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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,291 papers · 148 categories

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3673109145 · Jun 202019922001200920182026
48 results for food source

Deep learning system improves accuracy of food packaging date verification.

problem Improper labeling of food packaging poses health risks.
method Multi-source deep domain adaptation for domain-invariant representations and class boundary alignment.
result Significant improvement in classification accuracy of use-by date verification.

This study explores factors and enablers of compliance risk in Vietnamese seafood supply chain.

problem Compliance risk in Vietnamese seafood supply chain.
method Comprehensive literature review and expert interviews.
result Three main critical factor groups influencing compliance risk identified.

A new method clusters data from multiple sources using a mixture of multilayer SBMs.

problem Aggregating multiple clustering results from different data sources.
method Uses a mixture of multilayer Stochastic Block Models (SBM) to group co-membership matrices.
result Identifies and clusters observations based on their specificities within components.

KitcheNette predicts and recommends food ingredient pairings.

problem Limited study of food ingredient pairings despite many existing pairings.
method Siamese neural networks trained on a dataset of 300K scores.
result KitcheNette outperforms other models and discovers novel pairings.

Identifies community structure in international food trade networks.

problem Understanding how international food trade networks connect countries.
method Analysis of multi-layer network, econometric models.
result Probability of country pairs being in the same food trade community depends more on geopolitical and economic factors than on economic size.

Recent droughts in the midwestern United States threaten to cause global catastrophe driven by a speculator amplified food price bubble. Here we show the effect of speculators on food prices using a validated quantitative model that accurately describes historical food prices. During the last six years, high and fluctu…

2012-09-27abs ↗pdf ↗

Paper compares machine learning models for food authenticity.

problem Determining correct food labelling from NIR spectroscopic data.
method Applied and compared various classification, dimension reduction, and variable selection approaches to NIR datasets of meat, olive oil, and honey samples.
result Partial least squares outperformed other approaches in classifying food authenticity.

Increases in global food prices have led to widespread hunger and social unrest---and an imperative to understand their causes. In a previous paper published in September 2011, we constructed for the first time a dynamic model that quantitatively agreed with food prices. Specifically, the model fit the FAO Food Price I…

2012-03-06abs ↗pdf ↗

Wavelet analysis reveals financialization effects on oil-food price correlation.

problem Investigating the correlation between oil and food prices and their determinants.
method Wavelet analysis and energy-based measures to differentiate high and low frequency movements.
result Significant local correlation between food and oil is due to financialization and emerging economies' demand.

Study reveals clusters of resilient and vulnerable Spanish agri-food firms post-Ukraine-Russia war.

problem Financial resilience of agri-food companies in Spain during the Ukraine-Russia conflict.
method Cluster analysis using centred log-ratios for compositional data of financial ratios.
result Increase in resilient firms by 2023, highlighting sectoral adaptation to economic challenges.

Recommender system improves recall of omitted foods in online dietary surveys.

problem Improving accuracy of online dietary assessment surveys through recall assistance.
method Developed a recommender algorithm to remind respondents of omitted foods based on past survey data.
result The recommender system captures more omitted foods than hand-coded prompts, but with lower precision.

Algorithm improves resource allocation for food outreach to homeless.

problem Resource-constrained outreach for homeless individuals and food rescue.
method Thompson sampling with Markov chain recovery (via Stein variational gradient descent) for partially-observed episodic restless bandits.
result Significantly outperforms baselines in both organizations' problems.

Deep learning model reduces food waste by stabilizing online food delivery supply chains.

problem Wastage and bullwhip effect in online food delivery services.
method Two-phase LSTM network for demand forecasting, newsvendor model for inventory management.
result Significant reduction in bullwhip effect and food waste, improved forecasting accuracy.

Study predicts purchasing decisions of online food delivery customers.

problem Understanding and predicting consumer purchasing decisions in online food delivery.
method Used machine learning techniques including CART, C4.5, random forest, and rule-based classifiers to predict purchasing decisions.
result C4.5 decision tree model outperformed others with 91.67% accuracy.

Hybrid econometrics and ML for food policy priority analysis.

problem Constructing reliable measures of variable importance in econometrics.
method Conventional econometrics combined with advanced machine learning algorithms.
result Demonstrated the applicability of hybrid approach in policy priority issues.

Technical report predicts eating and food purchasing behaviors of free-living individuals.

problem Predicting eating and food purchasing behaviors of free-living individuals.
method Applied multiple machine learning algorithms (Logistic Regression, RBF-SVM, Random Forest, Gradient Boosting) to minute-level features from sensors and environmental context.
result Gradient Boosting model had the highest mean accuracy score (0.7289) for predicting eating events before 0 to 4 minutes.

Improved sales forecasting for new products using transfer learning.

problem Insufficient training data for new products leads to inaccurate sales forecasts.
method Network-based Transfer Learning approach for deep neural networks.
result Deep neural networks' prediction accuracy for food sales forecasting can be effectively increased.

Study finds WACC negatively impacts firm profitability in Bangladesh's food industry.

problem Determining the impact of Weighted Average Cost of Capital (WACC) on firm profitability.
method Fixed Effects Panel Regression Model using 12 food and allied industry companies from 2005-2019.
result WACC negatively correlates with firm profitability (ROA), significant relationship.

Conversion of corn to ethanol in the US since 2005 has been a major cause of global food price increases during that time and has been shown to be ineffective in achieving US energy independence and reducing environmental impact. We make three key statements to enhance understanding and communication about ethanol prod…

2012-10-22abs ↗pdf ↗

Study shows Lula's Zero Hunger program reduced income inequality in Brazil.

problem Income inequality in Brazil during Lula's administration.
method Breakpoint regression analysis using detailed descriptive statistics.
result The Zero Hunger program substantially reduced income inequality and provided income security for the poor.

Researchers develop a machine learning model to improve smell perception for food quality monitoring.

problem Limited data in target domain makes it hard to accurately classify food quality.
method Weakly supervised domain adaptation framework using multiple models in supervised and unsupervised settings.
result The approach generalizes well from one domain to another, improving food quality classification.

Research shows franchised fast food companies' stock prices decline more during recessions.

problem Impact of recession on franchised fast food companies' stock prices.
method Analyzed stock price data with Weibull distribution.
result Recessions have a more severe impact on franchised fast food companies' stock prices.

Study uses non-invasive sensors to assess microbial contamination in green salads.

problem Assessing microbial contamination in ready-to-eat green salads.
method Unified spectra analysis workflow with data normalization, feature selection, and partial least squares regression.
result Unified workflow provides efficient estimation of microbial contamination and shelf life.

Study adapts OHLC volatility estimators for monitoring market stress in diverse settings.

problem Limited use of range-based volatility estimators in local commodity markets.
method Adapted OHLC volatility estimators to monitor market distress across various contexts.
result OHLC-based volatility indicators detect market disruptions missed by standard momentum indicators.

We present Vector-Space Markov Random Fields (VS-MRFs), a novel class of undirected graphical models where each variable can belong to an arbitrary vector space. VS-MRFs generalize a recent line of work on scalar-valued, uni-parameter exponential family and mixed graphical models, thereby greatly broadening the class o…

2015-05-19abs ↗pdf ↗

Model reconstructs and simulates international trade networks under policy changes.

problem Reconstructing and simulating international trade networks under policy changes.
method Maximizing entropy based on local trade information to reconstruct networks; simulating structural changes using trade tariffs.
result Trade networks can be successfully reconstructed and simulated under policy changes.