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Browsing MIT Open Access Articles by Title

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  • Babic, Ana; Berkmen, Melanie; Lee, Catherine; Grossman, Alan D. (American Society for Microbiology, 2011-03)
    Horizontal gene transfer contributes to evolution and the acquisition of new traits. In bacteria, horizontal gene transfer is often mediated by conjugative genetic elements that transfer directly from cell to cell. Integrative ...
  • Feng, Zhengyan; Zhang, Botao; Ding, Wona; Liu, Xiaodong; Yang, Dong-Lei; Wei, Pengliang; Cao, Fengqiu; Zhu, Shihua; Zhang, Feng; Mao, Yanfei; Zhu, Jian-Kang (Nature Publishing Group, 2013-08)
    In the past few years, the development of sequence-specific DNA nucleases has progressed rapidly and such nucleases have shown their power in generating efficient targeted mutagenesis and other genome editing applications. ...
  • Desaulniers, Guy; Desrosiers, Jacques; Vidal, Thibaut; Ribeiro, Glaydston Mattos; Vieira, Bruno Salezze (Springer US, 2014-09)
    Onshore oil fields may contain hundreds of wells that use sophisticated and complex equipments. These equipments need regular maintenance to keep the wells at maximum productivity. When the productivity of a well decreases, ...
  • Preis, Ami; Whittle, Andrew; Ostfeld, Avi; Perelman, Lina (American Society of Civil Engineers, 2011-07)
    This paper describes and demonstrates an efficient method for online hydraulic state estimation in urban water networks. The proposed method employs an online predictor-corrector (PC) procedure for forecasting future water ...
  • Whelan, Thomas; Kaess, Michael; Finman, Ross Edward; Leonard, John Joseph (Institute of Electrical and Electronics Engineers (IEEE), 2014-05)
    In this paper we present a method for incrementally segmenting large RGB-D maps as they are being created. Recent advances in dense RGB-D mapping have led to maps of increasing size and density. Segmentation of these raw ...
  • Bilgic, Berkin; Horn, Berthold Klaus Paul; Masaki, Ichiro (Institute of Electrical and Electronics Engineers (IEEE), 2010-06)
    We present an integral image algorithm that can run in real-time on a Graphics Processing Unit (GPU). Our system exploits the parallelisms in computation via the NIVIDA CUDA programming model, which is a software platform ...
  • Farr, W. M.; Stevens, D.; Mandel, Ilya (Royal Society, 2015-06)
    Selection among alternative theoretical models given an observed dataset is an important challenge in many areas of physics and astronomy. Reversible-jump Markov chain Monte Carlo (RJMCMC) is an extremely powerful technique ...
  • Mavrokefalos, Anastassios; Han, Sang Eon; Yerci, Selcuk; Chen, Gang; Branham, Matthew Sanders (American Chemical Society (ACS), 2012-05)
    Thin-film crystalline silicon (c-Si) solar cells with light-trapping structures can enhance light absorption within the semiconductor absorber layer and reduce material usage. Here we demonstrate that an inverted nanopyramid ...
  • Han, Sang Eon; Mavrokefalos, Anastassios; Branham, Matthew Sanders; Chen, Gang (Society of Photo-optical Instrumentation Engineers, 2011-05)
    We examine light-trapping in thin crystalline silicon periodic nanostructures for solar cell applications. Using group theory, we show that light-trapping can be improved over a broad band when structural mirror symmetry ...
  • Sheng, Xing; Liu, Jifeng; Kozinsky, Inna; Michel, Jurgen; Kimerling, Lionel C.; Agarwal, Anuradha Murthy (Institute of Electrical and Electronics Engineers (IEEE), 2010-06)
    Thin film silicon solar cells are believed to be promising candidates for continuing cost reduction in photovoltaic panels because silicon usage could be greatly reduced. Since silicon is an indirect bandgap semiconductor, ...
  • Gorodetsky, Alex Arkady; Marzouk, Youssef M. (Society for Industrial and Applied Mathematics, 2014-11)
    Surrogate models for computational simulations are input-output approximations that allow computationally intensive analyses, such as uncertainty propagation and inference, to be performed efficiently. When a simulation ...
  • Bravo-Abad, Jorge; Rodriguez, Alejandro W.; Joannopoulos, John D.; Rakich, P. T.; Johnson, Steven G.; Soljacic, Marin (American Institute of Physics, 2010-03)
    In this letter, we show theoretically how the light-confining properties of triply-resonant photonic resonators can be tailored to enable dramatic enhancements of the conversion efficiency of terahertz (THz) generation via ...
  • Hu, Xiaolong; Holzwarth, Charles W.; Masciarelli, Daniele; Dauler, Eric A.; Berggren, Karl K. (Institute of Electrical and Electronics Engineers, 2009-07)
    We designed superconducting nanowire single-photon detectors (SNSPDs) integrated with silver optical antennae for free-space coupling and a dielectric waveguide for fiber coupling. According to our finite-element simulation, ...
  • Indyk, Piotr; Ngo, Hung Q.; Rudra, Atri (Society for Industrial and Applied Mathematics / Association for Computing Machinery, 2010-01)
    We consider the following "efficiently decodable" non-adaptive group testing problem. There is an unknown string x 2 f0; 1gn [x is an element of set {0,1} superscript n] with at most d ones in it. We are allowed to ...
  • Kuindersma, Scott; Permenter, Frank Noble; Tedrake, Russell Louis (Institute of Electrical and Electronics Engineers (IEEE), 2014-05)
    We describe a whole-body dynamic walking controller implemented as a convex quadratic program. The controller solves an optimal control problem using an approximate value function derived from a simple walking model while ...
  • Shabani, A.; Kosut, R. L.; Mohseni, Masoud; Rabitz, H.; Broome, Matthew A.; Almeida, M. P.; White, A. G. (American Physical Society, 2011-03)
    The resources required to characterize the dynamics of engineered quantum systems—such as quantum computers and quantum sensors—grow exponentially with system size. Here we adapt techniques from compressive sensing to ...
  • Spring, Bryan Q.; Palanisami, Akilan; Zheng, Lei Zak; Blatt, Amy E.; Bryan Sears, R.; Hasan, Tayyaba (SPIE, 2013-09)
    We introduce immunofluorescence and automated image processing protocols for serial tumor sections to objectively and efficiently quantify tumor microvasculature following antivascular therapy. To determine the trade-off ...
  • Zhao, Qin; Bruening, Derek; Amarasinghe, Saman P. (Association for Computing Machinery, 2010)
    Shadow memory is used by dynamic program analysis tools to store metadata for tracking properties of application memory. The efficiency of mapping between application memory and shadow memory has substantial impact on the ...
  • Chen, Zhexu (Michael); Chen, Lei; Cetin, Mujdat; Willsky, Alan S. (Institute of Electrical and Electronics Engineers (IEEE), 2009-08)
    We propose a new approach for multi-sensor multi-target tracking by constructing statistical models on graphs with continuous-valued nodes for target states and discrete-valued nodes for data association hypotheses. These ...
  • Kreidl, Olivier Patrick; Willsky, Alan S. (Institute of Electrical and Electronics Engineers (IEEE), 2010-02)
    A promising feature of emerging wireless sensor networks is the opportunity for each spatially-distributed node to measure its local state and transmit only information relevant to effective global decision-making. An ...
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