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Category: Construction Engineering

Engineering Ethics Blog: The Climate Change Report: Danger or Opportunity?

Last Friday, a day when many Americans are thinking of shopping rather than climate change, the Fourth National Climate Assessment was released by the U. S. government.  A massive 1600-page document, it reportedly goes into great detail about how projected increases in average temperatures are going to affect the U. S., especially the economy.  I have read only the twelve summary statements at the beginning of the report, but those are pessimistic enough.  Floods, storms, and rising temperatures will threaten…

Computer scientists use artificial intelligence to boost an earthquake physics simulator

Various layers of the earth plus buildings on top of and within them behave differently during an earthquake. Interactions between these layers expound complexity of earthquake models. Credit: 2018 Earthquake Research Institute, The University of Tokyo. A team of researchers from the Earthquake Research Institute, Department of Civil Engineering and Information Technology Center at the University of Tokyo, and the RIKEN Center for Computational Science and RIKEN Center for Advanced Intelligence Project in Japan were finalists for the coveted Gordon…

China opens luxury hotel in quarry

The swanky hotel is part of a huge project that includes a theme park A hotel development sunk into a disused quarry in China opened its doors Thursday to deep-pocketed clientele. Preventing the 88-metre-deep (290 feet) pit from flooding was among the chief challenges for engineers working on the swanky 336-room InterContinental Shanghai Wonderland—part of a $288 million development that also includes a theme park. The hotel, which is one of a growing number of bold architectural designs springing…

Transport: Towards Logical Independence Using Translatable Portable UDFs

In a recent blog post, we touched upon Dali’s new architecture, which is designed to make data and logic seamlessly accessible and shareable across LinkedIn’s diverse environments. Dali achieves this vision by adopting the principles of physical and logical independence. Physical independence refers to enabling users to transparently access data regardless of its physical location, storage format, partitioning strategy, or even sharding strategy across multiple clusters. Logical independence refers to making Dali user-defined logic available in any engine or data…

NVIDIA: Accelerating Deep Learning with Uber’s Horovod

By Molly Vorwerck NVIDIA, inventor of the GPU, creates solutions for building and training AI-enabled systems. In addition to providing hardware and software for much of the industry’s AI research, NVIDIA is building an AI computing platform for developers of self-driving vehicles. With over 370 automotive companies among their self-driving partners, NVIDIA has established itself as the industry leader in creating systems for sensing, perceiving, mapping, and driving this next generation of driverless transportation. The AI perception models need to…

Druid @ Airbnb Data Platform – Airbnb Engineering & Data Science – Medium

Realtime and batch analytics at Airbnb and the role Druid plays in our analytics system architecture By Pala Muthiah and Jinyang Li Airbnb serves millions of guests and hosts in our community. Every second, their activities on Airbnb.com, such as searching, booking, and messaging, generate a huge amount of data we anonymize and use to improve the community’s experience on our platform. The Data Platform Team at Airbnb strives to leverage this data to improve our customers’ experiences and optimize…

Data @Scale Boston recap and videos

Recently, we hosted Data @Scale, an invitation-only technical conference for engineers working on large-scale storage systems and analytics. Facebook’s Seth Silverman, engineering manager, and Laney Zamore, software engineer, kicked things off at the State Room in downtown Boston. The event brought together engineering leaders from Akamai, Datadog, DataXu, Facebook, Google, HubSpot, InfluxData, OM1, Starburst, TCB Analytics, and Wayfair to discuss the challenges associated with building and operating data systems that serve millions or even billions of people. More than 300…

The new face of South American people — ScienceDaily

The history of the peopling of the Americas has just been interpreted afresh. The largest and most comprehensive study ever conducted on the basis of fossil DNA extracted from ancient human remains found on the continent has confirmed the existence of a single ancestral population for all Amerindian ethnic groups, past and present. Over 17,000 years ago this original contingent crossed the Bering Strait from Siberia to Alaska and began peopling the New World. Fossil DNA shows an affinity between…

Conquering the First Mile in Transportation Engineering with the driveWay App – Wayfair Tech Blog

When people think of Wayfair, they often think of the slick website, catchy TV ads, and personable customer service. They also obviously think of furniture. What they don’t think about, however, is how that furniture gets to the customer. Many people don’t realize that UPS and FedEx won’t bring a dresser or a dining table to their house. They also don’t realize that Wayfair actually maintains and operates a massive supply chain network of carriers, warehouses, and delivery agents that…

Rebuilding the Groups Experience on LinkedIn

Groups backend As illustrated in the diagram above, the Groups team previously built and maintained its own data stores, services, platforms, and code for all Groups functionality across pillars. Now, by integrating with other platforms on LinkedIn, the team only manages Groups-specific business logic within those platforms. This reduces our operational costs while allowing us to benefit from the evolution of those platforms. Better separation of concernsWith this architecture, we were able to reduce the number of services owned by…