Haystack Europe 2018, a brief retrospective

It's been a couple of weeks now since the first Haystack search relevance conference in Europe, which we ran with our partners Open Source Connections (OSC). Just under a hundred people came to the Friends' House in Euston for a day of talks covering both the business and technical aspects of relevance engineering. Doug Turnbull of OSC started the day by introducing what would be a major theme of the conference, Learning to Rank, and how Bloomberg had used and benefited from open sourcing their ...Continue reading

Lucene Solr London: Search Quality Testing and Search Procurement

Mimecast were our kind hosts for the latest London Lucene/Solr Meetup (and even provided goodie bags). It's worth repeating that we couldn't run these events without the help of sponsors and hosts and we're always very grateful (and keep those offers coming!). First up was Andrea Gazzarini presenting a brand new framework for search quality testing. Designed for offline m...Continue reading

London Lucene/Solr Meetup – Relevance tuning for Elsevier’s Datasearch & harvesting data from PDFs

Elsevier were our kind hosts for the latest London Lucene/Solr Meetup and also provided the first speaker, Peter Cotroneo. Peter spoke about their DataSearch project, a search engine for scientific data. After describing how most other data search engines only index and rank results using metadata,...Continue reading

Haystack, the search relevance conference – day 2

Two weeks ago I attended the Haystack relevance conference – I’ve already written about my overall impressions and on the first day's talks but the following are some more notes on the conference sessions. Note that some of the presentations I attended have already been covered in detail...Continue reading

Haystack, the search relevance conference – day 1

Last week I attended the Haystack relevance conference - I've already written about my overall impressions but the following are some more notes on the conference sessions. Note that some of the presentations I attended have already been covered in detail by Sujit Pal's excellent ...Continue reading

How to build a search relevance team

We've spent a lot of time working with clients who recognise that their search engine isn't delivering relevant results to users. Often this is seen as solely a technical problem, which can be resolved simply by changing query parameters or the search engine configuration - but technical teams need clear direction on why a result should or should not appear at a certain position, not just request for general relevance improvements. It's thus important to consider relevance as...Continue reading