Готові списки джерел за темами / Similarity of structure

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Добірка наукової літератури з теми "Similarity of structure"

Автор: Grafiati
Опубліковано: 10 березня 2023

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Статті в журналах з теми "Similarity of structure"

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Peng Ding, Peng Ding, Dan Liu Peng Ding, Zhiyuan Zhang Dan Liu, Jie Hu Zhiyuan Zhang, and Ning Liu Jie Hu. "A Novel Discrimination Structure for Assessing Text Semantic Similarity." 網際網路技術學刊 23, no. 4 (July 2022): 709–17. http://dx.doi.org/10.53106/160792642022072304006.

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<p>Discrimination of semantic textual similarity refers to comparing the similarity between two or more entities (including words, short texts and documents) through certain strategies to obtain a specific quantitative similarity value. Traditional research put more experience into the similarity calculation of the original text content, using the matching degree or distance of characters or words as the yardstick to judge whether the text pairs are similar. However, there are still some problems to be solved in the following aspects: the key points of sentence meaning and word semantics, which play important role in the semantic expression of natural language, are not well integrated into the similarity discrimination, and the interactive features between texts are not fully utilized. To solve the above problems, this paper proposes a novel discrimination structure based on the Siamese Network model and the idea of text matching. In this structure, we introduce sentence meaning key information and word semantic information to realize the extraction of word interaction feature information, and then we realize the text vector representation by using Siamese BiLSTM. The experimental results showed that the accuracy of the proposed model is higher than that of the basic models.</p> <p>&nbsp;</p>
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2

Fukukawa, Tomoya, Kosuke Sekiyama, and Yasuhisa Hasegawa. "Vanishing point detection focusing on similarity structure in vineyard environments." Abstracts of the international conference on advanced mechatronics : toward evolutionary fusion of IT and mechatronics : ICAM 2015.6 (2015): 278–79. http://dx.doi.org/10.1299/jsmeicam.2015.6.278.

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Kang, Zhao, Xiao Lu, Yiwei Lu, Chong Peng, Wenyu Chen, and Zenglin Xu. "Structure learning with similarity preserving." Neural Networks 129 (September 2020): 138–48. http://dx.doi.org/10.1016/j.neunet.2020.05.030.

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4

Rypdal, Kristoffer, Jens Juul Rasmussen, and Knud Thomsen. "Similarity structure of wave-collapse." Physica D: Nonlinear Phenomena 16, no. 3 (July 1985): 339–57. http://dx.doi.org/10.1016/0167-2789(85)90013-2.

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Eva, Benjamin, Reuben Stern, and Stephan Hartmann. "The Similarity of Causal Structure." Philosophy of Science 86, no. 5 (December 2019): 821–35. http://dx.doi.org/10.1086/705566.

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Fletcher, Samuel C. "Similarity Structure and Emergent Properties." Philosophy of Science 87, no. 2 (April 1, 2020): 281–301. http://dx.doi.org/10.1086/707563.

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7

Chaudhari, N. S., and Xiangrui Wang. "Language Structure Using Fuzzy Similarity." IEEE Transactions on Fuzzy Systems 17, no. 5 (October 2009): 1011–24. http://dx.doi.org/10.1109/tfuzz.2009.2020155.

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8

Wang, Yong Fu, Qi Dou Zhou, Zhi Yong Xie, and Xiao Jun Lv. "An Investigation of Acoustic Similarity on an Underwater Structure." Applied Mechanics and Materials 105-107 (September 2011): 84–91. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.84.

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An acoustic similarity due to two geometrically similar structures which are vibrating in heavy flow, such as in water, is investigated. The acoustic similarity states that for two geometrically similar structures, if a group of dimensionless similarity numbers are constant, the dimensionless acoustic pressure coefficient keep constant at the corresponding acoustic field points for the two flow–loaded vibrating structure systems. Numerical simulations and experiment results are presented to validate the acoustic similarity. This acoustic similarity may be useful when a small structure is employed to investigate the acoustic performance of large scale structure.
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9

Bartlett, James C., and W. Jay Dowling. "Scale Structure and Similarity of Melodies." Music Perception 5, no. 3 (1988): 285–314. http://dx.doi.org/10.2307/40285401.

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Four experiments explored an asymmetry in the perceived similarity of melodies: If a first-presented melody is "scalar" (conforms to a diatonic major scale), and is followed by a second melody slightly altered to be " nonscalar" (deviating from a diatonic major scale), subjects judge similarity to be lower than if the nonscalar melody comes first. Experiment 1 produced evidence that asymmetric similarity is not due simply to more strongly scalar melodies having greater memorability. Experiment 2 ruled out the hypothesis that asymmetric similarity depends on a taskspecific strategy reflecting demand characteristics. Experiments 3 and 4 replicated asymmetric similarity while controlling the number of onesemitone intervals in scalar versus nonscalar melodies. The data are consistent with Garner's principles that stimuli are perceived with reference to sets of alternatives and that good stimuli have few alternatives. Specifically, when melodies are presented in scalar—nonscalar order, but not when presented in nonscalar-scalar order, the first melody evokes a small set of alternatives which the second melody often violates.
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10

MINAMI, Shintaro, and George CHIKENJI. "Non-sequential Structure Similarity in Proteins." Seibutsu Butsuri 56, no. 1 (2016): 027–29. http://dx.doi.org/10.2142/biophys.56.027.

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Дисертації з теми "Similarity of structure"

1

Jain, Pooja. "Protein Structure Similarity, Classification and Prediction." Thesis, University of Nottingham, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.523727.

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2

Lin, Shu. "An extendible hashing structure for image similarity searches." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0004/MQ59834.pdf.

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3

FAN, WEIGUO. "USING MOLECULAR SIMILARITY ANALYSIS FOR STRUCTURE-ACTIVITY RELATIONSHIP STUDIES." Kent State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=kent1353964351.

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Peterson, Mark Erik. "Evolutionary constraints on the structural similarity of proteins and applications to comparative protein structure modeling." Diss., Search in ProQuest Dissertations & Theses. UC Only, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3339202.

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5

Gil, Vallejo Lara. "Exploiting verb similarity for event modelling." Doctoral thesis, Universitat Oberta de Catalunya, 2020. http://hdl.handle.net/10803/668907.

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Aquest treball s'emmarca en l'àmbit del processament del llenguatge natural. Té l'objectiu d'explorar el potencial de la similitud verbal i, més concretament, de les classificacions verbals, a l'hora de capturar i modelitzar la informació bàsica relacionada amb l'expressió d'esdeveniments en espanyol. La tesi s'articula entorn de dos estudis que examinen la capacitat que té la similitud verbal de modelitzar la informació relativa als participants en esdeveniments. En primer lloc, elaborem una anàlisi de la similitud verbal amb relació a l'estructura argumental. Amb aquesta finalitat, partim de tres perspectives que tracten aquest tema: la lingüística teòrica, la lingüística de corpus i la psicolingüística, i analitzem com cadascuna defineix la similitud entre els verbs. Aquesta anàlisi ens serveix per a definir un conjunt de característiques lingüístiques i configuracions que s'apliquen en el segon estudi. Aquest estudi consisteix en la creació d'una classificació automàtica de sentits verbals amb l'ús d'un algorisme de clusterització (clustering). L'objectiu d'aquesta classificació és capturar l'estructura argumental dels verbs i reflectir-la en les classes, de tal manera que permeti modelitzar els participants en els esdeveniments expressats pels verbs. Les troballes ens permeten afirmar que la classificació verbal organitza la informació de manera que és capaç d'acomodar diferents aspectes de l'estructura argumental.
Este trabajo se enmarca dentro del ámbito del procesamiento del lenguaje natural. Su objetivo es explorar el potencial de la similitud verbal y, más concretamente, de las clasificaciones verbales, a la hora de capturar y modelizar la información básica relacionada con la expresión de acontecimientos en español. La tesis se articula en torno a dos estudios que examinan la capacidad de la similitud verbal para modelizar la información relativa a los participantes en acontecimientos. En primer lugar, elaboramos un análisis de la similitud verbal con relación a la estructura argumental. Para ello tomamos tres perspectivas que tratan este tema: la lingüística teórica, lingüística de corpus y la psicolingüística, y analizamos de qué modo cada una de ellas define la similitud entre los verbos. Este análisis nos sirve para definir un conjunto de características lingüísticas y configuraciones que se aplican en el segundo estudio. Este estudio consiste en la creación de una clasificación automática de sentidos verbales usando un algoritmo de agrupamiento (clustering). El objetivo de esta clasificación es capturar la estructura argumental de los verbos y reflejarla en las clases, de tal manera que permita modelizar a los participantes en los acontecimientos expresados por los verbos. Los hallazgos nos permiten afirmar que la clasificación verbal organiza la información de manera que es capaz de acomodar diferentes aspectos de la estructura argumental.
This paper aims to explore the potential of verb similarity, and more specifically of verb classifications, when it comes to capturing and modelling basic information related to events expressed in Spanish. The research is based on two studies that examine verb similarity's ability to model event participant information. We first perform a study of verb similarity with respect to argument structure, looking at its relevant characteristics through the lens of three different perspectives: linguistic theory, corpus linguistics and psycholinguistics. Based on this analysis, we choose the features and configurations to be explored in order to create an automatic classification of verb senses using a clustering algorithm. The aim of this automatic classification is to capture the argument structure of the verbs and apply it to the classifications in a way that allows us to adequately model the participants in the events expressed by those verbs. The evaluations carried out for this verb classification confirm automatic classifications' ability to capture and infer relevant information related to participants in events.
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Fiorini, Sandro Rama. "Similarity, structure and spaces : representation of part-whole relations in conceptual spaces." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/99303.

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Um dos principais desafios remanescentes em Inteligência Artificial é como fazer sistemas inteligentes ancorar abstrações de alto nível na realidade. Pelo menos parte do problema vai em direção da questão de qual arcabouço de representação é mais apropriado de maneira que facilite o reconhecimento de objetos. A cognição em animais, particularmente em humanos, pode dar pistas de como tal arcabouço de representação se parece. Estudos na cognição do reconhecimento de objetos sugere que o problema da representação na cognição incorpora informações a respeito de similaridade e informação holística-estrutural (i.e. todo-parte) a respeito de conceitos. Temos a visão de que sistemas computacionais que lidam com relações de todo-parte deveriam representar informações holístico-estruturais e similaridade. No entanto, não existe arcabouço de representação que permite tais informações serem representadas de forma integrada. Esta tese propõe um arcabouço de representação de informação de similaridade entre estruturas de todo-parte. Nossa proposta é baseada na teoria dos espaços conceituais. Estes são espaços matemáticos onde regiões e pontos representam conceitos e objetos respectivamente, tal que a distância entre estas entidades denota a sua similaridade. Na nossa proposta, todos e partes são representados em espaços conceituais distintos, chamados espaços holísticos e estruturais. Espaços holísticos permitem o julgamento de similaridade sistemático entre todos. Por outro lado, espaços estruturais permitem o julgamento de similaridade sistemático entre estrutura de partes. Um ponto em um espaço estrutural denota uma estrutura particular de partes; regiões neste espaço representam diferentes tipos de estruturas de parte. Através da redefinição de espaços conceituais como um produto de espaços holísticos e estruturais, nosso objetivo é permitir a representação de informações de similaridade entre diferentes todos, levando em consideração a similaridade entre partes compartilhadas e suas configurações. Esta tese tem três contribuições principais: uma teoria geral sobre espaços holísticos e estruturais; uma formalização da teoria fundada em produto de espaços métricos; e um algoritmo genérico para reconhecimento de objetos, implementando processamento holístico-estrutural.
One of main remaining challenges in Artificial Intelligence is how to make intelligent systems to ground high-level abstractions in reality. At least part of this problem comes down to the question of what representation framework is best suited in a way that facilitates object recognition. Animal cognition, particularly in humans, can give a clue of how such representation framework looks like. Studies on the cognition of object recognition suggests that representation in cognition incorporates similarity and holistic-structural (i.e. whole-part) information about concepts. We hold the view that computer systems dealing with part-whole relations should be able to represent similarity and holistic-structural information. However, there exists no representation framework that allows such information to be represented in an integrated way. This thesis proposes a concept representation framework for representing information about similarity between part-whole structures. We base our proposal on the theory of conceptual spaces, which are mathematical spaces where regions and points represent concepts and objects respectively, such that their distance denotes their similarity. In our proposal, parts and wholes are represented in distinct conceptual spaces called holistic and structure spaces. Holistic spaces allow for systematic similarity judgements between wholes. On the other hand, structure spaces allow for systematic similarity judgement between structures of parts. A point in the structure space denotes a particular part structure; regions in the space represent different general types of part structures. By redefining conceptual spaces as a product of holistic and structure spaces, our goal is to allow one to represent similarity information between different wholes, taking into consideration the similarity between shared parts and their configurations. This thesis has three main contributions: a general theory about holistic and structure spaces; a formulation of the theory founded on products of metric spaces; and a generic algorithm for object recognition implementing holistic-structural processing.
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Kast, Chris J. "Social Identity Similarity Effects on an Evaluation of Blame." Ohio University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1187124798.

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8

Widera, Paweł. "Automated design of energy functions for protein structure prediction by means of genetic programming and improved structure similarity assessment." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/11394/.

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The process of protein structure prediction is a crucial part of understanding the function of the building blocks of life. It is based on the approximation of a protein free energy that is used to guide the search through the space of protein structures towards the thermodynamic equilibrium of the native state. A function that gives a good approximation of the protein free energy should be able to estimate the structural distance of the evaluated candidate structure to the protein native state. This correlation between the energy and the similarity to the native is the key to high quality predictions. State-of-the-art protein structure prediction methods use very simple techniques to design such energy functions. The individual components of the energy functions are created by human experts with the use of statistical analysis of common structural patterns that occurs in the known native structures. The energy function itself is then defined as a simple weighted sum of these components. Exact values of the weights are set in the process of maximisation of the correlation between the energy and the similarity to the native measured by a root mean square deviation between coordinates of the protein backbone. In this dissertation I argue that this process is oversimplified and could be improved on at least two levels. Firstly, a more complex functional combination of the energy components might be able to reflect the similarity more accurately and thus improve the prediction quality. Secondly, a more robust similarity measure that combines different notions of the protein structural similarity might provide a much more realistic baseline for the energy function optimisation. To test these two hypotheses I have proposed a novel approach to the design of energy functions for protein structure prediction using a genetic programming algorithm to evolve the energy functions and a structural similarity consensus to provide a reference similarity measure. The best evolved energy functions were found to reflect the similarity to the native better than the optimised weighted sum of terms, and therefore opening a new interesting area of research for the machine learning techniques.
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Moffat, Kirstin. "Development of computational methods for 3D similarity and structure-based design techniques in lead optimisation." Thesis, University of Sheffield, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434521.

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10

Hauptfleisch, Daniel Benjamin. "The moderating effect of interview structure on race-group similarity effects in simulated interview ratings." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20166.

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Thesis (MComm)--Stellenbosch University, 2012.
ENGLISH ABSTRACT: This study investigated race-group similarity effects as a form of interviewer bias in selection interview ratings. Social Identity Theory predicts that interviewers would assign higher ratings to interviewees of the same social group (the so-called in-group) primarily through the mechanism of similarity attraction. Research findings up to now have lent only partial support to this hypothesis. This study argues that interview structure may help to explain inconsistent research findings since structure could inhibit the functioning of the similarity-attraction mechanism. The present research pursued two objectives, namely (1) to determine the degree to which race-group similarity (between interviewer and interviewee) exerts a biasing effect on selection interview dimension ratings, (2) to determine whether same-group bias increases when interview structure is experimentally diminished. This experimental study manipulated the degree of structure in interviews (high- and low-structured conditions) and compared the degree to which race group similarity effects were evident under each condition. Interviews were simulated by showing video-taped interview segments to a sample of participants and asking them to rate interview dimensions on rating scales that had been compiled to reflect the degree of structure in each condition. The data were analysed using Hierarchical Linear Modelling (HLM) and multiple regression analysis to determine whether similarity effects were present in the interview rating data. The results support the hypothesis that racial similarity effects are found under low-structured conditions, as well as the hypothesis that interview structure moderates the influence of similarity effects. However, racial similarity effects were also found with the highly structured condition. Although these effects were smaller than in the low-structured condition, they were statistically significant. Future research should attempt to replicate this study as a field study to test the generalisability of the findings.
AFRIKAANSE OPSOMMING: Hierdie studie ondersoek onderhoudvoerdersydigheid in die vorm van rasgroepsoortgelykheidseffekte in seleksie-onderhoudbeoordelings. Sosiale Identiteitsteorie voorspel dat onderhoudvoerders diegene van dieselfde rasgroep (die sogenaamde ingroep) met hoër beoordelingstellings sal aanslaan, primêr deur die werking van die soortgelykheidaangetrokkendheidsmeganisme. Navorsingsresultate tot op hede leen slegs gedeeltelike steun aan hierdie hipotese. Hierdie studie argumenteer dat die rede vir teenstrydige navorsingbevindinge moontlik die gevolg van die bemiddelende effek van onderhoudstruktuur kan wees, aangesien struktuur moontlik die funksionering van die soortgelykheid-aangetrokkendheidsmeganisme kan inperk. Die studie streef dus twee doelwitte na, nl. (1) om die mate waartoe rasgroepooreenstemming tussen die onderhoudvoerder en onderhoudnemer ’n sydige invloed op onderhouddimensietellings uitoefen te bepaal en (2) om te bepaal of soortgelykheidseffekte toeneem namate onderhoudstruktuur eksperimenteel verlaag word. ’n Eksperimentele ontwerp is gebruik waarbinne onderhoudstruktuur (hoog- en laag gestruktuurde toestande) in video-opnames van onderhoude nageboots is. ’n Groep beoordelaars het hierdie stimilusmateriaal beoordeel aan die hand van beoordelingskriteria wat opgestel is om die mate van struktuur binne elke toestand te reflekteer. Gevolglik is die mate van rasgroepsoortgelykheidseffekte binne elke struktuurtoestand vergelyk. Die navorsingsdata is met gebruik van Hiërargiese Lineêre Modellering (HLM) en veelvoudige regressie ontleed om die teenwoordigheid van soortgelykheidsydigheid te bepaal. Die resultate steun die hipotese dat rassoortgelykheidseffekte onder laaggestruktuurde toestande voorkom, asook dat onderhoudstruktuur ’n modererende rol speel. Nietemin is soortgelyke effekte ook onder die hoog gestruktuurde toestand gevind. Alhoewel hierdie effekte kleiner as onder die laaggestruktuurde toestand was, was dit steeds statisties beduidend. Toekomstige navorsing kan poog om ‘n soortgelyke ondersoek as ‘n veldstudie te onderneem om die moontlikheid van veralgemening van die resultate te bepaal.
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Книги з теми "Similarity of structure"

1

Borg, I., and J. Lingoes. Multidimensional Similarity Structure Analysis. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5.

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2

C, Lingoes James, ed. Multidimensional similarity structure analysis. New York: Springer-Verlag, 1987.

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3

1948-, Sen K. D., and Allan N. L, eds. Molecular similarity. Berlin: Springer-Verlag, 1995.

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4

A, Johnson Mark, Maggiora Gerald M, and American Chemical Society Meeting, eds. Concepts and applications of molecular similarity. New York: Wiley, 1990.

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5

Carbó, Ramón, and Paul G. Mezey. Advances in molecular structure. Greenwich, Conn: JAI Press, 1996.

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6

Pepperrell, Catherine. Three-dimensional chemical similarity searching. Taunton, Somerset, England: Research Studies Press, 1994.

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7

Ramon, Carbó, ed. Molecular similarity and reactivity: From quantum chemical to phenomenological approaches. Dordrecht: Kluwer Academic Publishers, 1995.

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8

Similarity and clustering in chemical information systems. Letchworth, Hertfordshire, England: Research Studies Press, 1987.

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9

Lorentz, K. On the local structure of the similarity orbits of Jordan elements in operator algebras. Saarbrücken: Universitas Saraviensis, 1989.

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10

Wu, Lisa K. Accelerating Similarly Structured Data. [New York, N.Y.?]: [publisher not identified], 2014.

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Частини книг з теми "Similarity of structure"

1

Borg, I., and J. Lingoes. "Construction of SSA Representations." In Multidimensional Similarity Structure Analysis, 1–11. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_1.

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Borg, I., and J. Lingoes. "Generalized and Metric Unfolding." In Multidimensional Similarity Structure Analysis, 155–71. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_10.

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Borg, I., and J. Lingoes. "Generalized SSA Procedures." In Multidimensional Similarity Structure Analysis, 172–88. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_11.

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4

Borg, I., and J. Lingoes. "Confirmatory SSA (1)." In Multidimensional Similarity Structure Analysis, 189–201. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_12.

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Borg, I., and J. Lingoes. "Confirmatory SSA (2)." In Multidimensional Similarity Structure Analysis, 202–18. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_13.

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Borg, I., and J. Lingoes. "Physical and Psychological Spaces." In Multidimensional Similarity Structure Analysis, 219–35. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_14.

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Borg, I., and J. Lingoes. "SSA as Multidimensional Scaling." In Multidimensional Similarity Structure Analysis, 236–49. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_15.

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Borg, I., and J. Lingoes. "Scalar Products." In Multidimensional Similarity Structure Analysis, 250–69. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_16.

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Borg, I., and J. Lingoes. "Matrix Algebra for SSA." In Multidimensional Similarity Structure Analysis, 270–91. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_17.

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Borg, I., and J. Lingoes. "Mappings of Data in Distances." In Multidimensional Similarity Structure Analysis, 292–308. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4768-5_18.

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Тези доповідей конференцій з теми "Similarity of structure"

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Torkanfar, Navid, and Ehsan Rezazadeh Azar. "Project Work Breakdown Structure Similarity Estimation Using Semantic and Structural Similarity Measures." In 37th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2020. http://dx.doi.org/10.22260/isarc2020/0141.

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Ruzhich, V. V., S. G. Psakhie, E. A. Levina, A. V. Dimaki, S. V. Astafurov, and E. V. Shilko. "Similarity in seismogeodynamics on different scales." In ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4932887.

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Galgonek, Jakub, and David Hokzsa. "On the Effectiveness of Distances Measuring Protein Structure Similarity." In 2009 Second International Workshop on Similarity Search and Applications (SISAP). IEEE, 2009. http://dx.doi.org/10.1109/sisap.2009.19.

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Chew, L. Paul. "Exact computation of protein structure similarity." In the twenty-second annual symposium. New York, New York, USA: ACM Press, 2006. http://dx.doi.org/10.1145/1137856.1137924.

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Kiani, Mahsa, C. Virendrakumar Bhavsar, and Harold Boley. "Structure Similarity of Attributed Generalized Trees." In 2014 IEEE International Conference on Semantic Computing (ICSC). IEEE, 2014. http://dx.doi.org/10.1109/icsc.2014.33.

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Luo, Qi. "A New Community Structure Detection Method Based on Structural Similarity." In 2011 Seventh International Conference on Computational Intelligence and Security (CIS). IEEE, 2011. http://dx.doi.org/10.1109/cis.2011.279.

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Redžepović, Izudin, and Boris Furtula. "ASSESSING STRUCTURAL SIMILARITY OF COMPOUNDS WITH PHYSIOLOGICAL RESPONSE: COMPARATIVE STUDY ON SIMILARITY METRICS." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac,, 2021. http://dx.doi.org/10.46793/iccbi21.446r.

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The idea of quantifying similarity between compounds may be traced back to the roots of contemporary chemoinformatics. At present, there is a number of coefficients that are used as similarity metrics. Many of them are defined as to measure coherence among two structural fingerprints, and usually yield similarity results between 0 and 1. However, there are indices that capture dissimilarity between molecular structures. This paper reports results on a comparative investigation of the several similarity coefficients on a set of compounds with the physiological responses. These molecules induce diverse body sensations that range from pleasant feelings up to euphoria and analgesia. Some of them are well-known drugs. In order to quantify molecular structure, Morgan circular fingerprints have been applied, which are frequently used in similarity calculations. This statistical analysis reveals which indices tend to produce higher structural similarity results and opposite.
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Papadopoulos, A. N., and Y. Manolopoulos. "Structure-based similarity search with graph histograms." In Proceedings. Tenth International Workshop on Database and Expert Systems Applications. DEXA 99. IEEE, 1999. http://dx.doi.org/10.1109/dexa.1999.795162.

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Lim, Mei Kuan, Ven Jyn Kok, Chen Change Loy, and Chee Seng Chan. "Crowd Saliency Detection via Global Similarity Structure." In 2014 22nd International Conference on Pattern Recognition (ICPR). IEEE, 2014. http://dx.doi.org/10.1109/icpr.2014.678.

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Jahnavi, S., K. Suvarna Vani, and K. Praveen Kumar. "Protein structure similarity using recurrence relation technique." In 2015 IEEE Conference on Computational Intelligence in Bioinformatics and Computational Biology (CIBCB). IEEE, 2015. http://dx.doi.org/10.1109/cibcb.2015.7300329.

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Звіти організацій з теми "Similarity of structure"

1

Rachele, Henry, Frank V. Hansen, Arnold Tunick, and Lisa Manguso. SuperMariah: A Similarity-Based Method for Determining Wind, Temperature, and Humidity Profile Structure in the Surface Boundary Layer. Fort Belvoir, VA: Defense Technical Information Center, June 1994. http://dx.doi.org/10.21236/ada283058.

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Markman, Arthur B., and Dedre Gentner. Evidence for Structural Alignment during Similarity Judgments. Fort Belvoir, VA: Defense Technical Information Center, April 1992. http://dx.doi.org/10.21236/ada257810.

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Naugle, Asmeret, Laura Swiler, Kiran Lakkaraju, Stephen Verzi, Christina Warrender, and Vicente Romero. Graph-Based Similarity Metrics for Comparing Simulation Model Causal Structures. Office of Scientific and Technical Information (OSTI), August 2022. http://dx.doi.org/10.2172/1884926.

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Tzfira, Tzvi, Michael Elbaum, and Sharon Wolf. DNA transfer by Agrobacterium: a cooperative interaction of ssDNA, virulence proteins, and plant host factors. United States Department of Agriculture, December 2005. http://dx.doi.org/10.32747/2005.7695881.bard.

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Agrobacteriumtumefaciensmediates genetic transformation of plants. The possibility of exchanging the natural genes for other DNA has led to Agrobacterium’s emergence as the primary vector for genetic modification of plants. The similarity among eukaryotic mechanisms of nuclear import also suggests use of its active elements as media for non-viral genetic therapy in animals. These considerations motivate the present study of the process that carries DNA of bacterial origin into the host nucleus. The infective pathway of Agrobacterium involves excision of a single-stranded DNA molecule (T-strand) from the bacterial tumor-inducing plasmid. This transferred DNA (T-DNA) travels to the host cell cytoplasm along with two virulence proteins, VirD2 and VirE2, through a specific bacteriumplant channel(s). Little is known about the precise structure and composition of the resulting complex within the host cell and even less is known about the mechanism of its nuclear import and integration into the host cell genome. In the present proposal we combined the expertise of the US and Israeli labs and revealed many of the biophysical and biological properties of the genetic transformation process, thus enhancing our understanding of the processes leading to nuclear import and integration of the Agrobacterium T-DNA. Specifically, we sought to: I. Elucidate the interaction of the T-strand with its chaperones. II. Analyzing the three-dimensional structure of the T-complex and its chaperones in vitro. III. Analyze kinetics of T-complex formation and T-complex nuclear import. During the past three years we accomplished our goals and made the following major discoveries: (1) Resolved the VirE2-ssDNA three-dimensional structure. (2) Characterized VirE2-ssDNA assembly and aggregation, along with regulation by VirE1. (3) Studied VirE2-ssDNA nuclear import by electron tomography. (4) Showed that T-DNA integrates via double-stranded (ds) intermediates. (5) Identified that Arabidopsis Ku80 interacts with dsT-DNA intermediates and is essential for T-DNA integration. (6) Found a role of targeted proteolysis in T-DNA uncoating. Our research provide significant physical, molecular, and structural insights into the Tcomplex structure and composition, the effect of host receptors on its nuclear import, the mechanism of T-DNA nuclear import, proteolysis and integration in host cells. Understanding the mechanical and molecular basis for T-DNA nuclear import and integration is an essential key for the development of new strategies for genetic transformation of recalcitrant plant species. Thus, the knowledge gained in this study can potentially be applied to enhance the transformation process by interfering with key steps of the transformation process (i.e. nuclear import, proteolysis and integration). Finally, in addition to the study of Agrobacterium-host interaction, our research also revealed some fundamental insights into basic cellular mechanisms of nuclear import, targeted proteolysis, protein-DNA interactions and DNA repair.
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Fairall, C. W., and R. J. Hill. Similarity in the Marine Atmospheric Surface Layer: The Role of Intermittency and Boundary-Layer Structures. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada629306.

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Shah, Ayesha, Jan Olek, and Rebecca S. McDaniel. Real Life Experience with Major Pavement Types. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317371.

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Pavement performance is a complex issue which depends on many contributing factors. Examining the performance of real-life pavements across the state determines what the actual service lives are for the pavements. For the purposes of this study, only selected LTPP projects were examined, along with a database containing all the historic repair projects completed in Indiana. Pertinent information present in the Indiana Historic Contracts Database was extracted concerning the types of pavement repair and treatments options commonly employed within the state, the time between repairs, etc. These data were used to determine descriptive statistical parameters and was summarized in graph form. Similarly, data about selected LTPP GPS and SPS sites were downloaded from the online website, LTPP InfoPave and a comparative study between companion sites was performed. These data included study site and pavement-related information, such as construction dates, pavement structure details, maintenance and repair history, and pavement distress surveys. These data were used to draw conclusions about the impact of treatment applications, climatic and geologic factors, traffic volume, and pavement structures on pavement performance. Gaps in knowledge about pavement failure modes, distress data, and effectiveness of treatment applications mentioned in the contracts database file hampered efforts to form a complete picture of the effectiveness of treatment options and their timely (or untimely) application. Similarly, details about pavement mixture design and differentiating factors between companion sites prevented researchers from narrowing down the causes leading to the observed pavement distress.
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McElwain, Terry, Eugene Pipano, Guy Palmer, Varda Shkap, Stephen Hines, and Douglas Jasmer. Protection of Cattle Against Babesiosis: Immunization with Recombinant DNA Derived Apical Complex Antigens of Babesia bovis. United States Department of Agriculture, June 1995. http://dx.doi.org/10.32747/1995.7612835.bard.

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Bovine babesiosis caused by Babesia bovis continues to be a significant deterrent to global livestock production. Current control methods have both biological and technical drawbacks that have stimulated research on improved methods of vaccination. This BARD project has focused on characterization of candidate Babesia bovis vaccine antigens located in the apical complex, a unique group of subcellular organelles - including rhoptries, micronemes, and spherical bodies - involved in the invation of erythrocytes. Spherical bodies and rhoptries were partially purified and their contents characterized using monoclonal antibodies. Existing and newly developed monoclonal antibodies bound to antigens in the spherical body, rhoptry, merozoite membrane, and infected erythrocyte membrane. In an initial immunization study using biologically cloned strains, it was demonstrated that strain-common epitopes are important for inducing immune protection against heterologous challenge. Rhoptry-associated antigen 1 (RAP-1) had been demonstrated previously to induce partial immune protection, fulfilled criteria of broad interstrain B and T cell epitope conservation, and thus was further characterized. The RAP-1 gene family consists of at least two gene copies, is homologous to the RAP-1 gene family in B. bigemina, and contains significant sequence similarity to other erythroparasitic protozoan candidate vaccine antigens, including the apical membrane antigen of Plasmodium falciparum. A new RAP-1 monoclonal antibody was developed that inhibits merozoite growth in vitro, demonstrating the presence of a RAP-1 neutralization sensitive domain. Based on these observations, cattle were immunized with Mo7 (Mexico) strain recombinant RAP-1 representing one of the two gene copies. All cattle responded with variable levels of serum antibodies inhibitory to heterologous Israel strain merozoite growth in vitro, and RAP-1 specific T lymphocytes that proliferated when stimulated with either homologous or heterologous native parasite antigen. Minimal protection from clinical disease was present after virulent Israel (heterologous) strain B. bovis challenge. In total, the results support the continued development of RAP-1 as a vaccine antigen, but indicate that additional information about the native structure and function of both RAP-1 gene copies, including the relationship of conserved and polymorphic sequences to B and T cell lepitopes relevant for protection, is necessary for optimization of RAP-1 as a vaccine component.
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Harris, L. B., P. Adiban, and E. Gloaguen. The role of enigmatic deep crustal and upper mantle structures on Au and magmatic Ni-Cu-PGE-Cr mineralization in the Superior Province. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328984.

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Анотація:
Aeromagnetic and ground gravity data for the Canadian Superior Province, filtered to extract long wavelength components and converted to pseudo-gravity, highlight deep, N-S trending regional-scale, rectilinear faults and margins to discrete, competent mafic or felsic granulite blocks (i.e. at high angles to most regional mapped structures and sub-province boundaries) with little to no surface expression that are spatially associated with lode ('orogenic') Au and Ni-Cu-PGE-Cr occurrences. Statistical and machine learning analysis of the Red Lake-Stormy Lake region in the W Superior Province confirms visual inspection for a greater correlation between Au deposits and these deep N-S structures than with mapped surface to upper crustal, generally E-W trending, faults and shear zones. Porphyry Au, Ni, Mo and U-Th showings are also located above these deep transverse faults. Several well defined concentric circular to elliptical structures identified in the Oxford Stull and Island Lake domains along the S boundary of the N Superior proto-craton, intersected by N- to NNW striking extensional fractures and/or faults that transect the W Superior Province, again with little to no direct surface or upper crustal expression, are spatially associated with magmatic Ni-Cu-PGE-Cr and related mineralization and Au occurrences. The McFaulds Lake greenstone belt, aka. 'Ring of Fire', constitutes only a small, crescent-shaped belt within one of these concentric features above which 2736-2733 Ma mafic-ultramafic intrusions bodies were intruded. The Big Trout Lake igneous complex that hosts Cr-Pt-Pd-Rh mineralization west of the Ring of Fire lies within a smaller concentrically ringed feature at depth and, near the Ontario-Manitoba border, the Lingman Lake Au deposit, numerous Au occurrences and minor Ni showings, are similarly located on concentric structures. Preliminary magnetotelluric (MT) interpretations suggest that these concentric structures appear to also have an expression in the subcontinental lithospheric mantle (SCLM) and that lithospheric mantle resistivity features trend N-S as well as E-W. With diameters between ca. 90 km to 185 km, elliptical structures are similar in size and internal geometry to coronae on Venus which geomorphological, radar, and gravity interpretations suggest formed above mantle upwellings. Emplacement of mafic-ultramafic bodies hosting Ni-Cr-PGE mineralization along these ringlike structures at their intersection with coeval deep transverse, ca. N-S faults (viz. phi structures), along with their location along the margin to the N Superior proto-craton, are consistent with secondary mantle upwellings portrayed in numerical models of a mantle plume beneath a craton with a deep lithospheric keel within a regional N-S compressional regime. Early, regional ca. N-S faults in the W Superior were reactivated as dilatational antithetic (secondary Riedel/R') sinistral shears during dextral transpression and as extensional fractures and/or normal faults during N-S shortening. The Kapuskasing structural zone or uplift likely represents Proterozoic reactivation of a similar deep transverse structure. Preservation of discrete faults in the deep crust beneath zones of distributed Neoarchean dextral transcurrent to transpressional shear zones in the present-day upper crust suggests a 'millefeuille' lithospheric strength profile, with competent SCLM, mid- to deep, and upper crustal layers. Mechanically strong deep crustal felsic and mafic granulite layers are attributed to dehydration and melt extraction. Intra-crustal decoupling along a ductile décollement in the W Superior led to the preservation of early-formed deep structures that acted as conduits for magma transport into the overlying crust and focussed hydrothermal fluid flow during regional deformation. Increase in the thickness of semi-brittle layers in the lower crust during regional metamorphism would result in an increase in fracturing and faulting in the lower crust, facilitating hydrothermal and carbonic fluid flow in pathways linking SCLM to the upper crust, a factor explaining the late timing for most orogenic Au. Results provide an important new dataset for regional prospectively mapping, especially with machine learning, and exploration targeting for Au and Ni-Cr-Cu-PGE mineralization. Results also furnish evidence for parautochthonous development of the S Superior Province during plume-related rifting and cannot be explained by conventional subduction and arc-accretion models.
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Tanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Application of Turbulent Transport Techniques for Quantifying Whole Canopy Evapotranspiration in Large Agricultural Structures: Measurement and Theory. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7592121.bard.

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Original objectives and revisions The original objectives of this research, as stated in the approved proposal were: 1. To establish guidelines for the use of turbulent transport techniques as accurate and reliable tool for continuous measurements of whole canopy ET and other scalar fluxes (e.g. heat and CO2) in large agricultural structures. 2. To conduct a detailed experimental study of flow patterns and turbulence characteristics in agricultural structures. 3. To derive theoretical models of air flow and scalar fluxes in agricultural structures that can guide the interpretation of TT measurements for a wide range of conditions. All the objectives have been successfully addressed within the project. The only modification was that the study focused on screenhouses only, while it was originally planned to study large greenhouses as well. This was decided due to the large amount of field and theoretical work required to meet the objectives within screenhouses. Background In agricultural structures such as screenhouses and greenhouses, evapotranspiration (ET) is currently measured using lysimeters or sap flow gauges. These measurements provide ET estimates at the single-plant scale that must then be extrapolated, often statistically or empirically, to the whole canopy for irrigation scheduling purposes. On the other hand, turbulent transport techniques, like the eddy covariance, have become the standard for measuring whole canopy evapotranspiration in the open, but their applicability to agricultural structures has not yet been established. The subject of this project is the application of turbulent transport techniques to estimate ET for irrigation scheduling within large agricultural structures. Major conclusions and achievements The major conclusions of this project are: (i) the eddy covariance technique is suitable for reliable measurements of scalar fluxes (e.g., evapotranspiration, sensible heat, CO2) in most types of large screenhouses under all climatic conditions tested. All studies resulted with fair energy balance closures; (ii) comparison between measurements and theory show that the model is capable in reliably predicting the turbulent flow characteristics and surface fluxes within screenhouses; (iii) flow characteristics within the screenhouse, like flux-variance similarity and turbulence intensity were valid for the application of the eddy covariance technique in screenhouses of relatively dilute screens used for moderate shading and wind breaking. In more dense screens, usually used for insect exclusions, development of turbulent conditions was marginal; (iv) installation of the sensors requires that the system’s footprint will be within the limits of the screenhouse under study, as is the case in the open. A footprint model available in the literature was found to be reliable in assessing the footprint under screenhouse conditions. Implications, both scientific and agricultural The study established for the first time, both experimentally and theoretically, the use of the eddy covariance technique for flux measurements within agricultural screenhouses. Such measurements, along with reliable theoretical models, will enable more accurate assessments of crop water use which may lead to improved crop water management and increased water use efficiency of screenhouse crops.
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Stakes, Keith, Keith Stakes, Julie Bryant, Nick Dow, Jack Regan, and Craig Weinschenk. Analysis of the Coordination of Suppression and Ventilation in Multi-Family Dwellings. UL Firefighter Safety Research Institute, June 2020. http://dx.doi.org/10.54206/102376/ympj4047.

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The majority of the existing full-scale fire service research studied the impact of tactics on the residential fireground, specifically in single-family structures. This study builds upon prior research by conducting thirteen experiments in three-story, multi-family dwellings to quantify the impact of coordination between ventilation and suppression actions. Experiments were conducted in four, garden-style apartment buildings; each of which had two lower-level units, four first-floor units, and four second-floor units. The apartments shared a common stairwell that was enclosed for all of the experiments in this study. To examine the effectiveness of tactics in the fire apartment, common stairwell and applicable exposure apartments, four experiments were conducted in lower-level apartments, seven were conducted in first-floor apartments, and two were conducted in second-floor apartments including both bedroom and kitchen/living room fires. The fire size varied based on the amount of initial ventilation provided. The main control variables included the location of initial water application, the ventilation method, and the timing of ventilation relative to water application. The suppression tactics included interior water application, exterior water application followed by interior water application, and a combined interior and exterior water application. The ventilation tactics examined in these experiments included horizontal, vertical, positive pressure, and hydraulic ventilation. Similar to previous experiments in acquired single-family structures, there was no meaningful increase in temperature outside of fire rooms when ventilation tactics were executed in close coordination with (shortly after or shortly before) the onset of suppression. In contrast, for experiments where ventilation occurred with delayed suppression, temperature exposures increased throughout the fire apartment, and in experiments where the apartment door was left open, temperatures and carbon monoxide exposures increased throughout the common stairwell. Suppression actions, whether interior or exterior, resulted in a decrease in temperatures and gas concentrations at locations where occupants may potentially be located. The enclosed common stairwell, a unique feature of this experimental series, acted as capture of combustion products. Opening the apartment door to gain access should be thought of as an important ventilation action, both in terms of its potential to cause fire growth and its potential for smoke movement into the stairwell, limiting the egress for potentially trapped occupants in exposure units. Tactics such as door control, positive pressure ventilation, and hydraulic ventilation which were used both simultaneous with and sequentially post-suppression were shown to limit gas flows into the stairwell. After effective suppression, structure ventilation operations should similarly be cognizant of gas flows, with the aim of establishing flow throughout all areas where occupants may be located.
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