Perencanaan waktu yang baik sangat dibutuhkan dalam penjadwalan proyek agar dapat dipastikan bahwa perencanaan ditetapkan tercapai dengan kesalahan paling kecil namun hasil maksimal mendayagunakan apa ada. Sebab itu, periode menjadi salah satu hal penting selain biaya untuk menyelesaikan suatu proyek. Jaringan kerja atau Network Planning adalah cara manajemen serta pengendalian proyek, menyajia...

Background Pancreatic enzyme replacement therapy (PERT) is widely applied to patients with exocrine pancreatic insufficiency (EPI), but its effect and safety has not been quantified. Therefore we performed a meta-analysis to determine the efficacy and tolerance of PERT on patients with EPI. Materials and Methods PubMed, Medline, Cochrane library database, Evidence-based medicine/clinical tria...

In this paper we present a powerful technique for analysing production networks in the presence of decision-making variables and cost exibility. Processes are modelled as a network , similar to PERT/CPM schemes, but with built-in decision and cost variables. For minimal increased complexity in the development of the network, we show that powerful analysis and optimisation techniques are enabled...

This paper demonstrates the performance of PERT, a new TCP congestion control, for video streaming. PERT stands for Probabilistic Early Response TCP. As a delay based protocol, it measures the delay at the end host and adjusts the congestion window accordingly. As our NS-2 simulation results show, the late packet of the video streams are greatly decreased when applying PERT in heterogeneous env...

In this paper we present a powerful technique for analysing complex production systems incorporating task duration, cost, and the impact of external factors. Processes are modelled as a network, similar to PERT/CPM schemes, but with built-in decision and cost variables. For minimal increased complexity in the development of the network, we show that powerful analysis and optimisation techniques...

OBJECTIVE The benefits of pancreatic enzyme replacement therapy (PERT) in chronic pancreatitis (CP) are inadequately defined. We have undertaken a systematic review and meta-analysis of randomised controlled trials of PERT to determine the efficacy of PERT in exocrine pancreatic insufficiency (EPI) from CP. DESIGN Major databases were searched from 1966 to 2015 inclusive. The primary outcome ...

Difficulties with the interpretation of the parameters of the beta distribution let Malcolm et al. (1959) to suggest in the Program Evaluation and Review Technique (PERT) their by now classical expressions for the mean and variance for activity completion for practical applications. In this note, we shall provide an alternative for the PERT variance expression addressing a concern raised by Hah...

This paper presents a hybrid heuristic for constrained resource allocation in PERT type networks. Here, the assumption is made that the constrained resource is renewable for allocation to the activities of project. In addition, we consider finish-start precedence constraints with zero time lag. The activities durations are independent continuous random variables, preemption is not allowed and r...

This paper is a generalization of our previous publications [2,19-20] where some newly developed models of the harmonization theory, together with various practical applications, have been outlined. The goal of the paper under consideration is to describe in depth both the general concepts of the harmonization theory and the fitness of the latter by citing an example from a widely used class of...

The Critical Path Method (CPM) and its development to probabilistic environment, the Program Evaluation and Review Technique (PERT), are the most common tools for predicting and managing different short time or long time projects. However, one of the main difficulties in using mathematical models in real world applications is the vagueness and uncertainty of data and parameters such as activity...