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Browsing MIT Open Access Articles by Title

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  • Macaque studies of vaccine and microbicide combinations for preventing HIV-1 sexual transmission 
    Klasse, Per Johan; Dufour, Jason; Veazey, Ronald S.; Barouch, Dan H.; Moore, John P. (National Academy of Sciences, 2012-05)
    Vaccination and the application of a vaginal microbicide have traditionally been considered independent methods to prevent the sexual transmission of HIV-1 to women. Both techniques can be effective in macaque models, and ...
  • MAC Centered Cooperation - Synergistic Design of Network Coding, Multi-Packet Reception, and Improved Fairness to Increase Network Throughput 
    Cloud, Jason M.; Zeger, Linda; Medard, Muriel (Institute of Electrical and Electronics Engineers (IEEE), 2012-02)
    We design a cross-layer approach to aid in developing a cooperative solution using multi-packet reception (MPR), network coding (NC), and medium access (MAC). We construct a model for the behavior of the IEEE 802.11 MAC ...
  • MAC Design for Analog Network Coding 
    Khabbazian, Majid; Kuhn, Fabian; Lynch, Nancy Ann; Medard, Muriel; Parandehgheibi, Ali (Association for Computing Machinery (ACM), 2011-06)
    Most medium access control (MAC) mechanisms discard collided packets and consider interference harmful. Recent work on Analog Network Coding (ANC) suggests a different approach, in which multiple interfering transmissions ...
  • MAC for Networks with Multipacket Reception Capability and Spatially Distributed Nodes 
    Celik, Guner Dincer; Zussman, Gil; Khan, Wajahat F.; Modiano, Eytan H. (Institute of Electrical and Electronics Engineers, 2010-02)
    The physical layer of future wireless networks will be based on novel radio technologies such as UWB and MIMO. One of the important capabilities of such technologies is the ability to capture a few packets simultaneously. ...
  • Machine Learning and Rule-based Approaches to Assertion Classification 
    Uzuner, Ozlem; Zhang, Xiaoran; Sibanda, Tawanda (BMJ Publishing Group, 2009)
    Objectives The authors study two approaches to assertion classification. One of these approaches, Extended NegEx (ENegEx), extends the rule-based NegEx algorithm to cover alter-association assertions; the other, Statistical ...
  • The Machine Learning and Traveling Repairman Problem 
    Tulabandhula, Theja; Rudin, Cynthia; Jaillet, Patrick (Springer Berlin / Heidelberg, 2011-10)
    The goal of the Machine Learning and Traveling Repairman Problem (ML&TRP) is to determine a route for a “repair crew,” which repairs nodes on a graph. The repair crew aims to minimize the cost of failures at the nodes, but ...
  • Machine Learning for the New York City Power Grid 
    Rudin, Cynthia; Waltz, David; Anderson, Roger N.; Boulanger, Albert; Salleb-Aouissi, Ansaf; Chow, Maggie; Dutta, Haimonti; Gross, Philip N.; Huang, Bert; Ierome, Steve; Isaac, Delfina F.; Kressner, Arthur; Passonneau, Rebecca J.; Radeva, Axinia; Wu, Leon (Institute of Electrical and Electronics Engineers, 2012-02)
    Power companies can benefit from the use of knowledge discovery methods and statistical machine learning for preventive maintenance. We introduce a general process for transforming historical electrical grid data into ...
  • Macroeconomic Conditions and the Puzzles of Credit Spreads and Capital Structure 
    Chen, Hui (American Finance Association, 2010-11)
    I build a dynamic capital structure model that demonstrates how business-cycle variations in expected growth rates, economic uncertainty, and risk premia influence firms’ financing and default policies. Countercyclical ...
  • Macroeconomics after the Crisis: Time to Deal with the Pretense-of-Knowledge Syndrome 
    Caballero, Ricardo J. (American Economic Association, 2010)
    The recent financial crisis has damaged the reputation of macroeconomics, largely for its inability to predict the impending financial and economic crisis. To be honest, this inability to predict does not concern me much. ...
  • Macromolecular Crowding Directs Extracellular Matrix Organization and Mesenchymal Stem Cell Behavior 
    Zeiger, Adam Scott; Loe, Felicia C.; Li, Ran; Raghunath, Michael; Van Vliet, Krystyn J. Van (Public Library of Science, 2012-05)
    Microenvironments of biological cells are dominated in vivo by macromolecular crowding and resultant excluded volume effects. This feature is absent in dilute in vitro cell culture. Here, we induced macromolecular crowding ...
  • Macrophages, Nitric Oxide and microRNAs Are Associated with DNA Damage Response Pathway and Senescence in Inflammatory Bowel Disease 
    Sohn, Jane J.; Schetter, Aaron J.; Yfantis, Harris G.; Ridnour, Lisa A.; Horikawa, Izumi; Kahn, Mohammed A.; Robles, Ana I.; Hussain, S. Perwez; Goto, Akiteru; Bowman, Elise D.; Hofseth, Lorne J.; Bartkova, Jirina; Bartek, Jiri; Wogan, Gerald N.; Wink, David A.; Harris, Curtis C. (Public Library of Science, 2012-09)
    Background: Cellular senescence can be a functional barrier to carcinogenesis. We hypothesized that inflammation modulates carcinogenesis through senescence and DNA damage response (DDR). We examined the association between ...
  • The macroscopic delamination of thin films from elastic substrates 
    Reis, Pedro Miguel; Roman, Benoit; Boudaoud, Arezki; Bico, José; Vella, Dominic (United States National Academy of Sciences, 2009-05)
    The wrinkling and delamination of stiff thin films adhered to a polymer substrate have important applications in “flexible electronics.” The resulting periodic structures, when used for circuitry, have remarkable mechanical ...
  • Macroscopic Invisibility Cloak for Visible Light 
    Zhang, Baile; Luo, Yuan; Liu, Xiaogang; Barbastathis, George (American Physical Society, 2011-01)
    Invisibility cloaks, a subject that usually occurs in science fiction and myths, have attracted wide interest recently because of their possible realization. The biggest challenge to true invisibility is known to be the ...
  • Macroscopic Phase-Field Model of Partial Wetting: Bubbles in a Capillary Tube 
    Cueto-Felgueroso, Luis; Juanes, Ruben (American Physical Society, 2012-04)
    Drops and bubbles are nonspreading, local, compactly supported features. They are also equilibrium configurations in partial wetting phenomena. Yet, current macroscopic theories of capillary-dominated flow are unable to ...
  • Macroturbulent Equilibration in a Thermally Forced Primitive Equation System 
    Jansen, Malte Friedrich; Ferrari, Raffaele (American Meteorological Society, 2012-02)
    A major question for climate studies is to quantify the role of turbulent eddy fluxes in maintaining the observed ocean–atmosphere state. It has been argued that eddy fluxes keep the midlatitude atmosphere in a state that ...
  • MacWilliams identities for codes on graphs 
    Forney, G. David, Jr. (Institute of Electrical and Electronics Engineers, 2009-12)
    The MacWilliams identity for linear time-invariant convolutional codes that has recently been found by Gluesing-Luerssen and Schneider is proved concisely, and generalized to arbitrary group codes on graphs. A similar ...
  • MacWilliams identities for terminated convolutional codes 
    Forney, G. David, Jr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-06)
    Shearer and McEliece showed that there is no MacWilliams identity for the free distance spectra of orthogonal linear convolutional codes. We show that on the other hand there does exist a MacWilliams identity between the ...
  • Mad Dogs and Englishmen: Rabies in Britain, 1830–2000 
    Ritvo, Harriet (Cambridge University Press, 2009-06)
  • The Magellan Telescopes: A Performance Update 
    Palunas, Povilas; Floyd, David; Eychaner, Glenn; Osip, David J.; Schechter, Paul L. (SPIE, 2010-07)
    The Magellan Baade and Clay telescopes regularly produce images of ~0.5" in natural seeing. We review efforts to improve collimation, active optics response, and telescope guiding and pointing to optimize the performance ...
  • Mag-Foot: a steel bridge inspection robot 
    Asada, Harry; Mazumdar, Anirban (Institute of Electrical and Electronics Engineers, 2009-12)
    A legged robot that moves across a steel structure is developed for steel bridge inspection. Powerful permanent magnets imbedded in each foot allow the robot to hang from a steel ceiling powerlessly. Although the magnets ...
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