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DaTaobao Tech
DaTaobao Tech
Jun 19, 2024 · Product Management

Multi‑Interest Vector Recall and PDN Models for Large‑Asset Recommendation in Alibaba Auction

Alibaba Auction improves large‑asset recommendation by deploying the multi‑interest vector recall model MIND and the two‑hop PDN model, adapting features and time weighting for unique, high‑value items, using hard‑negative sampling and combined rule‑based and vector similarity, which boosts conversion metrics while revealing filter‑bubble concerns.

PDNdeep learninge-commerce
0 likes · 13 min read
Multi‑Interest Vector Recall and PDN Models for Large‑Asset Recommendation in Alibaba Auction
DataFunTalk
DataFunTalk
Apr 29, 2021 · Artificial Intelligence

Path‑based Deep Network (PDN) for E‑commerce Recommendation Recall

This paper proposes a Path‑based Deep Network (PDN) that combines similarity‑index and embedding‑based retrieval paradigms to model user‑item interactions via Trigger Net and Similarity Net, achieving significant improvements in click‑through rate, GMV, and diversity on Taobao’s homepage feed.

Deep LearningPDNclick-through rate
0 likes · 21 min read
Path‑based Deep Network (PDN) for E‑commerce Recommendation Recall