Despite the rapid adoption of LLM chatbots, little is known about how they are used. We document the growth of ChatGPT’s consumer product from its launch in November 2022 through July 2025, when it ...

Abstract: ETL (Extract, Transform, Load) pipelines are an essential part of real-time data warehousing because they help businesses process and analyze large volumes of data quickly. However, building ...

Abstract: This paper presents a novel model-free switching and control method for three-level neutral point clamped (NPC) converter using deep reinforcement learning (DRL). Our approach targets two ...