[Video] Introduction to GREL

In partnership with the OKFN School of Data , we recorded last November an hour Skillshare on Refine GREL Language.  Always wonder how to get started with the Generic Refine Expression Language (GREL)?

Watch this one hour tutorial and learn the basic of the language along with simple expression. Further tutorial will be published to go through each functions presented in this video.

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From Excel file to RDF with links to DBpedia and Europeana (from around the web)

DERI Galway the author of the RDF extension (download and documentation here) show steps by steps how to use the RDF extension to reconcile your data against DBpedia and Europeana. This tutorial also go through the step to create an RDF schema

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Data Journalism Workshop - New York (from around the web)

Google Hangout of HHNew York presenting Google Refine

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Reconcile against open corporates database

Here is a great video tutorial on reconciliation. It also introduce Open Corporates, an reconciliation source that contains more than 26 millions companies across 31 jurisdiction.

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Video tutorial to clean up your dataset (by free your metadata)

A great video tutorial from free your metadata which show you how to:

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Google Refine 2.0 Training video

In this video you will learn to:

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Faceting with Freebase Gridworks

Freebase is the name of google refine before google took control of the solution. The two following videos present how to facet (filter) in google refine. The interface and options did not evolve too much over the time and version making those videos still up to date.

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Using "splitByLengths" in Google Refine

Learn how to use the "splitByLengths" function in Google Refine to split a single column into multiple columns based.

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Google refine presentation (video)

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