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Migrating Apache Solr to Elasticsearch

Migrating Apache Solr to Elasticsearch

Elasticsearch is the innovative and advanced open source distributed search engine, based on Apache Lucene. Over the past several years, at Trifork we have been doing a lot of search implementations. Driven by the fact that every other customer wanted the ‘Google-experience’ (just a text box, type some text and get relevant results) as part […]

Enterprise search with Solr and Elasticsearch @ Hippo Meetup

At a recent Hippo meetup I gave a presentation about enterprise search. Being able to index and search your content, both in the Hippo CMS and in other sources, is of interest to many Hippo users. The presentation does not go into any Hippo specifics, but provides a brief introduction to search, Apache Lucene and […]

How to write an elasticsearch river plugin

How to write an elasticsearch river plugin

Up until now I told you why I think elasticsearch is so cool and how you can use it combined with Spring. It’s now time to get to something a little more technical. For example, once you have a search engine running you need to index data; when it comes to indexing data you usually […]

University of Amsterdam website goes live

University of Amsterdam website goes live

Congratulations to our client the University of Amsterdam who today launched their new website. With a new look & feel and a complete update of all the existing content it’s a showcase of how educational institutions can really provide relevant information to varied target audiences. The site built by us, Orange11, with the use of Hippo CMS now makes it […]

Summer time…

Summer time…

For those you may have missed our newsletter last week I’d like to take this opportunity to give you a quick lowdown of what we’ve been up to. The summer months have been far from quiet and I’m pretty excited to share in this month’s edition lots of news on projects, products & upcoming events. […]

There’s More Lucene in Solr than You Think!

We’ve been providing Lucene & Solr consultancy and training services for quite a few years now and it’s always interesting to see how these two technologies are perceived by different companies and their technical people. More precisely, I find it interesting how little Solr users know about Lucene and more so, how unaware they are […]

Faceting & result grouping

Result grouping and faceting are in essence two different search features. Faceting counts the number of hits for specific field values matching the current query. Result grouping groups documents together with a common property and places these documents under a group. These groups are used as the hits in the search result. Usually result grouping […]

Different ways to make auto suggestions with Solr

Different ways to make auto suggestions with Solr

Nowadays almost every website has a full text search box as well as the auto suggestion feature in order to help users to find what they are looking for, by typing the least possible number of characters possible. The example below shows what this feature looks like in Google. It progressively suggests how to complete […]

Simon says: Single Byte Norms are Dead!

Apache Lucene turned 10 last year with a limitation that bugged many many users from day one. You may know Lucene’s core scoring model is based on TF/IDF (Vector Space Model). Lucene encapsulates all related calculations in a class called Similarity. Among pure TF/IDF factors Similarity also provides a norm value per document that is, […]