R - semanticweb.com

Getting Started with the Semantic Web Using SPARQL with R

Angela Guess — Tue, 29 Jan 2013 13:00:28 +0000

A new article on R Bloggers explains how to get “up and running on the Semantic Web” using SPARQL with R in under five minutes. The article states, “We’ll use data at the Data.gov endpoint for this example. Data.gov has a wide array of public data available, making this example generalizable to many other datasets. One of the key challenges of querying a Semantic Web resource is knowing what data is accessible. Sometimes the best way to find this out is to run a simple query with no filters that returns only a few results or to directly view the RDF. Fortunately, information on the data available via Data.gov has been cataloged on a wiki hosted by Rensselaer. We’ll use Dataset 1187 for this example. It’s simple and has interesting data – the total number of wildfires and acres burned per year, 1960-2008.” continued…

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Data Journalism Around the World

Angela Guess — Wed, 26 Dec 2012 18:00:53 +0000

Alex Howard of O’Reilly Radar recently shared examples of great data journalism from across the globe. He writes, “When I wrote that Radar was investigating data journalism and asked for your favorite examples of good work, we heard back from around the world. I received emails from Los Angeles, Philadelphia, Canada and Italy that featured data visualization, explored the role of data in government accountability, and shared how open data can revolutionize environmental reporting. A tweet pointed me to a talk about how R is being used in the newsroom… Several other responses are featured at more length below. After you read through, make sure to also check out this terrific Ignite talk on data journalism recorded at this year’s Newsfoo in Arizona.” continued…

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5 Open Source Big Data Tools to Watch

Angela Guess — Tue, 30 Oct 2012 14:30:46 +0000

Tim Gasper of TechCrunch has created a list of five open source Big Data technologies that are making waves. He writes, “Did you know that there are over 250K viable open source technologies on the market today? Innovation is all around us… We have a lot of…choices, to say the least. What’s on our own radar, and what’s coming down the pipe for Fortune 2000 companies? What new projects are the most viable candidates for production-grade usage? Which deserve your undivided attention? We did all the research and testing so you don’t have to. Let’s look at five new technologies that are shaking things up in Big Data. Here is the newest class of tools that you can’t afford to overlook, coming soon to an enterprise near you.” continued…

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Machine Mediated Meaning for Semantic Interoperability

Putcha Narasimham — Tue, 20 Jan 2009 15:52:46 +0000

The Available definitions of meaning have limitations. A triadic definition is proposed to meet objectives AA and BB.

Meaning is the property of valid expression in Natural Language Text (NLT) along with the context, which is capable of generating “Predefined Responses (PreRes)” from a “Specified Class of Recipients (R)” and the “meaning of NLT for R is PreRes”.

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