Results 141 to 150 of about 256,176 (302)

Machine Learning-Based Problem Space Reduction in Stochastic Programming Models: An Application in Biofuel Supply Chain Network Design

open access: yesIEEE Access
Biofuels derived from feedstock offer a sustainable source for meeting energy needs. The design of supply chains that deliver these fuels needs to consider quality variability with special attention to shipping costs, because biofuel feedstocks are ...
Kolton Keith   +2 more
doaj   +1 more source

A comprehensive review of coordinated operation of transmission‐distribution networks: Frameworks, problems and future trends

open access: yesEnergy Conversion and Economics, EarlyView.
Abstract The rapid growth of distributed energy resources (DERs) is reshaping the operational landscape of transmission and distribution networks, creating new challenges for maintaining system‐wide security, economic efficiency and flexibility. Transmission‐distribution (T‐D) coordination has emerged as an essential paradigm for facilitating multi ...
Yining Yang   +4 more
wiley   +1 more source

Use of mathematical programming methods in the design of technological complexes and planning of mining operations in open-pit mine

open access: yesТехнічна інженерія
The article examines the relevance and methodological foundations of applying mathematical programming methods for optimizing the design of technological complexes and the planning of mining operations in open-pit development of ore and non-ore mineral ...
S.S. Iskov   +3 more
doaj   +1 more source

The importance of considering regimes in long‐term asset allocation to real estate

open access: yesReal Estate Economics, EarlyView.
Abstract We investigate the long‐term, regime‐dependent asset allocation of an investor's wealth in a mixed‐asset portfolio that includes publicly traded real estate. We show that augmenting standard VAR models with Markov‐switching features not only improves predictive power for asset returns but also introduces economically meaningful horizon effects
Massimo Guidolin   +2 more
wiley   +1 more source

A suitable approach to resource allocation in biosecurity when considering dependent benefits and costs

open access: yesMethods in Ecology and Evolution, EarlyView.
Abstract Optimal allocation of resources to the management of biosecurity risk, threatened species conservation or natural hazards such as bushfires is imperative—because program budgets are usually finite and, therefore, constrained. However, effectively dividing resources among management activities to achieve the greatest benefit remains a ...
Aaron Dodd, Edith Arndt, Anca Hanea
wiley   +1 more source

Stochastic Load Modeling and Chance-Constrained Optimization of DG Placement and Sizing with Emission Incentives

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems)
This study proposes an optimization model for determining the placement and sizing of photovoltaic distributed generation (PV-DG) units in electrical distribution systems, accounting for load uncertainty and PV output variability. The model is formulated
Ian Adrian Bustanuddin   +2 more
doaj   +1 more source

Using large language models to analyze political texts through natural language understanding

open access: yesAmerican Journal of Political Science, EarlyView.
Abstract Large language models (LLMs) offer scalable alternatives to human experts when analyzing political texts for meaning, using natural language understanding (NLU). Qualitative NLU methods relying on human experts are severely limited by cost and scalability.
Kenneth Benoit   +4 more
wiley   +1 more source

Municipal solid waste supply chain optimization for value-added product development under uncertainty

open access: yesWaste Management Bulletin
Optimizing municipal solid waste (MSW) management through the production of valuable products and energy conversion is crucial to mitigate environmental damage and promote economic sustainability.
Muazzam Mukhtar   +5 more
doaj   +1 more source

Block scheduling in practice: An optimal decomposition strategy for nonidentical operating rooms

open access: yesDecision Sciences, EarlyView.
Abstract We develop and implement a Master Surgery Schedule for a real‐life hospital, assigning operating room (OR) time to surgical specialties over a multi‐week horizon. Through action research, we identify a critical operational challenge: the issue of split blocks. Split blocks allow two specialties to share an OR on the same day—one in the morning,
Vincent J. J. van Ham   +2 more
wiley   +1 more source

A note on the implementation of the BFC-MSMIP algorithm in C++ by using COIN-OR as an optimization engine [PDF]

open access: yes
The aim of this technical report is to present some detailed explanations in order to help to understand and use the algorithm Branch and Fix Coordination for solving MultiStage Mixed Integer Problems (BFC- MSMIP).
Escudero Bueno, Laureano F.   +3 more
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