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Category: Civil Engineering

Open Sourcing Screwdriver, Yahoo’s Continuous…

By James Collins, Sr. Director, Developer Platforms and Services, and St. John Johnson, Principal Engineer Continuous Delivery enables software development teams to move faster and adapt to users’ needs quicker by reducing the inherent friction associated with releasing software changes. Yahoo’s engineering has modernized as it has embraced Continuous Delivery as a strategy for improving product quality and engineering agility. All our active products deliver from commit to production with full automation and this has greatly improved Yahoo’s ability to…

Presenting an Open Source Toolkit for Lightweight…

By Aasish Pappu, Roi Blanco, and Amanda Stent What’s the first thing you want to know about any kind of text document (like a Yahoo News or Yahoo Sports article)? What it’s about, of course! That means you want to know something about the people, organizations, and locations that are mentioned in the document. Systems that automatically surface this information are called named entity recognition and linking systems. These are one of the most useful components in text analytics as…

Shhhhh… I have a secret… – Kickstarter Engineering

As Kickstarter moves from a monolithic application towards a service oriented architecture, we needed to develop a fast and secure way for a service to programmatically retrieve API tokens, passwords, keys, etc. We are currently managing our containers using Amazon’s ECS (Elastic Container Service), which we like for its seamless scalability of Docker containers, and really wanted to secure the application’s access to sensitive information. We looked at a few tools and even built some ourselves, but we were instantly…

Etsy’s Debriefing Facilitation Guide for Blameless Postmortems

In 2012, I wrote a post for the Code As Craft blog about how we approach learning from accidents and mistakes at Etsy. I wrote about the perspectives and concepts behind what is known (in the world of Systems Safety and Human Factors) as the New View on “human error.” I also wrote about what it means for an organization to take a different approach, philosophically, to learn from accidents, and that Etsy was such an organization. That post’s purpose…

API First Transformation at Etsy – Human aspects & developer adoption

This is the third post in a series of three about Etsy’s API, the abstract interface to our logic and data.In the last posts we covered how we built a new API framework, and we clearly identified the gains in terms of performance and shared abstraction layer between languages and devices. But how did we make an entire engineering organization switch to the new framework? How did we achieve the cultural transformation to API first? How do we avoid this…

Building a Better Mobile Crash Analytics Platform

‘Crashcan’ (think trashcan, but for crashes) is Etsy’s internal application for mobile crash analytics. We use an external partner to collect and store crash and exception data from our mobile apps, which we then ingest via their API. Crashcan is a single-page web app that refines and better exposes the crash data we receive from our external partner. Crashcan gives us extra analysis of our crashes on top of what our partner offers. We can make less cautious assumptions about…

How NPR Transcribes and Fact-Checks the Debates, Live – Features

For the presidential debate season, NPR is providing live transcripts of the debate with embedded fact checks and annotations throughout each debate night. Coordinating the workflow between live transcriptions, live fact-checking, and a live-updating page inside of our CMS was no small undertaking, resulting in what may have been our team’s most complicated technical architecture yet. I’m here to tell you all about it! Team Structure and Workflow On the Visuals Team, this project has combined our talents in a way we…

Open Sourcing a Deep Learning Solution for…

By Jay Mahadeokar and Gerry Pesavento Automatically identifying that an image is not suitable/safe for work (NSFW), including offensive and adult images, is an important problem which researchers have been trying to tackle for decades. Since images and user-generated content dominate the Internet today, filtering NSFW images becomes an essential component of Web and mobile applications. With the evolution of computer vision, improved training data, and deep learning algorithms, computers are now able to automatically classify NSFW image content with…

Personalized Group Recommendations on Flickr

There are two primary paradigms for the discovery of digital content. First is the search paradigm, in which the user is actively looking for specific content using search terms and filters (e.g., Google web search, Flickr image search, Yelp restaurant search, etc.). Second is a passive approach, in which the user browses content presented to them (e.g., NYTimes news, Flickr Explore, and Twitter trending topics). Personalization benefits both approaches by providing relevant content that is tailored to users’ tastes (e.g.,…

Omid’s First Step in the Apache Community

By Francisco Perez-Sorrosal, Ohad Shacham, Kostas Tsioutsiouliklis, and Edward Bortnikov We are proud to announce that Omid (“Hope” in Persian), Yahoo’s transaction manager for HBase [1][2], has been accepted as an Apache Incubator project. Yahoo has been a long-time contributor to the Apache community in the Hadoop ecosystem, including HBase, YARN, Storm, and Pig. Our acceptance as an Apache Incubator project is another step forward following the success of ZooKeeper [3] and BookKeeper [4], which were born at Yahoo and…