Relevant bibliographies by topics / (QMAG)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic '(QMAG)'

Author: Grafiati
Published: 19 February 2023

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Journal articles on the topic "(QMAG)"

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Beigi, S. "NP vs QMA_\log(2)." Quantum Information and Computation 10, no. 1&2 (January 2010): 141–51. http://dx.doi.org/10.26421/qic10.1-2-10.

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Although it is believed unlikely that $\NP$-hard problems admit efficient quantum algorithms, it has been shown that a quantum verifier can solve NP-complete problems given a "short" quantum proof; more precisely, NP\subseteq QMA_{\log}(2) where QMA_{\log}(2) denotes the class of quantum Merlin-Arthur games in which there are two unentangled provers who send two logarithmic size quantum witnesses to the verifier. The inclusion NP\subseteq QMA_{\log}(2) has been proved by Blier and Tapp by stating a quantum Merlin-Arthur protocol for 3-coloring with perfect completeness and gap 1/24n^6. Moreover, Aaronson et al. have shown the above inclusion with a constant gap by considering $\widetilde{O}(\sqrt{n})$ witnesses of logarithmic size. However, we still do not know if QMA_{\log}(2) with a constant gap contains NP. In this paper, we show that 3-SAT admits a QMA_{\log}(2) protocol with the gap 1/n^{3+\epsilon}} for every constant \epsilon>0.
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Feng, Q., and W. H. Woodin. "P-points in Qmax models." Annals of Pure and Applied Logic 119, no. 1-3 (February 2003): 121–90. http://dx.doi.org/10.1016/s0168-0072(02)00036-2.

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Bookatz, Adam D. "QMA-complete problems." Quantum Information and Computation 14, no. 5&6 (May 2014): 361–83. http://dx.doi.org/10.26421/qic14.5-6-1.

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In this paper we give an overview of the quantum computational complexity class QMA and a description of known QMA-complete problems to date (The reader is invited to share more proven QMA-complete problems with the author). Such problems are believed to be difficult to solve, even with a quantum computer, but have the property that if a purported solution to the problem is given, a quantum computer would easily be able to verify whether it is correct. An attempt has been made to make this paper as self-contained as possible so that it can be accessible to computer scientists, physicists, mathematicians, and quantum chemists. Problems of interest to all of these professions can be found here.
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de Oliveira-Costa, Angelica, Max Tegmark, Mark J. Devlin, L. M. Haffner, Tom Herbig, Amber D. Miller, Lyman A. Page, Ron J. Reynolds, and S. L. Tufte. "Galactic Contamination in the QMAP Experiment." Astrophysical Journal 542, no. 1 (October 10, 2000): L5—L8. http://dx.doi.org/10.1086/312909.

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Nagaj, D., P. Wocjan, and Y. Zhang. "Fast amplification of QMA." Quantum Information and Computation 9, no. 11&12 (November 2009): 1053–68. http://dx.doi.org/10.26421/qic9.11-12-8.

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Given a verifier circuit for a problem in QMA, we show how to exponentially amplify the gap between its acceptance probabilities in the `yes' and `no' cases, with a method that is quadratically faster than the procedure given by Marriott and Watrous. Our construction is natively quantum, based on the analogy of a product of two reflections and a quantum walk. Second, in some special cases we show how to amplify the acceptance probability for good witnesses to 1, making a step towards the proof that QMA with one-sided error QMA_1 is equal to QMA. Finally, we simplify the filter-state method to search for QMA witnesses by Poulin and Wocjan.
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Aaronson, S. "On perfect completeness for QMA." Quantum Information and Computation 9, no. 1&2 (January 2009): 81–89. http://dx.doi.org/10.26421/qic9.1-2-5.

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Whether the class QMA (Quantum Merlin Arthur)\ is equal to QMA_1, or QMA with one-sided error, has been an open problem for years. This note helps to explain why the problem is difficult,\ by using ideas from real analysis to give a "quantum" relative to which QMA \neq QMA_1. As a byproduct, we find that there are facts about quantum complexity classes that are classically relativizing but not quantumly relativizing, among them such "trivial" containments as BQP \subseteq ZQEXP.
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Dziemba, Friederike Anna. "Robustness of QMA against witness noise." Quantum Information and Computation 17, no. 13&14 (November 2017): 1167–90. http://dx.doi.org/10.26421/qic17.13-14-6.

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Using the tool of concatenated stabilizer coding, we prove that the complexity class QMA remains unchanged even if every witness qubit is disturbed by constant noise. This result may not only be relevant for physical implementations of verifying protocols but also attacking the relationship between the complexity classes QMA, QCMA and BQP, which can be reformulated in this unified framework of a verifying protocol receiving a disturbed witness. While QCMA and BQP are described by fully dephasing and depolarizing channels on the witness qubits, respectively, our result proves QMA to be robust against 27% dephasing and 18% depolarizing noise.
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Kempe, J., and O. Regev. "3-Local Hamiltonian is QMA-complete." Quantum Information and Computation 3, no. 3 (May 2003): 258–64. http://dx.doi.org/10.26421/qic3.3-7.

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Gharibian, Sevag, Jamie Sikora, and Sarvagya Upadhyay. "QMA variants with polynomially many provers." Quantum Information and Computation 13, no. 1&2 (January 2013): 135–57. http://dx.doi.org/10.26421/qic13.1-2-8.

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We study three variants of multi-prover quantum Merlin-Arthur proof systems. We first show that the class of problems that can be efficiently verified using polynomially many quantum proofs, each of logarithmic-size, is exactly \class{MQA} (also known as QCMA), the class of problems which can be efficiently verified via a classical proof and a quantum verifier. We then study the class $\class{BellQMA}(\poly)$, characterized by a verifier who first applies unentangled, nonadaptive measurements to each of the polynomially many proofs, followed by an arbitrary but efficient quantum verification circuit on the resulting measurement outcomes. We show that if the number of outcomes per nonadaptive measurement is a polynomially-bounded function, then the expressive power of the proof system is exactly \class{QMA}. Finally, we study a class equivalent to \class{QMA}($m$), denoted $\class{SepQMA}(m)$, where the verifier's measurement operator corresponding to outcome {\it accept} is a fully separable operator across the $m$ quantum proofs. Using cone programming duality, we give an alternate proof of a result of Harrow and Montanaro [FOCS, pp. 633--642 (2010)] that shows a perfect parallel repetition theorem for $\class{SepQMA}(m)$ for any $m$.
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Gharibian, Sevag, and Julia Kempe. "Approximation Algorithms for QMA-Complete Problems." SIAM Journal on Computing 41, no. 4 (January 2012): 1028–50. http://dx.doi.org/10.1137/110842272.

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Dissertations / Theses on the topic "(QMAG)"

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Barreto, Ana Marta Fortunato. "Implementação da Técnica de Dessorção Térmica Programada (TPD) usando Espectrometria de Massa Quadrupolo." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6108.

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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do Grau de Mestre em Engenharia Física
O projecto “Implementação da Técnica de Dessorção Térmica Programada (TPD) usando Espectrometria de Massa Quadrupolo”, apresentado nesta Dissertação de Mestrado em Engenharia Física, surgiu como uma proposta de requalificação ao aparelho de análise de superfícies Multitécnica. A dessorção térmica é o fenómeno que permite a separação física de partículas que estejam depositadas numa superfície através do aumento de temperatura, e é por isso uma prática amplamente utilizada numa vasta gama de indústrias, tais como as indústrias de tratamento de solos e resíduos, de estudo de revestimentos de embalagens alimentares, tecidos, entre muitas outras. Porque é uma técnica com tão grande expressão de aplicações, o seu desenvolvimento e estudo conferem aos projectos de Engenharia Física nesta área um rumo útil e relevante para a nossa sociedade. No sentido se poder estudar a interacção física de partículas com uma dada superfície em função da temperatura, o projecto apresentado baseou-se então na implementação da técnica de Dessorção Térmica Programada no Multitécnica. Os objectivos principais foram desenvolver um sistema de controlo para o aquecimento duma amostra inserida na câmara principal do Multitécnica através de programação em LabView, ao mesmo tempo que é feito o registo da intensidade das partículas desorvidas durante o processo. A detecção das partículas desorvidas da amostra durante o aquecimento é feita através do espectrómetro de massa tipo Quadrupolo, já instalado no aparelho Multitécnica. Com a técnica TPD implementada fica aberta a possibilidade para se iniciar estudos importantes sobre a cinética da dessorção térmica de partículas, como por exemplo o estudo da temperatura de dessorção duma substância, assim como a sua energia de ligação à superfície da amostra.
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Wang, Chen. "QoE based Management and Control for Large-scale VoD System in the Cloud." Doctoral thesis, Research Showcase @ CMU, 2017. https://repositorio-aberto.up.pt/handle/10216/111886.

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The Cloud infrastructure has become an ideal platform for large-scale applications, such as Video-on-Demand (VoD). As VoD systems migrate to the Cloud, new challenges emerge. The complexity of the Cloud system due to virtualization and resource sharing complicates the Quality of Experience (QoE) management. Operational failures in the Cloud can lead to session crashes. In addition to the Cloud, there are many other systems involved in the large-scale video streaming. These systems include the Content Delivery Networks (CDNs), multiple transit networks, access networks, and user devices. Anomalies in any of these systems can affect users’ Quality of Experience (QoE). Identifying the anomalous system that causes QoE degradation is challenging for VoD providers due to their limited visibility over these systems. We propose to apply end user QoE in the management and control of large-scale VoD systems in the Cloud. We present a QoE-based management and control systems and validate them in production Clouds. QMan, a QoE based Management system for VoD in the Cloud, controls the server selection adaptively based on user QoE. QWatch, a scalable monitoring system, detects and locates anomalies based on the end-user QoE. QRank, a scalable anomaly identification system, identifies the anomalous systems causing QoE anomalies. The proposed systems are developed and evaluated in production Clouds (Microsoft Azure, Google Cloud and Amazon Web Service). QMan provides 30% more users with QoE above the “good” Mean Opinion Score (MOS) than existing server selection systems. QMan discovers operational failures by QoE based server monitoring and prevents streaming session crashes. QWatch effectively detects and locates QoE anomalies in our extensive experiments in production Clouds. We find numerous false positives and false negatives when system metric based anomaly detection methods are used. QRank identifies anomalous systems causing 99.98% of all QoE anomalies among transit networks, access networks and user devices. Our extensive experiments in production Clouds show that transit networks are the most common bottleneck causing QoE anomalies. Cloud provider should identify bottleneck transit networks and determine appropriate peering with Internet Service Providers (ISPs) to bypass these bottlenecks.
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Wang, Chen. "QoE Based Management and Control for Large-Scale VoD System in the Cloud." Research Showcase @ CMU, 2017. http://repository.cmu.edu/dissertations/1018.

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The Cloud infrastructure has become an ideal platform for large-scale applications, such as Video-on-Demand (VoD). As VoD systems migrate to the Cloud, new challenges emerge. The complexity of the Cloud system due to virtualization and resource sharing complicates the Quality of Experience (QoE) management. Operational failures in the Cloud can lead to session crashes. In addition to the Cloud, there are many other systems involved in the large-scale video streaming. These systems include the Content Delivery Networks (CDNs), multiple transit networks, access networks, and user devices. Anomalies in any of these systems can affect users’ Quality of Experience (QoE). Identifying the anomalous system that causes QoE degradation is challenging for VoD providers due to their limited visibility over these systems. We propose to apply end user QoE in the management and control of large-scale VoD systems in the Cloud. We present a QoE-based management and control systems and validate them in production Clouds. QMan, a QoE based Management system for VoD in the Cloud, controls the server selection adaptively based on user QoE. QWatch, a scalable monitoring system, detects and locates anomalies based on the end-user QoE. QRank, a scalable anomaly identification system, identifies the anomalous systems causing QoE anomalies. The proposed systems are developed and evaluated in production Clouds (Microsoft Azure, Google Cloud and Amazon Web Service). QMan provides 30% more users with QoE above the “good” Mean Opinion Score (MOS) than existing server selection systems. QMan discovers operational failures by QoE based server monitoring and prevents streaming session crashes. QWatch effectively detects and locates QoE anomalies in our extensive experiments in production Clouds. We find numerous false positives and false negatives when system metric based anomaly detection methods are used. QRank identifies anomalous systems causing 99.98% of all QoE anomalies among transit networks, access networks and user devices. Our extensive experiments in production Clouds show that transit networks are the most common bottleneck causing QoE anomalies. Cloud provider should identify bottleneck transit networks and determine appropriate peering with Internet Service Providers (ISPs) to bypass these bottlenecks.
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(9896135), BM Huang. "Computer model of the shaft kiln process at Queensland Magnesia (Operations) Pty. Ltd." Thesis, 1999. https://figshare.com/articles/thesis/Computer_model_of_the_shaft_kiln_process_at_Queensland_Magnesia_Operations_Pty_Ltd_/13459442.

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Huang, Yen-Ming, and 黃彥銘. "The Experimental Design for the Qmax Measurement by Dynamic Temperature-Tracing Method." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/14768133133273533836.

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碩士
國立清華大學
工程與系統科學系
94
The purpose of the thesis is to test the heat pipe maximum heat transfer rate (Qmax) of the electronics cooling system. Two test methods were compared with each other which were Traditional Standard Test Method and Dynamic-Temperature-Tracing Method (D.T.T.). A sensitivity study was also achieved by this thesis. In order to maintain axial temperature difference less than 10C and radial temperature difference less than 20C, a non-uniform power load was introduced into the evaporator. The non-uniform power load can let the heat homogeneously flow into the evaporator. The error of Qmax between Traditional Standard Test Method and Simulation result is under 10％ , and the error of Qmax between D.T.T Method and Simulation is under 15％. The results of D.T.T. show that in the same test period, when the condenser length is decreasing, then reduce the cooling water temperature would increase the accuracy. The lower temperature of the cooling water was implied a lower adiabatic temperature, then the Qmax was decreasing too and result in the decreasing of the test period. In addition, the test time of D.T.T. method can only increase 5% error equally by 5 minutes reductions to 2 minutes. Therefore, under the maintenance experiment result accuracy, the test time could reduce to 2 minutes.
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Razavi, Hessabi Mir Shahab Aldin. "A study of Qma, Qcma, and their oracle separation." 2009. http://purl.galileo.usg.edu/uga%5Fetd/razavi%5Fhessabi%5Fmir%5Fshahab%5Faldin%5F200912%5Fms.

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Thesis (M.S.)--University of Georgia, 2009.
Directed by E. Rodney Canfield. For abstract see https://getd.libs.uga.edu/pdfs/razavi%5Fhessabi%5Fmir%5Fshahab%5Faldin%5F200912%5Fms.pdf. Includes bibliographical references (leaves 42-44).
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Gama, João Rafael Mendes Fontes Serra da. "Relatório de Estágio Pedagógico Desenvolvido na Escola Secundária Dr. Joaquim de Carvalho, Junto da Turma do 8ºA no Ano Letivo 2020/2021." Master's thesis, 2021. http://hdl.handle.net/10316/97439.

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Relatório de Estágio do Mestrado em Ensino de Educação Física nos Ensinos Básico e Secundário apresentado à Faculdade de Ciências do Desporto e Educação Física
O Estágio Pedagógico tem como objetivo a aplicação dos conhecimentos e aprendizagens previamente adquiridos, que deverão garantir a melhoria da intervenção pedagógica dos futuros professores, como também sobressair as competências de resolução de problemas na conjuntura de intervenção profissional nos ensinos básicos e secundários.Torna-se importante realizar uma reflexão de todo o trabalho realizado ao longo deste ano letivo, dado todas as experiências e desafios vividos com vários profissionais que se apresentaram sempre recetivos a transmitir a sua experiência, críticas e sugestões de melhoria em relação às decisões e metodologias aplicadas.O documento aqui apresentado representa então um Relatório de Estágio, estando o mesmo inserido no âmbito da Unidade Curricular de Estágio Pedagógico, integrando-se no plano de estudos do 2º Ano do Mestrado em Ensino da Educação Física nos Ensinos Básico e Secundário da Faculdade de Ciências do Desporto e Educação Física da Universidade de Coimbra, no ano letivo 2020/2021.Todo o percurso realizado, assim como todas as tarefas desenvolvidas na Escola Secundária Dr. Joaquim de Carvalho, junto da turma do 8ºA, no âmbito da disciplina de Educação Física, foram supervisionadas por dois professores, sendo um deles professor orientador da escola supramencionada e um professor superintendente da FCDEF-UC.Este documento encontra-se estruturado em diversas secções: na primeira é efetuado um enquadramento, bem como uma contextualização daquilo que foi a prática pedagógica realizada, apresentando as expectativas iniciais do Estágio Pedagógico, as condições da escola e relação educativa. Na segunda parte é realizada uma reflexão desta prática pedagógica, abordando temas tais como o planeamento, a realização e também a avaliação. Na terceira parte é desenvolvido o tema/problema: “Comparação da motivação dos estudantes para a prática de Educação Física e Atividade Física antes e após o confinamento”.No desenrolar do tema/problema pode-se concluir que o confinamento teve um elevado impacto nas motivações verificadas pelos estudantes para a prática de Educação Física/Atividade Física.
The Pedagogical Internship aims to apply the knowledge and learning previously acquired, which should ensure the improvement of the pedagogical intervention of future teachers, as well as highlight the problem-solving skills at the juncture of professional intervention in primary and secondary education.It is important to reflect on all the work done during this school year, given all the experiences and challenges experienced with various professionals who have always been receptive to sharing their experience, criticism, and suggestions for improvement in relation to the decisions and methodologies applied.The document presented here represents an Internship Report, being inserted in the scope of the Pedagogical Internship Course Unit, integrated in the study plan of the 2nd Year of the Master's degree in Teaching of Physical Education in Primary and Secondary Education of the College of Sports Sciences and Physical Education of the University of Coimbra, in the academic year 2020/2021.The whole course, as well as all the tasks developed at Dr. Joaquim de Carvalho Secondary School, with the 8thA class, within the scope of Physical Education, were supervised by two professors, one of them being a mentor teacher of the aforementioned school and the other a superintendent teacher of FCDEF-UC.This document is structured in several sections: in the first, a framework is made, as well as a contextualization of what was the pedagogical practice carried out, presenting the initial expectations of the Pedagogical Internship, the conditions of the school and the educational relationship. In the second part, a reflection on this pedagogical practice is carried out, addressing topics such as planning, implementation and also evaluation. In the third part, the theme/problem is developed: “Comparison of student motivation to practice Physical Education and Physical Activity before and after confinement”.In the course of the theme/problem, it can be concluded that the confinement had a high impact on the motivations verified by the students for the practice of Physical Education/Physical Activity.
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Calhau, Ana Corina Martins. "Pesquisa de obras musicais por canto." Master's thesis, 2021. http://hdl.handle.net/10316/96042.

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Dissertação de Mestrado Integrado em Engenharia Electrotécnica e de Computadores apresentada à Faculdade de Ciências e Tecnologia
A identificação de músicas por canto, conhecida em inglês por "Query by Humming", consiste em extrair a melodia a partir do sinal de canto ("humming") e comparar a melodia extraída comum à base de dados de melodias conhecidas. É já há muitos anos um desafio na área de investigação em música, sendo os maiores problemas a comparação de um som monofónico com sons de uma base de dados polifónica, o que torna a extração de melodia pouco eficaz com a presença dos vários instrumentos musicais e a extração da base de dados (BD).Esta dissertação apresenta um algoritmo de procura por canto que tem por base uma BD construída e testada pela universidade espanhola Pompeu Fabra, denominada MTG, criada pelo "Music Tecnology Group".A MTG, disponibilizada para uso em trabalhos de investigação, que foi gravada por 17 pessoas, homens e mulheres, com diferentes níveis de experiência musical, podendo cantar com ou sem letra um excerto de músicas que conhecessem de entre algumas que que lhes foram apresentadas numa lista, sem limite de tempo nem restrições de que parte da música iriam cantar. A BD de referência foi criada por nós, usando as informações apresentadas pela MTG, onde sabíamos quais eram músicas de referência mas não tínhamos acesso aos seus ficheiros aúdio devido a direitos autorais.A seguinte dissertação faz então um resumo das abordagens a ser consideradas nomeadamente a implementação de DTW - "Dynamic Time Warping", muito utilizada nesta área, através do algoritmo Qmax que também é usado neste projeto.
Music identification by singing/humming, mostly known by Query by Humming, consists in extracting the melody from the singing signal ("humming") and comparing the common extracted melody to the database of known melodies. It has been a challenge in the area of music research for many years, the biggest problems being the comparison of a monophonic music with polyphonic music DB (database), which makes melody extraction ineffective with the presence of various musical instruments and the extraction of the database (DB).This dissertation presents a singing search algorithm based on a database built and tested by the Spanish University Pompeu Fabra, called MTG as it was created by the Music Technology Group. Music Technology Group (MTG), available for use in research work, was recorded by seventeen people, men and women, with different levels of musical experience, who could sing with or without lyrics an excerpt of songs they knew from among a few that were selected from a list, with no time limit or restrictions on what part of the song they would sing. The reference comic was created by us, using the information presented by Music Technology Group (MTG), where we knew which were reference songs but we didn't have access to their audio files due to copyright. The following dissertation then summarizes the approaches to be considered, namely the implementation of DTW - Dynamic Time Warping, widely used in this area, through the Qmax algoritthm that is also used in this project.
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Rocha, Cláudia Christina Mendes. "A motivação de adolescentes do ensino fundamental para a prática de educação física escolar." Master's thesis, 2009. http://hdl.handle.net/10400.5/2141.

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Mestrado em Psicologia do Desporto
O factor motivação tem sido foco de investigação tanto em relação à definição e aplicação deste componente no dia-a-dia das pessoas em diversas situações quanto para as situações aplicáveis na Educação Física escolar. Com o intuito de verificar a motivação para a prática da Educação Física por adolescentes dos anos finais do ensino fundamental - 6º ao 9º ano, a presente investigação utilizou o Questionário de Motivação para Actividades Despotivas (QMAD), adaptado por Serpa e Frias (1990) tendo a amostra sido composta por 368 alunos (179 meninos e 189 meninas) de escolas públicas e privadas da cidade de Cataguases-MG. Pela ordem, os motivos considerados mais importantes foram: Manter a forma; Trabalhar em equipa; Aprender novas técnicas; Fazer novas amizades; Fazer exercício; Espírito de equipa; Estar em boa condição física e Divertimento. Quanto ao género, verificamos que houve diferença significativa nos quesitos: Atingir um nível desportivo mais elevado, sendo este motivo mais relevantes para o sexo masculino e Viajar, Estar com os amigos e Influência da família, mais significativo para o sexo feminino.
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Lin, Chien Yu, and 林建妤. "軟體專案度量與分析流程規劃~發展QMAP方法." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/63034892858357398307.

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碩士
國立政治大學
資訊管理研究所
92
This research proposes a method called QMAP (Questions driven- Measurement and Analysis Process Planning) in order to meet goals and practices in Capability Maturity Model Integration (CMMI). QMAP is about 5W1H questions which begin with why, who, when, what, where and how. Before answering the 5W1H questions, we start with background analysis, goal analysis, and process analysis based on a sample company’s management context. Use Cases are then described as the formal information requirements of the MA process support system. In the implementation, we suggest to integrate some tools, such as MS Project, PSM Insight, and IBM Rational ClearQuest, to facilitate the measurement data collection and analysis activities during the software project development. After illustrating the implementation prototype, a checklist for self-appraisal is presented to identify the compliances of CMMI goals and practices, and the incomplete parts for future research extension.
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Books on the topic "(QMAG)"

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Jikʻiże, Jano. Mtʻvaris qma: Anu, Mravalseriani pʻilmi "Bao-bao!.." minišnebitʻ 16 clamde naxva akrżalulia ; romani. Tʻbilisi: "Lomisi", 2002.

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M, Quick David, Weaver William M, Armstrong Laboratory (U.S.), and Armstrong Laboratory (U.S.). Manpower and Personnel Research Division., eds. The Queuing Manpower Model (QMAN). Brooks Air Force Base, Tex: Armstrong Laboratory, Air Force Materiel Command, 1996.

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1929-1984, Tʻurmanauli Giorgi, and Mesxi Leila, eds. Kai qma: Giorgi Tʻurmanauli. Tʻbilisi: "Merani", 1999.

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Schneider, Christopher J. Making the case. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198796978.003.0006.

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Christopher J. Schneider explains how he uses Qualitative Media Analysis (QMA) to exploit the unconventional data generated by social media in general, and by (public) Twitter feeds in particular. QMA is a method for analysing systematically the documents (tweets, videos) that are produced by social media platforms, which have changed the ways in which we communicate with each other, and also how we communicate with, and about, organizations. Through social media, therefore, researchers have ready access to a range of novel information that is not easily accessed by other means. The approach is illustrated by a study of police–public relationships in Canada; researchers can find it difficult to access police organizations directly. Twitter gives police organizations a ‘new visibility’ which opens them to greater scrutiny. However, police now conduct ‘image work’ through tweets. This research also explored how police respond to recorded instances of violence and untoward conduct posted on YouTube.
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Book chapters on the topic "(QMAG)"

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Cordeiro, Robson L. F., Christos Faloutsos, and Caetano Traina Júnior. "QMAS." In Data Mining in Large Sets of Complex Data, 93–109. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4890-6_6.

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Grilo, Alex Bredariol, Iordanis Kerenidis, and Jamie Sikora. "QMA with Subset State Witnesses." In Mathematical Foundations of Computer Science 2015, 163–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48054-0_14.

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Rosgen, Bill. "Testing Non-isometry Is QMA-Complete." In Theory of Quantum Computation, Communication, and Cryptography, 63–76. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18073-6_6.

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Childs, Andrew M., David Gosset, and Zak Webb. "The Bose-Hubbard Model is QMA-complete." In Automata, Languages, and Programming, 308–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43948-7_26.

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Hiroka, Taiga, Tomoyuki Morimae, Ryo Nishimaki, and Takashi Yamakawa. "Certified Everlasting Zero-Knowledge Proof for QMA." In Advances in Cryptology – CRYPTO 2022, 239–68. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-15802-5_9.

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Shmueli, Omri. "Multi-theorem Designated-Verifier NIZK for QMA." In Advances in Cryptology – CRYPTO 2021, 375–405. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-84242-0_14.

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Morimae, Tomoyuki, and Takashi Yamakawa. "Classically Verifiable NIZK for QMA with Preprocessing." In Advances in Cryptology – ASIACRYPT 2022, 599–627. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-22972-5_21.

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Liu, Yi-Kai. "Consistency of Local Density Matrices Is QMA-Complete." In Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques, 438–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11830924_40.

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Coladangelo, Andrea, Thomas Vidick, and Tina Zhang. "Non-interactive Zero-Knowledge Arguments for QMA, with Preprocessing." In Advances in Cryptology – CRYPTO 2020, 799–828. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56877-1_28.

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Junnarkar, Aparna A., Y. P. Singh, and Vivek S. Deshpande. "QMAA: QoS and Mobility Aware ACO Based Opportunistic Routing Protocol for MANET." In Advances in Intelligent Systems and Computing, 63–72. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8676-3_6.

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Conference papers on the topic "(QMAG)"

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Gosset, David, and Daniel Nagaj. "Quantum 3-SAT Is QMA1-Complete." In 2013 IEEE 54th Annual Symposium on Foundations of Computer Science (FOCS). IEEE, 2013. http://dx.doi.org/10.1109/focs.2013.86.

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Prohaska, Stevan, Aleksandra Ilić, and Pavla Pekarova. "ASSESSMENT OF STATISTICAL SIGNIFICANCE OF HISTORIC DANUBE FLOODS." In XXVII Conference of the Danubian Countries on Hydrological Forecasting and Hydrological Bases of Water Management. Nika-Tsentr, 2020. http://dx.doi.org/10.15407/uhmi.conference.01.05.

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Data on historic floods along the Danube River exist since the year 1012. In the Middle Ages, floods were estimated based on historical documents, including original handwritten notes, newspaper articles, chronicles, formal letters, books, maps and photographs. From 1500 until the beginning of organized water regime observations, floods were hydraulically reconstructed based on water marks on old buildings in cities along the Danube (Passau, Melk, Emmersdorf an der Donau, Spilz, Schonbuhen and Bratislava). The paper presents a procedure for assessing the statistical significance of registered historic floods using a comprehensive method for defining theoretical flood hydrographs at hydrological stations. The approach is based on correlation analysis of two basic flood hydrograph parameters – maximum hydrograph ordinate (peak) and flood wave volume. The PROIL model is used to define the probability of simultaneous occurrence of these parameters. It defines the exceedance probability of two random variables, in the specific case two hydrograph parameters of the form: P{Qmax more equal to qmax,p)∩(Wmax more equal to wmax,p)} = P (1) where: Qmax – maximum hydrograph ordinate (peak); qmax,p – maximum discharge of the probability of occurrence p; Wmax – maximum hydrograph volume; wmax,p – maximum flood wave volume of the probability of occurrence p; P – exceedance probability. Spatial positions of the lines of exceedance of two flood hydrograph parameters and the empirical points of the corresponding parameters of the considered historic flood in the correlation field Qmax - Wmax, allow direct assessment of the exceedance probability of a historic flood, or its statistical significance. The proposed procedure was applied in practice to assess the statistical significance of the biggest floods registered along the Danube in the sector from its mouth to the Djerdap 1 Dam. The linear trend in the time-series of maximum annual flows at a representative hydrological station and the frequency of historic floods in the considered sector of the Danube are discussed at the end of the paper.
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Gharibian, Sevag, and Julia Kempe. "Approximation Algorithms for QMA-Complete Problems." In 2011 IEEE Annual Conference on Computational Complexity (CCC). IEEE, 2011. http://dx.doi.org/10.1109/ccc.2011.15.

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Broadbent, Anne, Zhengfeng Ji, Fang Song, and John Watrous. "Zero-Knowledge Proof Systems for QMA." In 2016 IEEE 57th Annual Symposium on Foundations of Computer Science (FOCS). IEEE, 2016. http://dx.doi.org/10.1109/focs.2016.13.

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Cordeiro, Robson L. F., Fan Guo, Donna S. Haverkamp, James H. Horne, Ellen K. Hughes, Gunhee Kim, Agma J. M. Traina, Caetano Traina Jr., and Christos Faloutsos. "QMAS: Querying, Mining and Summarization of Multi-modal Databases." In 2010 IEEE 10th International Conference on Data Mining (ICDM). IEEE, 2010. http://dx.doi.org/10.1109/icdm.2010.150.

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Sankaran, Subramanian, Jeffrey S. Allen, and Leonard Gumennik. "Electric Field Effects on the Stability of Vapor Microlayers: Enhancement of Heat Transfer." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42974.

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The effect of dc electric fields on destabilization of a vapor microlayer formed during film boiling at various subcooling levels is investigated. High voltage electric fields up to 2000 volts were applied between a 127 μm heater wire and a screen electrode that is concentrically placed at a radius of 25 mm. The qmax and qmin heat fluxes were also measured for the various subcooling and electric field strengths. Up to 50% increase in the qmax and the qmin heat fluxes were observed when using the electric fields in this range of experimental parameters. The relationship among subcooling level for a given fluid, the heat flux level, and the electric field strength required to reach the qmin condition is of interest. The preliminary experimental results and the bubble departure and transition boiling patterns resulting from destabilization of the vapor microlayer are discussed.
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Holtzki, L., B. Schnitzler, and R. Cox. "Quality Management And Service (QMAS) At The Energy Resources Conservation Board." In Annual Technical Meeting. Petroleum Society of Canada, 1993. http://dx.doi.org/10.2118/93-38.

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Abe, Yoshiyuki, Akira Nakajima, Yoshihiko Maeda, and Makoto Shimose. "Development of Plate Heat Pipes for the Thermal Management of Power Electronics." In ASME 2013 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ipack2013-73086.

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Plate heat pipes, 4.0mm × 40mm × 375mm, of maximum heat transfer capability, Qmax, of the order of hundred W have been developed for the thermal management in power electronic devices such as IGBT (Insulated Gate Bipolar Transistor), MOSFET (Metal Oxide Semiconductor Field Effect Transistor), et al. The thermal performance in both horizontal and vertical orientations were experimentally evaluated, and outstanding thermal performance of Qmax up to 600W in the vertical orientation and thermal resistance as low as 0.01K/W were confirmed. In addition to the heat pipes, thermosyphons of the same dimensions as the plate heat pipes were also fabricated and tested as a comparison. The plate heat pipes were then applied to the thermal management systems for a CPU in a 1-U server and for SiC power JFET, and stable and satisfactory cooling performance of the heat pipes for the electronics devices was demonstrated.
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Chan, Yao-Chen, and Wei-Keng Lin. "A Novel Quick Qmax Test Method and Experimental Investigation of Heat Pipes." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72379.

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In traditional heat pipe performance test, to keep an adiabatic temperature at a constant value, the evaporator wall temperature would be slowly increased when the thermal power was step input to the evaporator of the heat pipe. The maximum heat transfer rate (Qmax) was then defined that when the evaporator wall temperature rapidly increased at a certain amount of power input to the heat pipe. However, it is not easy to distinguish this sharp increased curve and sometimes result in the wrong Qmax data. In addition, it took too long for waiting the evaporator temperature approach to a steady state, thus this process could not use be for the fully check Qmax of the heat pipe. In this paper, we propose a novel quick test method to predict the maximum heat dissipation of the heat pipes namely Dynamic-Temperature-Tracing (D.T.T). The concept of the D.T.T was when we tracing the evaporator and the adiabatic wall temperature, these two temperature curves should be the same trend before the dry-out phenomena was occurred. Theoretically, when the dry-out start to occur in the heat pipe, the adiabatic temperature profile was no longer kept the same temperature profile as that of the evaporator. Hence, the maximum heat dissipate ability of the heat pipe was then easy to obtained at this measuring adiabatic temperature. The data were also compared with those obtained from the traditional standard method at the same equivalent evaporator length, condenser length and adiabatic temperature. In this experiments, sinter powder and groove heat pipes with diameter 6mm 8mm and 200mm length were selected as the capillary wick structure. Comparing with traditional method results, the errors of maximum heat transfer rate are less than 15%. The results also shown D.T.T. method is much fast and reliable compare with the traditional test method. This paper was also originally published as part of the Proceedings of the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems.
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Huang, Yichen. "2D Local Hamiltonian with Area Laws Is QMA-Complete." In 2020 IEEE International Symposium on Information Theory (ISIT). IEEE, 2020. http://dx.doi.org/10.1109/isit44484.2020.9174029.

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