flowchart TB A[Overall Goal
Research on Explainable Recommendation Methods Enhanced by Large Models for Plateau Multi-ethnic Culture] A --> B[Core Scientific Questions
Cultural knowledge is difficult to express structurally
User behavior is difficult to understand in terms of cultural semantics
Recommendation results lack cultural logical explanations] B --> C1[Research Content 1
Construction of Multi-modal Knowledge Graph for Plateau Multi-ethnic Culture and Research on Cross-lingual Semantic Alignment
Knowledge Layer] B --> C2[Research Content 2
Multi-ethnic User Cross-modal Behavior Understanding Guided by Cultural Semantics and Feature Enhancement Research of Large Models
Representation Layer] B --> C3[Research Content 3
Research on Recommendation Decision-making under Knowledge Constraints and Collaborative Mechanism of Explanation Generation by Large Models
Algorithm Layer] B --> C4[Research Content 4
Verification and Evaluation Research on Explainable Recommendation System for Plateau Characteristic Scenarios
Verification Layer] C1 --> D1[Problem to Solve
How to form a unified, computable, and alignable representation of cultural knowledge] C2 --> D2[Problem to Solve
How to map multi-ethnic user behavior to cultural semantic preferences] C3 --> D3[Problem to Solve
How to achieve knowledge constraints and credible explanations for recommendation results] C4 --> D4[Problem to Solve
Whether the method is effective, explainable, and generalizable in real scenarios] C1 --> E1[Research Points
Multi-modal cultural knowledge extraction
Knowledge graph construction
Cross-lingual and cross-modal semantic alignment] C2 --> E2[Research Points
Behavioral cultural semantic decoding
Emotion-culture collaborative modeling
Feature enhancement and distillation of large models] C3 --> E3[Research Points
Knowledge-constrained recommendation decision-making
Knowledge path evidence construction
Controllable explanation generation by large models] C4 --> E4[Research Points
Recommendation verification of green agricultural and pastoral products
Recommendation verification of low-carbon cultural tourism resources
Comprehensive evaluation and comparative analysis] C1 --> F1[Output
Unified cultural knowledge representation space] C2 --> F2[Output
User cultural semantic representation] C3 --> F3[Output
Explainable recommendation results] C4 --> F4[Output
Performance evaluation and application verification conclusions] F1 --> C2 F2 --> C3 F3 --> C4