Alessandro Benedetti Evaluation & User Behaviour, Learning To Rank, Machine Learning, Main Blog, Meetup

London Information Retrieval Meetup June

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 : https://www.meetup.com/London-Information-Retrieval-Meetup-Group/events/270905716/ Our second speaker is … Continue reading London Information Retrieval Meetup June

Anna Ruggero Learning To Rank, Machine Learning, Main Blog, Search

Online Testing for Learning To Rank: Interleaving

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 … Continue reading Online Testing for Learning To Rank: Interleaving

Anna Ruggero Learning To Rank, Machine Learning, Main Blog, Search

The Importance of Online Testing in Learning to Rank – Part 1

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 … Continue reading The Importance of Online Testing in Learning to Rank – Part 1

Alessandro Benedetti Apache Lucene, Apache Solr, Elasticsearch, Enterprise Search, Learning To Rank, Main Blog, Search

Haystack 2019 Experience

This blog is a quick summary of my (subjective) experience at Haystack 2019 : the Search Relevance Conference, hosted in Charlottesville (Virginia, USA) from 24/04/2019 to 25/04/2019.References to the slides will be updated as soon as they become available. First of all my feedback on the Haystack Conference is extremely positive.From my perspective the conference … Continue reading Haystack 2019 Experience

Alessandro Benedetti Apache Lucene, Apache Solr, Learning To Rank, Main Blog

London Information Retrieval Meetup

The London Information Retrieval Meetup is approaching (19/02/2019) and we are excited to add more details about the speakers and talks!The event is free and you are invited to register :https://www.eventbrite.com/e/information-retrieval-meetup-tickets-54542417840After Sambhav Kothari, software engineer at Bloomberg and Elia Porciani, R&D software engineer at Sease, our last speaker is Andrea Gazzarini, founder and software engineer at Sease … Continue reading London Information Retrieval Meetup

Alessandro Benedetti Apache Lucene, Apache Solr, Deep Learning, ECIR, European Conference, Evaluation & User Behaviour, Information Retrieval, LambdaMART, Learning To Rank, Machine Learning, Main Blog, RankLib, Recommender Systems, Representation, Search, Topic Modeling

ECIR 2018 Experience

This blog is a quick summary of my (subjective) experience at ECIR 2018 : the 40th European Conference on Information Retrieval, hosted in Grenoble (France) from 26/03/2018 to 29/03/2018. Deep Learning and Explicability Eight long papers accepted were about Deep Learning. The topics "Neural Network" and "Word Embedding" were the most occurring in the accepted … Continue reading ECIR 2018 Experience

Alessandro Benedetti Apache Lucene, Apache Solr, Feature Engineering, LambdaMART, Learning To Rank, Machine Learning, Main Blog, Search, SVM

Solr Is Learning To Rank Better – Part 4 – Solr Integration

Last Stage Of The Journey This blog post is about the Apache Solr Learning To Rank ( LTR ) integration. We modelled our dataset, we collected the data and refined it in Part 1 . Trained the model in Part 2 . Analysed and evaluate the model and training set in Part 3 . We … Continue reading Solr Is Learning To Rank Better – Part 4 – Solr Integration

Alessandro Benedetti Apache Lucene, Apache Solr, LambdaMART, Learning To Rank, Machine Learning, Main Blog, Visualization Tools

Solr Is Learning To Rank Better – Part 3 – Ltr tools

Apache Solr Learning to Rank - Things Get Serious This blog post is about the Apache Solr Learning to Rank Tools : a set of tools to ease the utilisation of the Apache Solr Learning To Rank integration. The model has been trained in Part 2, we are ready to deploy it to Solr, but … Continue reading Solr Is Learning To Rank Better – Part 3 – Ltr tools

Alessandro Benedetti Apache Solr, LambdaMART, Learning To Rank, Machine Learning, Main Blog, NDCG, RankLib, Search, SVM

Solr Is Learning To Rank Better – Part 2 – Model Training

Model Training For Apache Solr Learning To Rank  If you want to train a model for Apache Solr Learning To Rank , you are in the right place. This blog post is about the model training phase for the Apache Solr Learning To Rank integration. We modelled our dataset, we collected the data and refined it … Continue reading Solr Is Learning To Rank Better – Part 2 – Model Training

Alessandro Benedetti Apache Solr, Data Preparation, Feature Engineering, Learning To Rank, Machine Learning, Main Blog, RankLib, Search, Signal Processing

Solr Is Learning To Rank Better – Part 1 – Data Collection

Learning To Rank In Apache Solr Introduction This blog post is about the journey necessary to bring Learning To Rank In Apache Solr search engines. Learning to Rank[1] is the application of Machine Learning in the construction of ranking models for Information Retrieval systems. Introducing supervised learning from user behaviour and signals can improve the relevancy … Continue reading Solr Is Learning To Rank Better – Part 1 – Data Collection