Rolan Yan (Preferred)
Rolan Yan
Joined
November 2021
Names
Emails
****@tencent.com (Confirmed)
****@qq.com (Confirmed)
Personal Links
Career & Education History
Researcher
WeChat Search Team, WeChat Search Team (tencent.com)
2013 – 2025
Advisors, Relations & Conflicts
Expertise
large language models (LLMs)
, neural search
, semantic search
, retrieval-augmented generation (RAG)
, query understanding
, document summarization
, conversational search
, knowledge-enhanced retrieval
2024 – 2025
search algorithms
, information retrieval
, ranking models
, index optimization
, query processing
, web search engines
, PageRank
, TF-IDF
, BM25
2015 – 2025