ME

Webizm Author

Marcus Ellery

72 published articles

About

Marcus Ellery is an artificial intelligence specialist focused on machine learning, AI systems, and the practical application of emerging technologies.

He graduated from the Massachusetts Institute of Technology with a degree in Computer Science and combines a strong technical foundation with experience in developing and evaluating AI-driven solutions.

His work explores machine learning architectures, generative AI, model capabilities, and the ways businesses can integrate artificial intelligence into their products and workflows. Marcus focuses on explaining complex AI concepts in a practical and accessible way.

Resources

Articles by Marcus Ellery

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Artificial IntelligenceAug 27, 2026

How to Test and Evaluate an AI Model

Evaluating an AI model requires assessing accuracy, mitigating hallucination risks, and verifying outputs using techniques like RAG and human-in-the-loop oversight.

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Artificial IntelligenceAug 27, 2026

How Does Memory Work in AI Agents?

AI agents utilize memory systems to retain context, combining short-term processing with long-term vector databases to maintain continuous and personalized interactions.

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Artificial IntelligenceAug 27, 2026

What Is Model Context Protocol (MCP) and How Does It Work?

Model Context Protocol (MCP) is an open standard enabling secure, standardized connections between AI models and external data sources, enhancing LLM capabilities.

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Artificial IntelligenceAug 27, 2026

What Is a Vector Database and When Should You Use One?

A vector database stores and indexes high-dimensional mathematical vectors. It enables efficient similarity search and powers modern AI applications like RAG.

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Artificial IntelligenceAug 27, 2026

What Are Embeddings and How Are They Used in AI Applications?

Embeddings transform text, images, or audio into dense vector representations, enabling AI models to process complex semantic relationships and perform efficient RAG operations.

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Artificial IntelligenceAug 27, 2026

What Is a Context Window and Why Does It Matter in AI Models?

A context window defines the maximum number of tokens an AI model can process at once, directly impacting memory capacity, processing cost, and output accuracy in LLMs.

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Artificial IntelligenceAug 27, 2026

What Are AI Hallucinations and How Can You Reduce Them?

AI hallucinations occur when large language models generate factually incorrect outputs. Reduce them using RAG, clear prompts, and human oversight.

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Artificial IntelligenceAug 27, 2026

What Is Prompt Engineering and How Do You Write Better AI Prompts?

Prompt engineering is the practice of structuring inputs to guide large language models (LLMs) toward accurate, relevant outputs while minimizing hallucination risks.

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Artificial IntelligenceAug 24, 2026

How Is AI Affecting the Workforce?

AI reshapes the global workforce by automating repetitive tasks, introducing specialized roles, and increasing employer demand for advanced data analysis and strategic skills.

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Artificial IntelligenceAug 24, 2026

Data Privacy Risks in AI Use

Integrating generative AI into business workflows introduces data privacy risks, including unauthorized data exposure and compliance breaches under global standards like GDPR.

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Artificial IntelligenceAug 24, 2026

What Is Generative AI?

Generative AI is a branch of artificial intelligence that creates new content, such as text and images, utilizing models like LLMs which require human oversight.

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Artificial IntelligenceAug 24, 2026

What Is Fine-Tuning and When Is It Used?

Fine-tuning adapts pre-trained AI models to specific tasks using custom datasets, improving accuracy and domain relevance while reducing hallucination risks.

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