Seeking Map-Side Join

At LiveRamp, many of our hadoop workflows join two datasets together (more datasets are supported but for the sake of simplicity the blog will cover the case of two datasets). In order to join two datasets efficiently, both have to be sorted, which happens in the Shuffle phase of MapReduce…

Computing Distributions of Large Datasets with Cascading and the q-digest Algorithm

Distributions are a powerful tool for understanding datasets. As an example, imagine that you’re interested in quantifying user engagement for a new app you’re developing. To this end you…

A review of Backbone.js Patterns and Best Practices

“Philosophically, Backbone is an attempt to discover the minimal set of data-structuring (models and collections) and user interface (views and URLs) primitives that are generally useful when building web applications with JavaScript.”

Transitive Elimination

At LiveRamp, we maintain a large identity graph that groups identifiers such as hashed emails into connected components where each component represents all of the identifiers that correspond to a single person and the ID for that person.

BANG (Big AnoNymous Graph)

Background

LiveRamp’s core products rely on procuring and processing links among diverse identifiers that relate to the same person. We make a strong distinction between PII (Personally Identifiable Information — anything which could trace back to a…

Engineering Intern Spotlight: Alex Harelick, Summer 2015

If you’re anything like I was, your visit to this website is the first time you’ve heard of LiveRamp. Maybe you’ve looked through a couple blog posts and are still confused as to what we actually do here. Fair enough, but I’m going…

Hackweek XXXII Recap

Every ten weeks, LiveRampers spend a week working on projects of their choice. These projects may focus on things they are particularly passionate about, things they think will be particularly valuable, or aspects of the company they would like to learn more about. During these Hackweeks…

What does it take to be a LiveRamper?

Take a step into our office — you’ll find someone riding a razor scooter from the kitchen to their desk, a couple of people playing Settlers of Catan, and a few employees chatting in the kitchen about how much they are looking forward to our upcoming company…

Engineering Intern Spotlight: Zsika Phillip, Summer 2015

Working at LiveRamp has been an absolutely incredible experience. The team is extremely friendly and helpful from the very first day (received a welcome card signed by my entire team!). One of my most enjoyable experiences at…