Now showing items 1-20 of 1389

    • A computational model for residual life assessment of dents generated by explosive loads in pipelines 

      Useche Vivero, Jairo; Gomez J. (2003)
      The present work develops a finite elements computational model that describes the process of dynamic deformation in pipelines under explosive loads. The mechanical response of the material is modeled by means of an ...
    • Use of deep learning algorithms for real-time detection of vessels in confined spaces using the Tensorflow framework 

      Sánchez, S A; Campillo Jiménez, Javier Eduardo; Martínez-Santos, J C (Cartagena de Indias, 2003-01)
      Over 4515 small boat accidents were registered in the United State of America in 2012, resulting in 651 causalities and 22% of the accidents took place between two boats. It is, therefore, one of the most interesting ...
    • Multispectral tracking of phytoplankton in the Colombian Caribbean 

      Caicedo V.V.O.; Gómez A.P. (2004)
      In a quantitative research study, the concentration and circulation of group of micro-organisms "phytoplankton" have been found through the images of the ocean colour in the Colombian Caribbean Sea. These images have been ...
    • Finding a voice through research 

      Lobo J.; Vizcaíno A. (SAGE Publications Ltd, 2006)
      One question guided this experimental study: What impact does the change from teacher training to educational research have on university teachers' methodology and attitudes to teaching? To find answers to this question, ...
    • Variation in experimentation styles and domain-specific knowledge 

      Córdoba M.; Larreamendy-Joerns J. (2007)
      This study explored the relationship between experimental strategies and domain-specific knowledge within a task of scientific discovery. Groups of expert biologists, experimental psychologists, and lag people in both ...
    • Applicability of the classic WACC concept in practice 

      Mian M.A.; Vélez-Pareja I. (2007)
      A large percentage of companies use the discounted cash flow (DCF) approach as the primary technique for investment/project evaluation and the capital budgeting process. This approach requires forecasting the detailed cash ...
    • Dynamic appropriations of domestic space 

      Trillos J. (2007)
      This commentary is an attempt to provide a complementary vision to analyze the study carried out by Giorgi, Padiglione and Pontecorvo. Based on their data, the authors describe three main categories of home appropriation: ...
    • Editorial 

      Vélez Pareja I. (2008)
    • The potential that ethical finance has to generate new investment alternatives in Colombia 

      Sierra González J.H.; Londoño Bedoya D.A. (2008)
      This article examines the need for and the opportunity of developing ethical finance initiatives, specifically ethical banks and ethical investment funds, as alternatives to strengthen development in Colombia. The validity ...
    • Concept maps as a didactic strategy for learning of concepts of cell biology in students of health sciences 

      Rúa D.L.A.; Goenaga I.A.Y.; Olite J.L.M.; Márquez J.S.H.; Molina R.E.F. (Universidad del Norte, 2009)
      For students of health sciences, knowledge of biology is a cornerstone to successfully face the challenges presented to them related to this field of knowledge and to interpret specific phenomena of medical science and ...
    • Generating dynamic fuzzy models for prediction problems 

      Contreras J.; Acuña O. (2009)
      In this paper we present a new method to generate interpretable fuzzy systems from training data. A fuzzy system is developed for nonlinear systems modeling and for system state forecasting. The antecedent partition uses ...
    • Prospective analysis: Guidelines for forecasting financial statements 

      Vélez-Pareja I.; Tham J. (Springer Berlin Heidelberg, 2009)
      In this chapter, we discuss some ideas that might be useful in forecasting financial statements based on historical data.1 The approaches and suggestions presented in this chapter assume that the analyst has access to some ...
    • Bracing alternatives in tapered frames under wind loads 

      Rivera A.M.M. (2009)
      The level of risk caused by forces of the nature could be reduced with an appropriate intervention of vulnerability, since such threats cannot be reduced. One of the alternatives to reduce the structural vulnerability of ...
    • Intentionality and interpersonal relations 

      Trillos J. (Springer New York, 2009)
      The present commentary re-introduces Heider's (1958) common-sense psychology and his treatment of intentionality, comparing and contrasting his theoretical formulations with those of Elstrup (IPBS: Integrative Psychological ...
    • Forecasting foreign exchange rates in Colombia assuming PPP conditions: Empirical evidence using VAR 

      Fayad Hernández, Catherine; Fortich Mesa, Roberto Carlos; Vélez-Pareja, Ignacio (Cartagena de Indias, 2009)
      This document examines exchange rate forecasts during the 1995-2005 period, using a Purchasing Power of Parity Exchange Rate Model (PPPER). Our first finding is that the computed forecasts seem to validate the use of this ...
    • Market value calculation and the solution of circularity between value and the weighted average cost of capital WACC 

      Vélez-Pareja, Ignacio; Tham, Joseph (Cartagena de Indias, 2009)
      Most finance textbooks present the Weighted Average Cost of Capital (WACC) calculation as: WACC = Kd×(1-T)×D% + Ke×E%, where Kd is the cost of debt before taxes, T is the tax rate, D% is the percentage of debt on total ...
    • Which cost of debt should be used in forecasting cash flows? 

      Vélez-Pareja, Ignacio (Cartagena de Indias, 2009-04-20)
      Frequently, analysts and teachers use the capitalized rate of interest for the cost of debt when forecasting and discounting cash flows. Others estimate the interest payments when forecasting annual financial statements ...
    • Potential dividends and actual cash flows in equity valuation. A critical analysis 

      Vélez-Pareja, Ignacio; Magni, Carlo Alberto (Cartagena de Indias, 2009-11-11)
      Practitioners and most academics in valuation include changes in liquid assets (potential dividends) in the cash flows. This widespread and wrong practice is inconsistent with basic finance theory. We present economic, ...
    • Potential dividends and actual cash flows.A regional Latin American analysis 

      Vélez-Pareja, Ignacio; Merlo, Mariano Germán; Vélez-Pareja, Ignacio; Londoño Bedoya, David Andrés; Sarmiento Sabogal, Julio Alejandro (Cartagena de Indias, 2009-11-26)
      We examine the value market assigns to components of the cash flow to equity including potential dividends. We study non financial publicly traded firms from five Latin American countries. The model includes four variables: ...
    • Consistency in valuation: A practical guide 

      Vélez-Pareja I.; Burbano-Pérez A. (Consejo Latinoamericano de Escuelas de Administracion, 2010)
      Practitioners and teachers easily break some consistency rules when conducting or teaching valuation of assets, which may lead to different results by different methods. In this short note we present a practical guide to ...

      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.