Input schema not specified

[mwharton3]

The schema are not specified for the input data (that I could find). Some inferred schema are listed below (format of each row):

users_info.csv: userid(str)\t gender(str, M or F)\t age(int)\t income(int)
sessions_info.csv: sessionid(str)\t
locations_info.csv: locationid(str)\t
items_info.csv: itemid(str)\t
user2sessions.csv: userid(str)\t sessionid(str),locationid(str)... (repeated, tab-separated groups of csv pairs)
session2items.csv: sessionid(str)\t itemid(str),timestamp(formatted string in format mm-ddThh:mm:ss)... (repeated, tab-separated groups of csv pairs)

It'd be great to get this in the documentation somewhere in the author's words.