Productos de investigación: Envíos recientes
Mostrando ítems 121-140 de 1460
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Identification by MALDI-TOF MS of bacterial microorganisms associated with dental caries
(Cartagena de IndiasIngeniería de Sistemas y Computación, 2023-12-09)It is essential to understand bacterial succession during the development of dental caries and determine the microorganisms related to this disease. This work aimed to identify bacteria associated with cariogenic pieces ... -
team UTB-NLP at finances 2023: financial targeted sentiment analysis using a phonestheme semantic approach
(Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-12-06)Sentiment analysis in the financial domain is a challenging task that plays a crucial role in understanding public opinion, monitoring market trends, and assessing the impact of news on economic agents. In this shared task, ... -
Automated depression detection in text data: leveraging lexical features, phonesthemes embedding, and roberta transformer model
(Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-12-05)Indexed keywords SciVal Topics Metrics Funding details Abstract Depression is a prevalent mental disorder characterized by persistent sadness, lack of interest, and diminished pleasure. Detecting depression is ... -
Natural language content evaluation system for multiclass detection of hate speech in tweets using transformers
(Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-12-05)In natural language processing, accurate categorization of tweets, including detecting hate speech, plays a pivotal role in efficient information organization and analysis. This paper presents a Natural Language Contents ... -
Intelligent system to detect violations in pedestrian areas committed by vehicles in the city of Cartagena de Indias
(Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-12-05)his article presents applied research which proposes an approach to a low-cost electronic system that allows the detection of violations in pedestrian areas. For this purpose, we proposed an electronic system that implements ... -
Component analysis to design an integral sustainability model for micro, small, and medium sized enterprises
(Cartagena de IndiasCampus TecnológicoIngeniería Industrial, 2023-12-05)Micro, small, and medium enterprises (MSMEs) are the engine of economic, environmental and social stability in many countries but recently MSMEs have been facing instability in their sales, production, and feature a decrease ... -
Natural language contents evaluation system for multi-class news categorization using machine learning and transformers
(Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-12-05)The exponential growth of digital documents has come with rapid progress in text classification techniques in recent years. This paper provides text classification models, which analyze various steps of news classification, ... -
Los niveles del conocimiento para el diseño curricular de las facultades de derecho
(Cartagena de IndiasCasa Lemaitre, 2023-06-30)Los resultados de aprendizaje previstos para los programas de las facultades de derecho determinan qué deben alcanzar quienes aprenden al finalizar el proceso de formación. No obstante, algunos de estos diseños curriculares ... -
Los centennials como un reto antiformalista para las Facultades de Derecho
(Cartagena de IndiasCampus Tecnológico, 2022-06-30)En el contexto latinoamericano actual, los estudiantes de pregrado de las facultades de derecho se adscriben en su mayoría a la generación de los centennials. Se trata de una categoría que agrupa aquellas personas nacidas ... -
Dataset for Sun dynamics from topological features
(Cartagena de Indias, 2023-11-17)The present study presents an extensive dataset meticulously curated from solar images sourced from the Solar and Heliospheric Observatory (SOHO), encompassing a range of spectral bands. This collaborative effort spans ... -
Long-Term Effects of Degradation on Photovoltaic System Return on Investment
(Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-11-24)The adoption of photovoltaic (PV) systems has increased significantly in recent years, driven by the demand for off-grid and on-grid residential and commercial applications. However, the high initial investment required ... -
Supporting Sustainable Futures in Retail: An Exploratory Study on Worker Health, Safety and Wellbeing in Australia
(Cartagena de Indias, 2023-11-20)Health, safety, and wellbeing (HSW) have been studied widely in different contexts and are associated with social, organisational, and human sustainability. However, there is limited research about HSW in retail that ... -
Land-Use Dynamics and Water Quality in Andean Basins
(Cartagena de IndiasCampus Tecnológico, 2023-11-15)Conventional agricultural practices, such as the use of agrochemicals, implementation of monocultures, and the expansion of crops in strategic ecosystems, have significant impacts in Andean basins, directly increasing ... -
Application of Nannochloris sp. for Landfill Leachate Biotreatment and Lipids Production
(Cartagena de IndiasCampus TecnológicoIngeniería Mecánica, 2023-05-15)The sparse treatment of highly toxic leachates produced in landfills due to the excessive generation of urban solid waste is a common problem worldwide. For this reason, this research aims to show the convenience of the ... -
A systematic review to determine the role of public space and urban design on sense of community
(Cartagena de IndiasCampus TecnológicoPsicología, 2023)The aim of this research is to determine the effect that the physical characteristics of public spaces and their perceived quality have on residents’ sense of community (SoC). A sys tematic review was carried out following ... -
Sustainability and women entrepreneurship through new business models: the case of microfranchises in post-peace agreement Colombia
(Cartagena de IndiasCampus TecnológicoAdministración de Empresas, 2023-10-02)Purpose – This study aims to analyze the establishment of sustainable microfranchises by women victims of the conflict (WVC) entrepreneurs who suffered the consequences and impacts of the longest-running internal conflict ... -
Maintenance strategy of a preheat train of crude oil distillation unit based on exergy and exergoeconomic analysis
(Cartagena de IndiasCampus TecnológicoIngeniería Mecánica, 2023-12)Established or create new ones to plan the cleaning tasks of the heat exchangers. In this work, a maintenance strategy is developed for a preheating train under the Maintenance Centered on Energy Efficiency (MCEE) ... -
Effect of the financial structure on the liquidity risk of SMEs in Cartagena as a base of project formulation
(Cartagena de IndiasContaduría Pública, 2023-06-09)The Liquidity Risk in Small and Medium Enterprises - SMEs in the City of Cartagena-Colombia is analyzed, based on the determination of their Capital Structure. The variables, liquidity risk (dependent) and capital structure ... -
Experimental–Density Functional Theory (DFT) Study of the Inhibitory Effect of Furan Residues in the Ziegler–Natta Catalyst during Polypropylene Synthesis
(Cartagena de IndiasCampus Tecnológico, 2023-09-21)In this experimental–theoretical study, the effect of furan on Ziegler–Natta catalyst produc tivity, melt flow index (MFI), and mechanical properties of polypropylene were investigated. Through the analysis of the global ... -
Dimethylformamide Impurities as Propylene Polymerization Inhibito
(Cartagena de IndiasCampus Tecnológico, 2023-09-18)This research study examined how the use of dimethylformamide (DMF) as an inhibitor af fects the propylene polymerization process when using a Ziegler–Natta catalyst. Several experiments were carried out using TiCl4/MgCl2 ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.
