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Category: Construction Engineering

Introducing Harmonia: Context-Aware Product Recommendation From Room Images

Introduction When looking for a new piece of furniture to add to a room, customers generally consider two major points: the visual appearance of the new item, and its harmony with the existing furniture inside the room. Together, these two considerations define a customer’s style preferences. Wayfair’s vast product catalog offers our customers plenty of options so that they can find the perfect item; but, sifting through millions of products individually would be a very time consuming process.  So, in…

A Multitask Text Embedding System in Pinterest

Jinfeng Zhuang | Software Engineer, Content & Discovery Word embeddings have been actively studied and developed by researchers and practitioners in the machine learning community since the neural network language model was proposed. Researchers not only proposed principled algorithms and open-source code, but they also released pre-trained embedding models with public data corpora like Wikipedia, Twitter, or Google news. It is known that high-quality word representation usually contributes most to text classification or other general tasks. In Pinterest, textual data…

Mission to Jupiter’s icy moon confirmed — ScienceDaily

An icy ocean world in our solar system that could tell us more about the potential for life on other worlds is coming into focus with confirmation of the Europa Clipper mission’s next phase. The decision allows the mission to progress to completion of final design, followed by the construction and testing of the entire spacecraft and science payload. “We are all excited about the decision that moves the Europa Clipper mission one key step closer to unlocking the mysteries…

Building the New Uber Freight App as Lists of Modular, Reusable Components

As Uber Freight marked its second anniversary, we went back to the drawing board to redesign its app. The original carrier app was successful for owner-operators with one or two drivers, but it wasn’t optimized for larger fleets—feedback we were hearing directly from our carrier base. It let carriers find and move freight from point A to point B, but did not support multi-stop loads with multiple pick-ups and drop-offs. On the engineering side, our team was growing in size.…

Building a universal search system for Pinterest – Pinterest Engineering

Zhongxian Chen | Pinterest Tech Lead, Search On Pinterest, the best answer goes beyond text, but can even go beyond an image too. When you’re looking for eye makeup ideas for example, a video personalized to your skin tone range teaching you how to create a certain look is likely more useful than a Pin showing what the end result looks like. If you’re sprucing up your backyard and looking for lighting ideas, an expert on backyard lighting to follow…

Network functions at Cloudflare scale

Today we announced Cloudflare Magic Transit, which makes Cloudflare’s network available to any IP traffic on the Internet. Up until now, Cloudflare has primarily operated proxy services: our servers terminate HTTP, TCP, and UDP sessions with Internet users and pass that data through new sessions they create with origin servers. With Magic Transit, we are now also operating at the IP layer: in addition to terminating sessions, our servers are applying a suite of network functions (DoS mitigation, firewalling, routing,…

Introducing Pinqueue3.0, Pinterest’s next-gen content moderation platform

By James Man | Trust & Safety Engineering In 2016, we reached a milestone of launching Pinqueue2.0, which has since become the go-to content moderation tool for the engineering, community, and data science teams. One of our top priorities at Pinterest is fostering a safe and trustworthy experience for all Pinners. As Pinterest’s user base and ads business grow, the review volume has been increasing exponentially, and more content types require moderation support. To solve greater engineering and operational challenges…

Performance @Scale 2019 recap – Facebook Code

Developing apps and services that scale to millions or billions of people can present uniquely complex performance challenges. Optimizing infrastructure, scaling web services, and developing fast mobile apps are all part of the job to keep large-scale systems performant. At this year’s event, attendees gathered to hear speakers from Facebook, Google, NVIDIA, and other companies discuss innovative solutions for large-scale systems. If you missed the event, you can view recordings of the presentations below. If you are interested in future…

Performance @Scale 2019 recap – Facebook Engineering

Developing apps and services that scale to millions or billions of people can present uniquely complex performance challenges. Optimizing infrastructure, scaling web services, and developing fast mobile apps are all part of the job to keep large-scale systems performant. At this year’s event, attendees gathered to hear speakers from Facebook, Google, NVIDIA, and other companies discuss innovative solutions for large-scale systems. If you missed the event, you can view recordings of the presentations below. If you are interested in future…

Unifying visual embeddings for visual search at Pinterest

Andrew Zhai | Pinterest Tech Lead, Visual Search Throughout the years, Pinterest has launched a variety of visual search products powered by computer vision to help people discover new ideas to try and products to buy. We started in 2015 with our visual cropping tool, allowing users to search within a Pin’s image (for example a lamp in a larger living room scene) and browse visually-similar content on Pinterest. In 2017, we launched Lens camera search, opening up Pinterest’s visual…