The man behind the curtain
Thursday, February 24, 2011
12:18 PM
Input data for our Pig program
time
user
topic
opinion
2839203081L
couch
Honda
positive
where
time is the time of the post in seconds since Jan 1 1970 00:00:00 GMT (a.k.a. "the epoch")
user is the identity of the poster. 
topic is what they posted about.
opinion is 'positive', 'neutral', or 'negative', as estimated by a natural-language parser UDF.
Our problem: detect negative buzz about Hondas.