Microsoft Technology Licensing, LLC

Strahinja Markovic

Manas Haribhai Somaiya

Tomer Cohen

Madhulekha Arunmozhi

Vivek Yogesh Tripathi

Parinkumar D Shah

Erran Berger

Rushi P Bhatt

Ali Sadiq Mohamed

Xin Hu

Shunlin Liang

Muhammad Hassan Khan

Manish Swaminathan

Prateek Sachdev

Vivek Nelamangala

Caitlin Marie O'Connor

Zeesha Currimbhoy

Sara F Todd

Methods, systems, and computer programs are presented for reducing latency for providing a user feed containing one or more posts. One method includes operations for receiving a request to access the user feed and for performing a first query to search posts. The first query uses a first time horizon delimiting a creation time of posts and a first maximum number of posts selected for ranking. The posts from the first query are sent to the client device for presentation on a user interface. Further, a second query is performed to search posts, where the second query uses a second time horizon that is greater than the first time horizon and a second maximum number of posts for ranking that is greater than the first maximum number of posts. The posts from the first query and the second query are merged and sent to the client device for presentation.

Latency optimization for online service feed

A system, method, and apparatus are provided for propagating a status among related events. A relationship component of the system maintains a graph of the related events and, upon assignment of a status to an event identifies one or more related events (e.g., the root event, other ancestor events, descendant events). A retention component of the system includes multiple nodes that maintain user records (e.g., sharded by user identifier) storing events associated with the members and that also maintain separate event status tables to identify statuses of selected events. For example, an event status table may store statuses of root events and/or other ancestor events from which a given subsequent event may inherit or derive a status. An event status may reflect a quality or characteristic of the event (e.g., spam, low quality, language of the event), a status of the associated user (e.g., fame, level of influence), etc.

Propagating a status among related events

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Strahinja Markovic