RE: UR: build/train/deploy once & querying for 3 use cases

2018-05-10 Thread Nasos Papageorgiou
Hi all, to elaborate on these cases, the purpose is to create a UR for the cases of: 1. “User who Viewed this item also Viewed” 2. “User who Bought this item also Bought” 3. “User who Viewed this item also Bought ” while having Events of Buying and Viewing a product. I would

Re: UR: build/train/deploy once & querying for 3 use cases

2018-05-11 Thread Nasos Papageorgiou
Just a correction: File on the first bullet is engine.json (not events.json). 2018-05-10 17:01 GMT+03:00 Nasos Papageorgiou <at.papageorg...@gmail.com>: > > > Hi all, > to elaborate on these cases, the purpose is to create a UR for the cases > of: > > 1. “Use

Viewed This Bought That Product Template - unresolved dependency

2018-05-25 Thread Nasos Papageorgiou
Hi all, I am using the "Viewed This Bought That Product" Template and I am getting the following error when I build the model: sbt.ResolveException: unresolved dependency: io.prediction#core_2.10;0.12.0-incubating: not found Thanks in advance. Nasos

True Negative - ROC Curve

2018-06-12 Thread Nasos Papageorgiou
Hi all, I want to use ROC curve (AUC - Area Under the Curve) for evaluation of recommended system in case of retailer. Could you please give an example of True Negative value? i.e. True Positive is the number of items on the Recommended List that are appeared on the test data set, where the test

Same query results on different datasets (PIO Apps)

2018-11-22 Thread Nasos Papageorgiou
Hello team, I am using universal recommender (PredictionIO-0.12.1) for two different datasets which are fed on different PIO Apps and I get the same results on the query. Please note that I am using different engine.json files (different appName on data source and algorithm) and I put