semantic relevance

Alimama Tech

Nov 9, 2022 · Artificial Intelligence

Graph-based Weakly Supervised Framework for Semantic Relevance Learning in E-commerce

The paper introduces a graph‑based weakly supervised contrastive learning framework that uses heterogeneous user‑behavior graphs, e‑commerce‑specific augmentations, and a hybrid fine‑tuning/transfer learning strategy to improve semantic relevance matching between queries and product titles, achieving significant gains on a large‑scale Taobao dataset.

Weak Supervisioncontrastive learninge-commerce

0 likes · 12 min read

Graph-based Weakly Supervised Framework for Semantic Relevance Learning in E-commerce

DataFunTalk

May 21, 2020 · Artificial Intelligence

Query Expansion Techniques for Search Optimization: Models, Data Sources, and Practical Practices

This article reviews the factors influencing search results, explains why query expansion is crucial for improving recall, surveys various sources of expansion terms, describes probabilistic and translation‑based models, and offers practical recommendations for building effective, data‑driven query expansion pipelines.

Knowledge Graphinformation retrievalquery expansion

0 likes · 11 min read

Query Expansion Techniques for Search Optimization: Models, Data Sources, and Practical Practices

DataFunTalk

Jul 16, 2019 · Artificial Intelligence

Search Advertising and Ad Recall: Business Logic, Semantic Relevance, and Deep Learning Models at 360

This article explains the architecture of 360's search advertising system, detailing its ad recall, ranking, and display modules, illustrates exact‑match and semantic recall methods with a case study, and reviews the evolution from feature‑engineered GBDT models to deep learning approaches such as DSSM, ESIM, and BERT, including data preparation, training, and performance evaluation.

BERTDSSMSearch Advertising

0 likes · 10 min read