Oren Somekh

Budget-Constrained Item Cold-Start Handling in Collaborative Filtering Recommenders via Optimal Design

2015

It is well known that collaborative filtering (CF) based recommender systems provide better modeling of users and items associated with considerable rating history. The lack of historical ratings results in the user and the item …

Soft Frequency Capping for Improved Ad Click Prediction in Yahoo Gemini Native

2019

Yahoo's native advertising (also known as Gemini native) serves billions of ad impressions daily, reaching a yearly run-rate of many hundred of millions USD. Driving the Gemini native models that are used to predict both …