So far, declarative mapping languages for knowledge graph construction (RML and the likes) have lacked a solid formal foundation 😶🌫️
⚡ Our latest work, accepted for #ESWC2025, changes that: We introduce an algebra for mappings, provide a formal semantics for RML, and more.
🔎 arxiv.org/abs/2503.10385
arxiv.org
An Algebraic Foundation for Knowledge Graph Construction (Extended Version)
Although they exist since more than ten years already, have attracted diverse implementations, and have been used successfully in a significant number of applications, declarative mapping languages fo...
