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Search with Machine Learning

This course covers the fundamentals of integrating machine learning and natural language processing techniques into search engines. We'll learn how to use machine learning for ranking, content understanding, and query understanding, along with how to use embeddings, dense vectors and deep learning to improve retrieval and ranking. You will build applications using OpenSearch (an open fork of Elasticsearch) and several ML libraries and plugins. Note: This course assumes that you have already learned search fundamentals; if not, then we encourage you to take our companion “Search Fundamentals” course so that you will be prepared for this one.

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Grant Ingersoll
Former CTO at Wikimedia
Instructor profile photo
Daniel Tunkelang
Machine Learning Consultant
US$ 800
or included with membership
Coming soon
Sold out, but you can still join the waitlist!

Course taught by expert instructors

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Grant Ingersoll

Former CTO at Wikimedia

Grant is a CTO, independent consultant and advisor. He is the former CTO of the Wikimedia Foundation and the co-founder and ex-CTO of Lucidworks, co-author of Taming Text, co-founder of Apache Mahout and a long-standing committer on the Apache Lucene and Solr open source projects. Grant’s experience includes managing a large team of engineers, researchers and data scientists at a top ten website as well as engineering a variety of search, question answering, and natural language processing applications for a variety of domains and languages. He earned his B.S. from Amherst College in Math and Computer Science and his M.S. in Computer Science from Syracuse University.

Instructor Photo
Affiliation logo

Daniel Tunkelang

Machine Learning Consultant

Daniel is an independent consultant specializing in search, machine learning / AI, and data science. He was a founding employee of Endeca, a search pioneer that Oracle acquired in 2011. He then led engineering and data science teams at Google and LinkedIn. He’s worked with a wide range of consulting clients, including Apple, eBay, Pinterest, Salesforce, Yelp, and Zoom. He wrote a book on Faceted Search, published by Morgan & Claypool, and he blogs on Medium about search-related topics — particularly query understanding. Daniel has degrees in Computer Science and Math from MIT and a PhD in computer science from CMU.

The course

Learn and apply skills with real-world projects.

Who is it for?
  • Software engineers and data scientists looking to learn more about how search engines work, and specifically where they can best apply machine learning to improve search quality.

  • Ability to write Python and work with documented libraries.

  • Comfort working with web applications, Docker basics (e.g. start, stop) and the command line.

  • Search Fundamentals ( class certificate or academic or industry experience working with search engines such as Elasticsearch/OpenSearch/Solr/Vespa. We will not be teaching search fundamentals in this course.

Not ready?

Try these prep courses first

  • How to model and measure search relevance
  • Relevance, ranking, diversity – how they all fit together
  • How to use machine learning for ranking results
You will create, deploy, and experiment with a machine-learning ranking model using ecommerce application data and query logs.
  • Techniques for content classification and annotation, such as entity recognition
  • Supervised and unsupervised machine learning methods for content understanding
  • How to build, evaluate, and improve a neural content classifier
You will enrich the ecommerce application from weeks 1 and 2 with content attributes derived from rules-based and machine-learned classification, as well as using classifiers to automatically enrich new unlabeled content.
  • Fundamentals and key components of query understanding
  • How to combine query understanding with retrieval and ranking
  • How to build, evaluate, and improve a neural query classifier
You will enrich the ecommerce application from previous weeks with machine-learned query understanding, based on query-content-label triples, to improve retrieval and relevance.
  • Using dense vector representations for semantic search
  • Indexing and querying approaches for dense vectors
  • Using vectors for query and content similarity
The inverted index has served as the foundation of most search engines for decades, and still does so today. But the emergence of word embeddings has been driving a semantic search revolution driven by vector representations and nearest-neighbor methods. In this project, you will use embeddings to represent products and queries as vectors and explore vector search approaches for retrieval and ranking.

A course you'll actually complete. AI-powered learning that drives results.

AI-powered learning

Transform your learning programs with personalized learning. Real-time feedback, hints at just the right moment, and the support for learners when they need it, driving 15x engagement.

Live courses by leading experts

Our instructors are renowned experts in AI, data, engineering, product, and business. Deep dive through always-current live sessions and round-the-clock support.

Practice on the cutting edge

Accelerate your learning with projects that mirror the work done at industry-leading tech companies. Put your skills to the test and start applying them today.

Flexible schedule for busy professionals

We know you’re busy, so we made it flexible. Attend live events or review the materials at your own pace. Our course team and global community will support you every step of the way.


Completion certificates

Each course comes with a certificate for learners to add to their resume.

Best-in-class outcomes

15-20x engagement compared to async courses

Support & accountability

You are never alone, we provide support throughout the course.

Get reimbursed by your company

More than half of learners get their Courses and Memberships reimbursed by their company.

Hundreds of companies have dedicated L&D and education budgets that have covered the costs.


Course success stories

Learn together and share experiences with other industry professionals

I feel that taking the course helped me better understand the Search domain in my company, which is very useful for my work. Thanks for a great experience!

Nir AvivSoftware Engineer at Fiverr

Best online course I've taken!

Zachary KneupperSoftware Engineer at

The best way to learn how to apply ML to search in a collaborative and friendly way !

Francis Turgeon-BoutinSoftware Developer at Coveo

If you want to learn practical knowledge of using Machine Learning on Opensearch, this course is definitely for you.

Ilkcan KelesPhD, Expert Software Engineer at Tomtom

It was difficult, but a level of difficulty that will make it proud of yourself! I learnt so much! Exactly what I dreamt of.

Thomas QuesteSoftware engineer - Search Relevance Engineer at ADEO

I had a blast! 4 weeks of intense immersion, with great instructors, and a very open and sharing community I now have new tools in my toolbox. And new additions to my professional network to ask when the need arises.

Fredrik OlssonPhD. Head of Data Science, Product Owner @ Gavagai

I have been working in Search for a long time and 90% of this time I have used Solr / Lucene. I wanted to learn about other search engines so I enrolled in this course. I have delivered Solr trainings myself in the past and I will continue in the future too, and my participation in this course will certainly change my training style! I loved the insightful questions and discussions and some questions helped me open up my perspectives about certain concepts. Big thank you to both the trainers Grant and Daniel and organizers -- it was an awesome class and best wishes to the future classes!

Atita AroraSearch Consultant at OpenSource Connections

A must have course for search engineers and anyone looking for a solid introduction to search with ML. Highly recommended!

Shreejay NairSoftware Engineer at Seekr Technologies

The course is really great if you're someone who likes to work hands-on first and learn a long the way as you're doing the assignment. The time schedule is very flexible, lectures are recorded, multiple coding sessions for different time zones. It'd say this is one of the best teaching approaches I've tried so far!

Martynas JakimcikasSoftware Engineer (Search) at Vinted / Kleiderkreisel

Search with Machine Learning is an incredible course taught by two industry experts and a community of fellow search engineers. It was an intense four weeks but I walked away with a deep understanding of how to build a great search engine. I am already applying these skills in my workplace and will surely leverage this knowledge in the future.

Clinton HalpinLead UX Designer - Search & Discovery at AlphaSense, Inc.

This course is a great resource. It's like a live reference book for anything from Indexing to Query Understanding. The authors are very approachable and they share a lot of their expertise on the techniques and their business applications. And it's good to see so many people working in the field and being so generous with their time to help and share their experience. Excellent overall!

Nicholas BacuezSoftware Developer at

The Uplimit Search with Machine Learning class was four solid weeks of the right mix of lectures, eminent guests' talks, weekly project/homework, and on-going near real-time interactions with the industry veterans instructors as well as the co-students. Just that interaction was priceless! As a search engineer, consultant, and practitioner, the Uplimit class significantly strengthened my knowledge of, and confidence in, the know-how of Learning-to-Rank, and the use of Machine Learning techniques for content and query classifications, all for improving Relevancy. I strongly recommend this class to anyone involved in designing, developing, and supporting information retrieval ("search") solutions. Thank you Grant, Daniel, Judy, and Amber at Uplimit for a great class.

Bertrand RigaldiesInformation Retrieval & Search Consultant at OpenSource Connections

Thanks for the awesome course! Really helped me to improve my skillset in area of Information retreival.

Aditya DeshpandeSr. Applied Scientist at Amazon

I'm happy to have taken this course: it is well organized, with very supporting and caring teaching crew, Grant and Daniel. Both bring unique perspectives -- engineer's and data scientist's -- into the topic of Search, showing how multifaceted it has become over the years. The atmosphere on the course has been awesome, everyone is so supportive and sharing ideas and asking tough questions or even sharing that little recipe to overcome a programming / infrastructure issue. Saved me a ton of time! I've also enjoyed interacting with Judy during the course as she was timely checking in on how I am doing and what kind of feedback I've got, overall creating a positive and supportive vibe to keep going. I have already recommended the course to my clients. You will get a shared feeling of that you are not the only person in the world solving a tough Search challenge, and may be even meet new friends in the field.

Dmitry KanPrincipal AI Scientist at Silo AI and Host of Vector Podcast

The whole course was extremely relevant (no pun intended) for my work in search and I could feel the ideas coming up in my head as the weeks progressed.

Rafael Magalhães Braga de SouzaHead of Search and Recommendation at Jusbrasil

This has been a great learning experience of applying some of the concepts in machine learning to search!

Sumit SidanaSenior Data Scientist @ JustEat

I can think of no better person to teach a class on 'search with machine learning' than Grant Ingersoll. Through his open source work on the Apache Solr search engine and as a founder of the Apache Mahout machine learning framework, Grant has done more to teach developers about the technology concepts and applications of ML and search than anyone in the business. If you type “machine learning “and “search” into Google, the top result is Lucidworks, a company that Grant was the driving force for. This is a no-brainer, take this class from Grant!

Adam Cheyerco-founder of Siri

Grant is an established expert in the area of Search, Machine Learning, and AI! He has the mind of a researcher, an educator and has demonstrated the applicability of these deep topic areas into real-world products used by enterprises. What better way to learn than from someone who is a published author, a hands-on practitioner, and an industry expert?

Sameer MaggonProgram Manager, Salesforce

Grant has a unique combination of breadth and depth in the search space, from designing a search solution for performance and stability at scale, while also having deep expertise in the internals of the engine, such as text analysis, relevancy tuning, query optimization, and index design. You won’t find a better teacher to provide a solid foundation in the theory as well as how to apply it when building real world search applications.

Tim PotterSearch Engineer @ Apple

Daniel has unparalleled experience in search and machine learning. He brings practical experiences and has consulted for a wide range of companies from Apple to Zoom.

Ronny KohaviAirbnb / Amazon / Microsoft leader in experimentation

Daniel is a well-known expert on what useful search looks like in practice. Between his founding role as Endeca's chief scientist, his experience at Google and LinkedIn, and his consulting for numerous tech companies and retailers, he has seen and done it all. If you want to learn about relevance, user happiness, and optimizing search applications so they actually help people find things, you cannot do better than a course from Daniel.

Greg LindenAmazon / Google / Microsoft veteran

For those with a good ML background and an interest in search: This is the best course I've found that is the correct balance between the two subjects.

Skyler GrammerSenior AI Scientist at Target

This is brilliant course with a strong practical focus. It helped me a lot in building my understanding of successful search techniques used by industry. I was taking this course with my colleague and we build a search roadmap using learnings from the test.

Tetiana TorovetsStaff Data Scientist at thredUP

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