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Browsing MIT Open Access Articles by Title

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  • Berwick, Robert C.; Malioutov, Igor Mikhailovich (Institute of Electrical and Electronics Engineers (IEEE), 2011-01)
    Statistically-based parsers for large corpora, in particular the Penn Tree Bank (PTB), typically have not used all the linguistic information encoded in the annotated trees on which they are trained. In particular, they ...
  • Johnson, Luke B.; Ponda, Sameera S.; Choi, Han-lim; How, Jonathan P. (American Institute of Aeronautics and Astronautics, 2010-08)
    This work presents a decentralized task allocation algorithm for networked agents communicating through an asynchronous channel. The algorithm extends the Consensus-Based Bundle Algorithm (CBBA) to account for more ...
  • How, Jonathan P.; Michini, Bernard J. (Institute of Electrical and Electronics Engineers (IEEE), 2012-05)
    Inverse reinforcement learning (IRL) is the task of learning the reward function of a Markov Decision Process (MDP) given knowledge of the transition function and a set of expert demonstrations. While many IRL algorithms ...
  • Ayanian, Nora; Sung, Cynthia Rueyi; Rus, Daniela L. (Institute of Electrical and Electronics Engineers (IEEE), 2013-05)
    We consider the problem of task assignment for a multi-robot system where each robot must attend to one or more queues of tasks. We assume that individual robots have no knowledge of tasks in the environment that are not ...
  • Lobez, Jose M.; Andrew, Trisha Lionel; Bulovic, Vladimir; Swager, Timothy Manning (American Chemical Society, 2012-02)
    The motivation of this study is to determine if small amounts of designer additives placed at the polymer–fullerene interface in bulk heterojunction (BHJ) solar cells can influence their performance. A series of AB-alternating ...
  • Sinnott, Jennifer A.; Dai, Wei; Liao, Katherine P.; Shaw, Stanley Y.; Ananthakrishnan, Ashwin N.; Gainer, Vivian S.; Karlson, Elizabeth W.; Churchill, Susanne; Szolovits, Peter; Murphy, Shawn; Kohane, Isaac; Plenge, Robert; Cai, Tianxi (Springer-Verlag, 2014-07)
    To reduce costs and improve clinical relevance of genetic studies, there has been increasing interest in performing such studies in hospital-based cohorts by linking phenotypes extracted from electronic medical records ...
  • Im, Eun-Soon; Gianotti, Rebecca Louise; Eltahir, Elfatih A. B. (American Meteorological Society, 2014-03)
    This paper presents an evaluation of the performance of the Massachusetts Institute of Technology (MIT) regional climate model (MRCM) in simulating the West African monsoon. The MRCM is built on the Regional Climate Model, ...
  • Zingarelli, J. Chris; Pearce, Eric; Lambour, Richard L.; Blake, T.; Peterson, Curtis J. R.; Cain, Stephen (Institute of Physics/American Astronomical Society, 2014-05)
    The Space Surveillance Telescope (SST) is a Defense Advanced Research Projects Agency program designed to detect objects in space like near Earth asteroids and space debris in the geosynchronous Earth orbit (GEO) belt. ...
  • Du, Song-Pei; Didyk, Piotr; Hu, Shi-Min; Matusik, Wojciech; Durand, Fredo (Association for Computing Machinery (ACM), 2014-11)
    Automultiscopic screens present different images depending on the viewing direction. This enables glasses-free 3D and provides motion parallax effect. However, due to the limited angular resolution of such displays, they ...
  • Sivalingam, Lenin Ravindranth; Newport, Calvin Charles; Balakrishnan, Hari; Madden, Samuel R. (USENIX Association, 2011-03)
    With the proliferation of mobile wireless devices such as smartphones and tablets that are used in a wide range of locations and movement conditions, it has become important for wireless protocols to adapt to different ...
  • Jadidian, Jouya; Zahn, Markus; Lavesson, Nils; Widlund, Ola; Borg, Karl (American Institute of Physics, 2012-05)
    Theoretical images of streamers, revealing the mechanisms behind impulse breakdown in liquid dielectrics, are presented. Streamers lead to electrical breakdown by forming paths, capable of carrying large current amplitudes ...
  • Yosef, Nir; Regev, Aviv (Elsevier B.V., 2011-03)
    Regulatory circuits controlling gene expression constantly rewire to adapt to environmental stimuli, differentiation cues, and disease. We review our current understanding of the temporal dynamics of gene expression in ...
  • Lander, Eric S. (New England Journal of Medicine, 2014-11)
    Background Ezetimibe lowers plasma levels of low-density lipoprotein (LDL) cholesterol by inhibiting the activity of the Niemann–Pick C1-like 1 (NPC1L1) protein. However, whether such inhibition reduces the risk of coronary ...
  • Littleton, J. Troy; Zhang, Sheng; Saraswati, Sudipta; Feany, Mel B.; Perrimon, Norbert (Company of Biologists, 2009-05)
    A polyglutamine expansion in the huntingtin (HTT) gene causes neurodegeneration in Huntington’s disease (HD), but the in vivo function of the native protein (Htt) is largely unknown. Numerous biochemical and in vitro studies ...
  • Lohman, Gregory J. S.; Gerfen, Gary J.; Stubbe, JoAnne (American Chemical Society (ACS), 2010-01)
    Ribonucleotide reductase (RNR, 76 kDa) from Lactobacillus leichmannii is a class II RNR that requires adenosylcobalamin (AdoCbl) as a cofactor. It catalyzes the conversion of nucleoside triphosphates to deoxynucleotides ...
  • Lohman, Gregory J. S.; Stubbe, JoAnne (American Chemical Society (ACS), 2010-02)
    Ribonucleotide reductase (RNR) from Lactobacillus leichmannii, a 76 kDa monomer using adenosylcobalamin (AdoCbl) as a cofactor, catalyzes the conversion of nucleoside triphosphates to deoxynucleotides and is rapidly (<30 ...
  • D'Souza, Arvind I.; Ionescu, A. C.; Salcido, M.; Robinson, E.; Dawson, L. C.; Okerlund, D. L.; de Lyon, T. J.; Rajavel, R. D.; Sharifi, H.; Yap, D.; Beliciu, M.L.; Mehta, S.; Dai, W.; Chen, Gang; Dhar, Nibir; Wijewarnasuriya, P. (SPIE--the International Society for Optical Engineering, 2011-05)
    The Photon-Trap Structures for Quantum Advanced Detectors (PT-SQUAD) program requires MWIR detectors at 200 K. One of the ambitious requirements is to obtain high (> 80 %) quantum efficiency over the visible to MWIR spectral ...
  • Allen, Peter M.; Liu, Wenhao; Chauhan, Vikash P.; Lee, Jungmin; Ting, Alice Y.; Fukumura, Dai; Jain, Rakesh K.; Bawendi, Moungi G. (American Chemical Society, 2009-12)
    We present the synthesis of InAs quantum dots (QDs) with a ZnCdS shell with bright and stable emission in the near-infrared (NIR, 700−900 nm) region for biological imaging applications. We demonstrate how NIR QDs can image ...
  • Santer, B. D.; Painter, J. F.; Mears, C. A.; Doutriaux, Charles; Caldwell, P.; Arblaster, J. M.; Cameron-Smith, P.; Gillett, Nathan P.; Gleckler, Peter J.; Lanzante, J.; Perlwitz, J.; Stott, P. A.; Taylor, K. E.; Terray, L.; Thorne, P. W.; Wehner, M. F.; Wentz, F. J.; Wigley, T. M. L.; Wilcox, L. J.; Zou, C.-Z. (National Academy of Sciences (U.S.), 2012-11)
    We perform a multimodel detection and attribution study with climate model simulation output and satellite-based measurements of tropospheric and stratospheric temperature change. We use simulation output from 20 climate ...
  • Schiller, Peter H. (National Academy of Sciences (U.S.), 2010-08)
    In the retina, several parallel channels originate that extract different attributes from the visual scene. This review describes how these channels arise and what their functions are. Following the introduction four ...
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