activity
20182025
most citedBayesian graph convolutional neural networks for semi-supervised classification

23 citations · 104 across the 19 of their papers we have counts for

collaborators

20 papers

cs.LG2025

C3PO: Optimized Large Language Model Cascades with Probabilistic Cost Constraints for Reasoning

Antonios Valkanas, Soumyasundar Pal, Pavel Rumiantsev +2

Large language models (LLMs) have achieved impressive results on complex reasoning tasks, but their high inference cost remains a major barrier to real-world deployment. A promisin…

cs.LG2025

FEval-TTC: Fair Evaluation Protocol for Test-Time Compute

Pavel Rumiantsev, Soumyasundar Pal, Yingxue Zhang +1

The performance of Large Language Models (LLMs) and the associated dollar costs of API calls can fluctuate over time, potentially invalidating conclusions drawn in prior research.…

stat.ML2025

GraphPPD: Posterior Predictive Modelling for Graph-Level Inference

Soumyasundar Pal, Liheng Ma, Amine Natik +2

Accurate modelling and quantification of predictive uncertainty is crucial in deep learning since it allows a model to make safer decisions when the data is ambiguous and facilitat…

cs.AI2025

Reasoning on a Budget: A Survey of Adaptive and Controllable Test-Time Compute in LLMs

Mohammad Ali Alomrani, Yingxue Zhang, Derek Li +14

Large language models (LLMs) have rapidly progressed into general-purpose agents capable of solving a broad spectrum of tasks. However, current models remain inefficient at reasoni…

hep-th2025

Extended-BMS Anomalies and Flat Space Holography

Laurent Baulieu, Luca Ciambelli, Tom Wetzstein

We geometrically determine the BRST symmetry of a three-dimensional extended BMS field theory defined at the null boundary of asymptotically flat four-dimensional spaces. We then d…

cs.CL2024

Refining Answer Distributions for Improved Large Language Model Reasoning

Soumyasundar Pal, Didier Chételat, Yingxue Zhang +1

Large Language Models (LLMs) have exhibited an impressive capability to perform reasoning tasks, especially if they are encouraged to generate a sequence of intermediate steps. Rea…

cs.CL2024★ 1 cited

Enhancing Logical Reasoning in Large Language Models through Graph-based Synthetic Data

Jiaming Zhou, Abbas Ghaddar, Ge Zhang +7

Despite recent advances in training and prompting strategies for Large Language Models (LLMs), these models continue to face challenges with complex logical reasoning tasks that in…

cs.LG2024★ 1 cited

CKGConv: General Graph Convolution with Continuous Kernels

Liheng Ma, Soumyasundar Pal, Yitian Zhang +3

The existing definitions of graph convolution, either from spatial or spectral perspectives, are inflexible and not unified. Defining a general convolution operator in the graph do…

stat.ME2023

Population Monte Carlo with Normalizing Flow

Soumyasundar Pal, Antonios Valkanas, Mark Coates

Adaptive importance sampling (AIS) methods provide a useful alternative to Markov Chain Monte Carlo (MCMC) algorithms for performing inference of intractable distributions. Populat…

cs.LG2023★ 18 cited

Multi-resolution Time-Series Transformer for Long-term Forecasting

Yitian Zhang, Liheng Ma, Soumyasundar Pal +2

The performance of transformers for time-series forecasting has improved significantly. Recent architectures learn complex temporal patterns by segmenting a time-series into patche…

stat.ML2022★ 4 cited

Node Copying: A Random Graph Model for Effective Graph Sampling

Florence Regol, Soumyasundar Pal, Jianing Sun +3

There has been an increased interest in applying machine learning techniques on relational structured-data based on an observed graph. Often, this graph is not fully representative…

cs.LG2022★ 4 cited

Bag Graph: Multiple Instance Learning using Bayesian Graph Neural Networks

Soumyasundar Pal, Antonios Valkanas, Florence Regol +1

Multiple Instance Learning (MIL) is a weakly supervised learning problem where the aim is to assign labels to sets or bags of instances, as opposed to traditional supervised learni…

stat.ML2021★ 3 cited

RNN with Particle Flow for Probabilistic Spatio-temporal Forecasting

Soumyasundar Pal, Liheng Ma, Yingxue Zhang +1

Spatio-temporal forecasting has numerous applications in analyzing wireless, traffic, and financial networks. Many classical statistical models often fall short in handling the com…

cs.LG2020

Node Copying for Protection Against Graph Neural Network Topology Attacks

Florence Regol, Soumyasundar Pal, Mark Coates

Adversarial attacks can affect the performance of existing deep learning models. With the increased interest in graph based machine learning techniques, there have been investigati…

cs.LG2020★ 1 cited

Active Learning on Attributed Graphs via Graph Cognizant Logistic Regression and Preemptive Query Generation

Florence Regol, Soumyasundar Pal, Yingxue Zhang +1

Node classification in attributed graphs is an important task in multiple practical settings, but it can often be difficult or expensive to obtain labels. Active learning can impro…

stat.ML2020★ 6 cited

Non-Parametric Graph Learning for Bayesian Graph Neural Networks

Soumyasundar Pal, Saber Malekmohammadi, Florence Regol +3

Graphs are ubiquitous in modelling relational structures. Recent endeavours in machine learning for graph-structured data have led to many architectures and learning algorithms. Ho…

cs.LG2019★ 13 cited

Bayesian Graph Convolutional Neural Networks using Node Copying

Soumyasundar Pal, Florence Regol, Mark Coates

Graph convolutional neural networks (GCNN) have numerous applications in different graph based learning tasks. Although the techniques obtain impressive results, they often fall sh…

cs.LG2019★ 9 cited

Bayesian Graph Convolutional Neural Networks Using Non-Parametric Graph Learning

Soumyasundar Pal, Florence Regol, Mark Coates

Graph convolutional neural networks (GCNN) have been successfully applied to many different graph based learning tasks including node and graph classification, matrix completion, a…

stat.ML2018★ 23 cited

Bayesian graph convolutional neural networks for semi-supervised classification

Yingxue Zhang, Soumyasundar Pal, Mark Coates +1

Recently, techniques for applying convolutional neural networks to graph-structured data have emerged. Graph convolutional neural networks (GCNNs) have been used to address node an…

stat.ME2018★ 21 cited

Invertible Particle Flow-based Sequential MCMC with extension to Gaussian Mixture noise models

Yunpeng Li, Soumyasundar Pal, Mark Coates

Sequential state estimation in non-linear and non-Gaussian state spaces has a wide range of applications in statistics and signal processing. One of the most effective non-linear f…