88 research outputs found
Marketing de servicios en la decisión de compra en la empresa ISSA Perú S.A.C, Lima 2022
No full textLa investigación realizada lleva el título “Marketing de servicios en la decisión de
compra en la empresa ISSA Perú S.A.C, Lima 2022”, el cual tuvo como principal
objetivo establecer la relación del Marketing de servicios en la decisión de compra
en la empresa ISSA Perú S.A.C, Lima 2022. En el estudio se empleó una
metodología de tipo aplicada, nivel descriptivo correlacional, diseño no
experimental de corte transversal. La población muestreo aleatorio simple estuvo
conformada por 181 clientes, a quienes se les otorgaron un cuestionario con
respecto a ambas variables, sobre el Marketing de servicios y decisión de compra,
donde se cumplió con los requisitos de validez por juicio de expertos y la
confiabilidad cuyos resultados fueron de 0,819 y 0,855 respectivamente. El método
que se utilizo fue el hipotético deductivo, donde se utilizó la prueba de Rho
Spearman y se realizaron los cálculos estadísticos necesarios para la correlación
de variables. El resultado obtenido fue que el Marketing de servicios se relaciona
con la decisión de compra, con un nivel de correlación considerable (Rho 0,474 y
p-valor 0,000)
Progress in Material Handling Research 2012
No full textAndres Carrano (with Reyhan Erin and Moises Sudit) is a contributing author, An MIP Approach to the U-line Balancing Problem With Proportional Worker Throughput, pp. 112-130
[Review of] Rosalio Moises, Jane Holden Kelley, and William Curry Holden. A Yaqui Life: The Personal Chronicle of a Yaqui Indian
No full textThe search for an untouched Native voice in American Indian autobiography, both experientially and stylistically, has proven as elusive as the search for the untouched Native. In the case of A Yaqui Life, it is precisely the of the native author\u27s interaction-personal, literary, military, economic, religious, and familial-that makes the work both fascinating and significant. So, too, the text as a product of the interactions between the various authors enhances its ethnographic and historic significance. In 1954, at the suggestion of the anthropologist W. C. Holden, the core of the work was penned by Rosalio Moises, a Yaqui who lived from 1896 until 1969. Holden\u27s daughter, Jane Holden Kelley, later edited the text and amplified the material through interviews with Moisés concerning his written text. This personal chronicle thus bridges the gap between autobiography and ethnography
Investigating the Common Authorship of Signatures by Off-line Automatic Signature Verification without the Use of Reference Signatures
No full textIn automatic signature verification, questioned specimens are usually compared with reference signatures. In writer-dependent schemes, a number of reference signatures are required to build up the individual signer model while a writer-independent system requires a set of reference signatures from several signers to develop the model of the system. This paper addresses the problem of automatic signature verification when no reference signatures are available. The scenario we explore consists of a set of signatures, which could be signed by the same author or by multiple signers. As such, we discuss three methods which estimate automatically the common authorship of a set of off-line signatures. The first method develops a score similarity matrix, worked out with the assistance of duplicated signatures; the second uses a feature-distance matrix for each pair of signatures; and the last method introduces pre-classification based on the complexity of each signature. Publicly available signatures were used in the experiments, which gave encouraging results. As a baseline for the performance obtained by our approaches, we carried out a visual Turing Test where forensic and non-forensic human volunteers, carrying out the same task, performed less well than the automatic schemes
El autismo esperger en la narrativa de cinco madres. un acercamiento desde la antropología física
No full textTesis para optar por el grado de Maestría en Antroplogía Físic
Social rights and economics : claims to health care and education in developing countries
No full textThe author analyzes contemporary rights-based and economic approaches to health care and education in developing countries. He assesses the foundations and uses of social rights in development, outlines an economic approach to improving health and education services, and then highlights the differences, similarities, and the hard questions that the economic critique poses for rights. The author argues that the policy consequences of rights overlap considerably with a modern economic approach. Both the rights-based and the economic approaches are skeptical that electoral politics and de facto market rules provide sufficient accountability for the effective and equitable provision of health and education services, and that further intrasectoral reforms in governance, particularly those that strengthen the hand of service recipients, are needed. There remain differences between the two approaches. Whether procedures for service delivery are ends in themselves, the degree of disaggregation at which outcomes should be assessed, the consequences of long-term deprivation, metrics used for making tradeoffs, and the behavioral distortions that result from subsidies are all areas where the approaches diverge. Even here, however, the differences are not irreconcilable, and advocates of the approaches need not regard each other as antagonists.Health Monitoring&Evaluation,Health Systems Development&Reform,Decentralization,Public Health Promotion,Early Child and Children's Health,Health Monitoring&Evaluation,Health Economics&Finance,Poverty Assessment,Agricultural Knowledge&Information Systems,Gender and Education
Análise e classificação das segmentações de músicas
No full textThe structural analysis of music contains two subproblems: boundary detection and structural
grouping, which are analyzed in this work in detail. The result of the first subproblem directly
affects the second one. To automate these activities, the Music Structure Analysis Framework
(MSAF) was used with two algorithms, Convex Non-Negative Matrix Factorization and 2D
Fourier Magnitude Coefficients, which execute these two activities with the k-means
clustering technique. In this work, beyond the analysis of MSAF's performance, the music
application Moises was used. In this work, a small, but rich in details, dataset was built, which
relied on the assessment of a professional musician and the author, a student of theoretical and
practical music specializing in electric guitar. To analyze the obtained results, the main
metrics were Pairwise Frame Clustering (PWF) and F-measure. A comparative analysis was
made between the results of the boundary detections and the suggested labels (structural
grouping) of the resulting segmentations of the MSAF framework and the Moises app, which
diverge from the golden pattern. The mean of the result of PWF in 5 songs of the dataset for
Moises was 42,29%, with MSAF, algorithm 2DFMC, 50,08%. Lastly, for the CNMF
algorithm in MSAF, PWF reached 44,18%. It was concluded that the divergences of the
notations adopted influenced directly in the final result achieved by the applications,
regardless of being the framework or the Moises app, which reinforces the complexity of the
activity to handle its subjectivity, besides evidencing the disagreement between the evaluating
musicians of the datasets.A análise estrutural de músicas possui dois subproblemas: detecção de limites temporais e o
agrupamento estrutural, analisados aqui, detalhadamente. O resultado do primeiro
subproblema influencia diretamente no resultado do segundo. Para automatizar estas
atividades, foi utilizado, neste trabalho, o framework MSAF (do inglês, Music Structure
Analysis Framework), com dois algoritmos, Convex Non-Negative Matrix Factorization (do
português, Fatoração de Matriz Convexa Não-Negativa) e 2D Fourier Magnitude Coefficients
(do português, Coeficientes de Magnitude de Fourier 2D), que utilizam a técnica de
agrupamento k-means. Neste trabalho, além da performance do MSAF ter sido analisada, foi
avaliado o aplicativo de música Moises. Foi construído, para tanto, um conjunto de dados de 5
músicas, padrão-ouro, rico em detalhes nas anotações das segmentações de músicas, que
contaram com a avaliação de um músico profissional e da autora, estudante de teoria e prática
musical com foco em guitarra elétrica. Para analisar os resultados obtidos, foram avaliadas
principalmente as métricas PWF (do inglês, Pairwise Frame Clustering), além da medida-F.
Foi feita uma análise comparativa entre os resultados dos limites temporais e dos rótulos
sugeridos (agrupamento estrutural) das segmentações resultantes do framework MSAF e do
aplicativo de música Moises, que divergem do padrão-ouro. A média do resultado do PWF
nas 5 músicas do conjunto de dados para o Moises foi de 42,29%, com o MSAF, algoritmo
2DFMC, 50,08%. Por fim, para o algoritmo CNMF do MSAF, o PWF alcançou 44,18%.
Concluiu-se que as divergências de notações utilizadas nas anotações influenciam diretamente
no resultado final alcançado pelas aplicações, o que reforça a complexidade da atividade para
lidar com a subjetividade ao realizá-la, além de evidenciar que há discordância entre os
músicos avaliadores dos conjuntos de dados
Latent trait estimation for item bundle structures
No full textTests comprising item bundles, (i.e., groups of items related to common passages, paragraph, or graphs), have been treated as if they measure only a general trait, ignoring the within bundle dependencies. The consequences of not taking into account the specificity of each group of items are, in particular, the violation of the conditional or local independence assumption, and the consequent misspecification of the latent space. Factor analytic models seem to be the most suitable class of models available to deal with this problem because they provide a means to account for the specification of the intra-group structure. This investigation describes alternative ways to estimate latent traits through linear and non-linear models, and proposes two alternative models to measure a latent trait for a test having a within-bundle dependence structure, when items are pre-calibrated: the non-linear multidimensional confirmatory hierarchical model, obtained by the Schmid-Leiman (1957) transformation of a second-order common factor model, and an approximation of the inter-battery linear model, as described in McDonald's (1970) generalization of Bartlett's (1937) estimator. These two models were tested in a simulation study and the results compared with those obtained from the traditional non-linear unidimensional item response model.Made available in DSpace on 2011-05-07T12:11:51Z (GMT). No. of bitstreams: 2
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Tax systems in transition
No full textHow have tax systems, whose primary role is to raise resources to finance public expenditures, evolved in the transition countries of Eastern Europe and the former Soviet Union? The authors find that: (1) the ratio of tax revenue-to-GDP decreased largely due to a fall in revenue from corporate income tax; (2) the fall in revenue from the corporate income tax led to a decline in the importance of income taxes, notwithstanding a rise in the share of individual income tax; (3) social security contributions together with payroll taxes became less important in the Commonwealth of Independent States; and (4) domestic indirect taxes gained in importancein overall tax revenues. Apart from the increased role of personal income taxation, these developments go in a direction opposite to those observed in poor countries as they get richer. They show a key aspect of transition, namely a movement from a system where the government exercised a preeminent claim on output and income before citizens had access to the remainder, to one with a greatly diminished role for the public sector, as reflected in a lower ratio of public expenditure to GDP, where the government needs to collect revenue in order to spend. Can expected levels of public expenditure be financed by the basic instruments of a modern tax system without creating significant distortions in the private sector? The authors suggest that transition countries, depending on their stage of development, should aim for a tax revenue-to-GDP ratio in the range of 22 to 31 percent, comprising value-added tax (6 to 7 percent), excises (2 to 3 percent), income tax (6 to 9 percent), social security contribution together with payroll tax (6 to 10 percent), and other taxes such as on trade and on property (2 percent). The authors'analysis also sheds light on the links between tax policy, tax administration, and the investment climate in transition countries.Municipal Financial Management,Environmental Economics&Policies,Banks&Banking Reform,Public Sector Economics&Finance,Economic Theory&Research,Environmental Economics&Policies,Public Sector Economics&Finance,Economic Theory&Research,Banks&Banking Reform,Municipal Financial Management
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