Hassan Djirdeh
Hassan is a senior front-end engineer and has helped build large production applications at-scale at organizations like Doordash, Instacart, and Shopify. Hassan is also a published author and course instructor where he’s helped thousands of students learn in-depth front-end engineering skills like React, Vue, TypeScript, and GraphQL.
Articles by the Author
What Is Hybrid Search?
Hybrid search combines keyword and semantic retrieval so one retriever handles both exact tokens and reworded concepts, not either alone.
Semantic Search vs Keyword Search and Why You Need Both
Keyword search and semantic search each solve different retrieval problems, but neither is perfect on its own.
RAG vs Fine-Tuning: When to Use Which?
RAG changes what a model knows by retrieving from a live knowledge base, while fine-tuning changes how a model behaves by training it on curated examples. In this post, we compare them in terms of accuracy, cost and citations, and show when to reach for each.
What Is Named Entity Recognition (NER) in RAG?
Named Entity Recognition (NER) finds the people, organizations and dates inside unstructured text and stores them as metadata alongside the embeddings. In this post, we explain how that metadata sharpens retrieval and show how Progress Agentic RAG automatically detects entities during ingestion.
How User-Centricity in Sitefinity Empowers Content Teams
A CMS that puts users first can change how content teams approach their work, allowing for more confidence and more effective strategies.
How an Intuitive CMS Empowers Marketing and Reduces IT Requests
With an intuitive CMS, marketing teams can own the content and IT can focus on higher impact priorities.
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