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What Is RAG and Its Impact on LLM Performance

RAG (Retrieval-Augmented Generation) significantly boosts the accuracy and relevance of large language models (LLMs) by integrating real-time data retrieval into the generation process. Industry studies show that models using RAG can achieve 20–30% higher recall rates in selecting relevant…
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Image of Author Dr. Dipen
Dr. Dipen
I am an AI/ML researcher with 150+ citations and 16 published research papers. I have three tier-1 publications, including Internet of Things (Elsevier), Biomedical Signal Processing and Control (Elsevier), and IEEE Access. In my research journey, I have collaborated with NASA Glenn Research Center, Cleveland Clinic, and the U.S. Department of Energy for various research projects. I am also an official reviewer and have reviewed over 100 research papers for Elsevier, IEEE Transactions, ICRA, MDPI, and other top journals and conferences. I hold a PhD from Cleveland State University with a focus on large language models (LLMs) in cybersecurity, and I also earned a master’s degree in informatics from Northeastern University.
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    Architecting AI Systems That Scale Responsibly

    Watch: AWS re:Invent 2025 - From principles to practice: Scaling AI responsibly with Indeed (AIM3323) by AWS Events Architecting AI systems that scale responsibly requires balancing technical robustness with ethical considerations. A comparison of five common architectures-monolithic,…
    Thumbnail Image of Tutorial Architecting AI Systems That Scale Responsibly
    Image of Author Dr. Dipen
    Dr. Dipen
    I am an AI/ML researcher with 150+ citations and 16 published research papers. I have three tier-1 publications, including Internet of Things (Elsevier), Biomedical Signal Processing and Control (Elsevier), and IEEE Access. In my research journey, I have collaborated with NASA Glenn Research Center, Cleveland Clinic, and the U.S. Department of Energy for various research projects. I am also an official reviewer and have reviewed over 100 research papers for Elsevier, IEEE Transactions, ICRA, MDPI, and other top journals and conferences. I hold a PhD from Cleveland State University with a focus on large language models (LLMs) in cybersecurity, and I also earned a master’s degree in informatics from Northeastern University.
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      Using Context Engineering to Gain a Competitive Edge

      Watch: Context Engineering - Enterprise Buzzword or Systemic Human Advantage? by Mark Andrews Context engineering transforms how businesses apply AI models by embedding domain-specific knowledge into systems, creating a competitive edge when generic AI tools are widely accessible. As mentioned in…
      Thumbnail Image of Tutorial Using Context Engineering to Gain a Competitive Edge
      Image of Author Dr. Dipen
      Dr. Dipen
      I am an AI/ML researcher with 150+ citations and 16 published research papers. I have three tier-1 publications, including Internet of Things (Elsevier), Biomedical Signal Processing and Control (Elsevier), and IEEE Access. In my research journey, I have collaborated with NASA Glenn Research Center, Cleveland Clinic, and the U.S. Department of Energy for various research projects. I am also an official reviewer and have reviewed over 100 research papers for Elsevier, IEEE Transactions, ICRA, MDPI, and other top journals and conferences. I hold a PhD from Cleveland State University with a focus on large language models (LLMs) in cybersecurity, and I also earned a master’s degree in informatics from Northeastern University.
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        Critically Assessing Generative AI Amid Hype

        Generative AI transforms content creation but requires careful evaluation. Below is a structured overview of its capabilities, challenges, and implementation considerations: Generative AI excels in automating repetitive tasks. For example, content generation (e.g., articles, social media posts)…
        Thumbnail Image of Tutorial Critically Assessing Generative AI Amid Hype
        Image of Author Dr. Dipen
        Dr. Dipen
        I am an AI/ML researcher with 150+ citations and 16 published research papers. I have three tier-1 publications, including Internet of Things (Elsevier), Biomedical Signal Processing and Control (Elsevier), and IEEE Access. In my research journey, I have collaborated with NASA Glenn Research Center, Cleveland Clinic, and the U.S. Department of Energy for various research projects. I am also an official reviewer and have reviewed over 100 research papers for Elsevier, IEEE Transactions, ICRA, MDPI, and other top journals and conferences. I hold a PhD from Cleveland State University with a focus on large language models (LLMs) in cybersecurity, and I also earned a master’s degree in informatics from Northeastern University.
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          Designing Zero-Waste Agentic RAG for Low LLM Costs

          Designing zero-waste agentic RAG systems requires balancing cost efficiency with performance. Below is a structured overview of key considerations for implementing this architecture while minimizing large language model (LLM) expenses. To evaluate options, consider the tradeoffs between common RAG…
          Thumbnail Image of Tutorial Designing Zero-Waste Agentic RAG for Low LLM Costs
          Image of Author Dr. Dipen
          Dr. Dipen
          I am an AI/ML researcher with 150+ citations and 16 published research papers. I have three tier-1 publications, including Internet of Things (Elsevier), Biomedical Signal Processing and Control (Elsevier), and IEEE Access. In my research journey, I have collaborated with NASA Glenn Research Center, Cleveland Clinic, and the U.S. Department of Energy for various research projects. I am also an official reviewer and have reviewed over 100 research papers for Elsevier, IEEE Transactions, ICRA, MDPI, and other top journals and conferences. I hold a PhD from Cleveland State University with a focus on large language models (LLMs) in cybersecurity, and I also earned a master’s degree in informatics from Northeastern University.
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