https://swanref.org/ 2025-01-10 weekly 1.0 https://swanref.org/about 2025-01-10 monthly 0.8 https://swanref.org/blog/ai-hallucination-in-academic-writing.html 2025-01-10 monthly 0.7 https://swanref.org/ai-hallucination-detector 2025-01-10 weekly 0.9 https://swanref.org/chatgpt-fake-references 2025-01-10 weekly 0.9 https://swanref.org/how-to-check-citations 2025-01-10 weekly 0.8