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19 papers · 1 filter
Capturing Data Uncertainty in High-Volume Stream Processing
Yanlei Diao, Boduo Li, Anna Liu +4
We present the design and development of a data stream system that captures data uncertainty from data collection to query processing to final result generation. Our system focuses…
SCADS: Scale-Independent Storage for Social Computing Applications
Michael Armbrust, Armando Fox, David Patterson +4
Collaborative web applications such as Facebook, Flickr and Yelp present new challenges for storing and querying large amounts of data. As users and developers are focused more on…
Is the Radial Profile of the Phase-Space Density of Dark Matter Halos a Power-Law?
Chung-Pei Ma, Philip Chang, Jun Zhang
The latest cosmological N-body simulations find two intriguing properties for dark matter haloes: (1) their radial density profile, rho, is better fit by a form that flattens to a…
Imaging an Event Horizon: submm-VLBI of a Super Massive Black Hole
Sheperd Doeleman, Eric Agol, Don Backer +20
A long standing goal in astrophysics is to directly observe the immediate environment of a black hole with angular resolution comparable to the event horizon. Realizing this goal w…
The Synoptic All-Sky Infrared (SASIR) Survey
Joshua S. Bloom, J. Xavier Prochaska, William Lee +42
We are proposing to conduct a multicolor, synoptic infrared (IR) imaging survey of the Northern sky with a new, dedicated 6.5-meter telescope at San Pedro Mártir (SPM) Observatory.…
The Star Formation Camera
Paul A. Scowen, Rolf Jansen, Matthew Beasley +21
The Star Formation Camera (SFC) is a wide-field (~15'x19, >280 arcmin^2), high-resolution (18x18 mas pixels) UV/optical dichroic camera designed for the Theia 4-m space-borne space…