Research
On-device research index

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

Trend · papers per month

168337505673 · Jun 202019922001200920182026
48 results for Graphical predictive classifier

Graphical classifier handles model uncertainty with Bayesian model averaging.

problem Model selection uncertainty in Bayesian classification.
method Particle Gibbs strategy for posterior sampling from decomposable graphical models.
result Proposed classifier outperforms standard Bayesian and other classifiers.

AGM uses adversarial approach for robust prediction in structured prediction problems.

problem Structured prediction problems with complex relationships between variables.
method Adversarial Graphical Models (AGM) for distributionally robust prediction.
result AGM achieves Fisher consistency and flexibility in loss metrics.

Two new Hie-TAN and Hie-TAN-Lite algorithms improve TAN for hierarchical feature spaces.

problem Learning dependencies in hierarchical feature spaces.
method Exploits hierarchical parent-child relationships as constraints to learn a dependency tree.
result Hie-TAN-Lite outperforms Hie-TAN and other methods in predictive accuracy.

This review classifies deep generative models from a graphical modeling perspective.

problem Learning with deep generative models from a graphical modeling perspective.
method Organized from graphical modeling perspective, differentiating model definitions from learning algorithms.
result Different learning algorithms can be applied to the same model.

Often we wish to predict a large number of variables that depend on each other as well as on other observed variables. Structured prediction methods are essentially a combination of classification and graphical modeling, combining the ability of graphical models to compactly model multivariate data with the ability of …

2010-11-17abs ↗pdf ↗

New algorithm improves learning of latent-variable models.

problem Learning general latent-variable graphical models is challenging.
method Predictive Belief Propagation algorithm for general latent-variable graphical models.
result Significantly outperforms EM and spectral algorithms.

A new method combines Gaussian graphical models for better distributed Gaussian process predictions.

problem Poor results from traditional DGP due to violated conditional independence assumption.
method Proposes using Gaussian graphical models to aggregate local predictions from subsets of data.
result Our method outperforms other state-of-the-art DGP approaches on both synthetic and real datasets.

New method tests independence and learns graphs without manual choices.

problem Testing independence of multivariate random variables is hard.
method Link between independence testing and supervised learning.
result Predictive independence tests outperform current methods.

The study proves properties of translating solitons in 3D space.

problem Characterizing translating solitons in R3\mathbb{R}^3.
method Analyzing mean curvature flow and mean convex translating solitons.
result Proves convexity of complete immersed translating solitons and classifies them.

Let (X,Y)(X,Y) be a random variable consisting of an observed feature vector XXX\in \mathcal{X} and an unobserved class label Y{1,2,...,L}Y\in \{1,2,...,L\} with unknown joint distribution. In addition, let D\mathcal{D} be a training data set consisting of nn completely observed independent copies of (X,Y)(X,Y). Usual classification…

2008-01-18abs ↗pdf ↗

The task of matching co-referent records is known among other names as rocord linkage. For large record-linkage problems, often there is little or no labeled data available, but unlabeled data shows a reasonable clear structure. For such problems, unsupervised or semi-supervised methods are preferable to supervised met…

2012-07-12abs ↗pdf ↗

NETpred uses graph models to predict multiple market indices.

problem Predicting multiple market indices with high accuracy.
method NETpred constructs a heterogeneous graph of related indices and stocks, selects representative nodes, and uses semi-supervised learning to predict index labels.
result NETpred outperforms state-of-the-art methods by 3%-5% in F-score on various datasets.

Agents learn their states from interactions using Bayesian classifiers and ML estimators.

problem Learning unknown states from score graphs in social networks.
method Bayesian framework, local classifiers, centralized ML estimator, relaxed probabilistic model.
result Agents can learn their states through distributed computation.

Study complete space-like stationary surfaces with graphical Gauss image, estimating exceptional values and classifying degenerate surfaces.

problem Estimating exceptional values and classifying degenerate surfaces in Minkowski spacetime.
method Generalizing Fujimoto's theorem, estimating upper bounds, introducing conjugate similarity, and establishing structure theorems.
result Sharp contrast to Bernstein type results for minimal surfaces, estimating upper bounds of exceptional values.

Modeling complex systems with multi-resolution data and causal dependencies.

problem Accurate prediction of complex systems with varying causal dependencies and multi-resolution data.
method Score-based Variational Graphical Diffusion Model (Temporal-SVGDM) that constructs individual SDEs for each variable at its native resolution and couples them through a causal score mechanism.
result Improved prediction accuracy and causal understanding compared to existing methods, especially in temporal scenarios.

We consider the problem of learning Bayesian network classifiers that maximize the marginover a set of classification variables. We find that this problem is harder for Bayesian networks than for undirected graphical models like maximum margin Markov networks. The main difficulty is that the parameters in a Bayesian ne…

2012-07-04abs ↗pdf ↗

Unified framework for analyzing stable learning algorithms across different dataset shifts.

problem Analyzing and comparing stability of learning algorithms across various dataset shifts.
method Causal graphical representation to express dataset shifts and a hierarchy of operators to disable shift-causing edges.
result Established conditions for optimal performance and derived new algorithms for finding stable distributions.

A method to select important experts for Gaussian processes to balance computational efficiency and uncertainty quantification.

problem Balancing computational efficiency and uncertainty quantification in Gaussian processes for big data.
method Using graphical models to select important experts and aggregate their predictions while ensuring uncertainty quantification.
result Substantially reduces computational cost of aggregating dependent experts while ensuring calibrated uncertainty quantification.

A variety of real-world tasks involve the classification of images into pre-determined categories. Designing image classification algorithms that exhibit robustness to acquisition noise and image distortions, particularly when the available training data are insufficient to learn accurate models, is a significant chall…

2016-03-08abs ↗pdf ↗

The paper proposes new models for short-term traffic flow forecasting.

problem Short-term traffic flow forecasting in network-scale ITS.
method Combining graphical lasso and neural networks with multi-link models and multi-task learning.
result The proposed models improve prediction accuracy and efficiency.

The paper shows cross-validation fails in learning Gaussian graphical model structures.

problem Cross-validation's failure in learning Gaussian graphical model structures.
method Finite-sample bounds on misidentification probability of Lasso estimator.
result Cross-validation is inconsistent for learning Gaussian graphical model structures.

Develops a new model for deep structured prediction with non-linear output transformations.

problem Limited neighborhood structure and inability to transform output space in deep structured models.
method Introduces a novel model that generalizes existing approaches and maintains applicability of inference techniques.
result Demonstrates improved flexibility and applicability of deep structured models through non-linear output transformations.

VARENN visualizes climate data in 2D images for analysis.

problem Lack of integrated spatiotemporal data in climate models.
method VARENN uses convolutional neural networks to summarize monthly climate data into 2D color images.
result VARENN models accurately classify temperature and precipitation changes.

SG-PALM learns interpretable tensor models for high-dimensional data.

problem Learning interpretable tensor models for high-dimensional data.
method SG-PALM combines Sylvester generative model and fast proximal alternating linearized minimization.
result SG-PALM converges linearly to global optimum and scales to high dimensions.

New algorithms bound graph structure sampling and learning high-dimensional graphical models.

problem Learning high-dimensional graphical models and efficient graph structure sampling.
method Online learning framework with exponentially weighted average (EWA) or randomized weighted majority (RWM) forecasters using log loss function.
result New sample complexity bounds and efficient algorithms for learning Bayes nets, including trees and chordal skeletons.

Bayesian method predicts runtime metrics for fog manufacturing.

problem Accurate prediction of runtime performance metrics in fog manufacturing.
method Bayesian sparse regression for multivariate mixed responses.
result Enhanced prediction and statistical inferences of runtime metrics.