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Main Blog OpenSearch

opensearch neural search plugin tutorial

_ Anna Ruggero

OpenSearch Neural Search Plugin Tutorial

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Apache Solr Main Blog

large stored fields

_ Elia Porciani

Impact of Large Stored fields on Apache Solr Query Performance

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_ Lisa Biella

Sease at Open Source Summit Japan 2022

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Event Meetup News

_ Lisa Biella

London Information Retrieval Meetup [November 2022]

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data science Tips And Tricks

import pandas in aws lambda

_ Ilaria Petreti

How to Import Pandas in AWS Lambda

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_ Lisa Biella

Sease at Search Solutions 2022

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Apache Solr Event

_ Alessandro Benedetti

Apache Solr: the Top 10 Things We Can Do Better – ApacheCon 2022 Edition

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Apache Solr Learning To Rank Main Blog

categorical features

_ Anna Ruggero

Categorical Features in Apache Solr Learning to Rank

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id discovery

_ Andrea Gazzarini

The Missing Piece: ID Discovery in RRE Enterprise

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Learning To Rank Main Blog

_ Ilaria Petreti

Train and Test Sets Split for Evaluating Learning To Rank Models – Part 2

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Event Meetup News

_ Lisa Biella

London Information Retrieval Meetup [September 2022]

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Query Discovery

_ Andrea Gazzarini

Query Discovery in RRE Enterprise

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_ Andrea Gazzarini

RRE-Enterprise: Make Explicit Ratings Easy

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_ Alessandro Benedetti

RRE-Enterprise: Evaluation Explore/Compare Dashboard

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_ Alessandro Benedetti

RRE-Enterprise: Evaluation Overview Dashboard

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Machine Learning Main Blog

Train and Test Sets Split for Evaluating Learning To Rank Models

_ Ilaria Petreti

Train and Test Sets Split for Evaluating Learning To Rank Models

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Event Meetup News

_ Lisa Biella

London Information Retrieval Meetup [July 2022]

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_ Lisa Biella

Sease at ApacheCon North America

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_ Alessandro Benedetti

RRE-Enterprise: How to Run an Evaluation

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_ Alessandro Benedetti

RRE-Enterprise: How to Manage Your Data Collections

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_ Lisa Biella

Sease at Melbourne Search and Recommendation

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_ Alessandro Benedetti

RRE-Enterprise: How to Set up Your Target Search Engine

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_ Alessandro Benedetti

RRE-Enterprise: How to Manage Your Ratings

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Elasticsearch Main Blog

_ Anna Ruggero

Elasticsearch Disk Space Issue and Rollover Solution

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_ Lisa Biella

Sease at Berlin Buzzwords 2022

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_ Lisa Biella

Sease at ECIR 2022!

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Deep Learning Main Blog

Have Neural Networks Killed the Inverted Index

_ Antonio Mallia

Have Neural Networks Killed the Inverted Index?

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Apache Solr Main Blog

QueryResultCache and FilterCache in Apache Solr

_ Daniele Antuzi

QueryResultCache and FilterCache in Apache Solr

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Conferences News

_ Lisa Biella

Sease at Haystack Live! [March 2022]

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Tips And Tricks

How to Deal with Too Many 'object' in Pandas from JSON Parsing

_ Ilaria Petreti

How to Deal with Too Many ‘object’ in Pandas from JSON Parsing

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JSON Tips And Tricks

_ Anna Ruggero

Efficiently Manage Numeric Ids in JSON and Pandas

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_ Lisa Biella

London Information Retrieval Meetup [March 2022]

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Apache Solr Main Blog

_ Anna Ruggero

How the Feature Vector Cache Is Used in Apache Solr

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Deep Learning Main Blog

_ Antonio Mallia

Tackling Vocabulary Mismatch with Document Expansion

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Apache Solr Main Blog

_ Alessandro Benedetti

Apache Solr Neural Search

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_ Elia Porciani

Apache Solr Neural Search Knn benchmark

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Apache Solr Main Blog

_ Anna Ruggero

Apache Solr Learning To Rank Feature Extraction and qTime

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Artificial Intelligence Main Blog

_ Antonio Mallia

From Training to Ranking: Using BERT to Improve Search Relevance

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Tips And Tricks

_ Ilaria Petreti

How to manage large JSON efficiently and quickly: multiple files

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london information retrieval meetup

_ Lisa Biella

London Information Retrieval Meetup [December 2021]

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Tips And Tricks

_ Ilaria Petreti

How to manage a large JSON file efficiently and quickly

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_ Lisa Biella

London Information Retrieval Meetup [September 2021]

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Artificial Intelligence Main Blog

_ Alessandro Benedetti

Artificial Intelligence Applied to Search: Introduction

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Learning To Rank Tips And Tricks

constant features learning to rank

_ Ilaria Petreti

Drop constant features: a real-world Laerning To Rank scenario

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london information retrieval meetup

_ Lisa Biella

London Information Retrieval Meetup [June 2021]

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Learning To Rank Main Blog

A Learning to Rank Project on a Daily Song Ranking Problem - Sease

_ Ilaria Petreti

A Learning to Rank Project on a Daily Song Ranking Problem – Part 4

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Apache Solr Main Blog

Apache Solr sow Parameter

_ Alessandro Benedetti

Apache Solr sow Parameter (Split on Whitespace) and Multi-Field Full-Text Search

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Apache Lucene Tips And Tricks

lucenematchversion parameter

_ Alessandro Benedetti

The luceneMatchVersion Parameter in Apache Solr

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Learning To Rank Main Blog

_ Ilaria Petreti

A Learning to Rank Project on a Daily Song Ranking Problem – Part 3

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Apache Solr Tips And Tricks

_ Anna Ruggero

Common Errors with Apache Solr Feature and Model Stores

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london information retrieval meetup

_ Lisa Biella

London Information Retrieval Meetup (March 2021)

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Apache Solr Learning To Rank Tips And Tricks

_ Anna Ruggero

Apache Solr Learning to Rank Feature Stores and Models

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Learning To Rank Main Blog

_ Ilaria Petreti

A Learning to Rank Project on a Daily Song Ranking Problem – Part 2

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Elasticsearch Main Blog

_ Elia Porciani

Elasticsearch _source, doc_values and store Performance

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Conferences News RRE

_ Lisa Biella

Sease at Chorus 2021

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Main Blog search quality evaluation

offline search quality evaluation

_ Alessandro Benedetti

Offline Search Quality Evaluation: Rated Ranking Evaluator (RRE)

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Learning To Rank Main Blog

_ Ilaria Petreti

A Learning to Rank Project on a Daily Song Ranking Problem

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Conferences News

london information retrieval meetup

_ Lisa Biella

Sease at London Information Retrieval Meetup [December 2020]

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Apache Solr Learning To Rank Main Blog

Apache Solr Learning To Rank Interleaving

_ Alessandro Benedetti

Apache Solr Learning To Rank Interleaving

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london information retrieval meetup

_ Lisa Biella

London Information Retrieval Meetup (December 2020)

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apache solr beginner course

_ Lisa Biella

Apache Solr Beginner Course [14-15-16 December 2020]

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Elasticsearch Tips And Tricks

Elasticsearch Alias Field Type

_ Andrea Gazzarini

Elasticsearch Alias Field Type

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Conferences News

london information retrieval meetup

_ Lisa Biella

Sease at Information Retrieval Meetup [November 2020]

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london information retrieval meetup

_ Lisa Biella

London Information Retrieval Meetup [November 2020]

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Main Blog Music Information Retrieval

Music Information Retrieval: the Intervals Matrix

_ Andrea Gazzarini

Music Information Retrieval: the Intervals Matrix

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Learning To Rank Main Blog

Explaining Learning to Rank Models with Tree Shap

_ Anna Ruggero

Explaining Learning to Rank Models with Tree Shap

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Conferences News

london information retrieval meetup

_ Lisa Biella

Sease at London Information Retrieval Meetup [June 2020]

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london information retrieval meetup

_ Alessandro Benedetti

London Information Retrieval Meetup [June 2020]

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Conferences Learning To Rank News

_ Lisa Biella

Sease at Haystack Live!

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Learning To Rank Main Blog

interleaving learning to rank

_ Anna Ruggero

Online Testing for Learning To Rank: Interleaving

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Learning To Rank Main Blog

The Importance of Online Testing in Learning to Rank

_ Anna Ruggero

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

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Apache Solr Main Blog

docvalues vs stored fields

_ Elia Porciani

DocValues VS Stored Fields : Apache Solr Features and Performance SmackDown

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Apache Lucene Apache Solr News

apache lucene solr committer italy

_ Alessandro Benedetti

Apache Lucene/Solr Committer !

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Apache Lucene Apache Solr Main Blog

weighted synonyms

_ Alessandro Benedetti

Introducing Weighted Synonyms in Apache Lucene/Solr

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Conferences News

_ Lisa Biella

Sease at London Information Retrieval Meetup (February 2020)

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Main Blog Music Information Retrieval

music information retrieval

_ Andrea Gazzarini

Music Information Retrieval: the Intervals Table

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Apache Solr Main Blog

apache solr atomic updates

_ Andrea Gazzarini

Apache Solr Atomic Updates: a Polymorphic Approach

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london information retrieval meetup

_ Alessandro Benedetti

London Information Retrieval Meetup [February 2020]

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Apache Solr Tips And Tricks

Digging in the Solr code 5 minutes howto

_ Andrea Gazzarini

Digging in the Solr code: 5 minutes howto

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Main Blog search quality evaluation

_ Alessandro Benedetti

Road to Rated Ranking Evaluator Enterprise

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Entity Search Main Blog

Entity Search with Graph Embeddings 4

_ Anna Ruggero

Entity Search with graph embeddings – Part 4 – Evaluation and conclusion

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Apache Solr Tips And Tricks

The Request Handlers Jungle - handleSelect and qt Parameter

_ Alessandro Benedetti

The Request Handlers Jungle – handleSelect and qt Parameter

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Entity Search Main Blog

entity search graph embeddings 3

_ Anna Ruggero

Entity Search with Graph Embeddings – Part 3 – Documents and Retrieval

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Entity Search Main Blog

entity search graph embedd 2

_ Anna Ruggero

Entity Search with graph embeddings – Part 2 – Embeddings and clustering

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Entity Search Main Blog

entity search with graph embeddings

_ Anna Ruggero

Entity Search with graph embeddings – Part 1 – Overview

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Conferences News

_ Lisa Biella

Sease at London Information Retrieval Meetup [October 2019]

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london information retrieval meetup

_ Alessandro Benedetti

London Information Retrieval Meetup [October 2019]

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Apache Solr Main Blog

Apache Solr ChildDocTransformerFactory: How to Build Complex ChildFilter Queries

_ Alessandro Benedetti

Apache Solr ChildDocTransformerFactory: How to Build Complex ChildFilter Queries

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london information retrieval meetup

_ Alessandro Benedetti

London Information Retrieval Meetup [June 2019]

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Conferences News

_ Lisa Biella

Sease at Apache Lucene/Solr Meetup [May 2019]

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_ Alessandro Benedetti

Haystack 2019 Experience

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Conferences News

_ Lisa Biella

Sease at Haystack 2019

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Conferences News

_ Lisa Biella

Sease at ECIR 2019

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Conferences News

_ Lisa Biella

Sease at London Information Retrieval Meetup [February 2019]

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london information retrieval meetup

_ Alessandro Benedetti

London Information Retrieval Meetup [February 2019]

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Conferences News

_ Lisa Biella

Sease at FOSDEM 2019

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Conferences News

_ Lisa Biella

Sease at Apache Lucene/Solr Meetup [2018]

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Apache Solr Tips And Tricks

Apache Solr Facets and ACL Filters Using Tag and Exclusion

_ Alessandro Benedetti

Apache Solr Facets and ACL Filters Using Tag and Exclusion

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Apache Solr Tips And Tricks

Apache Solr Distributed Facets

_ Alessandro Benedetti

Apache Solr Distributed Facets

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Conferences News

_ Lisa Biella

Sease at Haystack 2018

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Synonyms Tips And Tricks

Synonyms and Stopwords: Vademecum

_ Andrea Gazzarini

Synonyms and Stopwords: Vademecum

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Synonyms Tips And Tricks

Still Synonyms + Stopwords?? Mamma mia!

_ Andrea Gazzarini

Still Synonyms + Stopwords?? Mamma mia!

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Synonyms Tips And Tricks

Synonyms + Stopwords?? OMG!

_ Andrea Gazzarini

Synonyms + Stopwords?? OMG!

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Apache Solr Elasticsearch Tips And Tricks

Apache Solr/Elasticsearch: How to Manage Multi-term Concepts out of the Box?

_ Andrea Gazzarini

Apache Solr/Elasticsearch: How to Manage Multi-term Concepts out of the Box?

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Main Blog search quality evaluation

rated ranking evaluator

_ Andrea Gazzarini

Rated Ranking Evaluator: Help the poor (Search Engineer)

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Apache Lucene Main Blog

blendedinfixsuggester

_ Alessandro Benedetti

Apache Lucene BlendedInfixSuggester : How It Works, Bugs And Improvements

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Apache Solr Apache Zookeeper Tips And Tricks

SolrCloud exceptions with Apache Zookeeper

_ Alessandro Benedetti

SolrCloud exceptions with Apache Zookeeper

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Apache Solr Main Blog

Apache Solr: orchestrating Known item and Full-text search

_ Andrea Gazzarini

Apache Solr: orchestrating Known item and Full-text search

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Apache Solr Tips And Tricks

SolrCloud Leader Election Failing

_ Alessandro Benedetti

SolrCloud Leader Election Failing

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Apache Solr Main Blog

Quantities detection in Apache Solr

_ Andrea Gazzarini

Give the height the right weight: quantities detection in Apache Solr

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ecir 2018

_ Alessandro Benedetti

ECIR 2018 Experience

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Conferences News

ecir 2018

_ Lisa Biella

Sease at ECIR 2018

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Apache Solr Main Blog

CompositeRequestHandler

_ Andrea Gazzarini

Apache Solr: Chaining SearchHandler instances: the CompositeRequestHandler

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Apache Solr Tips And Tricks

distributed search for apache solr

_ Alessandro Benedetti

Distributed Search Tips for Apache Solr

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Conferences News

_ Lisa Biella

Sease at Apache Lucene/Solr Meetup [2017]

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Conferences News

_ Lisa Biella

Sease at Open Source Summit

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Conferences News

_ Lisa Biella

Sease at Apachecon 2016

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Apache Solr Learning To Rank Main Blog

Solr Is Learning To Rank Better

_ Alessandro Benedetti

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

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Apache Solr Learning To Rank Main Blog

Solr Is Learning To Rank Better

_ Alessandro Benedetti

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

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Apache Solr Learning To Rank Main Blog

train a model for Apache Solr Learning To Rank

_ Alessandro Benedetti

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

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Apache Solr Learning To Rank Main Blog

Learning To Rank in apache solr

_ Alessandro Benedetti

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

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Apache Lucene Apache Solr Main Blog

Exploring Solr Internals : The Lucene Inverted Index

_ Alessandro Benedetti

Exploring Solr Internals : The Lucene Inverted Index

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Apache Solr Main Blog

solr autocomplete

_ Alessandro Benedetti

Solr: You complete me! The Apache Solr Autocomplete

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Apache Solr Main Blog

Solr Document Classification

_ Alessandro Benedetti

Solr Document Classification – Part 1 – Indexing Time

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Apache Lucene Main Blog

Lucene Classification

_ Alessandro Benedetti

Lucene Document Classification

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Recent Posts

OpenSearch Neural Search Plugin Tutorial
December 19, 2022
Impact of Large Stored fields on Apache Solr Query Performance
December 13, 2022
Sease at Open Source Summit Japan 2022
November 22, 2022