OOIR: Observatory of International Research

Papers

(The H4-Index of Annals of Operations Research is 48. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Model-based vs. agnostic methods for the prediction of time-varying covariance matrices	186
Alternatives to classical option pricing	172
Calculating Nash equilibrium on quantum annealers	168
Joint balancing and sequencing optimization for type-II robotic mixed-model assembly line considering energy consumption	160
Environmental efficiency evaluation of China’s coal-fired electricity supply chain enterprises with large-scale datasets: an enhanced build hull algorithm	158
Uncertainty and fluctuation in crude oil price: evidence from machine learning models	155
An extrapolation trust-region alternating least-squares algorithm for triple decomposition of third-order tensors	150
Fresh agricultural products logistics network optimization incorporating departure time under the origin e-commerce model	142
Social optimum in public transport networks when users choose strategies: analysis and comparison with Wardrop equilibrium	141
A novel deep learning approach to enhance creditworthiness evaluation and ethical lending practices in the economy	132
A purely buffer-based approach to the proactive and reactive resource-constrained project scheduling problem	125
Vulnerability analysis of China’s air and high-speed rail composite express network under different node attack strategies	110
A fuzzy-digraph matrix-based risk mitigation framework for halal supply chain management	107
An application of artificial intelligence for solving multi-visit scheduling and routing of multi-heterogeneous resources	101
Tail dependence-based fuzzy clustering of financial time series	101
Exploring servitization in the supply chain: a review of current research via bibliometric analysis and future study prospects	99
A comprehensive evaluation of constrained mean-expectile portfolios with short selling	94
Approximations for generalized unsplittable flow on paths with application to power systems optimization	90
Minmax due-date assignment on a two-machine flowshop	84
The impact of pollution on the dynamics of industry location and residence choice	80
Options as Silver Bullets: Valuation of Term Loans, Inventory Management, Emissions Trading and Insurance Risk Mitigation using Option Theory	78
Multifractal characteristics and return predictability in the Chinese stock markets	77
Exploring risk propagation in a multi-level supply chain network: a perspective of node perturbation	73
RETRACTED ARTICLE: Periapical dental X-ray image classification using deep neural networks	71
The connectedness and risk spillovers between bitcoin spot and futures markets: evidence from intraday data	70

Resilience analysis based on multi-layer network community detection of supply chain network	66
Mathematical programming formulations for the alternating current optimal power flow problem	65
Mathematical political districting taking care of minority groups	65
RETRACTED ARTICLE: Adoption of eco-friendly cars: mediated effects of attitude and moderation role of gender diversity across UAE market: application of extended version of theory of planned behaivour	64
The market reaction to operational risk events in the energy sector	61
Resilient retailer facility planning: optimizing location and service quality amidst competitors’ reactions	61
The minmax due-date assignment problem with acceptable lead-times	60
On $$\lambda $$-cent-dians and generalized-center for network design: formulations and algorithms	59
A Benders decomposition approach for a new sustainable pharmaceutical supply chain network: a case study in France	59
N-player and mean field games among fund managers considering excess logarithmic returns	59
Correction: Should we keep the tradition or follow the trend? The optimal live-streaming e-commerce mode selection in a sustainable and circular supply chain under competition	58
Exploration of applications with ChatGPT for green supply chain management	56
Do stock markets care about ESG and sentiments? Impact of ESG and investors' sentiment on share price prediction using machine learning	56
Achieving economic sustainability: operations research for risk analysis and optimization problems in the blockchain era	55
Platform pricing and blockchain adoption for capacity sharing with cross-network externality and supply risk	55
Operations and decarbonization of gasoline vehicle automakers under the dual credit policy: green technology innovation and electric vehicle market entry strategies	54
A goal-oriented reinforcement learning for optimal drug dosage control	53
Causality of total resource management in circular supply chain implementation under uncertainty: a context of textile industry in Indonesia	53
National IoMT platform strategy portfolio decision model under the COVID-19 environment: based on the financial and non-financial value view	52
Scheduling problems on parallel machines with machine-dependent generalized due-dates	52
Computing the hull number in toll convexity	50
Intuitionistic fuzzy least square twin support vector machines for pattern classification	49
Corporate sustainability, investment, and capital structure	49
Enablers for digital supply chain transformation in the service industry	48