Abstract: Recommender systems are essential in digital services for helping users find relevant items. One of the main challenges faced by these systems is the problem of sparsity, where limited ...

Deep dish pizza is synonymous with Chicago. A bread-like base topped with layers of mozzarella and chunky tomato sauce is the perfect fortification, some might argue, against the notoriously long and ...

Australian actor Martin Grelis, who appeared in the 1999 first installment of The Matrix film series, has died at the age of 57. “Martin was a bright spark who lit up every room he was in—a talented ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...

Martin Grelis has died at the age of 57. The Matrix actor's passing was confirmed on Tuesday (16.12.25) by his talent agency Sophie Jermyn Management, but no details of the cause of his death have ...

This story appears in the June 2013 issue of National Geographic magazine. The village chief, a wispy fellow with an easy smile and snowy muttonchops, came aboard James Cameron’s expedition ship in ...

Abstract: Real-time movie recommendation systems must efficiently handle large amounts of sparse user-item interaction data while maintaining great prediction accuracy. Conventional collaborative ...

The Matrix collection depicts a complex science fiction story incorporating many philosophical elements. Written and directed by the Wachowskis and produced by Joel Silver.