OOIR: Observatory of International Research

Papers

(The H4-Index of Annals of Operations Research is 49. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Model-based vs. agnostic methods for the prediction of time-varying covariance matrices	168
Alternatives to classical option pricing	163
Calculating Nash equilibrium on quantum annealers	155
Joint balancing and sequencing optimization for type-II robotic mixed-model assembly line considering energy consumption	154
N-player and mean field games among fund managers considering excess logarithmic returns	145
Environmental efficiency evaluation of China’s coal-fired electricity supply chain enterprises with large-scale datasets: an enhanced build hull algorithm	141
Exploring risk propagation in a multi-level supply chain network: a perspective of node perturbation	140
Tail dependence-based fuzzy clustering of financial time series	140
An application of artificial intelligence for solving multi-visit scheduling and routing of multi-heterogeneous resources	138
Queueing analysis of a Car/Ride-Share system	135
A Benders decomposition approach for a new sustainable pharmaceutical supply chain network: a case study in France	133
A goal-oriented reinforcement learning for optimal drug dosage control	130
A semi-supervised multi-criteria sorting approach to constructing social vulnerability composite indicators	120
Green PLM: business goals-oriented algorithm assessing the greenness of a product in the new product development phase for the automotive industry	110
Confidence-interval-based fuzzy supplier selection model with lifetime performance index	104
Exploring servitization in the supply chain: a review of current research via bibliometric analysis and future study prospects	94
Extended formulation and Branch-and-Cut-and-Price algorithm for the two connected subgraph problem with disjunctive constraints	93
Vulnerability analysis of China’s air and high-speed rail composite express network under different node attack strategies	92
A comprehensive evaluation of constrained mean-expectile portfolios with short selling	91
A novel framework for risk management of software projects by integrating a new COPRAS method under cloud model and machine learning algorithms	90
Approximations for generalized unsplittable flow on paths with application to power systems optimization	84
Minmax due-date assignment on a two-machine flowshop	83
The impact of pollution on the dynamics of industry location and residence choice	77
A fuzzy-digraph matrix-based risk mitigation framework for halal supply chain management	74
Multifractal characteristics and return predictability in the Chinese stock markets	73

Options as Silver Bullets: Valuation of Term Loans, Inventory Management, Emissions Trading and Insurance Risk Mitigation using Option Theory	73
The connectedness and risk spillovers between bitcoin spot and futures markets: evidence from intraday data	69
Resilience analysis based on multi-layer network community detection of supply chain network	69
A novel deep learning approach to enhance creditworthiness evaluation and ethical lending practices in the economy	67
On $$\lambda $$-cent-dians and generalized-center for network design: formulations and algorithms	63
Operations and decarbonization of gasoline vehicle automakers under the dual credit policy: green technology innovation and electric vehicle market entry strategies	61
Mathematical programming formulations for the alternating current optimal power flow problem	61
Social optimum in public transport networks when users choose strategies: analysis and comparison with Wardrop equilibrium	57
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	57
Mathematical political districting taking care of minority groups	57
Fresh agricultural products logistics network optimization incorporating departure time under the origin e-commerce model	56
Toward interpretable machine learning: evaluating models of heterogeneous predictions	54
The market reaction to operational risk events in the energy sector	54
The minmax due-date assignment problem with acceptable lead-times	53
RETRACTED ARTICLE: Periapical dental X-ray image classification using deep neural networks	53
Resilient retailer facility planning: optimizing location and service quality amidst competitors’ reactions	53
Mispricing: failure to capture the risk preferences dependent on market states	52
Scheduling problems on parallel machines with machine-dependent generalized due-dates	52
Causality of total resource management in circular supply chain implementation under uncertainty: a context of textile industry in Indonesia	52
An extrapolation trust-region alternating least-squares algorithm for triple decomposition of third-order tensors	51
Innovative supply chain network design with two-step authentication and environmentally-friendly blockchain technology	50
A mathematical programming approach for equitable COVID-19 vaccine distribution in developing countries	50
Green channel coordination under asymmetric information	49
National IoMT platform strategy portfolio decision model under the COVID-19 environment: based on the financial and non-financial value view	49
Multi-criteria classification, sorting, and clustering: a bibliometric review and research agenda	49
Platform pricing and blockchain adoption for capacity sharing with cross-network externality and supply risk	49