IfcLLM: Natural Language Querying of IFC Models through Complementary Relational and Graph Representations

arXiv:2605.13236 · cs.CL · Submitted 2026-05-13 · Read on arXiv

cs.CL

Submitted: 2026-05-13

Updated: 2026-10-21

Code: https://github.com/ara3d/IFC-toolkit

Project page: https://langchain-ai.github.io/langgraph

Terminology

• Ablation — 12× in this paper · explained in 1 episode
• Accuracy — 10× in this paper · explained in 1 episode
• Planner — 10× in this paper · explained in 3 episodes
• Ablation Study — 8× in this paper · explained in 3 episodes
• Core — 8× in this paper · explained in 2 episodes
• Industry Foundation Classes — 6× in this paper
• Digital Twin — 4× in this paper · explained in 6 episodes
• Embeddings — 4× in this paper · explained in 2 episodes
• Knowledge Graph — 3× in this paper · explained in 8 episodes
• Ontology — 3× in this paper · explained in 2 episodes
• RAG — 3× in this paper · explained in 3 episodes
• Benchmark — 2× in this paper · explained in 2 episodes
• Benchmarking — 2× in this paper · explained in 4 episodes
• Graph Construction — 2× in this paper · explained in 3 episodes
• Multi-Agent Framework — 2× in this paper · explained in 3 episodes
• Query Complexity — 2× in this paper · explained in 2 episodes
• Text-to-SQL — 2× in this paper · explained in 4 episodes
• Agentic AI — 1× in this paper · explained in 2 episodes
• Australian Research Council — 1× in this paper
• Computational overhead — 1× in this paper · explained in 2 episodes
• Distillation — 1× in this paper · explained in 2 episodes
• Generative AI — 1× in this paper · explained in 2 episodes
• Interpretability — 1× in this paper · explained in 15 episodes
• Knowledge Distillation — 1× in this paper · explained in 15 episodes
• Knowledge graphs — 1× in this paper · explained in 2 episodes
• Language Models (LLMs) — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 8 episodes
• Retrieval-Augmented Generation (RAG) — 1× in this paper · explained in 21 episodes
• Robustness — 1× in this paper · explained in 6 episodes
• Structured Reasoning — 1× in this paper · explained in 3 episodes

Sources

• GPT-4 Technical Report
• gpt-oss-120b & gpt-oss-20b Model Card
• Retrieval-Augmented Generation for Large Language Models: A Survey
• LLM-assisted Graph-RAG Information Extraction from IFC Data
• Semantically Enriched Cross-Lingual Sentence Embeddings for Crisis-related Social Media Texts
• Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks
• KnowGPT: Knowledge Graph based Prompting for Large Language Models
• A Survey of Large Language Models
• Cypher4BIM: Releasing the Power of Graph for Building Knowledge Discovery

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