Alibaba Cloud Developer

May 7, 2020 · Artificial Intelligence

How Hierarchical Attention Boosts Dynamic Heterogeneous Graph Embedding

This article introduces DyHAN, a hierarchical attention‑based dynamic heterogeneous graph embedding method that captures temporal, node‑level, and edge‑level information, demonstrates superior offline and online performance on Alibaba’s ICBU recommendation system, and discusses dataset construction, model architecture, and future challenges.