Subredis – Keyspaces in Redis
We’ve been using Redis extensively for Quepid, our search relevancy collaboration canvas. Redis is a convenient and efficient way to interact with in-memory data structures. In fact, we’ve been…
Codd’s Relational Vision – Has NoSQL come full circle?
Recently, I spoke at NoSQL Matters in Barcelona about database history. As somebody with a history background, I was pretty excited to dig into the past, beyond the hype…
Quick Start with Neo4J using YOUR Twitter Data
When learning a new technology its best to have a toy problem in mind so that youre not just reimplementing another glorified “Hello World” project. Also, if you need…
Parameterizing and Organizing Solr Boosts
One of my clients has some pretty heavy-duty requirements for boosting functions. Its actually right on the boundary of what I think is appropriate for Solr. BUT, while I…
Using Cassandra to Build a Naive Bayes Classifier of Users Based Upon Behavior
In our last post, we found out how simple it is to use Cassandra to estimate ad conversion. Its easy, because effectively all you have to do is accumulate…
Estimating Ad Conversion Rates using Cassandra
Dont let anybody fool you; a good bit of what a data scientist does is a glorified form of counting. And if you had a few billion fingers, you…
Why is Multi-term synonym mapping so hard in Solr?
There is a very common need for multi-term synonyms. Weve actually run across several use cases among our recent clients. Consider the following examples: Ecommerce: If a customer searches…
Search Quality is about effective Collaboration*
*and Effective Collaboration is about Testing Sales expert not happy about the quality of her search. Shed like a better way to collaborate than yelling at the search devs….
Easy k-NN Document Classification with Solr and Python
Youve got a problem: You have 1 buzzillion documents that must all be classified. Naturally, tagging them by hand is completely infeasible. However you are fortunate enough to have…
Classifying Non-Patent Literature to Aid in Prior Art Searches
Before a patent can be granted, it must be proven beyond a reasonable doubt that the innovation outlined by the patent application is indeed novel. Similarly, when defending ones…
Prototype Angular UIs Without A Backend
So youve got an AngularJS UI built out, but youll need a fleshed-out backend before being able to really take it for a test drive, right? Actually, it turns…
Four reasons we’re really excited about FoundationDB
As you might have heard, FoundationDB became publicly available this week. As we’ve discussed in the past, we’re very excited here at OpenSource Connections about this emerging database. After…