Pei Lee

Beijing City, China China

Researcher at Didi Chuxing

Technology / Software / Internet

Since 2007, I have worked on following topics, with some of them transformed into products, publications and patents: - Didi's real-time business intelligence platform; - LinkedIn's large-scale recommendation systems; - Social media analytics: tracking the evolution of events/bursts from social streams (e.g., twitter); - Mining business intelligence from social media (e.g., product review, opinion/emotion mining for advertisement, viral marketing, etc); - Key techniques in real-time social web search engine; - Detecting and tracking cohesive subgraphs (k-cores, cliques, quasi-cliques, etc) from large evolving graphs; - Graph database design: graph schema, tabular storage, graph indexin...