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Browsing MIT Open Access Articles by Title

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  • Chen, Harr; Branavan, Satchuthanan R.; Barzilay, Regina; Karger, David R. (Association for Computational Linguistics, 2009-06)
    We present a novel Bayesian topic model for learning discourse-level document structure. Our model leverages insights from discourse theory to constrain latent topic assignments in a way that reflects the underlying ...
  • Britter, Rex E.; Waitz, Ian A.; Barrett, Steven (American Chemical Society (ACS), 2010-10)
    Aircraft emissions impact human health though degradation of air quality. The majority of previous analyses of air quality impacts from aviation have considered only landing and takeoff emissions. We show that aircraft ...
  • Poliannikov, Oleg V.; Zhizhina, Elena; Krim, Hamid (Institute of Electrical and Electronics Engineers, 2010-12)
    In this paper, we study a diffusion stochastic dynamics with a general diffusion coefficient. The main result is that adapting the diffusion coefficient to the Hamiltonian allows to escape local wide minima and to speed ...
  • Wechsung, Achim; Barton, Paul I. (Springer US, 2013-03)
    A deterministic global optimization method is developed for a class of discontinuous functions. McCormick’s method to obtain relaxations of nonconvex functions is extended to discontinuous factorable functions by representing ...
  • Ghebrebrhan, Michael; Bermel, Peter A.; Joannopoulos, John D.; Johnson, Steven G.; Avniel, Yehuda B. (Optical Society of America, 2009-04)
    The front-coating (FC) of a solar cell controls its efficiency, determining admission of light into the absorbing material and potentially trapping light to enhance thin absorbers. Single-layer FC designs are well known, ...
  • Surussavadee, Chinnawat; Staelin, David H. (Institute of Electrical and Electronics Engineers (IEEE), 2010-07)
    This paper presents and evaluates a global precipitation retrieval algorithm for the Special Sensor Microwave Imager/Sounder (SSMIS). It is based on those developed earlier for the Advanced Microwave Sounding Unit (AMSU) ...
  • Surussavadee, Chinnawat; Staelin, David H. (American Meteorological Society, 2010-01)
    A surface-precipitation-rate retrieval algorithm for 13-channel Advanced Microwave Sounding Unit (AMSU) millimeter-wave spectral observations from 23 to 191 GHz is described. It was trained using cloud-resolving fifth-generation ...
  • Bland, Christopher S.; Wang, Eric T.; Vu, Anthony; David, Marjorie P.; Castle, John C.; Johnson, Jason M.; Burge, Christopher B.; Cooper, Thomas A. (Oxford University Press, 2010-07)
    Recent genome-wide analyses have elucidated the extent of alternative splicing (AS) in mammals, often focusing on comparisons of splice isoforms between differentiated tissues. However, regulated splicing changes are likely ...
  • Vallina, S. M.; Montoya, J. M.; Cermeno, P.; Loreau, M.; Follows, Michael J.; Dutkiewicz, Stephanie (Nature Publishing Group, 2014-07)
    The shape of the productivity–diversity relationship (PDR) for marine phytoplankton has been suggested to be unimodal, that is, diversity peaking at intermediate levels of productivity. However, there are few observations ...
  • Levin, Alexander; Lis, Mieszko; Ponty, Yann; O'Donnell, Charles William; Devadas, Srinivas; Berger, Bonnie; Waldispuhl, Jerome (Oxford University Press, 2012-08)
    The development of algorithms for designing artificial RNA sequences that fold into specific secondary structures has many potential biomedical and synthetic biology applications. To date, this problem remains computationally ...
  • Costinot, Arnaud; Wang, Su; Vogel, Jonathan (American Economic Association, 2012-05)
    A salient feature of globalization in recent decades is the emergence of "global supply chains" in which different countries specialize in different stages of a sequential production process. In Costinot, Vogel and Wang ...
  • Li, Yun; Wang, Haoyi; Muffat, Julien; Cheng, Albert W.; Orlando, David A.; Kwok, Show-ming; Feldman, Danielle A.; Bateup, Helen S.; Gao, Qing; Hockemeyer, Dirk; Mitalipova, Maisam; Lewis, Caroline A.; Sur, Mriganka; Young, Richard A.; Jaenisch, Rudolf; Loven, Jakob; Vander Heiden, Matthew G.; Feldman, Danielle A.; Lewis, Caroline A.; Young, Richard A. (Elsevier, 2013-10)
    Rett syndrome (RTT) is caused by mutations of MECP2, a methyl CpG binding protein thought to act as a global transcriptional repressor. Here we show, using an isogenic human embryonic stem cell model of RTT, that MECP2 ...
  • Fish, Vincent L.; Sjouwerman, Loránt O. (Institute of Physics/American Astronomical Society, 2010-06)
    We present global very long baseline interferometry observations of the first excited-state hydroxyl (OH) masers in the massive star-forming region Onsala 1 (ON 1). The 29 masers detected are nearly all from the 6035 MHz ...
  • Wibawa, M. S.; Dahl, Jason; Rival, D. E.; Steele, Stephanie C.; Weymouth, Gabriel D.; Triantafyllou, Michael S. (Cambridge University Press, 2012-02)
    If a moving body were made to vanish within a fluid, its boundary-layer vorticity would be released into the fluid at all locations simultaneously, a phenomenon we call global vorticity shedding. We approximate this process ...
  • Emanuel, Kerry Andrew (American Meteorological Society, 2011-10)
    While many studies of the effects of global warming on hurricanes predict an increase in various metrics of Atlantic basin-wide activity, it is less clear that this signal will emerge from background noise in measures of ...
  • Wunsch, Carl; Heimbach, Patrick (American Meteorological Society, 2009-08)
    The zonally integrated meridional and vertical velocities as well as the enthalpy transports and fluxes in a least squares adjusted general circulation model are used to estimate the top-to-bottom oceanic meridional ...
  • Rosenbaum, Eric Ross (Association for Computing Machinery, 2009-10)
    Expressive inquiry is a process of exploration and discovery within an artistic medium that supports both intuitive play and iterative experimentation. Glowdoodle is a system that enables people to paint with light using ...
  • Adams, Allan; Dyer, Ethan Stanley; Lee, Jae Hoon (Springer-Verlag, 2013-01)
    We identify a simple mechanism by which H-flux satisfying the modified Bianchi identity arises in garden-variety (0, 2) gauged linear sigma models. Taking suitable limits leads to effective gauged linear sigma models with ...
  • Rapoport, Benjamin I.; Kedzierski, Jakub T.; Sarpeshkar, Rahul (Public Library of Science, 2011-06)
    We have developed an implantable fuel cell that generates power through glucose oxidation, producing 3:4 mW cm{2steady-state power and up to 180 mW cm{2 peak power. The fuel cell is manufactured using a novel approach, ...
  • Chou, Danny Hung-Chieh; Tang, Benjamin C.; Lin, Amy B.; Thapa, Lavanya S.; Deng, David; Truong, Jonathan V.; Langer, Robert; Webber, Matthew; Cortinas, Abel Bryan; Anderson, Daniel Griffith (National Academy of Sciences (U.S.), 2015-02)
    Since its discovery and isolation, exogenous insulin has dramatically changed the outlook for patients with diabetes. However, even when patients strictly follow an insulin regimen, serious complications can result as ...
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