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Charlie Hull

@thesearchjuggler.bsky.social
140 followers 93 following 131 posts

The Search Juggler: expert consultant in search & AI, conference host & speaker, author - get my help at www.thesearchjuggler.com

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Charlie Hull @thesearchjuggler.bsky.social · 24/09/2026
Between consulting engagements I've been involved in running events for over 20 years. Here's some tips on running your first tech conference thesearchjuggler.com/how-to-run-y... - hope you find it useful!
thesearchjuggler.com
How to run your first tech conference - Charlie Hull - The Search Juggler
So you need to grow your community, develop conversations around search and AI, showcase key customers and their implementations, talk about what’s coming next with your platform or even just… Read Mo...
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Charlie Hull @thesearchjuggler.bsky.social · 22/09/2026
Last Wednesday we ran a joint Meetup between London Search & AI and London Information Retrieval groups - Piotr Kobziakowski talking about vector-native faceting, Ravindra Harige on patterns from shipped migrations and Radu Gheorghe on making HNSW fast again. Watch at www.youtube.com/@thesearchju...
vespa.ai
Vespa.ai
Vespa is the AI Search Platform for fast, accurate AI search, AI agents, personalization, recommendations, and retrieval.
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Charlie Hull @thesearchjuggler.bsky.social · 01/09/2026
It's been exciting helping the Vespa team plan their first major conference- last chance to join us in London next week! Tickets are still available for one of the training sessions (Vespa 101) and the conference, and there are also two free Meetups on the evenings of the 8th & 9th. www.vespaai.live
vespaai.live
Vespa.ai Live
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Charlie Hull @thesearchjuggler.bsky.social · 28/07/2026
I was very pleased to be asked by Dmitry Kan to join his Vector Podcast at Berlin Buzzwords - covering everything from AI & search, how I work with clients why I like attending and running events, accessibility & marginalisation - it was lots of fun! Watch our chat at www.youtube.com/watch?v=m8D0...
youtube.com
Berlin Buzzwords 2026 - Charlie Hull on role of Search in AI era
YouTube video by Vector Podcast
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Charlie Hull @thesearchjuggler.bsky.social · 22/07/2026
Am I the only one who thought "Two soups" ?
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Charlie Hull @thesearchjuggler.bsky.social · 01/07/2026
Searchandizing (merchandizing by modifying search results) is a common practice in e-commerce - but what happens when it goes too far? Here's my talk from Mix Camp Ecommerce Search (MICES) in Berlin a few weeks ago featuring HIPPOs and a little bit of juggling www.youtube.com/watch?v=B9fJ...
youtube.com
How much searchandizing is too much searchandizing? - Charlie Hull - MICES 2026
YouTube video by MIx-Camp E-commerce Search
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Charlie Hull @thesearchjuggler.bsky.social · 30/06/2026
*Don't wait until after the summer!* One of the trainings is nearly full already, and conference tickets are going fast. Join us in London on 9/10 September for the very first Vespa conference featuring Walmart, Etsy, Ravenpack and search luminaries Doug Turnbull & Trey Grainger www.vespaai.live
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Charlie Hull @thesearchjuggler.bsky.social · 25/06/2026
As many of you will have seen, search engine company Elastic just laid off 7% of staff - here's some tips on what to do if affected and some thoughts on what this means for the wider search sector thesearchjuggler.com/elastic-layo...
thesearchjuggler.com
Elastic lays off 7% of staff - what to do if you're an ex-Elastician or end user - Charlie Hull - The Search Juggler
After the recent Elastic layoff what should ex-Elasticians do and what does this mean for the search market - what are the options?
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Charlie Hull @thesearchjuggler.bsky.social · 16/06/2026
Musings on agentic search from conferences vs the real world thesearchjuggler.com/is-everyone-...
thesearchjuggler.com
Is everyone really moving to Agentic Search? - Charlie Hull - The Search Juggler
Is everyone actually building agentic search? Or is it tomorrow's problem? My perspective from conferences and the real world.
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Reposted by Charlie Hull
Michael Cizmar @michaelcizmar.bsky.social · 27/05/2026
Haystack US 2026 Session Videos have been released. great sessions to learn about #AI / Search / #Agents: www.youtube.com/playlist?lis...
youtube.com
Haystack US 2026 - YouTube
Haystack US 2026 took place in Charlottesville, Virginia on the 6th and 7th of May 2026. Haystack is the conference for improving search relevance. If you’re...
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Charlie Hull @thesearchjuggler.bsky.social · 22/05/2026
Very glad to see the latest speaker announcement for Vespa AI Live in London this September: Dr. Cem Ünsal of Walmart will describe his personal search journey with Vespa starting in the early 2000s - get tickets at content.vespa.ai/vespa-live . More speakers and associated events soon.
content.vespa.ai
Vespa.ai Live
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Charlie Hull @thesearchjuggler.bsky.social · 18/05/2026
Very excited to announce the programme for Vespa AI Live this September 9-10! Talks from Etsy and Ravenpack, insights from the Vespa team, Trey Grainger, Doug Turnbull & Alessandro Benedetti. Get your tickets to join us in London or online now content.vespa.ai/vespa-live
content.vespa.ai
Vespa.ai Live
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Charlie Hull @thesearchjuggler.bsky.social · 15/05/2026
Just added a few more search & AI events to my Conference Calendar - hope to see you at some of the European events in June and later in the year at Vespa.ai Live and Search Solutions in London! thesearchjuggler.com/conferences/
vespa.ai
Vespa.ai
Vespa is the AI Search Platform for fast, accurate and large scale RAG, personalization, and recommendation.
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Charlie Hull @thesearchjuggler.bsky.social · 14/05/2026
I'll be talking at Mix Camp E-commerce Search (MICES) in Berlin on June 10th on "How much searchandizing is too much searchandizing" - when it should and should not be used, techniques to apply and how to make results explainable both internally and externally. Free tickets on sale now! www.mices.co
mices.co
MICES 2026
MICES - Mix-camp E-commerce Search in Berlin, June 2026
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Charlie Hull @thesearchjuggler.bsky.social · 13/05/2026
Effective search applications (and by extension, AI systems like RAG) are hugely dependent on *context*.This context can be complex and multidimensional - so how can we improve how we store and manipulate it? thesearchjuggler.com/search-ai-in...
thesearchjuggler.com
Search & AI in the right context - an unsolved challenge - Charlie Hull - The Search Juggler
Effective search must take account of many different contexts - and we need a better way to represent our multidimensional world
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Charlie Hull @thesearchjuggler.bsky.social · 08/05/2026
"AI is here – time to throw away our search engines?" -I'm back hosting another fun and informative panel at Berlin Buzzwords with some of the world's leading lights in search & AI - come and join us for the last session on Monday 8th! 2026.berlinbuzzwords.de/session/ai-i...
2026.berlinbuzzwords.de
AI is here – time to throw away our search engines
Why do we even need traditional search when AI can do everything? Or is it foolish to ignore simple, proven techniques for delivering great results? What's the best way to combine old and new? Join ou...
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Charlie Hull @thesearchjuggler.bsky.social · 27/04/2026
Just a quick reminder to submit your talk to the very first Vespa.ai Live conference, to be held in London on September 10th! Find the link (and how to book tickets, early bird is £99) at content.vespa.ai/vespa-live - we're looking for talks with a Vespa theme or more generally about search & AI.
vespa.ai
Vespa.ai
Vespa is the AI Search Platform for fast, accurate and large scale RAG, personalization, and recommendation.
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Charlie Hull @thesearchjuggler.bsky.social · 23/04/2026
The videos from OpenSearchCon EU 2026 are out! You can watch my Unconference talk titled "A neat trick for protecting numbers when using fuzzy search" here youtu.be/YZJBdGO0LR4?...
youtu.be
Unconference - Part 1
YouTube video by OpenSearch
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Charlie Hull @thesearchjuggler.bsky.social · 23/04/2026
Tickets are now on sale for Vespa.ai Live in London on September 10th! Featuring talks on this highly scalable open source search & AI platform used by Yahoo, Vinted & Perplexity.ai amongst others - you can also submit a talk by April 30th. Get yours at content.vespa.ai/vespa-live
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Charlie Hull @thesearchjuggler.bsky.social · 13/04/2026
In advance of OpenSearchCon EU this week I've written about using fuzzy search for typo tolerance-using Aiven's new free tier for OpenSearch for my experiments. I also show you how to protect things you don't want to be fuzzy - product numbers, sizes for example! thesearchjuggler.com/fuzzy-search...
thesearchjuggler.com
Fuzzy search for typo tolerance on a free OpenSearch cluster - Charlie Hull - The Search Juggler
Fuzzy search helps your search to be typo tolerant - here's how to do it on a free OpenSearch cluster - also, a neat trick for protecting things you don't want to be fuzzy!
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Charlie Hull @thesearchjuggler.bsky.social · 09/04/2026
I enjoyed working with Alexei Atavin and the Aiven team on this blog - it's sometimes the very simple things that break aiven.io/blog/how-a-s...
aiven.io
The Bug That Broke OpenSearch Backups: A Case Study
One space character, one broken backup. See how Aiven’s engineering team traced an OpenSearch k-NN bug to its source and implemented a lasting fix.
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Charlie Hull @thesearchjuggler.bsky.social · 08/04/2026
I'll be in Prague next week - looking forward to meeting up with old friends from OSC, Aiven & AWS OpenSearch,acting as an OpenSearch Ambassador, showing off some fun experiments I've been doing with OpenSearch & learning lots! events.linuxfoundation.org/opensearchco...
events.linuxfoundation.org
OpenSearchCon Europe | LF Events
OpenSearchCon is the annual conference uniting the OpenSearch community. Users, admins, and developers connect, solve real-world problems, and explore the future of search.
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Charlie Hull @thesearchjuggler.bsky.social · 07/04/2026
Very happy to announce we'll be bringing Vespa.ai Live to London on September 10th! I've been working with the team at Vespa to put together an awesome day of talks, discussions, networking and more. CFP open until April 30th, Vespa training the day before. content.vespa.ai/vespa-live
vespa.ai
Vespa.ai
Vespa is the AI Search Platform for fast, accurate and large scale RAG, personalization, and recommendation.
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Charlie Hull @thesearchjuggler.bsky.social · 16/03/2026
External plugins fill the gap between what search platforms provide and users actually need - I wrote about how OpenSearch & Elasticsearch adopt third party plugins & how it could be done better thesearchjuggler.com/embrace-or-r...
thesearchjuggler.com
Embrace or replace: the different ways OpenSearch & Elasticsearch adopt third party plugins - Charlie Hull - The Search Juggler
How OpenSearch and Elasticsearch work - or don't - with external plugins
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Charlie Hull @thesearchjuggler.bsky.social · 04/03/2026
Community over Code (which used to be ApacheCon) is coming to Glasgow this October - and the CFP is open until March 20th. There's a Search track so if you've got a talk that fits do submit it! communityovercode.org/call-for-pre...
communityovercode.org
Call for Presentations
The call for presentations for Community Over Code Glasgow is now open! Submit proposals by 23:59 UTC on March 20, 2026. Please do not wait until the last minute. Submit your talk proposal to this …
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Charlie Hull @thesearchjuggler.bsky.social · 27/02/2026
Want to get together with others to talk about Search & AI? Join (or start) a Search Meetup! I've created a zoomable map of over 180 events across the world, with health indicators, member numbers and locations. Let me know what I've missed! thesearchjuggler.com/the-world-of...
thesearchjuggler.com
The world of Search Meetups - Charlie Hull - The Search Juggler
I love a Search Meetup! The chance to get together in an informal setting with others enthusiastic about search engine technology, hear some talks, grab a slice of pizza and… Read More »The world of S...
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Charlie Hull @thesearchjuggler.bsky.social · 02/02/2026
Here's the talk I gave last week on how to connect Vespa.ai to Quepid, the search workbench - including how to get an example news search application stood up, BM25 ranking and how to see which parts of each search result generated scores. maven.com/p/771bd9/off...
vespa.ai
Vespa.ai
Vespa is the AI Search Platform for fast, accurate and large scale RAG, personalization, and recommendation.
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Charlie Hull @thesearchjuggler.bsky.social · 29/01/2026
Very happy to announce a partnership with www.Vespa.ai ! I've been getting to know the team there over the last year & learning more about this impressive technology.Great to add Vespa to the list of search technologies I'm able to advise clients about
vespa.ai
Vespa.ai
Vespa is the AI Search Platform for fast, accurate and large scale RAG, personalization, and recommendation.
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Charlie Hull @thesearchjuggler.bsky.social · 27/01/2026
Quick reminder that I'm giving a free class with Trey Grainger this Friday on how to get started with Vespa.ai and in particular how to use Quepid for offline testing and query debugging. I'll give a brief intro to Vespa and Quepid, show you how to spin up an example news search...[1/2]
maven.com
Offline search relevance testing with Vespa & Quepid
Vespa is a powerful and scalable open source search engine. Although Vespa provides some offline evaluation tools in Python, there isn’t an easy, interactive way to tune search queries. Quepid provide...
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Charlie Hull @thesearchjuggler.bsky.social · 22/01/2026
Join me and Trey Grainger for a Lightning Lesson about how to use Quepid with Vespa for offline search relevance testing - next Friday 30th maven.com/p/771bd9/off...
maven.com
Offline search relevance testing with Vespa & Quepid
Vespa is a powerful and scalable open source search engine. Although Vespa provides some offline evaluation tools in Python, there isn’t an easy, interactive way to tune search queries. Quepid provide...
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Charlie Hull @thesearchjuggler.bsky.social · 08/01/2026
I've successfully managed to hook the #opensource search engine Vespa up to Quepid, the offline relevance testing tool. This lets you try out search queries, rate the results manually for relevance, and adjust the query syntax to see how this affects things. thesearchjuggler.com/how-to-secur...
thesearchjuggler.com
How to securely hook up Quepid to Vespa - Charlie Hull - The Search Juggler
How to use Quepid with Vespa for offline search relevance testing using token-based authentication
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Charlie Hull @thesearchjuggler.bsky.social · 18/12/2025
A year of juggling, search & AI www.linkedin.com/pulse/year-j...
linkedin.com
A year of juggling search and AI
I've now spent just over a year working on my own since leaving OpenSource Connections - it's been a time of constant challenges and opportunities both work-related and personal. I started the year by...
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Charlie Hull @thesearchjuggler.bsky.social · 01/12/2025
You can now watch the first talk from the London Search & AI Meetup on November 11th; "Judgement Day: Rethinking Search Evaluation with Language Models" given by Max Grogan & George Sykes of Tesco youtu.be/6cQ0L87uvRA
youtu.be
London Search & AI Meetup: Judgement Day: Rethinking Search Evaluation with Language Models - Tesco
YouTube video by Charlie Hull - The Search Juggler
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Charlie Hull @thesearchjuggler.bsky.social · 25/11/2025
A great start to #LondonSearchWeek yesterday with the Search Product Manager Barcamp and London Information Retrieval Meetup - more here www.linkedin.com/posts/charli... - and more to come at www.londonsearchweek.com
linkedin.com
London Search Week | Charlie Hull
A solid start to #LondonSearchWeek yesterday, looking forward to the rest of the events! Superlinked hosted the Search Product Managers Barcamp, with Olena Gorbatiuk leading, René Kriegler introducing...
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Charlie Hull @thesearchjuggler.bsky.social · 24/11/2025
And #LondonSearchWeek begins! On the train for our first event, a BarCamp for Search Product Managers, then the London Information Retrieval Meetup tonight www.londonsearchweek.com
londonsearchweek.com
London Search Week
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Charlie Hull @thesearchjuggler.bsky.social · 21/11/2025
Really looking forward to catching up with friends & contacts old & new next week - there's still space available for some of the events of #LondonSearchWeek. I'll be in town Mon, Wed and Thur if you'd like to meet up and chat about search & AI www.londonsearchweek.com
londonsearchweek.com
London Search Week
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Charlie Hull @thesearchjuggler.bsky.social · 19/11/2025
I love a #search conference - so I built a Search Conference Calendar! I'm updating it for 2026 so do let me know if you're running an event I should feature on thesearchjuggler.com/conferences/ - there's a 'Submit it here' link which makes it easier for me.
thesearchjuggler.com
Search Conference Calendar - Charlie Hull - The Search Juggler
search conference, search event, search relevance conference, opensearch conference, solr conference, elasticsearch conference, vespa conference, RAG conference, enterprise search conference, AI-power...
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Charlie Hull @thesearchjuggler.bsky.social · 18/11/2025
The registration link is now up! londonsearchweek.com/hackday-apac... Come and learn and build with #Solr!
londonsearchweek.com
HackDay – Apache Solr Contributions – London Search Week
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Charlie Hull @thesearchjuggler.bsky.social · 17/11/2025
This time next week we'll be kicking off #LondonSearchWeek with a BarCamp for Search Product Managers - and there's many more events over the next few days! A Meetup, conference, tutorials, Agentic AI and a #Solr Hackday www.londonsearchweek.com
londonsearchweek.com
London Search Week
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Charlie Hull @thesearchjuggler.bsky.social · 14/11/2025
We've added a new event to #LondonSearchWeek - a #Solr Hackday! Come along and join committer Alessandro Benedetti to build some cool things with this powerful #opensource search engine. To be held on Fri 28th Nov, venue & registration details coming soon www.londonsearchweek.com
londonsearchweek.com
London Search Week
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Charlie Hull @thesearchjuggler.bsky.social · 12/11/2025
Can you 'fix' search by just moving to a new search platform? I don't think so... thesearchjuggler.com/why-replacin...
thesearchjuggler.com
Why replacing your search engine may not fix your search - Charlie Hull - The Search Juggler
As a search manager or search team lead, you’ll occasionally be asked to consider whether you should migrate to a new technology platform. In fact, this may come up on… Read More »Why replacing your s...
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Charlie Hull @thesearchjuggler.bsky.social · 11/11/2025
We now have all our venues and sponsors confirmed for #LondonSearchWeek! Huge thanks to Superlinked for stepping in to host the first event, a Barcamp for Search Product Managers on Monday 24th November. Reserve your spot for any of the events at www.londonsearchweek.com
londonsearchweek.com
London Search Week
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Charlie Hull @thesearchjuggler.bsky.social · 07/11/2025
"Judgement Day: Rethinking Search Evaluation with Language Models" (Max Grogan & George Sykes, Tesco) & "Query understanding with LLMs : Approaches and Optimization in OpenSearch" (Bharav Patel, AWS) plus open Q&A at Tuesday's London Search & AI Meetup www.meetup.com/search-and-a...
meetup.com
November Meetup at Tesco, Tue, Nov 11, 2025, 6:30 PM | Meetup
We're hosted this time by Tesco. The event will start at **6.30pm** and finish by 9pm, with food and drinks available. This will be an in-person event (but we will try to r
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Charlie Hull @thesearchjuggler.bsky.social · 06/11/2025
The first event of #LondonSearchWeek will be a BarCamp on Search Product Management - a chance to discuss the challenges and opportunities of this vital role. This is the 3rd in a series of events originally started by my old friend René Kriegler (who'll be attending) to...[1/2]
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Charlie Hull @thesearchjuggler.bsky.social · 04/11/2025
Need to get the "value" from search? Come and find out how at Tesco next week! www.meetup.com/search-and-a... We've also got a talk on OpenSearch on query understanding. Our last Meetup was oversubscribed and we have a smaller room this time, don't wait...
meetup.com
November Meetup at Tesco, Tue, Nov 11, 2025, 6:30 PM | Meetup
We're hosted this time by Tesco. The event will start at **6.30pm** and finish by 9pm, with food and drinks available. This will be an in-person event (but we will try to r
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Charlie Hull @thesearchjuggler.bsky.social · 03/11/2025
Are you looking forward to #LondonSearchWeek 24-27 November? We have a BarCamp for Search Product Managers, a Search Meetup, a search conference with separate tutorial day, an evening event on Agentic AI & Search - and more planned! Check it out at www.londonsearchweek.com
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Charlie Hull @thesearchjuggler.bsky.social · 29/10/2025
London Search Week - conferences, tutorials, Meetups and a Barcamp from Nov 24th. Come and learn from some of the leading voices in Search & AI, meet your peers and grow our community! www.londonsearchweek.com
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Charlie Hull @thesearchjuggler.bsky.social · 27/10/2025
Talks at next week's London Search & AI Meetup will be "Judgement Day: Rethinking Search Evaluation with Language Models" & "Query understanding with LLM : Approaches and Optimization in OpenSearch" www.meetup.com/search-and-a... - see you there!
meetup.com
November Meetup at Tesco, Tue, Nov 11, 2025, 6:30 PM | Meetup
We're hosted this time by Tesco. The event will start at **6.30pm** and finish by 9pm, with food and drinks available. This will be an in-person event (but we will try to r
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Charlie Hull @thesearchjuggler.bsky.social · 22/10/2025
It's your responsibility - but how do you even get started fixing search? A blog for Search Product Managers and other search leads thesearchjuggler.com/its-your-res...
thesearchjuggler.com
It's your responsibility - but how do you even start fixing search? - Charlie Hull - The Search Juggler
How to get started fixing search - looking for zero result searches, low click queries and how to prioritise
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Charlie Hull @thesearchjuggler.bsky.social · 22/10/2025
Come and get the 'Value' of networking with your peers! Our next London Search & AI Meetup will be held at Tesco on November 11th www.meetup.com/search-and-a...
meetup.com
November Meetup at Tesco, Tue, Nov 11, 2025, 6:30 PM | Meetup
We're hosted this time by Tesco The event will start at **6.30pm** and finish by 9pm, with food and drinks available. This will be an in-person event (but we will try to re
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