Bloomberg kindly hosted the London Lucene/Solr Meetup last night and we were lucky enough to have two excellent speakers for the thirty or so attendees. René Kriegler kicked off with a talk about the Continue reading
Last week I spoke at the Big Data London conference, a very busy event with several thousand people attending. My session was on using open source search to make sense of Big Data - you can get slides here.
In the evening we ran another Continue reading
We're always keen to get more people involved in the Lucene search community - there's always lots to do, from deep hacking of the core code, to testing with different frameworks and clients, to creating documentation and examples. It's also just over fifteen years since Tom Mortimer and I founded Flax and we thought we should mark this birthday with some kind of event! So I'm thus very happy to announce we'll be involved in three Lucene hackday events over the next two months:
Firstly, Continue reading
During a recent client visit we encountered a common problem in search - over-application of 'boosts', which can be used to weight the influence of matches in one particular field. For example, you might sensibly use this to make results that match a query on their title field come higher in search results. However in this case we saw huge boost values used (numbers in the hundreds) which were probably swamping everything else - and it wasn't at all clear where the values had come from, be it ex...Continue reading
Over the years we've dealt with quite a few migration projects where the query syntax of the client's existing search engine must be preserved. This might be because other systems (or users) depend on it, or a large number of stored expressions exist and it is difficult or uneconomic to translate them all by hand. Our usual approach is to write a query parser, which understands the current syntax but creates a Continue reading
As any regular reader of this blog will be aware, we use almost exclusively open source software on customer projects. To meet their requirements, we often have to extend the functionality of the software (e.g. XJOIN in Solr). As far as possible, with the agreement of the customer, we like to then contribute these changes b...Continue reading