LinkSage: GNN-based Pinterest Off-site Content Understanding

LinkSage is a Graph Neural Network-based model developed by Pinterest to improve the understanding of off-site content. It provides a unified semantic embedding of Pinterest landing pages, leverages a graph-based model using Pinner's curated data, and offers multi-dimensional representation. LinkSage has shown significant improvements in engagement and monetization across various user-facing surfaces, ads, and boards on Pinterest.