Just the facts with Solr & Luwak

It won't have escaped your notice that factchecking is very much in the news recently due to last year's political upheavals in both the US and UK and the suspected influence of fake news on voters. Both traditional and social media organisations are making efforts in this area; examples include Channel 4 and Faceboo...
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Helping Bloomberg build a real-time news search engine with Luwak

Bloomberg is one of the world's leading providers of financial news via the Bloomberg Terminal, an almost ubiquitous presence on the desks of finance professionals. As you might expect their systems heavily depend on effective search and over the last few years they have become increasingly involved in the open source community, sponsoring events such as Lucene Revolution and also he...
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Luwak 1.3.0 released

The latest version of Luwak, our open-source streaming query engine, has been released on the Sonatype Nexus repository and will be making its way to Maven Central in the next few hours.  Here's a summary of the new features and improvements we've made: Batch processing I...
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Elasticsearch Percolator & Luwak: a performance comparison of streamed search implementations

Most search applications work by indexing a relatively stable collection of documents and then allowing users to perform ad-hoc searches to retrieve relevant documents. However, in some cases it is useful to turn this model on its head, and match individual documents against a collection of saved queries. I shall refer to this model as "streamed search". One example of streamed search is in media monitoring. The monitoring agency's ...
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Introducing Luwak, a library for high-performance stored queries

A few weeks ago we spoke in Dublin at Lucene Revolution 2013 on our work in the media monitoring sector for various clients including Gorkana and Australian Associated Press. These organisations handle a huge number (sometimes hundreds of thousands) of news articles every day ...
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Worth the wait – Apache Kafka hits 1.0 release

We've known about Apache Kafka for several years now - we first encountered it when we developed a prototype streaming Boolean search engine for media monitoring with our own library Luwak. Kafka is a distributed streaming platform with some simple but powerful concepts - everything it deals with is a stream ...
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Elastic London Meetup: Rightmove & Signal Media and a new free security plugin for Elasticsearch

I finally made it to a London Elastic Meetup again after missing a few of the recent events: this time Rightmove were the hosts and the first speakers. They described how they had used Elasticsearch Percolator to run 3.5 million stored searches on new property listings as part of an overall migration from the Exalead search engine and Oracle database to a new stack bas...
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ECIR 2017 Industry Day, our book & a demo of live TV factchecking

I visited Aberdeen before Easter to speak at Industry Day, a part of the European Conference on Information Retrieval. Following a reception at Aberdeen's Town House (a wonderful building) hosted by the Lord Provost I spent an evening with various information retrieval luminaries including Professor Udo Kruschwitz of the University of Essex. We had a chance to discuss the book we're co-authoring (draft title 'Searching the Enterprise', designed as a review of t...
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A fabulous FactHack for Full Fact

Last week we ran a hackday for Full Fact, hosted by Facebook in their London office. We had planned to gather a room full of search experts from our London Lucene/Solr Meetup and around twenty people attended from a range of companies including Bloomberg, Alfresc...
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