how to get recommendations by using user-user correlation for the given table in this mail

2014-09-29 Thread vinayakb malagatti
Hi all, I have table something looks like in DB : ​​​ rating table https://docs.google.com/spreadsheets/d/1PrShX7X70PqnfIQg0Dfv6mIHtX1k7KSZHTBfTPMv_Do/edit?usp=drive_web ​ Thanks and Regards, Vinayak B

Re: Streaming K Means

2014-09-29 Thread Suneel Marthi
This was replied to earlier with the details u r looking for, repeating here again: See http://stackoverflow.com/questions/17272296/how-to-use-mahout-streaming-k-means/18090471#18090471 for how to invoke Streaming Kmeans Also look at examples/bin/cluster-reuters.sh for the Streaming KMeans

Re: how to get recommendations by using user-user correlation for the given table in this mail

2014-09-29 Thread Pat Ferrel
You have users, services, and vendors. You should decide what you want to recommend. Service? Vendor? Service of Vendor? Assuming the latter combine the services and vendors into a single ID space: vendor1-service1, vendor1-service2 … Then decide what method you want to create recs. We are

Re: how to get recommendations by using user-user correlation for the given table in this mail

2014-09-29 Thread Ted Dunning
I would recommend that you look at actions other than ratings as well. Did a user expand and read 1 review? did they read 3 reviews? Did they mark a rating as useful? Did they ask for contact information? You know your system better than I possibly could, but using other information in

Re: how to get recommendations by using user-user correlation for the given table in this mail

2014-09-29 Thread vinayakb malagatti
@Pat and @Ted Thank You so much for the replay. I was looking for the solution as Pat suggested, here I want to suggest the Vendors to the User which he not yet used by User taking the history of that User and compare with other user who have rated the common vendors. If we take the table in that

Re: Cosine Similarity and LogLikelihood not helpful for implicit feedback!

2014-09-29 Thread Ted Dunning
How are you using LLR to compute user similarity? It is normally used to compute item similarity? Also, what is your scale? how many users? how many items? how many actions per user? On Mon, Sep 29, 2014 at 6:24 PM, Parimi Rohit rohit.par...@gmail.com wrote: Hi, I am exploring a