activity
20222025
most citedVirus2Vec: Viral Sequence Classification Using Machine Learning

5 citations · 9 across the 19 of their papers we have counts for

collaborators

20 papers

cs.CG2025

Uncovering Hierarchical Structure in LLM Embeddings Using Geometric and Topological Measures

Prakash Chourasia, Sarwan Ali, Murray Patterson +1

The rapid advancement of large language models (LLMs) has driven major advances across scientific domains, yet the hierarchical, geometric, and topological structure of their embed…

cs.LG2025

Boosting t-SNE Efficiency for Sequencing Data: Insights from Kernel Selection

Avais Jan, Prakash Chourasia, Sarwan Ali +1

Dimensionality reduction techniques are essential for visualizing and analyzing high-dimensional biological sequencing data. t-distributed Stochastic Neighbor Embedding (t-SNE) is…

cs.NE2024

Neuromorphic Spiking Neural Network Based Classification of COVID-19 Spike Sequences

Taslim Murad, Prakash Chourasia, Sarwan Ali +2

The availability of SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) virus data post-COVID has reached exponentially to an enormous magnitude, opening research doors to…

cs.LG2024

Computing Gram Matrix for SMILES Strings using RDKFingerprint and Sinkhorn-Knopp Algorithm

Sarwan Ali, Haris Mansoor, Prakash Chourasia +2

In molecular structure data, SMILES (Simplified Molecular Input Line Entry System) strings are used to analyze molecular structure design. Numerical feature representation of SMILE…

cs.LG2024★ 1 cited

DWFL: Enhancing Federated Learning through Dynamic Weighted Averaging

Prakash Chourasia, Tamkanat E Ali, Sarwan Ali +1

Federated Learning (FL) is a distributed learning technique that maintains data privacy by providing a decentralized training method for machine learning models using distributed b…

cs.LG2024

EPIC: Enhancing Privacy through Iterative Collaboration

Prakash Chourasia, Heramb Lonkar, Sarwan Ali +1

Advancements in genomics technology lead to a rising volume of viral (e.g., SARS-CoV-2) sequence data, resulting in increased usage of machine learning (ML) in bioinformatics. Trad…

cs.LG2024

MIK: Modified Isolation Kernel for Biological Sequence Visualization, Classification, and Clustering

Sarwan Ali, Prakash Chourasia, Haris Mansoor +2

The t-Distributed Stochastic Neighbor Embedding (t-SNE) has emerged as a popular dimensionality reduction technique for visualizing high-dimensional data. It computes pairwise simi…

cs.LG2024★ 1 cited

Position Specific Scoring Is All You Need? Revisiting Protein Sequence Classification Tasks

Sarwan Ali, Taslim Murad, Prakash Chourasia +4

Understanding the structural and functional characteristics of proteins are crucial for developing preventative and curative strategies that impact fields from drug discovery to po…

cs.LG2024

DANCE: Deep Learning-Assisted Analysis of Protein Sequences Using Chaos Enhanced Kaleidoscopic Images

Taslim Murad, Prakash Chourasia, Sarwan Ali +2

Cancer is a complex disease characterized by uncontrolled cell growth. T cell receptors (TCRs), crucial proteins in the immune system, play a key role in recognizing antigens, incl…

q-bio.GN2024★ 1 cited

Nearest Neighbor CCP-Based Molecular Sequence Analysis

Sarwan Ali, Prakash Chourasia, Bipin Koirala +1

Molecular sequence analysis is crucial for comprehending several biological processes, including protein-protein interactions, functional annotation, and disease classification. Th…

q-bio.BM2024

Expanding Chemical Representation with k-mers and Fragment-based Fingerprints for Molecular Fingerprinting

Sarwan Ali, Prakash Chourasia, Murray Patterson

This study introduces a novel approach, combining substruct counting, -mers, and Daylight-like fingerprints, to expand the representation of chemical structures in SMILES string…

cs.LG2024

A Universal Non-Parametric Approach For Improved Molecular Sequence Analysis

Sarwan Ali, Tamkanat E Ali, Prakash Chourasia +1

In the field of biological research, it is essential to comprehend the characteristics and functions of molecular sequences. The classification of molecular sequences has seen wide…

q-bio.GN2023★ 5 cited

Virus2Vec: Viral Sequence Classification Using Machine Learning

Sarwan Ali, Babatunde Bello, Prakash Chourasia +4

Understanding the host-specificity of different families of viruses sheds light on the origin of, e.g., SARS-CoV-2, rabies, and other such zoonotic pathogens in humans. It enables…

q-bio.GN2023

ViralVectors: Compact and Scalable Alignment-free Virome Feature Generation

Sarwan Ali, Prakash Chourasia, Zahra Tayebi +2

The amount of sequencing data for SARS-CoV-2 is several orders of magnitude larger than any virus. This will continue to grow geometrically for SARS-CoV-2, and other viruses, as ma…

cs.LG2023

T Cell Receptor Protein Sequences and Sparse Coding: A Novel Approach to Cancer Classification

Zahra Tayebi, Sarwan Ali, Prakash Chourasia +2

Cancer is a complex disease characterized by uncontrolled cell growth and proliferation. T cell receptors (TCRs) are essential proteins for the adaptive immune system, and their sp…

cs.LG2023

Efficient Classification of SARS-CoV-2 Spike Sequences Using Federated Learning

Prakash Chourasia, Taslim Murad, Zahra Tayebi +3

This paper presents a federated learning (FL) approach to train an AI model for SARS-Cov-2 variant classification. We analyze the SARS-CoV-2 spike sequences in a distributed way, w…

cs.LG2023★ 1 cited

Anderson Acceleration For Bioinformatics-Based Machine Learning

Sarwan Ali, Prakash Chourasia, Murray Patterson

Anderson acceleration (AA) is a well-known method for accelerating the convergence of iterative algorithms, with applications in various fields including deep learning and optimiza…

cs.LG2022

Informative Initialization and Kernel Selection Improves t-SNE for Biological Sequences

Prakash Chourasia, Sarwan Ali, Murray Patterson

The t-distributed stochastic neighbor embedding (t- SNE) is a method for interpreting high dimensional (HD) data by mapping each point to a low dimensional (LD) space (usually two-…

q-bio.QM2022

Reads2Vec: Efficient Embedding of Raw High-Throughput Sequencing Reads Data

Prakash Chourasia, Sarwan Ali, Simone Ciccolella +2

The massive amount of genomic data appearing for SARS-CoV-2 since the beginning of the COVID-19 pandemic has challenged traditional methods for studying its dynamics. As a result,…

q-bio.GN2022

PWM2Vec: An Efficient Embedding Approach for Viral Host Specification from Coronavirus Spike Sequences

Sarwan Ali, Babatunde Bello, Prakash Chourasia +3

COVID-19 pandemic, is still unknown and is an important open question. There are speculations that bats are a possible origin. Likewise, there are many closely related (corona-) vi…