updated combined.json, added use2asin for user trajectories, updated README.md

README.md

@@ -116,7 +116,7 @@ size_categories:
 
 # Amazon Combined Dataset
 
-E-commerce dataset that combines metadata, reviews, and sample question/answer pairs
+E-commerce dataset that combines metadata, reviews, and sample question/answer pairs. `combined.json` contains the dataset and `user2asin.json` contains a file that maps user_id from reviews to an ASIN for capturing user preferences.
 
 ## Data Fields
 

combined.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d8b9279a83d0239878cadbfd5963575094a28837b25beae2c8d49b6f9d0af544
-size 39322791
+oid sha256:8eefbc0522ece16417797259d3ac6dcda6a32c436009f9cb21d6f0ff1c28825d
+size 799828217

user2asin.json

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:57a6fb216bcbc655929dd05adbb72ac401d54127ce0e462578d71e3a53e64b4b
+size 67954914