Test Driving Elasticsearch Learning to Rank with a Linear Model
This blog post let's the simple model we derived in a previous post and make it usable via the Elasticsearch Learning to Rank plugin.
Learning to Rank 101 -- Linear Models
Many search nerds get an instinct they want to 'learn the right boosts' to apply to their queries. This blog post covers how to do that using a linear learning to rank model
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Elastic DC Meetup
Doug will highlight the Elasticsearch Learning to Rank plugin OSC has developed. Jason Kowalewski will discuss use cases related to personalized job search & recs.
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Future of Data Philly Meetup
Doug will be speaking about 'Elasticsearch as a General Purpose Recommendation System' including highlighting Elastic Graph's capabilities to support a real-time recommendation system.
podcast
Trey Grainger Chats about Solr and Lucene Revolution Part. 2
Trey talks about what is new and upcoming in Solr
What is Learning To Rank?
We walk through Learning to Rank, which uses machine learning to improve the relevance of search results.
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Elastic{On}
Doug will be attending ElasticOn and sharing OSC's new Elasticsearch Learning to Rank Plugin with the conference attendees.
Solr UTF-8 Character Handling
This article investigates Solr support for non-ASCII utf-8 characters.
We're Bringing Learning to Rank to Elasticsearch
Announcing the Elasticsearch Learning to Rank Plugin: Bringing machine learning into Elasticsearch to improve search relevance.
The Conferences We Went to in 2016
During our Annual Retreat, we looked back at the conferences that we spoke at. I wanted to share ;-)
podcast
Trey Grainger Chats about Solr and Lucene Revolution Part. 1
Trey is SVP of Engineering at Lucidworks and the co-author of Solr in Action
Our Solution to Solr Multiterm Synonyms: The Match Query Parser
You have probably heard us talk about Solr Multiterm Synonyms a lot. This article demonstrates a technique that solves the problem, with fewer performance and relevance issues than other approaches we've used.
OpenBadges: Currently dragging me through the trough of disillusionment
I try not to get sucked in by hype, but OpenBadges managed to do just that, and has left me in the trough of disillusionment. However, maybe a light at the end of the tunnel?
Patterns for Elasticsearch Synonyms: Taxonomies and Managed Vocabularies
How to build semantic search using curated taxonomies and managed vocabularies
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DC Data Wranglers - It’s a Balloon! A Blimp! No, a Dirigible! Apache Zeppelin: Query Solr via Spark
Eric will be sharing some experiences making Solr part of a larger data ecosystem through using Apache Spark and Apache Zeppelin.
Patterns for Synonyms in Elasticsearch: Keyphrases
In this article I want to begin to discuss patterns that I've found useful when managing Solr/Elasticsearch synonyms.
Traditional Retail: Stop Whining, Start Reverse Showrooming
Today I want to talk about one strategy traditional retailers can use: reverse showrooming. What do I mean by reverse showrooming? Basically that retailers take advantage of my materialistic lust to have an item *right fricken now* while I'm sitting at home.
First Impressions of Apache NiFi
Moving data around. It's always a pain. Is NiFi the better mousetrap for this?
BM25F in Lucene with BlendedTermQuery
As part of the London hack days Diego Ceccarelli started a BM25F implementation. I began to continue it at Lucene Revolution's Lucene hackathon. I realized though that when you break down the problem, BM25F can be implemented using existing Lucene bits, including the existing BM25Similarity and the BlendedTermQuery.
Building Recommendation Systems with Elastic Graph
Graph + Search means easy to implement recommendations. Check out what we've done with the Elasticsearch graph plugin.
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A One/Two punch of speakers on Testing and Relevancy
Doug Turnbull (OpenSource Connections), ‘Test Driven Relevancy -- How to Work with Content Experts to Optimize and Maintain Search Relevancy’ (Doug will join us via video) René Kriegler (Freelance Search Consultant), ‘Managing Search Relevancy in Solr using the Querqy open source library’.
podcast
Search as a Recommendor System
What's new in ES and Solr; Doug goes into more detail on using search engines as recommendor systems.
Expanding data from a frequency table into case form in R and STATA
Sometimes you need to convert from case tables to frequency tables. Here is how I did it with R.
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beCamp!
If you're a geek in or around the Charlottesville metroplex or even if you're merely tech-curious, this is the event you don't want to miss. beCamp is Charlottesville's version of the BarCamp unconference phenomenon: organized on the fly by attendees, for attendees.
Why I think search engines are the future of recommendation systems
There's a trend away from recommendation systems being the domain of wealthy organizations. Increasingly, I see a shift towards search engines like Solr or Elasticsearch for implementing recommendation systems
High-Quality Recommendation Systems with Elasticsearch
Let's explore how to deliver great recommendations with Elasticsearch. In this article, we dive into an aggregrations based method for Elasticsearch recommendations. We attempt to understand the mechanics and assumptions of the underlying JLH scoring method.
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Cassandra Summit
Eric will be giving a short talk on how to break the Cassandra data modeling strait jacket with DSE Search
Your Recommendation Systems Aren't As Cool As My Friends
Users listen to their friends, not your recommendation system. Is there a way to reimagine recommendation systems around social influence?
podcast
How to Practice Search Relevancy
How to build a search practice with Doug Turnbull, Matt Overstreet and Scott Stultz. Doug released a companion to relevant search about how to actually practice good search. We discuss it.
Content expert's guide to diagnosing site search relevance problems
In this series of articles, I want to give you, the content person, a very practical and straight-forward guide to managing site search. We'll start by discussing diagnosis -- how to find problems. We'll use a simple, free analytics tool (google analytics). We'll make a few naive assumptions about these analytics that act as a good starting point.
Search for Lunch: this search expert will come speak for free at your company's lunch and learn
The problem with lunch and learns is that everyone's busy! It's challenging to find enough time to put together a good presentation to the group. Luckily Doug is here!
Learning the shape of my data. Working with the AACT data.
I'm working with two data sets (AACT and SEER) and finally seeing the challenges in how the data is laid out versus how I thought it would be!
Guide to Making Search Relevance Investments, free ebook
We're happy to announce today we're releasing our OpenSource Connection's official search relevance methodology. It lays out a framework for incrementally implementing and evaluating relevance against what matters to your business
podcast
Relevant Search Book With Doug Turnbull and John Berryman
A conversation with Doug Turnbull and John Berryman, authors of Relevant Search from Manning Publications about: The future for search What it’s like to write a techinical book, an how they got started doing it What is different about their book compared to what has been written before, including some book recomendations Search problems they wish they could solve If you’ve listened to this podcast before you are know Doug, the search relevancy lead at OpenSource Connections. John Berryman is an OpenSource Collections Alumni who works on the search and discovery team at EventBrite Relavant Search is available now from Manning Publications “Relevant Search demystifies relevance work. Using Elasticsearch, it teaches you how to return engaging search results to your users, helping you understand and leverage the internals of Lucene-based search engines”
Deploying AACT Oracle Dump File into the Cloud with Docker
ClinicalTrials.gov is a wealth of information. But the only database format they support is an Oracle dmp file. Follow along as I help our data science intern answer hard questions about ethnic diversity in clinical trials by deploying Oracle using Docker Cloud.
Top 7 Mistakes Organizations Make With Search
After much sweat and tears our book Relevant Search is out! Relevant Search reflects the wisdom we've acquired over the years helping many clients improve search. I thought it would be an appropriate time to recap where many organizations get stuck with search
I'm Samia, and I'm analyzing racial, gender, and ethnic representation in cancer clinical trials.
My name is Samia, and I am a DataStart intern for the next couple of months. My project is an analysis of racial, gender, and ethnic representation on cancer clinical trials conducted between 2002 and 2012. I will be learning to use data management tools to get a basic handle on my data before I can begin my analysis.
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