Repositorio Universidad de Lima: Envíos recientes
Mostrando ítems 241-260 de 14844
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Facial Expressions Recognition in Sign Language Based on a Two-Stream Swin Transformer Model Integrating RGB and Texture Map Images
(Instituto Politecnico Nacional, 2025)Acceso abiertoThe study of facial expressions in sign language has become a significant research area, as these expressions not only convey personal states, but also enhance the meaning of signs within specific contexts. The absence of ... -
Optimizing Credit Risk Prediction in the Financial Sector Using Boosting Algorithms: A Comparative Study with Financial Datasets
(Instituto Politecnico Nacional, 2025)Acceso abiertoCredit risk is a significant concern for financial institutions. Despite advances in predictive models, there is still room for improvement in accurately assessing credit risk. This study focuses on developing a methodological ... -
Sustainable project success through entrepreneurial leadership: insights from big data analytics, IPMA, and NCA integration
(Cogent OA, 2025)Acceso abiertothe purpose of this study is to investigate the impact of entrepreneurial leadership (El)on project success (ps) through the mediating roles of big data analytics (Bda), teamreflexivity (tr), team innovation culture (tic), ... -
La reacción colonial ante la rebelión de Túpac Amaru II en los manuales escolares de Perú (2019- 2023)
(Ariadna Ediciones, 2025)Acceso abiertoEl artículo analiza cómo los manuales escolares peruanos de educación secundaria (2019-2023) representan la reacción colonial a la rebelión de Túpac Amaru II. El estudio revela que los manuales muestran la violencia extrema, ... -
Academic Self-Efficacy in Peruvian University Students through an Astrobiological Stratospheric Balloon Project
(Lectito, 2025)Acceso abiertoThis study investigated the effect of a stratospheric balloon project focused on astrobiology on the academic self-efficacy of university students in Peru. Using the Perceived Academic Self-Efficacy Scale, 154 students ... -
Human Characteristics in Chatbots Cause an Impact on Customer Experience in The Banking Sector
(Universidad Alberto Hurtado, 2025)Acceso abiertoThis study investigates how the human characteristics of chatbots, such as warmth and competence, impact customer experience in the banking sector of Lima, Peru. Given the increasing adoption of artificial intelligence in ... -
El valor de la constitución en la formación y práctica de la ética profesional del abogado: apuntes en torno al caso peruano
(Universidad Austral, 2025)Acceso abierto -
El sistema andino de licencias obligatorias farmacéuticas: entre la arbitrariedad regulatoria y la necesidad de criterios técnicos
(Universidad Austral, 2025)Acceso abiertoEste trabajo analiza las deficiencias sistemáticas en el marco normativo andino para licencias obligatorias farmacéuticas, identificando la necesidad de criterios obje-tivos y procedimientos estandarizados. ... -
Goal programming vehicle routing for heterogeneous beverage distribution in a megacity: a case study from Lima and its implications
(Emerald Publishing, 2025)Acceso restringidoUrban freight transportation is part of a complex system where goods move continuously from origin to destination in perfect orchestration. Beverage transport is essential in urban logistics since it is related to the ... -
Assessment of tannery effluents quality treated by electrocoagulation and ozonation: Physicochemical and ecotoxicological characterization
(Public Library of Science, 2025)Acceso abiertoTannery effluents are characterized by their high toxicity and complex pollutant load, posing significant risks to aquatic ecosystems. Although conventional treatment processes often achieve regulatory standards for pollutant ... -
¿Solo los humanos racionales poseen dignidad?
(Universidad Complutense Madrid, 2025)Acceso abiertoLa teoría moral kantiana sigue siendo, de forma directa o indirecta, aquella que ofrece el mayor sustento a la noción de dignidad, piedra angular para los sistemas morales y legales contemporáneos. Kant afirma que aquella ... -
Metaficción historiográfica, autorrepresentación y género en la trampa de Magda Portal
(Universitat Autonoma de Barcelona, 2025)Acceso abiertoEl artículo examina la novela La trampade Magda Portal (1900-1989) —originalmente publicada en 1957 y reeditada con algunos cambios en 1982—, en la cual la autora reconstruye a través de la ficción la época en que ... -
Mineral price shocks on macroeconomic aggregates in a highly dependent small open economy: Evidence from Peru, 2003–2024
(Elsevier, 2025)Acceso restringidoThe aim of this paper is to estimate the effects of a mineral price shock on macroeconomic aggregates in a small open economy that is highly dependent on mineral exports, such as Peru. The paper considers two key features ... -
Extraction and characterization of cushuro (Nostoc sphaericum) polysaccharides
(Academic Press, 2025)Acceso abiertoCushuro (Nostoc sphaericum) is a blue-green edible freshwater microalgae of ancestral use as a traditional food in the Andean regions of Peru. Knowledge of the extraction process conditions and characteristics of cushuro ... -
Uncertainty shocks and financial conditions in Latin-American countries
(Elsevier, 2025)Acceso restringidoWe study the connection between financial conditions and economic uncertainty across five major Latin American countries: Brazil, Chile, Colombia, Mexico, and Peru. Using a Bayesian Threshold Vector Autoregression (BVAR) ... -
An Integrated Facility Management System Supported in Vdc and Lean
(International Group for Lean Construction, 2024)Acceso abiertoThe operational costs during the maintenance phase can account for 15% to 70% of a facility's total life cycle expenses, depending upon the type and size of the project. This paper explores the integration of Virtual Design ... -
A VDC Framework Proposal for Time Optimization in Diamond Drilling Operations for Mining
(International Group for Lean Construction, 2023)Acceso abiertoA Virtual Design and Construction (VDC) framework proposal is presented for time optimization in diamond drilling operations for a mining exploration project. The mining project is located in the Huancavelica region of ... -
Analysis of VDC Performance and Its Interaction with Lean Construction in Peru
(International Group for Lean Construction, 2025)Acceso abiertoThe present study aims to analyze the performance of Virtual Design and Construction (VDC) in construction projects in Peru, evaluating its interaction with Lean Construction. Through a systematic approach, it seeks to ... -
Towards smart Cities: Foundational methodology for implementing intelligent circular resilience in heritage buildings through structural health monitoring and digital-twins – Part A
(Elsevier, 2025)Acceso restringidoThe relentless technological evolution is reshaping Disaster Risk Reduction (DRR), fostering innovative strategies in the context of smart cities. This paper explores the integration of advanced technologies—specifically ... -
Maximum valorization of red prickly pear peels through green extraction techniques of bioactive compounds and cellulose microfibers
(Elsevier, 2025)Acceso restringidoThis study evaluated the effect of particle size (375–116 μm) on the chemical composition of red prickly pear (Opuntia ficus-indica) peels, as well as on the ultrasound-assisted extraction of bioactive compounds using an ...
