# Toward Recommendation for Upskilling: Modeling Skill Improvement and Item Difficulty in Action Sequences

> Research article (2020 IEEE 36th International Conference on Data Engineering (ICDE), 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3032226293](https://www.wikidata.org/wiki/openalex:W3032226293)  
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