Results 11 to 20 of about 4,925,508 (271)

THE PERFORMANCE OF TRADITIONAL CONTRACT PROCUREMENT ON HOUSING PROJECTS IN NIGERIA [PDF]

open access: yesCivil Engineering Dimension, 2006
The traditional contract procurement has been widely criticized as an ineffective procurement method because it often involves time and cost overrun on construction projects.
Aderemi Y Adeyemi   +2 more
doaj   +4 more sources

Optimal Machine Stopping Time and Ordering Cycle for Parts to Minimize the Total Cost of a Supply Chain

open access: yesIEEE Access, 2021
Many parts or components in a facility are sometime vulnerable to failure causing downtime and production loss. So, in order to decrease the downtime, parts of the same type that follow the same lifespan distribution need to be replaced at least once to ...
Cun Rong Li   +2 more
doaj   +1 more source

Cost-effectiveness of Web-Based and Home-Based Postnatal Psychoeducational Interventions for First-time Mothers: Economic Evaluation Alongside Randomized Controlled Trial

open access: yesJournal of Medical Internet Research, 2022
BackgroundThe cost-effectiveness of interventions has attracted increasing interest among researchers. Although web-based and home-based psychoeducational interventions have been developed to improve first-time mothers’ postnatal ...
Qishi Zheng   +9 more
doaj   +1 more source

Blocking optimal $k$-arborescences [PDF]

open access: yes, 2007
Given a digraph $D=(V,A)$ and a positive integer $k$, an arc set $F\subseteq A$ is called a \textbf{$k$-arborescence} if it is the disjoint union of $k$ spanning arborescences.
Bernáth, Attila, Király, Tamás
core   +4 more sources

Contribution of Professional Teachers to the Local Economy of Cebu City, Philippines

open access: yesJPAIR, 2022
A yoga teacher deems professional when remuneration is generated from teaching and guiding students on the path of Yoga, including the practices of pranayama, meditation, and asana.
Antoniette Almaden   +2 more
doaj   +1 more source

Aging concrete structures: a review of mechanics and concepts [PDF]

open access: yes, 2018
The safe and cost-efficient management of our built infrastructure is a challenging task considering the expected service life of at least 50 years. In spite of time-dependent changes in material properties, deterioration processes and changing demand by
Wan-Wendner, Roman
core   +2 more sources

Singularly perturbed forward-backward stochastic differential equations: application to the optimal control of bilinear systems [PDF]

open access: yes, 2018
We study linear-quadratic stochastic optimal control problems with bilinear state dependence for which the underlying stochastic differential equation (SDE) consists of slow and fast degrees of freedom.
Hartmann, Carsten   +2 more
core   +2 more sources

Scale And Translation Invariant Collaborative Filtering Systems [PDF]

open access: yes, 2003
Collaborative filtering systems are prediction algorithms over sparse data sets of user preferences. We modify a wide range of state-of-the-art collaborative filtering systems to make them scale and translation invariant and generally improve their ...
Lemire, Daniel
core   +4 more sources

Dual-Routes and the Cost of Determining Least-Costs

open access: yesFrontiers in Psychology, 2017
Theories of cognition that posit complementary dual-route processes afford better fits to the data when each route explains a part of the data not explained by the other route.
Steven Phillips   +2 more
doaj   +1 more source

SALT BUSINESS GROWTH IN INDONESIA CASE: 4 DISTRICTS IN INDONESIA

open access: yesJournal of Indonesian Applied Economics, 2020
This paper aims to measure and forecast salt price based on cost and price rationality. The research employed quantitative method with Ordinary Least Square Model for measuring the rationality of salt and ordinary least square for forecasting salt cost ...
Eny Widarni   +3 more
doaj   +1 more source

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