkable by giving it a URI, that is a Uniform Resource Identifier, e.g. http://research.data.astrazeneca.com/id/clinicalstudy/D5890C00003. continued…

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A Fundamental Linked Data Debate

Richard Wallis — Wed, 04 Apr 2012 11:00:51 +0000

There is a fierce debate going on in the world of the Semantic Web and Linked Data, the question being is it of fundamental importance to realising the benefits of the technology or are they just dancing on the head of a pin. The core debate revolves around something with the stunningly opaque title of the httpRange-14 issue.

The debate has been rumbling on for years but was reignited over the last few days by proposals being submitted to the W3C to clarify and hopefully simplify things. I use the word ignited as that what I was beginning to think my iPhone was about to do – it has been buzzing away like a bumblebee on speed over the last few days announcing the arrival of yet another passionately held opinion from a member of the respected Semantic Web/Linked Data community from Sir Tim Berners-Lee downwards. Fortunately for those of you that do not follow the W3C’s Technical Architecture (TAG) and Linked Open Data (public-lod) mailing lists it may have gone unnoticed.

Let me try to explain, in as simple terms as possible, what the fuss is all about and why it may be important. From my point of view, and there are many surrounding this, the issue is a combination of two problems.

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Defining Meaning on the Semantic Web

Angela Guess — Fri, 27 Jan 2012 18:00:50 +0000

Mike Bergman recently asked the deceptively simple question, what do things mean on the semantic web? He explains, “The crowning achievement of the semantic Web is the simple use of URIs to identify data. Further, if the URI identifier can resolve to a representation of that data, it now becomes an integral part of the HTTP access protocol of the Web while providing a unique identifier for the data. These innovations provide the basis for distributed data at global scale, all accessible via Web devices such as browsers and smartphones that are now a ubiquitous part of our daily lives.” continued…

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Lessons Learned On the Road To Linked Data

Jennifer Zaino — Tue, 17 Jan 2012 08:55:00 +0000

What’s the path from an XML based e-government metadata application to a linked data version? At the upcoming Semantic Tech & Business Conference in Berlin, the road taken by the Dutch government will be described by Paul Hermans, lead architect of Belgian project Erfgoedplus.be, which uses RDF/XML, OWL and SKOS to describe relationships to heritage types, concepts, objects, people, place and time.

Some 1,000 individual organizations compose the Dutch government, each with their own websites. An effort to employ a search engine a few years ago to spider those different and separate web sites to have one single point of access didn’t work as anticipated. The next step to bring some order was to assign all the documents published on those sites a common kernel of metadata fields, which led to building an XML application to enable a structured approach. Linked Data entered the picture about a year and a half ago.

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The Power Is In The Link

Jennifer Zaino — Fri, 06 Jan 2012 08:32:30 +0000

Courtesy: Flickr/ RambergMediaImages

Attendees at the fast-approaching Semantic Tech & Business Conference in Berlin will find one of the opening conference sessions, The Simple Power of the Link, to provide a good introduction to the value proposition of Linked Data.

Presenter Richard J. Wallis is happy to be on the docket early, so that those in the audience who aren’t coming from a died-in-the-wool semantic web background will get a sense of the big-picture benefits to be realized, and incented enough to explore the possibilities that they won’t be scared off by the more technical discussions later in the program. “Later on, when presenters start talking about graph models and SPARQL endpoint performance, hopefully they can harken back to the simple basic benefits I’ll be discussing,” says Wallis, who will be conducting the session as an independent associate on behalf of Kasabi, the Linked Data marketplace from Talis Systems Ltd. Wallis, currently Kasabi technology evangelist, is launching his own semantic web consultancy this month.

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Guided Tour of The Semantic Web At SemTech 2011

Jennifer Zaino — Tue, 07 Jun 2011 02:08:20 +0000

An informal raise-your-hand survey of attendees at the SemTech conference in San Francisco this week revealed that a good number of attendees were here for the first time. And one of the early morning tutorials Monday provided a perfect opportunity for many of them to explore the Semantic Web in greater depth, with the W3C’s Semantic Web Activity Lead Ivan Herman Introduction to the Semantic Web session.

During the session Herman explained the various components of the Semantic Web and how they fit together. He started with defining RDF (Resource Description Framework) as the basis for it all, serving as a general model for the triples – the subject-property-object sets — forming a directed, labeled graph, where labels are identified by URIs (Uniform Resource Indicators). And working from there all the way through to OWL and RIF (Rule Interchange Format).

Some highlights of the journey follow:

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Get Your Linked Data Here: Publish My Data Wants To Help U.K. Public Sector Get OnBoard

Jennifer Zaino — Wed, 01 Dec 2010 01:35:10 +0000

The U.K. is moving ahead with plans to introduce more transparency and accountability into the public agenda, through efforts such as the data.gov.uk initiative to make public data more easily available. Often, governmental agencies and semi-governmental bodies are getting onboard with the open data movement by exporting information from databases or spreadsheets into CSV files and putting them up in that format on their website.

But so much more can be accomplished if they head in the direction of Linked Data, expressing their data in RDF and using dereferenceable URIs to identify the things in those databases and spreadsheets, so that ultimately their information can be meshed with other Linked Data sets in what hopefully will be useful applications for the citizenry.

That, however, represents a technological hurdle for many of these organizations – one that PublishMyData would like to help them through with what it likens to a content management system that’s geared up for Linked Data. Its hosted service will translate these organizations’ information into Linked Data and look after all the infrastructure issues that go along with it, such as managing triple stores.

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