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Sandipan Sikdar

6 accepted papers

2025

ACCESS DENIED INC: The First Benchmark Environment for Sensitivity Awareness

ACL 2025finding

Large language models (LLMs) are increasingly becoming valuable to corporate data management due to their ability to process text from various document formats and facilitate user interactions through natural language queries. However, LLMs must consider the sensitivity of information when communica…

2024

FairTrade: Achieving Pareto-Optimal Trade-Offs between Balanced Accuracy and Fairness in Federated Learning

AAAI 2024technical

As Federated Learning (FL) gains prominence in distributed machine learning applications, achieving fairness without compromising predictive performance becomes paramount. The data being gathered from distributed clients in an FL environment often leads to class imbalance. In such scenarios, balance…

2024

IVP-VAE: Modeling EHR Time Series with Initial Value Problem Solvers

AAAI 2024technical

Continuous-time models such as Neural ODEs and Neural Flows have shown promising results in analyzing irregularly sampled time series frequently encountered in electronic health records. Based on these models, time series are typically processed with a hybrid of an initial value problem (IVP) solver…

2022

SensePOLAR: Word sense aware interpretability for pre-trained contextual word embeddings

EMNLP 2022finding

Adding interpretability to word embeddings represents an area of active research in textrepresentation. Recent work has explored the potential of embedding words via so-called polardimensions (e.g. good vs. bad, correct vs. wrong). Examples of such recent approachesinclude SemAxis, POLAR, FrameAxis,…

2021

Integrated Directional Gradients: Feature Interaction Attribution for Neural NLP Models

ACL 2021long

In this paper, we introduce Integrated Directional Gradients (IDG), a method for attributing importance scores to groups of features, indicating their relevance to the output of a neural network model for a given input. The success of Deep Neural Networks has been attributed to their ability to capt…