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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.

169,181 papers · 148 categories

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21416282 · Jun 202019922001200920182026
48 results for tensor summarization

A new tensor-based layer reduces neural network dimensions without losing important features.

problem Reducing dimensionality in tensor-structured feature data for deep neural networks.
method TensorProjection layer that projects input tensors into output tensors with reduced dimensions through mode-wise projections.
result The TensorProjection layer outperforms traditional downsampling methods in tasks like medical image classification and segmentation.

SaMbaTen efficiently maintains tensor decompositions for growing datasets.

problem Maintaining tensor decompositions for dynamic, growing datasets.
method Sampling-based batch incremental tensor decomposition algorithm.
result SaMbaTen achieves comparable accuracy to state-of-the-art techniques but is significantly faster and scalable.

Abstract: Classifies 3D Lorentzian metrics with 4 Killing vectors.

problem Characterizing 3D Lorentzian metrics with specific Killing vector properties.
method Algebraic classification of traceless Ricci tensor, additional curvature conditions.
result Conditions for characterizing 3D Lorentzian metrics with 4 Killing vectors.

The study develops methods to summarize team passing strategies from soccer data.

problem Modeling spatial passing networks across multiple games with varying positions.
method Multiresolution tensor decomposition and Poisson nonnegative block term decomposition.
result Automatic production of network motifs at different levels of detail.

Proposes FATTNN for tensor-on-tensor regression with improved prediction and reduced computation.

problem Tensor-on-tensor regression with complex tensor structures and nonlinear relationships.
method Integrates tensor factor models into deep neural networks to handle nonlinearity and reduce data dimensionality.
result Significant improvements in prediction accuracy and computational efficiency over traditional methods.

Tensor factorization models offer an effective approach to convert massive electronic health records into meaningful clinical concepts (phenotypes) for data analysis. These models need a large amount of diverse samples to avoid population bias. An open challenge is how to derive phenotypes jointly across multiple hospi…

2017-04-11abs ↗pdf ↗

Current high-throughput data acquisition technologies probe dynamical systems with different imaging modalities, generating massive data sets at different spatial and temporal resolutions posing challenging problems in multimodal data fusion. A case in point is the attempt to parse out the brain structures and networks…

2015-06-19abs ↗pdf ↗

BKTR models spatiotemporal data with scalable tensor regression.

problem High computational cost in applying STVC to large-scale spatiotemporal data.
method Summarize STVC coefficients in a tensor, reformulate as low-rank tensor regression, incorporate GP priors for local dependencies.
result BKTR efficiently models large spatiotemporal datasets with reduced parameters and local dependencies.

Bayesian Tensor Network combines prior and data likelihood for efficient prediction and parameter estimation.

problem Overfitting and poor performance in Tensor Network models.
method Introduce prior distribution, use Laplace approximation for posterior predictive distribution, and propose stable initialization for parameter estimation.
result Reduces overfitting and improves performance of Tensor Network models.

Unified framework for efficient online training of RNNs.

problem Efficient and biologically plausible online training of recurrent neural networks.
method Organizes algorithms based on criteria like past vs. future facing, tensor structure, stochastic vs. deterministic, and closed form vs. numerical.
result Algorithms cluster according to criteria, revealing conceptual connections.

This paper introduces a new measure to identify model redundancy in compressed CNNs.

problem Identifying remaining model redundancy in compressed CNNs.
method Developed a statistical formulation of CNNs and compressed CNNs via tensor decomposition, revealing discrepancies in sample complexity and model redundancy.
result Introduced a new model redundancy measure, the K/RK/R ratio, for compressed CNNs.

This study improves text summarization and fake news detection using neural models.

problem Improving text summarization and detecting fake news.
method Exploring and comparing different neural models for text summarization, including LSTM-encoder-decoder, pointer-generator networks, and transformers. Applying these models as a feature extractor for fake news detection.
result The proposed neural models enhance text summarization and improve fake news detection accuracy.

Improved text summarization using belief propagation on weighted bipartite graphs.

problem Text summarization from a graph theory perspective.
method Generalized belief propagation algorithm for weighted bipartite graphs.
result Our algorithm outperforms greedy methods in text summarization tasks.

Improves document summarization by combining word embeddings and n-grams.

problem Exact word matching fails to measure semantic similarity between sentences.
method Uses deep embedding features and tf-idf features to improve sentence similarity measure; builds an improved sentence similarity graph; employs a submodular objective function; develops a Transformer-based compression model.
result Outperforms tf-idf based approach and achieves state-of-the-art performance on DUC04 dataset.

Analyzes unsupervised neural networks using statistical mechanics and Monte Carlo simulations.

problem Understanding computational capabilities of unsupervised neural networks.
method Statistical mechanics approach and Monte Carlo simulations.
result Obtained a phase diagram summarizing network performance.

Balancing graph summarization and change detection in streaming data.

problem Balancing compression rate in graph summarization and accuracy in change detection.
method Introducing a probabilistic hierarchical latent variable model and optimizing parameters based on the minimum description length principle to balance the trade-off.
result Guaranteed suppression of Type I error probability (false alarms) in change detection.

Study improves summarization reliability in risky scenarios.

problem Reliability of automatic summarization in high-risk contexts.
method Conditional generation with Bayesian inference and entropy regularization.
result Significant improvement in robustness and reliability of summarization.

Proposes RDASS for better Korean text summarization evaluation.

problem ROUGE scores fail to capture semantic meaning in Korean text summarization.
method Introduces RDASS metrics and a method to improve their correlation with human judgment.
result RDASS metrics correlate better with human judgment than ROUGE scores.

This study tackles Gaussian process regression with summarized data.

problem Learning and inference with summarized data (summary statistics, counts) in spatial modeling.
method Sample quasi-likelihood approach to Gaussian process regression.
result Approximation performance of the method is influenced by data granularity and covariance function length scale.

Convolutional neural network summarizes code comments across multiple languages.

problem Insufficient or missing comments in source code.
method Language-agnostic encoder-decoder model with open vocabulary.
result Comparable results to state-of-the-art on single-language data; first results on multi-language data.

A new model improves text summarization by integrating topic information.

problem Improving the coherence, diversity, and informativeness of text summarization.
method Integrates topic information into ConvS2S model and uses SCST for optimization.
result The proposed model outperforms state-of-the-art methods in abstractive summarization.

Automates summarizing federal grant audits with machine learning.

problem Manual analysis of large federal grant audits is time-consuming and error-prone.
method Sentence clustering, k-means, proximity to centroids, human input for refinement.
result Automated summaries are comparable to human-generated ones using ROUGE metric.

This paper improves video summarization using a new algorithm and dataset.

problem Efficiently summarizing videos for browsing and searching.
method Improves sequential determinantal point process (SeqDPP) with a large-margin algorithm and a new probabilistic distribution.
result Significantly improved video summarization model with better user input integration and diversity.

This paper explores sentence vector properties for automatic summarization.

problem Understanding the internal structure and properties of sentence vectors.
method Compositional sentence vector representations using artificial neural networks.
result Cosine similarity correlates with sentence importance and can identify gaps in summaries.

Paper introduces methods to automatically generate SOAP notes from patient-physician conversations.

problem Burden of creating digital SOAP notes by physicians.
method Cluster2Sent algorithm for summarizing patient-physician conversations.
result Cluster2Sent algorithm outperforms existing methods by 8 ROUGE-1 points.

In this paper we introduce a micro-clustering strategy for Functional Boxplots. The aim is to summarize a set of streaming time series splitted in non overlapping windows. It is a two step strategy which performs at first, an on-line summarization by means of functional data structures, named Functional Boxplot micro-c…

2012-12-12abs ↗pdf ↗

This paper presents a method to summarize directed graphs while preserving edge information.

problem Summarizing directed graphs while maintaining edge directionality.
method A model based on minimizing reconstruction error with non-negative constraints, related to Max-Cut criterion, using multiplicative update algorithms.
result The proposed method identifies compressed nodes and directed compressed relations, providing a more accurate representation of directed graphs.

The paper tackles fair and diverse data summarization using DPPs.

problem Tackles bias in data summarization methods.
method Uses determinantal measures of diversity and corresponding distributions (DPPs) to incorporate fairness constraints.
result Developed a fast sampler for constrained determinantal distributions that is provably good under certain conditions.

Improved text summarization using neural semantic encoders with hierarchical structure.

problem Capturing long-term dependencies in text summarization.
method Proposed a novel hierarchical Neural Semantic Encoder (NSE) model augmented with lemma and PoS tags.
result Significantly outperformed state-of-the-art models in ROUGE metric.

SummerTime summarizes variable-length time series for machine learning applications.

problem Classical machine learning methods struggle with variable-length time series data.
method Summarizes time series into a fixed-length feature vector using Gaussian Mixture Models (GMM).
result Improves classification and regression performance in physical activity analysis.

Few summaries enable automatic summarization of product reviews.

problem Lack of large labeled datasets for training supervised models in opinion summarization.
method Conditional Transformer model trained to generate summaries given other reviews, fine-tuned to predict summary properties.
result Few summaries (5-10) are sufficient to generate fluent, informative, and sentiment-preserving summaries.