collaborators

5 papers

cs.CR2026

DP-FlogTinyLLM: Differentially private federated log anomaly detection using Tiny LLMs

Isaiah Thompson, Tanmay Sen, Ritwik Bhattacharya

Modern distributed systems generate massive volumes of log data that are critical for detecting anomalies and cyber threats. However, in real world settings, these logs are often d…

stat.AP2025

Bayesian Optimum Warranty Region for Right Censored Two Dimensional Dependent Data

Tanmay Sen, Rathin Das, Ritwik Bhattacharya

Warranty policies play a crucial role in balancing customer satisfaction and cost of the manufacturer. Traditional one-dimensional warranty frameworks, based solely on either age o…

stat.AP2025

Computation of Optimal Type-II Progressing Censoring Scheme Using Genetic Algorithm Approach

Ujjwal Roy, Ritwik Bhattacharya

The experimenter must perform a legitimate search in the entire set of feasible censoring schemes to identify the optimal type II progressive censoring scheme, when applied to a li…

cs.LG2025

LogTinyLLM: Tiny Large Language Models Based Contextual Log Anomaly Detection

Isaiah Thompson Ocansey, Ritwik Bhattacharya, Tanmay Sen

Log anomaly detection using traditional rule based or deep learning based methods is often challenging due to the large volume and highly complex nature of log sequence. So effecti…

stat.AP2025

Determination of Optimum Warranty Region for Two Dimensional Dependent Data

Rathin Das, Tanmay Sen, Ritwik Bhattacharya +1

This paper presents a method for determining the optimal two-dimensional warranty region for age and mileage scales across all possible combinations of free replacement warranty (F…