<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://blog.dailydoseofds.com/p/the-reward-signal-problem-for-agents</loc><news:news><news:publication><news:name>Daily Dose of Data Science</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-07-06T14:38:04+00:00</news:publication_date><news:title>The Reward Signal Problem for Agents</news:title></news:news></url><url><loc>https://blog.dailydoseofds.com/p/how-to-reduce-llm-costs-by-50-60</loc><news:news><news:publication><news:name>Daily Dose of Data Science</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-07-05T23:16:57+00:00</news:publication_date><news:title>How to Reduce LLM Costs by 50-60% Using Model Routing</news:title></news:news></url></urlset>