Weijun Ren

User behavior sequence modeling to optimize ranking mechanism for e-commerce search

2017 · Proceedings of the 3rd International Conference on Communication and Information Processing

E-commerce is now playing an increasingly important role in the daily life, and thus search engine is critical for optimizing user experience of online shopping, of which an abundant of researches have been released. The …

Implicit Relation Linking for Question Answering over Knowledge Graph

2022 · Findings of the Association for Computational Linguistics: ACL 2022

Relation linking (RL) is a vital module in knowledge-based question answering (KBQA) systems. It aims to link the relations expressed in natural language (NL) to the corresponding ones in knowledge graph (KG). Existing methods mainly …