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.

169,181 papers · 148 categories

Trend · papers per month

142284425567 · Jun 202019922001200920182026
48 results for semantic difference

Medusa detects significant modules in diverse biological data, improving gene-disease association predictions.

problem Ignoring semantic meanings in data modeling limits the value of diverse biological data.
method Medusa combines collective matrix factorization with submodular optimization to detect significant modules.
result Medusa outperforms methods ignoring semantic meanings in predicting gene-disease associations.

The paper measures semantic information production in generative models using information theory.

problem Measuring when semantic decisions are made during generative model training.
method Using an online formula for the optimal Bayesian classifier, the paper estimates conditional entropy and determines time intervals for highest information transfer.
result Semantic information transfer is highest in intermediate stages of diffusion, with different classes making decisions at different times.

Paper proposes a method to improve semantic segmentation for fisheye urban driving images.

problem Semantic segmentation for fisheye urban driving images is challenging due to distortion and lack of large datasets.
method A seven degrees of freedom augmentation method is proposed to transform rectilinear images into fisheye images.
result Training with seven-DoF augmentation improves model accuracy and robustness against distorted fisheye data.

The paper shows how integrating categorical semantics can enhance unsupervised domain translation.

problem Improving unsupervised domain translation between perceptually different domains.
method Learning invariant categorical semantic features in an unsupervised manner and conditioning them on the style encoder.
result Conditioning the style encoder on learned categorical semantics improves translation and stylization.

SAM adds semantic attributes to language models for better interpretation and style variation.

problem Improving text interpretation and style variation in language models.
method SAM includes document attributes, scores them, and embeds them into the model's input space.
result SAM generates interpretable texts and shows superior performance on various datasets.

EigenGAN discovers interpretable dimensions in GAN layers for semantic control.

problem Lack of explicit dimensions to control semantic attributes in GAN layers.
method EigenGAN embeds linear subspaces with orthogonal bases into each generator layer, learning eigen-dimensions corresponding to semantic attributes via adversarial training.
result EigenGAN can produce samples with continuous changes corresponding to specific semantic attributes.

SPAT improves adversarial robustness by preserving semantics in adversarial training.

problem Adversarial examples often have different semantics than original data, introducing unintended biases.
method Semantics-preserving adversarial training (SPAT) that encourages pixel perturbation shared among all classes.
result SPAT improves adversarial robustness and achieves state-of-the-art results in CIFAR-10 and CIFAR-100.

Deep learning captures semantic structure of large documents.

problem Understanding complex, structured documents like scholarly articles and business reports.
method Deep learning-based document ontology to capture semantic structure and domain-specific concepts.
result The ontology enhances semantic indexing for better understanding by humans and machines.

Paper surveys semantic segmentation for automated driving, highlighting challenges and solutions.

problem Semantic segmentation for automated driving.
method Taxonomic survey and empirical evaluation of semantic segmentation algorithms.
result Current semantic segmentation algorithms are not tailored for automated driving needs.

IdBench benchmarks semantic representations of identifiers, revealing strengths and weaknesses.

problem Evaluating semantic representations of identifiers in source code.
method Created a benchmark using developer ratings, evaluated natural language and source code embeddings, and compared lexical string distance functions.
result No single technique provides a satisfactory representation of semantic similarities, but ensemble models can improve performance.

Study shows gender bias in occupation classification tasks.

problem Gender bias in machine learning for occupation classification.
method Analyzed impact of explicit gender indicators in semantic representations of biographies.
result True positive rates differ between genders, correlating with existing gender imbalances.

Paper proposes using semantic spaces and traditional classifiers for sarcasm detection.

problem Sarcasm detection in text, especially on social media.
method Apply classical machine learning algorithms to texts represented in a Latent Semantic space.
result Established reference datasets and baselines for sarcasm detection.

Optimizes contrastive learning with individualized temperatures for better performance on imbalanced datasets.

problem The common practice of using a global temperature parameter ignores the varying semantic similarity across different anchor data.
method Proposes a new robust contrastive loss inspired by distributionally robust optimization (DRO) and an efficient stochastic algorithm for automatic temperature individualization.
result Our method automatically learns a suitable temperature for each sample, improving performance on imbalanced datasets.

ADS explains object differences by quantifying and removing underlying properties.

problem Explaining differences between two object images.
method Align-Deform-Subtract (ADS) framework that uses semantic alignments and iterative quantification/removal of differences.
result ADS provides disentangled error measures explaining object differences in terms of underlying properties.

A new text representation model combines CNN and VAE for better semantic extraction.

problem Difficult to effectively extract semantic features and distinguish polysemy in text data.
method Integrates CNN for feature extraction and VAE for consistent Gaussian distribution.
result The model outperforms traditional classification algorithms in text classification tasks.

DCoM uses deep neural networks to detect semantic data types from raw column values.

problem Detecting semantic data types from dirty and unseen data.
method DCoM employs multi-input NLP-based deep neural networks trained on 686,765 data columns.
result DCoM outperforms existing methods significantly on 78 different semantic data types.

Semantify-NN verifies neural network robustness against semantic perturbations.

problem Verifying robustness of neural networks against semantic adversarial attacks.
method Inserting semantic perturbation layers (SP-layers) into neural networks to verify robustness.
result Semantify-NN significantly improves robustness verification performance over p\ell_p-norm-based methods.

Merlin improves robustness of MTSF models to missing data.

problem Suboptimal forecasting performance due to unfixed missing rates in MTSF models.
method Offline knowledge distillation and multi-view contrastive learning.
result Merlin enhances robustness of MTSF models while preserving accuracy.

Paper improves short text clustering by integrating semantic relationships into Optimal Transport.

problem Erroneous pseudo-labels caused by neglecting semantic consistency in existing OT methods.
method Designs an instance-level attention mechanism to capture semantic relationships and integrates them into the OT formulation.
result Generates reliable pseudo-labels that improve clustering accuracy.

Paper proposes a method to transfer semantic information between weather conditions for vehicle control.

problem Poor generalization of end-to-end supervised learning for self-driving cars under different weather conditions.
method Divide vehicle control into two modules: a control module trained on one weather condition and a perception module using GANs for new conditions.
result Proposed method achieves similar steering angle prediction results as an end-to-end model trained with 15 different weather conditions.

Paper introduces SDM for detecting LLM hallucinations, improving on entropy tests.

problem Challenges of Large Language Models (LLMs) with non-factual, nonsensical responses.
method Joint clustering on sentence embeddings to measure semantic divergence between prompts and responses.
result SDM framework detects deeper form of arbitrariness in LLM responses.

Paper aims to bridge semantic gap between ML and InfoSec by labeling malware datasets with behavioral features.

problem Semantic gap between ML and InfoSec communities hinders ML's impact in InfoSec.
method Surveyed existing malware datasets and features, labeled with behavioral features using threat reports.
result Behavioral labeling alters analysis from intent to executable behavior, bridging semantic gap.

CM algorithm improves MMI classifications for unseen instances.

problem Improving classification accuracy for unseen instances using MMI criterion.
method Introduces CM algorithm for MMI classifications, combining semantic and Shannon channels for matching.
result Achieves high mutual information (99%) with minimal iterations in low-dimensional feature spaces.

Method meta-classifies semantic segmentation predictions using dispersion measures.

problem Assessing the quality of semantic segmentation predictions.
method Aggregates dispersion measures (entropy) of predicted probabilities to derive metrics correlated with IoU.
result Metrics correlate well with IoU, providing reliable prediction quality ratings.

This work benchmarks neural embeddings for link prediction in evolving knowledge graphs.

problem Evaluating the robustness of neural embeddings in changing knowledge graphs.
method Proposes an open-source evaluation pipeline using relation-centric connectivity measures.
result Demonstrates the importance of simulating embedding accuracy for frequently updated knowledge graphs.

The human face constantly conveys information, both consciously and subconsciously. However, as basic as it is for humans to visually interpret this information, it is quite a big challenge for machines. Conventional semantic facial feature recognition and analysis techniques are already in use and are based on physiol…

2015-12-02abs ↗pdf ↗

DNN-based cross-modal retrieval has become a research hotspot, by which users can search results across various modalities like image and text. However, existing methods mainly focus on the pairwise correlation and reconstruction error of labeled data. They ignore the semantically similar and dissimilar constraints bet…

2017-03-21abs ↗pdf ↗

METEOR learns efficient representations from multi-modal data streams.

problem Efficiently interpreting multi-modal information in complex environments.
method METEOR learns compact representations by sharing parameters within semantically meaningful groups and preserving domain-agnostic semantics.
result METEOR reduces memory usage by around 80% compared to conventional methods.

CDDN tackles visual relationship detection with context-dependent diffusion networks.

problem Combustion of combinatorial explosion in relation triplets detection.
method CDDN framework using semantic and visual scene graphs for adaptive information aggregation.
result CDDN achieves state-of-the-art performance on visual relationship detection datasets.

HAKE embeds entities in polar coordinates to model semantic hierarchies in knowledge graphs.

problem Lack of modeling semantic hierarchies in knowledge graph embeddings.
method HAKE embeds entities in a polar coordinate system, where the radial coordinate represents hierarchy levels and the angular coordinate distinguishes entities at the same level.
result HAKE significantly outperforms existing methods on link prediction tasks in knowledge graphs.

Improves U-Net for scale equivariance in semantic segmentation.

problem Improving generalization in semantic segmentation tasks with varying scales.
method Introduces Scale Equivariant U-Net (SEU-Net) with carefully applied subsampling and upsampling layers and scale-equivariant layers.
result Significantly improved generalization to different scales compared to U-Net and scale-equivariant architecture without upsampling.

This paper improves neural network explanations by quantifying and visualizing semantic compositions.

problem Improving neural network explanations for natural language processing tasks.
method Proposes a formal way to quantify word and phrase importance, introduces SCD and SOC algorithms.
result Our algorithms outperform prior methods in explaining neural network predictions.