Microsoft Technology Licensing, LLC

Namit Sikka

Birjodh S Tiwana

Ali Sadiq Mohamed

Adam Robert Peck

Francisco José Claude Faust

Nisheedh Raveendran

Siddharth Dangi

Described herein is a technique to facilitate filtering during candidate retrieval stage performed by an information retrieval system that utilizes embedding models. An aNN indexing structure is created for each end-user, and in some instances, each activity type. This allows a single request for candidate content items to invoke a single process to obtain content items that satisfy the filtering criteria (e.g., in this case, the in-network requirement) from the separate per-end-user indexes.

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Namit Sikka