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The Department of Energy announced that its Oak Ridge Office of Environmental Management (OREM) is moving ahead with a slate of projects this year that will alter the Tennessee site’s skyline, remove ...
Efficient Secure Ridge Regression from Randomized Gaussian Elimination
multiparty computation privacy-preserving machine learning secure ridge regression
2019/7/8
In this paper we present a practical protocol for secure ridge regression. We develop the necessary secure linear algebra tools, using only basic arithmetic over prime fields. In particular, we will s...
Privacy-Preserving Ridge Regression over Distributed Data from LHE
LHE real-world datasets
2017/10/10
Linear regression with 2-norm regularization (i.e., ridge regression) is an important statistical technique that models the relationship between some explanatory values and an outcome value using a li...
Ridge regression is an algorithm that takes as input a large number of data points and finds the best-fit linear curve through these points. It is a building block for many machine-learning operations...
Privacy-Preserving Ridge Regression on Distributed Data
linear regression distributed data privacy-preserving system
2017/7/26
Linear regression is an important statistical tool that models the relationship between some explanatory values and an outcome value using a linear function. In many current applications (e.g. predict...
Meteor induced ridge and trough formation and the structuring of the nighttime E-region ionosphere
Meteor induced ridge trough formation
2017/3/22
When meteor-generated plasma trails diffuse into the
ionosphere they create large ambipolar electric fields
mainly perpendicular to the Earth’s geomagnetic field
(B) and extending many kilometers f...
Rise of the 'Ridiculously Resilient Ridge':California drought patterns becoming more common
Ridiculously Resilient Ridge California drought patterns more common
2016/4/13
Atmospheric patterns associated with droughts in California have occurred more frequently in recent decades, Stanford scientists say.In new research published online this week in Science Advances...
South Scandinavian joints and Alpine/Atlantic-ridge tectonics
joints neotectonics alps mid-atlantic ridge Sweden bohus granite Norway Scandinavia
2015/9/30
Field observations and studies of the joints and dykes in an area shed light on its younger tectonic development; thus, joint orientations measured in Southern Sweden and in Norway have been statistic...
Magnetic signature of submarine volcanoes in the Phlegrean Fields-Ischia Ridge (North-Western side of the Bay of Naples, Southern Italy)
Aeromagnetic survey Submarine volcanoes Phlegrean Fields-Ischia Ridge Procida offshore
2015/9/1
This paper presents a study of the Phlegrean Fields-Ischia submarine ridge by the analysis and interpretation of high-resolution aeromagnetic data recently acquired in the Western Procida offshore. Th...
Mid-Ocean Ridge Exploration with an Autonomous Underwater Vehicle
Autonomous Underwater Vehicle Ocean
2015/7/22
Human-occupied submersibles, towed vehicles, and tethered remotely operated vehicles (ROVs) have traditionally been used to study the deep seafloor. In recent years, however, autonomous underwater veh...
Patterns of Life on the Southern Mid-Atlantic Ridge:Compiling What is Known and Addressing Future Research
Life on the Southern Mid-Atlantic Ridge Addressing Future Research
2015/7/15
The South Atlantic is one of the youngest of all the major oceans. It has prominent topographic features, in particular, the Mid-Atlantic Ridge. This feature largely determines deepwater circulation p...
Articles in this special issue of Oceanography represent a compendium of research that spans the disciplinary and thematic breadth of the National Science Foundation's Ridge 2000 Program, as well as i...
Endeavour Segment of the Juan de Fuca Ridge:One of the Most Remarkable Places on Earth
Endeavour Segment Juan de Fuca Ridge Most Remarkable Places Earth
2015/7/14
Endeavour Segment of the Juan de Fuca Ridge is one of three Integrated Study Sites for the Ridge 2000 Program. It is a remarkable, dynamic environment hosting five major hydrothermal fields, numerous ...
Recent Seismic Studies at the East Pacific Rise 8°20'–10°10'N and Endeavour Segment:Insights into Mid-Ocean Ridge Hydrothermal and Magmatic Processes
Seismic East Pacific Rise 8°20'–10°10'N Endeavour Segment:Mid-Ocean Ridge Hydrothermal Magmatic Processes
2015/7/14
As part of the suite of multidisciplinary investigations undertaken by the Ridge 2000 Program, new multichannel seismic studies of crustal structure were conducted at the East Pacific Rise (EPR) 8°20'...
Low-Temperature Hydrothermal Plumes in the Near-Bottom Boundary Layer at Endeavour Segment,Juan de Fuca Ridge
Low-Temperature Hydrothermal Plumes Near-Bottom Boundary Layer Endeavour Segment,Juan Fuca Ridge
2015/7/14
Low-temperature (typically 5–75°C) fluid, commonly referred to as "diffuse" hydrothermal flow, emanates from fractures over a significant portion of the Juan de Fuca Ridge seafloor in the Northeast Pa...