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

20405979 · May 202619922001200920182026
48 results for unstructured outcomes

Proposes a method to infer causal effects from unstructured outcomes like text and images.

problem Traditional causal inference methods are inadequate for outcomes like text and images.
method Identifies the maximally contrasting feature (MCF) and learns a feature-scoring function to estimate causal effects.
result The method recovers salient aspects of outcomes changed by treatments in text and image settings.

Proposes a new method to estimate causal effects of unstructured treatments.

problem Estimating causal effects of unstructured treatments like text or images.
method Maximally Influential Feature (MIF) method to identify key features influencing outcomes.
result Developed algorithms to estimate and apply the MIF to improve outcomes in various contexts.

This study shows unstructured clinical notes can improve mortality prediction.

problem Lack of effective use of unstructured clinical notes in mortality prediction.
method Used a hierarchical architecture with convolutional and recurrent layers to predict in-hospital mortality from unprocessed clinical notes.
result Achieved higher metrics in mortality prediction compared to structured data approaches.

GPI uses GenAI models to infer causal and predictive effects from unstructured data.

problem Estimating causal and predictive effects from unstructured data like text and images.
method Leverages open-source GenAI models to generate and represent unstructured data, applying machine learning to these representations.
result GPI efficiently estimates causal and predictive effects with quantified uncertainty, without fine-tuning.

A new method monitors unstructured 3D shapes without registration.

problem Error-prone registration and mesh reconstruction steps in PCD monitoring.
method Intrinsic geometric properties of shapes, using Laplacian and geodesic distances.
result Effective monitoring of defects without registration and mesh reconstruction.

Improved model predicts ICU readmission and mortality with interpretable results.

problem Lack of clinically interpretable predictions from deep learning models on clinical notes.
method Augmented a convolutional model with an attention mechanism for clinical note prediction.
result Attention mechanism improves prediction performance while providing interpretable results.

We consider the linear contextual bandit problem with resource consumption, in addition to reward generation. In each round, the outcome of pulling an arm is a reward as well as a vector of resource consumptions. The expected values of these outcomes depend linearly on the context of that arm. The budget/capacity const…

2015-07-24abs ↗pdf ↗

DeepPAMM models complex survival data with deep learning, improving predictive performance.

problem Complex hazard structures in survival analysis with small data sets and censoring.
method Deep learning framework for piecewise exponential models, addressing high-dimensional feature settings.
result DeepPAMM outperforms other machine learning approaches in predictive performance.

Paper uses RL and DCAE to classify large unstructured data with fewer features.

problem Classifying large unstructured data with high precision using fewer features.
method Deep Convolutional Autoencoder (DCAE) for feature learning and Double DQN/Retrace RL algorithms for policy optimization.
result The approach achieves high classification precision with fewer features than traditional methods.

Paper provides conditions for reliable use of pre-trained embeddings in econometrics.

problem Uncertainty in using pre-trained embeddings for econometric tasks.
method Derives sufficient conditions and convergence rates for machine learning models with pre-trained embeddings.
result Establishes theoretical foundations for reliable use of pre-trained embeddings in econometrics.

GMLS-Nets extend CNNs to unstructured data points.

problem Learning from irregularly spaced data points in science and engineering.
method Introducing GMLS for non-parametric estimation and parameterizing it for learning operators with unstructured stencils.
result GMLS-Nets provide a framework for functional regression and quantity prediction from unstructured data.

Satellite imagery helps adjust for unobserved confounders in observational studies.

problem Adjusting for confounding factors in observational studies with non-tabular data like satellite imagery.
method Formalizing conditions for causal effect identification, estimation, and sensitivity analysis.
result Demonstrated the use of satellite imagery as a proxy for unobserved confounders in anti-poverty aid programs.

This paper explains how transformers learn from unstructured data in ICL.

problem Understanding how transformers learn from unstructured data in in-context learning.
method A simple transformer model with one or two attention layers and positional encoding is used to study the role of each component in ICL.
result A transformer with two attention layers and a look-ahead attention mask can learn from unstructured data.

New scalable multi-class SVM for structured and unstructured data.

problem Classification of structured and unstructured data.
method Bayesian multi-class support vector machine with pseudo-likelihood, variational inference, and inducing point approximation.
result Outperforms competitor methods in training time and accuracy.

SparseRT accelerates sparse computations on GPUs for deep learning inference.

problem Efficiently handling unstructured sparsity patterns on GPUs for deep learning.
method SparseRT, a code generator that leverages unstructured sparsity for accelerating sparse linear algebra operations.
result Geometric mean speedups of 3.4x at 90% sparsity and 5.4x at 95% sparsity for 1x1 convolutions and fully connected layers.

Study introduces a benchmark suite for evaluating neural MI estimators on real-world unstructured datasets.

problem Lack of comprehensive evaluation methods for neural MI estimators on real-world unstructured datasets.
method Developed a benchmark suite using same-class sampling and a binary symmetric channel trick.
result Showed accurate manipulation of true MI values of real-world datasets.

FedSight AI predicts federal funds rate using LLMs and multi-agent reasoning.

problem Predicting Federal Open Market Committee's decisions on federal funds rate.
method Multi-agent framework with large language models, structured and unstructured inputs, and CoD extension for efficient reasoning.
result Achieved 93.75% accuracy and 93.33% stability in predicting FOMC outcomes.

LLMs learn new tasks from unstructured data, but it depends on word co-occurrence and positional information.

problem Understanding how LLMs can learn new tasks from unstructured data without explicit training.
method Examined the capabilities of LLMs trained on unstructured data, focusing on sequence model requirements and training data structure.
result Many ICL capabilities can emerge from word co-occurrence in unstructured data, but positional information is crucial for certain tasks.

Develops ΦΦ-DVAE for assimilating unstructured data into physical models.

problem Challenges in incorporating unstructured data into physical models.
method Physics-informed dynamical variational autoencoder (ΦΦ-DVAE) combining latent state-space model and VAE.
result Demonstrates data-efficient dynamics encoding with competitive performance and uncertainty quantification.

Unstructured data refers to information that does not have a predefined data model or is not organized in a pre-defined manner. Loosely speaking, unstructured data refers to text data that is generated by humans. In after-sales service businesses, there are two main sources of unstructured data: customer complaints, wh…

2016-07-26abs ↗pdf ↗

Prototype learns automotive industry ontology from unstructured data.

problem Automatic learning of domain-specific ontologies from unstructured text data.
method Two-stage classification system: first classifier for concepts and irrelevant collocates, second classifier for concept types.
result Prototype validated with automotive industry complaint and repair data.

Enhanced regime shifts detection using unstructured text and financial data.

problem Detecting regime shifts in financial markets is challenging due to noisy and multicollinear data.
method Combines LLM reasoning on unstructured text and statistical validation on financial time series.
result Framework achieves F1 score of 0.82, outperforming pure data-driven methods.

Paper tackles product categorization with structured and unstructured attributes for large-scale eCommerce.

problem Challenges in categorizing products with thousands of classes and millions of products.
method Compares hierarchical and flat models, uses Deep Learning for feature extraction, combines structured and unstructured attributes.
result Flat models perform better in specific cases, and the proposed approach handles faulty attribute names and values.

Develops methods to improve demand counterfactuals from imperfect proxies.

problem Imperfect proxies in demand models lead to biased counterfactuals and invalid inference.
method Practical toolkit for market-level and individual data, requiring minimal computation.
result Improves substitution prediction and counterfactual performance.

This paper compares unstructured and structured EM-based semi-supervised learning methods.

problem Semi-supervised learning with EM algorithm for structured prediction.
method Comparative study between unstructured and structured EM-based semi-supervised learning methods.
result Structured EM is more robust to class confusion in flood mapping datasets.

PODNet discovers plannable options from unstructured demonstrations.

problem Learning from unstructured, multi-objective demonstrations.
method Custom categorical variational autoencoder, recurrent option inference network, option-conditioned policy network, and option dynamics model.
result PODNet enables learning from demonstration for multiple tasks and planning.

ASOS improves fashion product recommendations by learning from unstructured data.

problem Lack of consistent product information in e-commerce.
method Developed a hybrid recommender system to learn product attributes from unstructured data.
result Quantitative understanding of products improves recommendation accuracy.

Automated tests detect interactions in unstructured data.

problem Detecting interactions between latent variables in low-dimensional systems.
method Derive two interaction tests based on pairwise interventions and integrate them into an active learning pipeline.
result Tests can identify more known biological interactions than random search and standard active learning baselines.

Quantum algorithm finds extrema in discrete optimisation problems.

problem Finding extrema in discrete optimisation functions.
method Quantum unstructured search algorithm (QSERA) to map and find extrema.
result Quadratic speed-up over classical algorithms for discrete optimisation.

New method uses LLMs to extract financial insights from Q&A sections of reports.

problem Scalability and accuracy issues in extracting valuable insights from financial report Q&A sections.
method Combines retrieval-augmented generation technique with metadata.
result Empirically demonstrates superior performance of the proposed method.

Study uses LLMs to create personalized treatment plans for rare gynecological tumors.

problem Suboptimal management and poor prognosis due to low incidence and heterogeneity of rare gynecological tumors.
method Developed a digital twin system using LLMs to integrate clinical and biomarker data.
result LLM-enabled digital twins efficiently model individual patient trajectories and identify potential treatment options.

Study copyright's impact on creative industries using AI-generated fonts.

problem Estimating supply and demand in creative industries with AI-generated content.
method Neural network embeddings, spatial regression, event-study analyses, structural model of supply and demand.
result Copyright can raise consumer welfare by encouraging product relocation.

This study creates a new conceptual framework for news aggregation.

problem Aggregating and presenting diverse news sources in a unified and accessible way.
method Developed a mobile app that analyzes unstructured data patterns to create a conceptual framework for news.
result Users can easily find and navigate through updated news using a new conceptual multilevel structure.

New algorithm identifies outliers in PCA without needing parameters.

problem Robust PCA with unknown outlier fraction and subspace dimension.
method Non-iterative, parameter-free method for structured and unstructured outliers.
result Analytical guarantees and performance comparison with existing methods.

BCCNet combines biased crowd labels to train classifiers for disaster response.

problem Improper labels from citizen scientists limit machine learning applications.
method Bayesian classifier combination neural network (BCCNet) aggregates and trains classifiers from imperfect labels.
result BCCNet effectively processes large unstructured data for disaster prevention and response.

To date, there have been massive Semi-Structured Documents (SSDs) during the evolution of the Internet. These SSDs contain both unstructured features (e.g., plain text) and metadata (e.g., tags). Most previous works focused on modeling the unstructured text, and recently, some other methods have been proposed to model …

2015-07-30abs ↗pdf ↗