# Difficulty-controllable question generation over knowledge graphs: A counterfactual reasoning approach

> Research article (Information Processing & Management, 2024) · cited 13× · AI/ML

**Wikidata**: [openalex:W4392876888](https://www.wikidata.org/wiki/openalex:W4392876888)  
**Source**: https://4ort.xyz/entity/difficulty-controllable-question-generation-over-knowledge-graphs-a-counterfactual-reasoning-approach