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Arun Jacob
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129 followers
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Arun's posts

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Making Sense of Unstructured Text in Online Reviews Part 3: Trying to Improve Classifier Accuracy
This post is part of a series where I try to classify online review text in more and more concrete ways. Right now I'm training a classifier to accurately classify one (bad) vs five (good) starred reviews. In the last post I had done some initial training a...

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Google Next '17 Recap
I just returned from Google Next '17. It was my first time at Next, or at a Google event. I had already been looking at Google services for both professional and personal work, and the agenda promised some answers to questions I had, and probably more quest...

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Taking the suck out of meetings
Today I had to deal with a hotly debated, very controversial topic at work: meetings. I had been getting a lot of complaints from all over the org about meetings. Too many, too often, too undefined. I thought about it for a couple of days, and sent this ema...

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Culture Core Operating Principles v0.1
"Building a great culture" sounds like one of those HR webinars that you are compelled to watch, usually like this: But as much as I like to make fun of Corporate Valuespeak, I have observed that if you want to like where you work, you either take conscious...

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Changing Roles...again
So much for that new years resolution to post more -- its coming up on a year since my last post. About two months ago I moved from Product Management back into Engineering. In September, I left my product management role on the HPE Stackato team and took a...

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And so that happened....
It has been almost 2 years since I've posted anything in this blog.  In July 2014 I decided to leave Disney, and more significantly, change roles. At Disney I had been leading the engineering and analytics teams of a central data service. In my not-so-new r...

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Making Sense of Unstructured Text In Online Reviews Part 4: Sentiment Analysis: Is More Data The Cure?
A Swing And A Miss In my last post I had trained a Bayesian classifier using a dataset pulled from sitejabber.com , which provides reviews of ecommerce sites. I had pulled that data for a single site. I then trained and tested the data -- and found that eve...

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Making Sense of Unstructured Text in Online Reviews Part 3: Trying to Improve Classifier Accuracy
This post is part of a series where I try to classify online review text in more and more concrete ways. Right now I'm training a classifier to accurately classify one (bad) vs five (good) starred reviews. In the last post I had done some initial training a...

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Making Sense of Unstructured Text in Online Reviews, Part 2: Sentiment Analysis in the Rough
In part 1  I spent time explaining my motivations for exploring online reviews and talked about getting the data with BeautifulSoup, then saving it with Pickle. Now that I have the raw text and the associated rating for a set of reviews, I want to see if I ...
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