James Beresford Gavin Russell-Rockliff Group Managers, Avanade

Sentiment Analysis 101 Take Free Form text I had a fantastic time on holiday at your resort. The service was excellent and friendly. My family all really enjoyed themselves. The pool was closed, which kind of sucked though. Hotel Feedback

Sentiment Analysis 101 Take a list of positive and negative words Positive Good Great Fantastic Excellent Friendly Awesome Enjoyed Negative Bad Worse Rubbish Sucked Awful Terrible Bogus

Sentiment Analysis 101 Match the two I had a fantastic time on holiday at your resort. The service was excellent and friendly. My family all really enjoyed themselves. The pool was closed, which kind of sucked though. Hotel Feedback

Sentiment Analysis 101 Count them Positive Fantastic Excellent Friendly Enjoyed Negative Sucked 41

Sentiment Analysis 101 Subtract negative from positive 41-=3 Overall sentiment: Positive

Sentiment Analysis 101 Sentiment Analysis gets a lot more complicated…

Head Node Data Node File Big Data 101 Hadoop is just a File System - HDFS Read Optimised & Failure Tolerant

REDUCE MAP Big Data 101 Map + Reduce = Extract, Load + Transform Raw Data Mapper Data Reducer Output