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information Retrieval Course

information Retrieval Course
flexible workload from 4 to 360h
valid certificate in your country

What will I learn?

This Information Retrieval Course gives you a fast, practical path to building high-quality search. You will explore baseline keyword methods, TF-IDF, and BM25, then advance to semantic retrieval with embeddings, ANN, and scalable indexing. Learn to analyze datasets, model user intent, design test queries, label relevance, compare precision@5, and plan real improvements with monitoring, A/B tests, and learning-to-rank basics.

Elevify advantages

Develop skills

  • Build semantic search: design embedding indexes for fast, relevant results.
  • Implement TF-IDF and BM25: tune ranking models for higher search precision.
  • Analyze search data: explore tags, content fields, and quality to refine recall.
  • Model user intent: craft realistic queries and map them to the right resources.
  • Evaluate search quality: run A/B tests, label relevance, and compare precision@5.

Suggested summary

Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.
Workload: between 4 and 360 hours

What our students say

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EmersonPolice Investigator
The course was essential to meet the expectations of my boss and the company I work for.
SilviaNurse
Very great course. Lots of valuable information.
WiltonCivil Firefighter

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