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Browsing MIT Open Access Articles by Title

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  • Sontag, David; Meshi, Ofer; Jaakkola, Tommi S.; Globerson, Amir (Neural Information Processing Systems Foundation, 2010-12)
    The problem of learning to predict structured labels is of key importance in many applications. However, for general graph structure both learning and inference in this setting are intractable. Here we show that it is ...
  • Eckhardt, Micah Rye; Picard, Rosalind W. (Institute of Electrical and Electronics Engineers, 2009-09)
    Labeling videos for affect content such as facial expression is tedious and time consuming. Researchers often spend significant amounts of time annotating experimental data, or simply lack the time required to label their ...
  • Skow, Bradford (Wiley Blackwell (Blackwell Publishing), 2011-12)
    Anti-haecceitism is the thesis that the universe could not be nonqualitatively different without being qualitatively different. Haecceitism is the denial of anti-haecceitism.1 In “Haecceitism, Anti-Haecceitism, and ...
  • Giambalvo, Vince; Miller, Haynes R. (Mathematical Sciences Publishers, 2011-09)
    The relations of Barratt and Miller are shown to include all relations among the elements P[superscript i]χP[superscript n−i} in the mod p Steenrod algebra, and a minimal set of relations is given.
  • McKernan, James (Springer, 2010-04)
    We explore the circle of ideas connecting finite generation of the Cox ring, Mori dream spaces and invariant theory.
  • Sun, Hao Sheng; Maze, Ian; Dietz, David M.; Scobie, Kimberly N.; Kennedy, Pamela K.; Damez-Werno, Diane; Neve, Rachael L.; Zachario, Venetia; Shen, Li; Nestler, Eric J. (Society for Neuroscience, 2012-11)
    Dysregulation of histone modifying enzymes has been associated with numerous psychiatric disorders. Alterations in G9a (Ehmt2), a histone methyltransferase that catalyzes the euchromatic dimethylation of histone H3 at ...
  • Urban, Glen L.; MacDonald, Erin; Bordley, Robert; Hauser, John R.; Liberali, Guilherme (Institute for Operations Research and the Management Sciences (INFORMS), 2013-10)
    Researchers and practitioners devote substantial effort to targeting banner advertisements to consumers, but they focus less effort on how to communicate with consumers once targeted. Morphing enables a website to learn, ...
  • Quintana, Lluís; Nieden, Nicole I. zur; Semino, Carlos Eduardo (Mary Ann Liebert, 2008-12)
    Cartilage is the first skeletal tissue to be formed during embryogenesis leading to the creation of all mature cartilages and bones, with the exception of the flat bones in the skull. Therefore, errors occurring during ...
  • Wang, Zhengyuan; Du, Jianguo; Lam, Siew H.; Mathavan, Sinnakarupan; Matsudaira, Paul T.; Gong, Zhiyuan (BioMed Central Ltd., 2010-06)
    Background The zebrafish intestine is a simple tapered tube that is folded into three sections. However, whether the intestine is functionally similar along its length remains unknown. Thus, a systematic structural and ...
  • Kempes, Christopher P.; Okegbe, Chinweike; Mears-Clarke, Zwoisaint; Dietrich, Lars E. P.; Follows, Michael J. (National Academy of Sciences (U.S.), 2014-01)
    A major theme driving research in biology is the relationship between form and function. In particular, a longstanding goal has been to understand how the evolution of multicellularity conferred fitness advantages. Here ...
  • Petroff, Alexander Peter; Sim, Min Sub; Liang, Biqing; Bosak, Tanja (United States National Academy of Sciences, 2009-05)
    Conical stromatolites are thought to be robust indicators of the presence of photosynthetic and phototactic microbes in aquatic environments as early as 3.5 billion years ago. However, phototaxis alone cannot explain the ...
  • Duong, Hai M.; Yamamoto, Namiko; Bui, Khoa; Papavassiliou, Dimitrios V.; Maruyama, Shigeo; Wardle, Brian L. (American Chemical Society (ACS), 2010-04)
    Carbon nanotube (CNT)−CNT contact and CNT distribution effects on anisotropic thermal transport in aligned CNT−polymer nanocomposites (PNCs) are studied using an off-lattice Monte Carlo numerical simulation. Inter-CNT ...
  • Raviv, T. Riklin; Ljosa, V.; Conery, A. L.; Ausubel, F. M.; Carpenter, A. E.; Golland, Polina; Wählby, C. (Springer-Verlag Berlin Heidelberg, 2010)
    We present a novel approach for extracting cluttered objects based on their morphological properties. Specifically, we address the problem of untangling Caenorhabditis elegans clusters in high-throughput screening experiments. ...
  • Burr, Devon M.; Drummond, Sarah A.; Cartwright, Richard; Black, Benjamin A.; Perron, J. Taylor (Elsevier B.V., 2013-09)
    Although Titan’s surface shows clear evidence of erosional modification, such as fluvial incision, evidence for tectonism has been less apparent. On Earth, fluvial networks with strongly preferred orientations are often ...
  • Winstein, Keith J.; Balakrishnan, Hari (Advanced Computing Systems Association, 2012-06)
    Mosh (mobile shell) is a remote terminal application that supports intermittent connectivity, allows roaming, and speculatively and safely echoes user keystrokes for better interactive response over high-latency paths. ...
  • Friedman, Robin Carl; Farh, Kyle Kai-How; Burge, Christopher B.; Bartel, David (Cold Spring Harbor Laboratory Press in association with The Genetics Society, 2008-10)
    MicroRNAs (miRNAs) are small endogenous RNAs that pair to sites in mRNAs to direct post-transcriptional repression. Many sites that match the miRNA seed (nucleotides 2–7), particularly those in 3′ untranslated regions ...
  • Frebel, Anna L.; Norris, John E.; Bessell, M. S.; Yong, David; Christlieb, N.; Barklem, P. S.; Asplund, M.; Murphy, Simon J.; Beers, Timothy C.; Ryan, S. G. (IOP Publishing, 2012-12)
    We report the discovery of 34 stars in the Hamburg/ESO Survey for metal-poor stars and the Sloan Digital Sky Survey that have [Fe/H] [< over ~]–3.0. Their median and minimum abundances are [Fe/H] = –3.1 and –4.1, respectively, ...
  • Frebel, Anna L.; Yong, David; Bessell, M. S.; Christlieb, N.; Asplund, M.; Beers, Timothy C.; Barklem, P. S.; Ryan, S. G.; Norris, John E. (IOP Publishing, 2012-12)
    We present a homogeneous chemical abundance analysis of 16 elements in 190 metal-poor Galactic halo stars (38 program and 152 literature objects). The sample includes 171 stars with [Fe/H] ≤ –2.5, of which 86 are extremely ...
  • Frebel, Anna L.; Yong, David; Norris, John E.; Bessell, M. S.; Christlieb, N.; Asplund, M.; Beers, Timothy C.; Barklem, P. S.; Ryan, S. G. (IOP Publishing, 2012-12)
    We examine the metallicity distribution function (MDF) and fraction of carbon-enhanced metal-poor (CEMP) stars in a sample that includes 86 stars with [Fe/H] ≤ –3.0, based on high-resolution, high signal-to-noise spectroscopy, ...
  • Frebel, Anna L.; Norris, John E.; Yong, David; Bessell, M. S.; Christlieb, N.; Asplund, M.; Gilmore, Gerard; Wyse, Rosemary F. G.; Beers, Timothy C.; Barklem, P. S.; Ryan, S. G. (IOP Publishing, 2012-12)
    We discuss the carbon-normal and carbon-rich populations of Galactic halo stars having [Fe/H] [< over ~] –3.0, utilizing chemical abundances from high-resolution, high signal-to-noise model-atmosphere analyses. The C-rich ...
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