Key problems arising in web applications (with millions of users and thousands of items) can
be formulated as linear programs involving billions to trillions of decision variables and …

Social networks and content publishing platforms have newsfeed applications, which show
both organic content to drive engagement, and ads to drive revenue. This paper focuses on …

Effective online consumer research helps companies on defining a successful strategy to
increase user loyalty and shape brand engagement. Digital innovation introduced a …

Mobile notification systems play a major role in a variety of applications to communicate,
send alerts and reminders to the users to inform them about news, events or messages. In …

Mobile notification systems have taken a major role in driving and maintaining user
engagement for online platforms. They are interesting recommender systems to machine …