# NUDTSNA at TREC 2015 Microblog Track: A Live Retrieval System Framework for Social Network based on Semantic Expansion and Quality Model

> Research article (Text REtrieval Conference, 2015) · cited 10× · AI/ML

**Wikidata**: [openalex:W2575916962](https://www.wikidata.org/wiki/openalex:W2575916962)  
**Source**: https://4ort.xyz/entity/nudtsna-at-trec-2015-microblog-track-a-live-retrieval-system-framework-for-social-network-based-on-semantic-expansion-an