Results 61 to 70 of about 6,981,143 (177)

An exact procedure for the resource-constrained weighted earliness-tardiness project scheduling problem. [PDF]

In this paper we study the resource-constrained project scheduling problem with weighted earliness-tardiness penalty costs. Project activities are assumed to have a known deterministic due date, a unit earliness as well as a unit tardiness penalty cost ...
Vanhoucke, M, Herroelen, Willy, Demeulemeester, Erik   +2 more
core   +2 more sources

A genetic approach to dynamic scheduling for total weighted tardiness problem [PDF]

, 1999
This paper presents several local search metaheuristics for the problem of scheduling a single machine to minimise total weighted tardiness. A genetic algorithm for the static single machine total weighted tardiness problem is presented, and a multistart
Silva, Sílvio do Carmo, Madureira, Ana Maria, Ramos, Carlos   +2 more
core   +1 more source

Differential Responses of Soil Prokaryotic and Fungal Communities to Forest Conversion in Two Contrasting Zambian Soils

Soil Use and Management, Volume 42, Issue 3, July‐September 2026.
ABSTRACT Drylands are crucial for global carbon (C) storage and biodiversity, yet increasing food demands are driving the extensive conversion of natural lands to croplands in Zambia. While soil microbes play key roles in nutrient cycling, the effects of forest conversion to cropland on their community structure and functional potential remain unclear ...
Toru Hamamoto, Chikae Tatsumi, Nhamo Nhamo, Ikabongo Mukumbuta, David Chikoye, Yoshitaka Uchida   +5 more
wiley   +1 more source

An Exact Approach to Early/Tardy Scheduling with Release Dates [PDF]

In this paper we consider the single machine earliness/tardiness scheduling problem with di?erent release dates and no unforced idle time. The problem is decomposed into a weighted earliness subproblem and a weighted tardiness subproblem.
Rui A. F. S. Alves, Jorge M. S. Valente
core  

Permutation Flowshop Scheduling with Earliness and Tardiness Penalties [PDF]

We address the permutation flowshop scheduling problem with earliness and tardiness penalties (E/T) and common due date of jobs. Large number of process and discrete parts industries follow flowshop type of production process.
Peeyush Mehta, Tirupati Devanath, Chandra, Pankaj   +2 more
core  

Fifty years of scheduling: a survey of milestones [PDF]

, 2009
Scheduling has become a major field within operational research with several hundred publications appearing each year. This paper explores the historical development of the subject since the mid 1950s when the landmark publications started to appear.
Strusevich, Vitaly A., Strusevich, V.A., Potts, Christopher N., Potts, C.N., C N Potts, V A Strusevich   +5 more
core   +1 more source

A Reliability- and Energy-Aware Decision-Support Framework for Production–Maintenance Scheduling in Parallel CNC Machining Systems

Journal of Manufacturing and Materials Processing
In parallel CNC machining systems, machine deterioration can simultaneously increase energy-related operating costs, affect delivery performance, and change the timing of preventive maintenance.
Zhaoyi Zhang, Chen-Yang Cheng, Chumpol Yuangyai, Nagoor Basha Shaik, Ranon Jientrakul   +4 more
doaj   +1 more source

Order Batching in Warehouses by Minimizing Total Tardiness: A Hybrid Approach of Weighted Association Rule Mining and Genetic Algorithms

The Scientific World Journal, 2013
One of the cost-intensive issues in managing warehouses is the order picking problem which deals with the retrieval of items from their storage locations in order to meet customer requests. Many solution approaches have been proposed in order to minimize
Amir Hossein Azadnia, Shahrooz Taheri, Pezhman Ghadimi, Muhamad Zameri Mat Saman, Kuan Yew Wong   +4 more
doaj   +1 more source

Beam search heuristics for quadratic earliness and tardiness scheduling [PDF]

In this paper, we present beam search heuristics for the single machine scheduling problem with quadratic earliness and tardiness costs, and no machine idle time. These heuristics include classic beam search procedures, as well as filtered and recovering
Jorge M. S. Valente
core  

Pengembangan Algoritma Biogeography-based Optimization (BBO) untuk Penyelesaian Single Machine Total Weighted Tardiness Problem (SMTWTP)

Jurnal Teknik ITS, 2012
Permasalahan penjadwalan adalah salah satu permasalahan populer yang masih banyak diteliti. Salah satu masalah penjadwalan dasar adalah Single Machine Total weighted Tardiness Problem (SMTWTP). Permasalahan tersebut termasuk NP-hard sehingga tidak sesuai
Ade Lia D. Safitri, Budi Santosa
doaj