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Journal articles on the topic 'Schumacher'

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Published: 4 June 2021
Last updated: 12 February 2022

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1

Schaeffer, Donna M., and Charles F. Piazza. "Schumacher Expanded." Business and Professional Ethics Journal 22, no. 2 (2003): 89–103. http://dx.doi.org/10.5840/bpej200322211.

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2

Hurtt, Steven W. "About Tom Schumacher." Journal of Architectural Education 63, no. 2 (2010): 141–42. http://dx.doi.org/10.1111/j.1531-314x.2010.01075.x.

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3

Targama, Katri, and Patrick Rang. "Exploring Schumacher and Popper." Philosophy of Management 10, no. 2 (2011): 41–52. http://dx.doi.org/10.5840/pom20111024.

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4

Munch, Regina. "Schumacher and the Socialists." Journal for Peace and Justice Studies 26, no. 2 (2016): 65–93. http://dx.doi.org/10.5840/peacejustice201626215.

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5

Schumacher, H. Christian. "DR. H. SCHUMACHER RESPONDS." Neurology Today 7, no. 15 (2007): 3. http://dx.doi.org/10.1097/01.nt.0000286905.24907.3d.

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6

Guerin, Frances. "Physically absent, visually present: Joachim Schumacher’s photographs of Germany’s Ruhr Valley." Journal of European Studies 47, no. 4 (2017): 392–410. http://dx.doi.org/10.1177/0047244117733899.

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This article examines the photographs of Joachim Schumacher for their vision of a landscape haunted by the forgotten, the silenced and the increasingly invisible lives erased by the re-articulation of Germany’s Ruhr region. The article places Schumacher’s work in relationship to post-war German photography, both that which imagines the memories of World War II and the Holocaust, as well as the 1980s urban photographs of the Düsseldorf School photographers. Within this context, Schumacher’s photographs are understood for their location of place and history on the revitalized Ruhr landscape. In addition, the article considers the photographs in relationship to the New Topographics to demonstrate their simultaneous placelessness. In this international context, Schumacher’s photographs can be seen as indicative of a European placelessness that has emerged in the wake of the closure of mining and industry.
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7

Oliveira, Julia Martins Dias de, Lucas Da Silva Cardoso, Laís Cândido Silva, Larissa Souza de Oliveira, Emanuel José Gomes de Araújo, and Marco Antonio Monte. "Quantificação de volume de árvores utilizando cubagem rigorosa, modelo de afilamento e modelo volumétrico." AGROPECUÁRIA CIENTÍFICA NO SEMIÁRIDO 16, no. 3 (2020): 134. http://dx.doi.org/10.30969/acsa.v16i3.1269.

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Este trabalho teve como objetivo comparar as estimativas de volume obtidas pelos modelos de Demaerschalk e Schumacher-Hall em relação ao volume real obtido pelo método de Smalian, em povoamentos de Eucalipto. Foram cubadas 108 árvores com idade de 7,5 anos. Os modelos ajustados foram os de Demaerschalk e Schumacher-Hall; a qualidade de ajuste foi realizada com base na diferença entre o volume real (Smalian) e o volume estimado. Foram calculados o BIAS, a raiz quadrada do erro médio (RQEM) e realizado o teste de betas, além do gráfico de resíduo normalizado. Os ajustes realizados apresentaram resultados satisfatórios, contudo o modelo de Demaerschalk, para volume total, apresentou diferença significativa para o teste de . Os modelos de Demaerschalk para seção e Schumacher-Hall, apresentaram estimativas mais próximas do volume real. Sendo Schumacher-Hall mais recomendado, devido a maior facilidade de realizar o ajuste.
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8

Sevilla García, Andrés María. "Introducción a E. F. Schumacher." Cuadernos de Administración 2, no. 3 (2011): 2–5. http://dx.doi.org/10.25100/cdea.v2i3.352.

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Un primer contacto con la acción y con el pensamiento de E. F. Schumacher lo obtuve al visitar profesionalmente algunas empresas europeas. Después me interesé por sus ideas y principios y los incorpore a mi trabajo docente y actividad asesora, de alguna manera. Me han pedido que divulgue algunas de sus ideas, que haga una especie de introducción esquemática a su pensamiento. Y voy a intentarlo. Los grandes temas de E.F. Schumacher son: - El mundo contemporáneo de la llamada producción económica. - Los recursos. - Los sistemas “orgánicos” de cultivo. - El tercer mundo y su verdadero desarrollo. Las organizaciones industriales, su administración y su propiedad.
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9

Spisak, April. "End Times by Anna Schumacher." Bulletin of the Center for Children's Books 67, no. 11 (2014): 593. http://dx.doi.org/10.1353/bcc.2014.0539.

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10

Tilghman, Shirley, and Chris Schoenherr. "Reply to Schumacher et al." Nature Genetics 19, no. 4 (1998): 325. http://dx.doi.org/10.1038/1498.

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11

Lundby, Carsten, and Paul Robach. "Reply to Schumacher et al." Journal of Applied Physiology 114, no. 10 (2013): 1363–64. http://dx.doi.org/10.1152/japplphysiol.00047.2013.

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12

Enders, W. "Dr. med.Otto Schumacher-Wandersleb1925-1996." Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin 06, no. 06 (1996): 250. http://dx.doi.org/10.1055/s-2008-1061940.

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13

Martaus, Alaine. "Amelia Unabridged by Ashley Schumacher." Bulletin of the Center for Children's Books 74, no. 5 (2020): 232. http://dx.doi.org/10.1353/bcc.2020.0953.

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14

Fischer-Hüftle, Peter. "Kratsch, Dietrich/Schumacher, Jochen: Naturschutzrecht." Natur und Recht 27, no. 9 (2005): 581. http://dx.doi.org/10.1007/s10357-005-0697-x.

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15

Sevilla García, Andrés María. "Patrones de asentamientos humanos." Cuadernos de Administración 2, no. 3 (2011): 26–46. http://dx.doi.org/10.25100/cdea.v2i3.355.

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Ernest Friedrich Schumacher (Reseña Andrés Sevilla) Durante los últimos cien años el patrón del asentamiento humano ha evolucionado hacia una “megalópolis” por una parte y una “vasta desocupación” por la otra. La disponibilidad de combustible fósil barato y abundante ha hecho esto posible, escribe E. F. Schumacher. El señala que el modelo actual puede que tenga que cambiar, y que este cambio requiera un cambio en tecnología.
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16

Linthout, Kees, and Wim J. Lustenhouwer. "Subsilicic sodium gedrite in leptite of quartz keratophyric origin, Nordmark (Sweden)." Mineralogical Magazine 60, no. 399 (1996): 379–87. http://dx.doi.org/10.1180/minmag.1996.060.399.13.

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The Mg—Fe orthoamphibole series □ (Mg, Fe)7Si8O22(OH)2 — Na(Mg, Fe)5- Al2Si5Al3O22(OH)2 has an open end in the sense that the Si5 end member has not been found in nature; tiny domains of near end–member composition in intricately zoned crystals (Schumacher, 1980; Robinson et al. 1982), appeared to be intergrowths of two different double-chain silicates (Schumacher, pers. comm., 1994).
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17

SHENG, MAO-LING, and JOHN T. JENNINGS. "Ichnoverruca nom. nov., a replacement name for the genus Verruca Sheng & Sun, 2018 (Hymenoptera, Ichneumonidae) non Schumacher, 1817." Zootaxa 4577, no. 2 (2019): 392. http://dx.doi.org/10.11646/zootaxa.4577.2.11.

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The name Verruca was proposed for a new genus of wasps described by Sheng & Sun (2018) with the type species Verruca dentia Sheng & Sun, 2018 in the family Ichneumonidae (Hymenoptera). However, it cannot be used as a valid generic name due to homonymy as the genus Verruca was established by Schumacher (1817) in the barnacle family Verrucidae (Cirripedia, Verrucomorpha). Verruca Schumacher is a valid generic name in Verrucomorpha.
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18

Jakab, Èva. "Leonhard Schumacher, Sklaverei in der Antike." Zeitschrift der Savigny-Stiftung für Rechtsgeschichte. Romanistische Abteilung 119, no. 1 (2002): 432–38. http://dx.doi.org/10.7767/zrgra.2002.119.1.432.

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19

Laporte, N. "Der junge Kurt Schumacher 1895-1933." English Historical Review 117, no. 471 (2002): 431–32. http://dx.doi.org/10.1093/ehr/117.471.431.

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20

Leonard, Robert. "E. F. Schumacher and Intermediate Technology." History of Political Economy 50, S1 (2018): 249–65. http://dx.doi.org/10.1215/00182702-7033968.

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21

Schumacher, J., and B. Blagburn. "J. Schumacher and B. Blagburn comment." Veterinary Record 165, no. 3 (2009): 92. http://dx.doi.org/10.1136/vetrec.165.3.92.

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22

NEWTON, L. J. "Review. Zola: 'Therese Raquin'. Schumacher, Claude." French Studies 46, no. 1 (1992): 88. http://dx.doi.org/10.1093/fs/46.1.88.

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23

Sumrall, Colin D. "A new species of Anartiocystis (Callocystitida, Glyptocystitida) from the Brassfield Formation of central Kentucky." Journal of Paleontology 76, no. 5 (2002): 918–20. http://dx.doi.org/10.1017/s0022336000037604.

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The Echinoderm fauna of the Brassfield Formation (Lower Silurian, Early to Middle Llandoverian) contains more than 30 species and is locally common in southern Ohio making it one of the most important Early Silurian faunas known (Foerste, 1919, 1936; Ausich, 1984a, 1984b, 1985, 1986a, 1986b, 1986c, 1987; Ausich and Schumacher, 1984; Ausich and Dravage, 1988). At present, the Brassfield Formation has produced two callocystitid rhombiferans including Brockocystis nodosarius Foerste (1919) and Anartiocystis foerstei Ausich and Schumacker (1984). Neither of these taxa is well-known, being described from a handful of moderately well to poorly preserved specimens each. The discovery of Anartiocystis whitei n. sp., the third callocystitid species known from the Brassfield Formation and second known species of the genus, greatly clarifies the morphology of the genus adding significant information on the plating of the ambulacra and stem.
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24

Angulo, Romina, Giancarlo Giancarlo, Ángeles Licas, Sara López, and Rocío Rojas. "¡Recórcholis, Batman!: el el legado del personaje de Adam West en el cine de Burton y de Schumacher." CineScrúpulos 7, no. 2 (2020): 77–82. http://dx.doi.org/10.19083/cinescrupulos.v7i2.1262.

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El personaje de Batman apareció por primera vez publicado en 1939 y se caracterizó por ser un héroe nocturno en un mundo lleno de color. El presente textointenta explorar si la adaptación televisiva de 1966 ha tenido una fuerte influencia en la propuesta cinematográfica de las películas del héroe alado dirigidas por Tim Burton y por Joel Schumacher. Se toma como eje lo plástico y la construcción de los personajes, pero también el aporte estético de los directores: la oscuridad en el caso de Burton o la exageración en las películas de Schumacher.
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25

Shor, P. W. "The classical capacity achievable by a quantum channel assisted by limited entanglement." Quantum Information and Computation 4, no. 6&7 (2004): 537–45. http://dx.doi.org/10.26421/qic4.6-7-12.

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We give the trade-off curve showing the capacity of a quantum channel as a function of the amount of entanglement used by the sender and receiver for transmitting information. The endpoints of this curve are given by the Holevo-Schumacher-Westmoreland capacity formula and the entanglement-assisted capacity, which is the maximum over all input density matrices of the quantum mutual information. The proof we give is based on the Holevo-Schumacher-Westmoreland formula, and also gives a new and simpler proof for the entanglement-assisted capacity formula.
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26

Silva, Mayra Luiza Marques da, Daniel Henrique Breda Binoti, José Marinaldo Gleriani, and Helio Garcia Leite. "Ajuste do modelo de Schumacher e Hall e aplicação de redes neurais artificiais para estimar volume de árvores de eucalipto." Revista Árvore 33, no. 6 (2009): 1133–39. http://dx.doi.org/10.1590/s0100-67622009000600015.

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Objetivou-se, neste trabalho, avaliar o ajuste do modelo volumétrico de Schumacher e Hall por diferentes algoritmos, bem como a aplicação de redes neurais artificiais para estimação do volume de madeira de eucalipto em função do diâmetro a 1,30 m do solo (DAP), da altura total (Ht) e do clone. Foram utilizadas 21 cubagens de povoamentos de clones de eucalipto com DAP variando de 4,5 a 28,3 cm e altura total de 6,6 a 33,8 m, num total de 862 árvores. O modelo volumétrico de Schumacher e Hall foi ajustado nas formas linear e não linear, com os seguintes algoritmos: Gauss-Newton, Quasi-Newton, Levenberg-Marquardt, Simplex, Hooke-Jeeves Pattern, Rosenbrock Pattern, Simplex, Hooke-Jeeves e Rosenbrock, utilizado simultaneamente com o método Quasi-Newton e com o princípio da Máxima Verossimilhança. Diferentes arquiteturas e modelos (Multilayer Perceptron MLP e Radial Basis Function RBF) de redes neurais artificiais foram testados, sendo selecionadas as redes que melhor representaram os dados. As estimativas dos volumes foram avaliadas por gráficos de volume estimado em função do volume observado e pelo teste estatístico L&O. Assim, conclui-se que o ajuste do modelo de Schumacher e Hall pode ser usado na sua forma linear, com boa representatividade e sem apresentar tendenciosidade; os algoritmos Gauss-Newton, Quasi-Newton e Levenberg-Marquardt mostraram-se eficientes para o ajuste do modelo volumétrico de Schumacher e Hall, e as redes neurais artificiais apresentaram boa adequação ao problema, sendo elas altamente recomendadas para realizar prognose da produção de florestas plantadas.
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27

Griffith, William E., and Willy Albrecht. "Kurt Schumacher: Reden--Schriften--Korrespondenzen 1945-1952." American Historical Review 92, no. 3 (1987): 696. http://dx.doi.org/10.2307/1869997.

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28

Parr, Jim. "The Schumacher Lectures, Volumes 1 and 2." Chesterton Review 13, no. 2 (1987): 259–61. http://dx.doi.org/10.5840/chesterton198713270.

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29

Ileto, Reynaldo C., Vicente L. Rafael, Coeli Barry, Francis A. Gealogo Chair, Maricor M. Baytion, and Filomeno V. Aguilar. "Rev. John N. Schumacher SJ, 1927–2014." Philippine Studies: Historical and Ethnographic Viewpoints 62, no. 2 (2014): 297–308. http://dx.doi.org/10.1353/phs.2014.0014.

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30

Phillimore, John. "Schumpeter, Schumacher and the Greening of Technology." Technology Analysis & Strategic Management 13, no. 1 (2001): 23–37. http://dx.doi.org/10.1080/09537320120040428.

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31

Corrywright, Dominic. "Network spirituality: The Schumacher-resurgence-Kumar nexus." Journal of Contemporary Religion 19, no. 3 (2004): 311–27. http://dx.doi.org/10.1080/1353790042000266336.

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32

Toye, J. "The world improvement plans of Fritz Schumacher." Cambridge Journal of Economics 36, no. 2 (2011): 387–403. http://dx.doi.org/10.1093/cje/ber035.

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33

Hamill, R. W., and J. F. Kurtzke. "George A. Schumacher, MD, FAAN (1912-2008)." Neurology 72, no. 11 (2009): 954. http://dx.doi.org/10.1212/01.wnl.0000344570.90113.07.

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34

Ritchie, Martin W. "Relating Stocking and Density for Natural Regeneration of Conifers in Northern California." Forest Science 66, no. 5 (2020): 521–25. http://dx.doi.org/10.1093/forsci/fxaa005.

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Abstract Natural regeneration cannot be effectively evaluated by tree density because of spatial heterogeneity typically observed. A proper interpretation of natural regeneration will consider some evaluation of area stocked. However, stocking estimates for natural regeneration are plot-size-dependent. Stocking at the 1-milacre scale is not generally comparable to that on a 4-milacre scale unless a generalized relation with stand density can be established. A generalized relation was first suggested to hold in a paper by Lynch and Schumacher (1941), but this has not been confirmed in subsequent studies. The Lynch and Schumacher hypothesis of a generalized regeneration density-stocking relation across plot size was tested using observations on 60 stands. Results were consistent with Lynch and Schumacher (1941). With evidence of a well-defined relation for plots ranging from 1 to 10 milacres, it appears possible to approximate, for ponderosa pine and associated species, the natural regeneration stocking percentage for a range of stocking standards based solely on observations of regeneration density. Confidence intervals were derived for a range of stocking standards in English units from 1 to 10 milacre and for metric units from 0.0005 hectares to 0.0040 hectares.
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35

Gómez-Tejero, Joaquín, Héctor M. De los Santos-Posadas, Aurelio M. Fierros-González, and J. René Valdez-Lazalde. "MODELOS DE CRECIMIENTO EN ALTURA DOMINANTE PARA Eucalyptus grandis Hill ex Maiden y E. urophylla S. T. Blake EN OAXACA, MÉXICO." Revista Fitotecnia Mexicana 32, no. 2 (2009): 161–69. http://dx.doi.org/10.35196/rfm.2009.2.161-169.

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Un grupo de familias de curvas de índice de sitio basados en los modelos de Schumacher y Hossfeld IV se ajustaron con mínimos cuadrados ordinarios a datos de plantaciones de Eucalyptus grandis y E. urophylla de rápido crecimiento en el sureste de México. Con datos de la primera remedición se validaron las proyecciones de las familias de índice de sitio obtenidas a partir de Schumacher y Hossfeld IV. El crecimiento en altura dominante para E. grandis se estimó más eficientemente con la familia anamórfica derivada de Hossfeld IV, mientras que para E. urophylla se estimaron mejor con la familia polimórfica 1 de Hossfeld IV.
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Sales, Francisco Das Chagas Vieira, José Antonio Aleixo da Silva, Rinaldo Luiz Caraciolo Ferreira, and Fernando Henrique de Lima Gadelha. "AJUSTES DE MODELOS VOLUMÉTRICOS PARA O CLONE Eucalyptus grandis x E. urophylla CULTIVADOS NO AGRESTE DE PERNAMBUCO." FLORESTA 45, no. 4 (2015): 663. http://dx.doi.org/10.5380/rf.v45i4.37594.

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O presente trabalho teve como objetivo avaliar o ajuste de modelos volumétricos para um clone de Eucalyptus usando distribuição normal e t-Student, utilizando dados de um experimento implantado no Instituto Agronômico de Pernambuco (IPA) em São Bento do Una, PE. Para o ajuste dos modelos volumétricos de Silva e Bailey modificado, Chapman e Richard modificado, Schumacher e Hall e, Brody modificado, foram utilizados dados de 62 árvores cubadas rigorosamente pelo método de Smalian. Os critérios usados nas comparações das equações foi o valor ponderado (VP) entre o Índice de Ajuste corrigido (IAc) e o erro percentual absoluto médio (EPAM). De acordo com os resultados o modelo que mostrou melhores ajustes nas duas distribuições foi o de Schumacher e Hall, com melhores ajuste quando da distribuição t-Student. A distribuição t-Student promoveu melhorias nos ajustes das equações em relação à distribuição Normal, quando comparando as duas distribuições em cada equação.AbstractAdjustment of volumetric models for clone of Eucalyptus grandis x E. Urophylla grown on agreste, Pernambuco. This research aimed to evaluate the volumetric models fitting for Eucalyptus clone using normal and t-Student distributions, based on data from an experiment implanted at the Agronomic Institute of Pernambuco (IPA) in São Bento do Una, PE. In order to set the modified volumetric models of Silva and Bailey, modified Chapman and Richard, Schumacher and Hall, and modified Brody, we used data from 62 trees rigorously scaled by Smalian method. The criteria for equation comparing were the weighted value (PV) between the corrected index adjustment (IAc) and absolute mean error percentage (EPAM). According to the results, the model that best fits for the two distributions is Schumacher and Hall, with better adjustment related to the Student-t distribution. The t-Student distribution promoted improvements of equations regarding the Normal distribution, compared to the two distributions per equation.Keywords: Forest management; symmetric distributions; volume equations.
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Gourley, Jonathan J., and Humberto Vergara. "Comments on “Flash Flood Verification: Pondering Precipitation Proxies”." Journal of Hydrometeorology 22, no. 3 (2021): 739–47. http://dx.doi.org/10.1175/jhm-d-20-0215.1.

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AbstractNew operational tools for monitoring flash flooding based on radar quantitative precipitation estimates (QPEs) have become available to U.S. National Weather Service forecasters. Herman and Schumacher examined QPE exceedance thresholds for several tools and compared them to each other, to flash flood reports (FFRs), and to flash flood warnings. The Next Generation Radar network has been updated with dual-polarization capabilities since the publication of Herman and Schumacher, which has changed the characteristics of the derived QPEs. Updated thresholds on Multi-Radar Multi-Sensor version 12 products that are associated to FFRs are provided and thus can be used as guidance by the operational forecasting community and other end-users of the products.
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38

Teixeira Martins, Matheus, Emanuel Arnoni Costa, and Gabriel Paes Marangon. "ESTIMATIVAS VOLUMÉTRICAS EM PLANTIOS DE EUCALIPTO PARA DUAS MESORREGIÕES DO RIO GRANDE DO SUL." BIOFIX Scientific Journal 6, no. 1 (2021): 28. http://dx.doi.org/10.5380/biofix.v6i1.75708.

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O volume de árvores é a variável de maior interesse florestal, sendo possível estima-la por várias técnicas, sendo a modelagem a mais usual. Portanto, o presente estudo teve como objetivo ajustar, validar e selecionar o melhor modelo volumétrico para árvores de Eucalyptus grandis W. Hill. ex Maiden de plantios em duas mesorregiões do estado do Rio Grande do Sul. Para isso, 791 árvores foram cubadas pelo método da Smalian e separadas em grupos de ajuste (≈74%) e validação (≈26%). Três modelos foram testados: (Husch) v = β0 × dapβ1 × εi; (Schumacher e Hall) v = β0 × dapβ1 × hβ2 × εi; (Schumacher e Hall modificado) v = β0 × dapβ1 × hβ2 × h100β3 × εi. Os modelos foram avaliados de acordo com os seguintes critérios: coeficiente de determinação ajustado (R² aj.), raiz quadrada do quadrado médio do erro em porcentagem (RMSE%) e análise gráfica dos resíduos em porcentagem (E%). De acordo com o teste χ2 à 5 % de probabilidade, não houve diferença significativa entre as estimativas volumétricas para as três equações com e sem casca quando confrontados com os volumes reais. O modelo de Schumacher e Hall modificado apresentou melhores resultados e tem maior destaque por utilizar a variável de altura dominante de Assmann (h100) que caracteriza o sítio florestal e com possibilidade de ampla utilização.
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39

Haftendorn, Helga. "Merseburger, Peter. Kurt Schumacher: Patriot, Volkstribun, Sozialdemokrat. Biographie." Politische Vierteljahresschrift 52, no. 2 (2011): 334–37. http://dx.doi.org/10.5771/0032-3470-2011-2-334.

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40

Kaplinsky, Raphael. "Schumacher meets Schumpeter: Appropriate technology below the radar." Research Policy 40, no. 2 (2011): 193–203. http://dx.doi.org/10.1016/j.respol.2010.10.003.

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41

Hession, Charles H. "E. F. Schumacher as Heir to Keynes' Mantle." Review of Social Economy 44, no. 1 (1986): 1–12. http://dx.doi.org/10.1080/758537479.

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42

Doswald, Herman K. "Ernst Schumacher: Berliner Kritiken. Band III 1974-1979." GDR Bulletin 12, no. 2 (1986): 54–56. http://dx.doi.org/10.4148/gdrb.v12i2.781.

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Sobek, Werner, and Holger Hinz. "Der Neubau des Emil-Schumacher-Museums in Hagen." Stahlbau 79, S1 (2010): 30–33. http://dx.doi.org/10.1002/stab.201001297.

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JACOBS, KURT. "LIMITATION ON THE ACCESSIBLE INFORMATION FOR QUANTUM CHANNELS WITH INEFFICIENT MEASUREMENTS." International Journal of Quantum Information 03, supp01 (2005): 87–95. http://dx.doi.org/10.1142/s0219749905001274.

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To transmit classical information using a quantum system, the sender prepares the system in one of a set of possible states and sends it to the receiver. The receiver then makes a measurement on the system to obtain information about the senders choice of state. The amount of information which is accessible to the receiver depends upon the encoding and the measurement. Here we derive a bound on this information which generalizes the bound derived by Schumacher, Westmoreland and Wootters [Schumacher, Westmoreland and Wootters, Phys. Rev. Lett. 76, 3452 (1996)] to include inefficient measurements, and thus all quantum operations. This also allows us to obtain a generalization of a bound derived by Hall [Hall, Phys. Rev. A 55, 100 (1997)], and to show that the average reduction in the von Neumann entropy which accompanies a measurement is concave in the initial state, for all quantum operations.
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Cunha Neto, Ernandes Macedo da, Marks Melo Moura, Emmanoella Costa Guaraná Araujo, Gabriel Mendes Santana, Ana Paula Dalla Corte, and Carlos Roberto Sanquetta. "APRENDIZADO DE MÁQUINA E REGRESSÃO LINEAR NA ESTIMATIVA DO VOLUME DE Eucalyptus NA AMAZÔNIA ORIENTAL." BIOFIX Scientific Journal 6, no. 1 (2021): 08. http://dx.doi.org/10.5380/biofix.v6i1.75092.

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O crescimento da área florestada trouxe a necessidade de aprimorar técnicas que proporcionem estimativas mais precisas e acuradas do volume de árvores individuais. Neste contexto, técnicas de aprendizagem de máquina foram aplicadas para este fim, contudo, ainda não foi testado o uso combinado dessas técnicas (Ensemble). Assim, a hipótese deste estudo é que o Ensemble proporciona estimativas mais precisas e acuradas do volume que os métodos convencionais de estimativa e aprendizado de máquina isoladamente. Com isso, objetivou-se avaliar a estimativa do volume individual do Eucalyptus spp. utilizando técnicas isoladas e conjuntas de aprendizado de máquina. O estudo foi realizado em duas fazendas em Paragominas, Pará. Foram cubadas 90 árvores, distribuídas em 4 clones, com 6 anos idade e 1.111 indivíduos.ha-1. Utilizaram-se 70% das árvores para o ajuste e 30% para a validação. Aplicaram-se quatro métodos distintos de estimação: regressão linear (Modelo de Schumacher-Hall), máquinas de vetores de suporte (SVM), redes neurais artificiais (RNA) e Ensemble (SVM, RNA e modelos lineares generalizados - GLM) com distribuição gaussiana). O Ensemble resultou em maior coeficiente de determinação, enquanto a RNA no menor. O erro padrão da estimativa variou entre 8,21 % e 12,99 %, para as técnicas Ensemble e RNA, respectivamente. Os modelos preditivos apresentaram generalização acurada e precisa, com RMSE entre 7,01 % e 13,17 %. Schumacher-Hall e Ensemble apresentaram leve tendência em subestimar o volume, já SVM e RNA superestimaram. Os modelos de Schumacher-Hall e Ensemble foram os mais precisos e acurados à predição do volume para os dados utilizados.
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Hernández Castelló, M. ª. Cristina. "Reseña de: Schumacher, Andreas (ed.), Florenz und seine maler." Espacio Tiempo y Forma. Serie VII, Historia del Arte, no. 7 (December 13, 2019): 409. http://dx.doi.org/10.5944/etfvii.7.2019.23560.

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Schumacher, Andreas (ed.), Florenz und seine maler: Von Giotto bis Leonardo da Vinci.Munich, Himer Publishers, 2018. ISBN 978-3-7774-3064-5 (edición alemana), 384 pp.Schumacher, Andreas (ed.), Florence and its Painters: From Giotto to Leonardo da Vinci. Himer Publishers, 2018. ISBN: 978-3-7774-3062-1 (edición inglesa), 384 pp.
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de Vaan, M. "SCHUMACHER, STEFAN UND MATZINGER, JOACHIM: Die Verben des Altalbanischen." Kratylos 60, no. 1 (2015): 1–17. http://dx.doi.org/10.29091/kratylos/2015/1/1.

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48

Ehrenfeld, David, Barbara Wood, and E. F. Schumacher. "Father by Daughter: The Life of E. F. Schumacher." Hudson Review 39, no. 1 (1986): 166. http://dx.doi.org/10.2307/3851638.

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Lee, Scunghwan. "The genus Matsumuraja Schumacher, 1921 (Sternorrhyncha: Aphididae) of Korea." Journal of Asia-Pacific Entomology 5, no. 1 (2002): 19–27. http://dx.doi.org/10.1016/s1226-8615(08)60128-4.

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Tunik, Bernard D. "Cardiovascular Fitness Lab. Paul Antonucci , Lars Travers , Steve Schumacher." Quarterly Review of Biology 64, no. 2 (1989): 249. http://dx.doi.org/10.1086/416352.

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