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CLEANing the Reward: Counterfactual Actions to Remove Exploratory Action Noise in Multiagent Learning
Document ID: 20140013383
NTRS Full-Text: Click to View  [PDF Size: 81 KB]
Author: HolmesParker, Chris; Taylor, Mathew E.; Tumer, Kagan; Agogino, Adrian
Abstract: Learning in multiagent systems can be slow because agents must learn both how to behave in a complex hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: ARC-E-DAA-TN13699
Date Acquired: Dec 19, 2014
Ureilite Thin Section Preparation
Document ID: 20140012906
NTRS Full-Text: Click to View  [PDF Size: 95 KB]
Author: Harrington, R.; Righter, K.
Abstract: Preparing thin and thick sections of ureilite type meteorites is a challenge that can confound even hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30532
Date Acquired: Oct 17, 2014
Bunburra Rockhole: Exploring the Geology of a New Differentiated Basaltic Asteroid
Document ID: 20140012870
NTRS Full-Text: Click to View  [PDF Size: 421 KB]
Author: Benedix, G.K.; Bland, P. A.; Friedrich, J. M.; Mittlefehldt, D.; Sanborn, M. E.; Yin, Q.-Z.; Greenwood, R. C; Franchi, L. A.; Bevan, A. W. R.; Towner, M. C.; Perotta, Grace C.
Abstract: Bunburra Rockhole (BR) is the first recovered meteorite of the Desert Fireball Network. It was hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30520
Date Acquired: Oct 16, 2014
Timing of Formation of a Wassonite-bearing Chondrule
Document ID: 20140012821
NTRS Full-Text: Click to View  [PDF Size: 193 KB]
Author: Needham, A. W.; Nakamura-Messenger, K.; Rubin, A. E.; Choi, B.-G.; Messenger, S.
Abstract: Wassonite, ideally stoichiometric TiS, is a titanium monosulfide recently discovered in the Yamato hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: LPI-Contrib-2162, JSC-CN-30450
Date Acquired: Oct 16, 2014
Recent Results From the Opportunity Rover's Exploration of Endeavour Crater, Mars
Document ID: 20140012869
NTRS Full-Text: Click to View  [PDF Size: 322 KB]
Author: Arvidson, R. E.; Squyres, S. W.; Gellert, R.; Mittlefehldt, D. W.
Abstract: The Mars Exploration Rover Opportunity is beginning its 11th year of exploration and as of sol 3535 hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30519
Date Acquired: Oct 16, 2014
Contrasting Size Distributions of Chondrules and Inclusions in Allende CV3
Document ID: 20140012796
NTRS Full-Text: Click to View  [PDF Size: 1.0 MB]
Author: Fisher, Kent R.; Tait, Alastair W.; Simon, Jusin I.; Cuzzi, Jeff N.
Abstract: There are several leading theories on the processes that led to the formation of chondrites, e.g., hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30403
Date Acquired: Oct 16, 2014
A Comparison of Anorthositic Lunar Lithologies: Variation on the FAN Theme
Document ID: 20140012789
NTRS Full-Text: Click to View  [PDF Size: 292 KB]
Author: Nyquist, L. E.; Shih, C-Y.; Yamaguchi, A.; Mittlefehldt, D. W.; Peng, Z. X.; Park, J.; Herzog, G. F.; Shirai, N.
Abstract: Certain anorthositic rocks that are rare in the returned lunar samples have been identified among hide
Publication Year: 2014
Document Type: Extended Abstract
Date Acquired: Oct 15, 2014
Nature of the "Orange" Material on Vesta From Dawn
Document ID: 20140012595
NTRS Full-Text: Click to View  [PDF Size: 1.3 MB]
Author: LeCorre, L.; Reddy, V.; Schmedemann, N.; Becker, K. J.; OBrien, D. P.; Yamashita, N.; Peplowski, P. N.; Prettyman, T. H.; Li, J.-Y.; Coultis, E. A.; Denevi, B. W.; Kneissl, T.; Palmer, E.; Gaskell, R. W.; Nathues, A.; Gaffey, M. J.; Mittlefeldt, D. W.; Gary, W. B.; Sierks, H.; Russell, C. T.; Raymond, C. A.
Abstract: From ground-based observations of Vesta, it is well-known that the vestan surface has a large hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30106
Date Acquired: Oct 14, 2014
Unusual Microtopography on an Apollo 12 Soil Grain
Document ID: 20140012597
NTRS Full-Text: Click to View  [PDF Size: 430 KB]
Author: Thomas-Keprta, K. L.; Keprta, N. T.; Clemett, S. J.; Berger, E. L.; Rahman, Z.; McKay, D. S.; Gibson, E. K.; Wentworth, S. J.
Abstract: We have observed the presence of a previously undescribed microtopography in several regions on the hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30355
Date Acquired: Oct 14, 2014
SAM-Like Evolved Gas Analyses of Phyllosilicate Minerals and Applications to SAM Analyses of the Sheepbed Mudstone, Gale Crater, Mars
Document ID: 20140012601
NTRS Full-Text: Click to View  [PDF Size: 718 KB]
Author: McAdam, A. C.; Franz, H. B.; Mahaffy, P. R.; Eigenbrode, J. L.; Stern, J. C.; Brunner, B.; Sutter, B.; Archer, P. D.; Ming , D. W.; Morris, R. V.; Bish, D. L.; Atreya, S. K.
Abstract: While in Yellowknife Bay, the Mars Science Laboratory Curiosity rover collected two drilled samples, hide
Publication Year: 2014
Document Type: Extended Abstract
Report/Patent Number: JSC-CN-30380
Date Acquired: Oct 14, 2014
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