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Browsing MIT Open Access Articles by Title

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  • Johnson, Matthew James; Willsky, Alan S (Association for Uncertainty in Artificial Intelligence (AUAI), 2010)
    There is much interest in the Hierarchical Dirichlet Process Hidden Markov Model (HDP-HMM) as a natural Bayesian nonparametric extension of the traditional HMM. However, in many settings the HDP-HMM's strict Markovian ...
  • El-Moselhy, Tarek Ali; Elfadel, Ibrahim M.; Daniel, Luca (Institute of Electrical and Electronics Engineers, 2009-12)
    With the adoption of ultra regular fabric paradigms for controlling design printability at the 22 nm node and beyond, there is an emerging need for a layout-driven, pattern-based parasitic extraction of alternative fabric ...
  • Masaki, Ichiro; Fang, Yajun; Horn, Berthold Klaus Paul (Institute of Electrical and Electronics Engineers, 2009-07)
    he time-to-contact (TTC) estimation is a simple and convenient way to detect approaching objects, potential danger, and to analyze surrounding environment. TTC can be estimated directly from single camera though neither ...
  • Schneider, Ben Ross (Cambridge University Press, 2009-08)
    The extensive scholarship on ‘varieties of capitalism’ offers some conceptual and theoretical innovations that can be fruitfully employed to analyze the distinctive institutional foundations of capitalism in Latin America ...
  • Gautieri, Alfonso; Vesentini, Simone; Redaelli, Alberto; Buehler, Markus J. (American Chemical Society, 2011-01)
    Collagen constitutes one-third of the human proteome, providing mechanical stability, elasticity, and strength to organisms and is the prime construction material in biology. Collagen is also the dominating material in the ...
  • Bertschinger, Edmund; Mohayaee, Roya; Afshordi, Niayesh (American Physical Society, 2009-04)
    Most of the mass content of dark matter haloes is expected to be in the form of tidal debris. The density of debris is not constant, but rather can grow due to formation of caustics at the apocenters and pericenters of ...
  • Reuter, Martin (Springer Netherlands, 2009-08)
    This work introduces a method to hierarchically segment articulated shapes into meaningful parts and to register these parts across populations of near-isometric shapes (e.g. head, arms, legs and fingers of humans in ...
  • Bosia, Federico; Buehler, Markus J.; Pugno, Nicola M. (American Physical Society, 2010-11)
    Biological materials such as spider silk display hierarchical structures, from nano to macro, effectively linking nanoscale constituents to larger-scale functional material properties. Here, we develop a model that is ...
  • Barry, Jennifer Lynn; Kaelbling, Leslie P.; Lozano-Perez, Tomas (Association for the Advancement of Artificial Intelligence, 2010-05)
    This paper presents an algorithm for finding approximately optimal policies in very large Markov decision processes by constructing a hierarchical model and then solving it. This strategy sacrifices optimality for the ...
  • Gibson, Lorna (Royal Society, 2012-08)
    The cell walls in plants are made up of just four basic building blocks: cellulose (the main structural fibre of the plant kingdom) hemicellulose, lignin and pectin. Although the microstructure of plant cell walls varies ...
  • Qin, Zhao; Kreplak, Laurent; Buehler, Markus J. (Public Library of Science, 2009-10)
    Intermediate filaments (IFs), in addition to microtubules and microfilaments, are one of the three major components of the cytoskeleton in eukaryotic cells, playing a vital role in mechanotransduction and in providing ...
  • Varanasi, Kripa K.; Deng, Tao; Hsu, Ming; Bhate, Nitin (Nano Science and Technology Institute, 2009-05)
    In this paper, we present static and dynamic wetting interactions of water droplets on a variety of superhydrophobic surfaces. For sessile droplets, wetting states were determined by measuring contact angles and comparing ...
  • Baran, Ilya; Chen, Jiawen; Ragan-Kelley, Jonathan Millar; Durand, Fredo; Lehtinen, Jaakko (Association for Computing Machinery (ACM), 2010-12)
    Volumetric effects such as beams of light through participating media are an important component in the appearance of the natural world. Many such effects can be faithfully modeled by a single scattering medium. In the ...
  • Linnebo, Oystein (Oxford University Press, )
    Godel claimed that Zermelo-Fraenkel set theory is `what becomes of the theory of types if certain superfluous restrictions are removed'. The aim of this paper is to develop a clearer understanding of Godel's remark, and ...
  • Mohayaee, Roya; Afshordi, Niayesh; Bertschinger, Edmund (American Physical Society, 2010-05)
    We develop a theoretical framework for describing the hierarchical structure of the phase space of cold dark matter haloes, due to gravitationally bound substructures. Because it includes the full hierarchy of the cold ...
  • Bertsimas, Dimitris J.; Iancu, Dan Andrei; Parrilo, Pablo A. (Institute of Electrical and Electronics Engineers (IEEE), 2011-08)
    In this paper, we propose a new tractable framework for dealing with linear dynamical systems affected by uncertainty, applicable to multistage robust optimization and stochastic programming. We introduce a hierarchy of ...
  • Rinard, Martin C.; Grigoras, Gheorghe; Andrei, Stefan; Yap, Roland Hock Chuan (Institute of Electrical and Electronics Engineers, 2010-05)
    Finding subclasses of formulae for which the SAT problem can be solved in polynomial time has been an important problem in computer science. We present a new hierarchy of propositional formulae subclasses for which the SAT ...
  • Jacks, Tyler E.; Mazumdar, Jolly; Hickey, Michele M.; Pant, Dhruv K.; Durham, Amy C.; Sweet-Cordero, Alejandro; Vachani, Anil; Chodosh, Lewis A.; Kissil, Joseph L.; Simon, M. Celeste; Keith, Brian (National Academy of Sciences (U.S.), 2010-08)
    Non-small cell lung cancer (NSCLC) is the leading cause of cancer deaths worldwide. The oxygen-sensitive hypoxia inducible factor (HIF) transcriptional regulators HIF-1α and HIF-2α are overexpressed in many human NSCLCs, ...
  • Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Paus, Christoph M. E. (American Physical Society, 2013-09)
    We combine searches by the CDF and D0 Collaborations for the standard model Higgs boson with mass in the range 90–200  GeV/c[superscript 2] produced in the gluon-gluon fusion, WH, ZH, t[¯ over t]H, and vector boson fusion ...
  • Berger, Carola F.; Marcantonini, Claudio; Stewart, Iain; Tackmann, Frank; Waalewijn, Wouter J. (Springer-Verlag, 2011-04)
    A major ingredient in Higgs searches at the Tevatron and LHC is the elimination of backgrounds with jets. In current H → WW → lνlν searches, jet algorithms are used to veto central jets to obtain a 0-jet sample, which ...
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