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Text Analytics meetup
Interested in text analytics / natural language processing? Then come to the networking event at the Goat Tavern in London on April 23. This event is co-located with the London Text Analytics Summit –...
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Text Analytics Summit Europe – highlights and reflections
Earlier this week I had the privilege of attending the Text Analytics Summit Europe at the Royal Garden Hotel in Kensington. Some of you may of course recognise this hotel as the base for Justin...
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How do you compare two text classfiers?
I need to compare two text classifiers – one human, one machine. They are assigning multiple tags from an ontology. We have an initial corpus of ~700 records tagged by both classifiers. The goal is to...
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How do you measure the impact of tagging on retrieval?
A client of mine wants to measure the difference between manual tagging and auto-classification on unstructured documents, focusing in particular on its impact on retrieval (i.e. relevance ranking)....
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Sentiment analysis tools for non-coders?
I have an intern who will shortly be starting a project to extract sentiment from free text survey responses from the healthcare domain. She doesn’t have much programming experience, so is ideally...
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Cloud-based text annotation (text analytics meetup)
Just a quick heads up that the London Text Analytics group is meeting on Weds Feb 12 to hear about AnnoMarket: a cloud-based text annotation marketplace. There’ll be complimentary drinks and nibbles,...
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MeetUp review: AnnoMarket – text analytics in the cloud
Valentin Tablan kicks things off (photo: Hercules Fisherman) After a brief hiatus I’m pleased to say the London Text Analytics meetup resumed last night with an excellent set of talks from the...
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Extracting sentiment from healthcare survey data
A short while ago I posted the slides to Despo Georgiou’s talk at the London Text Analytics meetup on Sentiment analysis: a comparison of four tools. Despo completed an internship at UXLabs in 2013-4,...
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Book review: Deep Text by Tom Reamy
When I started the London Text Analytics meetup group some seven years ago, ‘text analytics’ was a term used by few, and understood by even fewer. Apart from a handful of enthusiasts and academics...
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Introduction to Natural Language Processing (slideshow)
Earlier this week I gave a talk called “Introduction to NLP” as part of a class I am currently teaching at the University of Notre Dame. This is an update of a talk I originally gave in 2010, whilst...
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