The article discusses how to choose which information to store in a data warehouse to make it efficient and cost-effective. The researchers developed algorithms to select the best views to store in the data warehouse, aiming to minimize maintenance costs while ensuring quick query responses. They tested their algorithms through simulations and found that their approach worked well in real-world scenarios, providing optimal solutions. The study highlights the importance of selecting the right data to store in a data warehouse for effective decision-making in enterprises.