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JD Retail Technology
JD Retail Technology
Dec 9, 2024 · Artificial Intelligence

Generative Retrieval for E‑commerce Search: Lexical‑Based and Semantic‑ID Approaches

This article presents a comprehensive study of generative retrieval in large‑scale e‑commerce search, detailing lexical‑based and SemanticID‑based methods, their challenges such as long‑tail distribution and token length, experimental evaluations, the discovered "sandglass" effect, and proposed solutions to improve recall and efficiency.

AIe-commerce searchgenerative retrieval
0 likes · 20 min read
Generative Retrieval for E‑commerce Search: Lexical‑Based and Semantic‑ID Approaches
DataFunSummit
DataFunSummit
Nov 28, 2024 · Artificial Intelligence

Generative Retrieval for E‑commerce Search: Lexical and SemanticID Approaches

This article presents a comprehensive study of generative retrieval for large‑scale e‑commerce search, detailing background challenges, the advantages of generative methods, two concrete strategies—Lexical‑based and SemanticID‑based—along with task redesign, preference optimization, constrained beam search, extensive experiments, and future research directions.

e-commerce searchgenerative retrievallarge language models
0 likes · 21 min read
Generative Retrieval for E‑commerce Search: Lexical and SemanticID Approaches