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In this blog post we will briefly recap things we can’t do when using the alias field type in Elasticsearch.
Join us at our sixth Information Retrieval meetup (fully remote), to explore and discuss the latest trends in the field.
In this post we describe what is an Intervals Table and how to build it using a Behaviour-Driven-Development (BDD) approach.
Introduction A common problem with machine learning models is their interpretability and explainability.We create a dataset and we train a model to achieve a task, then we would like to understand how the model obtains those results. This is often quite difficult to understand, especially with very complex models. In this blog post, I would…
After the very warm reception of the first year, the fifth London Information Retrieval Meetup is approaching (23/06/2020) and we are excited to add more details about our speakers and talks!The event is going to be fully remote (given the COVID-19 situation) and free! You are invited to register : Our second speaker is Martin…
If you have read Part 1 of this blog post, you should know by now how many fantastic things can be done with online testing! In particular, the advantages that interleaving brings with respect to A/B testing, but you are still waiting for the answer to a question: how to implement it? Let’s see together…
You have just trained a learning to rank model and you now want to know how it performs. You can start by looking at the evaluation parameters returned by the train on the test set, but you are still not sure of which will be the impact in using it in a real website. This…
This blog post aims to give a better understanding of Docvalues and stored fields in Apache Solr for the operations in which they can be used interchangeably.
I’ve always loved R&D and I’ve always been fascinated by seeing in action the implementation of my ideas. It was in July 2010 when I started my professional journey in the Open Source search landscape, I was a Junior software engineer at the time, and after few months of post graduate research at Roma3 University…