{"type": "article", "title": "Beyond Similarity: Heterogeneous Graph Learning for Multi-Objective Food Substitution in Charitable Food Agencies", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/beyond-similarity-heterogeneous-graph-learning-for-multi-objective-food-in-food", "original_source": "https://www.machinebrief.com/news/beyond-similarity-heterogeneous-graph-learning-for-multi-obj-20wn", "published": "2026-08-25T04:00:00+00:00", "accessed": "2026-08-25", "id": "beyond-similarity-heterogeneous-graph-learning-for-multi-objective-food-in-food"}