Search Results for author: Rishabh Bhardwaj

Found 21 papers, 14 papers with code

Measuring and Enhancing Trustworthiness of LLMs in RAG through Grounded Attributions and Learning to Refuse

1 code implementation17 Sep 2024 Maojia Song, Shang Hong Sim, Rishabh Bhardwaj, Hai Leong Chieu, Navonil Majumder, Soujanya Poria

While many studies focus on evaluating the quality of end-to-end RAG systems, there is a lack of research on understanding the appropriateness of an LLM for the RAG task.

Ferret: Faster and Effective Automated Red Teaming with Reward-Based Scoring Technique

1 code implementation20 Aug 2024 Tej Deep Pala, Vernon Y. H. Toh, Rishabh Bhardwaj, Soujanya Poria

To overcome these limitations, we propose Ferret, a novel approach that builds upon Rainbow Teaming by generating multiple adversarial prompt mutations per iteration and using a scoring function to rank and select the most effective adversarial prompt.

AI and Safety Diversity +1

DELLA-Merging: Reducing Interference in Model Merging through Magnitude-Based Sampling

1 code implementation17 Jun 2024 Pala Tej Deep, Rishabh Bhardwaj, Soujanya Poria

With the proliferation of domain-specific models, model merging has emerged as a set of techniques that combine the capabilities of multiple models into one that can multitask without the cost of additional training.

GSM8K Math

Ruby Teaming: Improving Quality Diversity Search with Memory for Automated Red Teaming

no code implementations17 Jun 2024 Vernon Toh Yan Han, Rishabh Bhardwaj, Soujanya Poria

We propose Ruby Teaming, a method that improves on Rainbow Teaming by including a memory cache as its third dimension.

Diversity

HyperTTS: Parameter Efficient Adaptation in Text to Speech using Hypernetworks

1 code implementation6 Apr 2024 Yingting Li, Rishabh Bhardwaj, Ambuj Mehrish, Bo Cheng, Soujanya Poria

In this work, we present HyperTTS, which comprises a small learnable network, "hypernetwork", that generates parameters of the Adapter blocks, allowing us to condition Adapters on speaker representations and making them dynamic.

Domain Adaptation Speech Synthesis

Language Models are Homer Simpson! Safety Re-Alignment of Fine-tuned Language Models through Task Arithmetic

3 code implementations19 Feb 2024 Rishabh Bhardwaj, Do Duc Anh, Soujanya Poria

We demonstrate the effectiveness of RESTA in both parameter-efficient and full fine-tuning, covering a wide range of downstream tasks, including instruction following in Chinese, English, and Hindi, as well as problem-solving capabilities in Code and Math.

Instruction Following Math +1

Adapter Pruning using Tropical Characterization

no code implementations30 Oct 2023 Rishabh Bhardwaj, Tushar Vaidya, Soujanya Poria

Adapters are widely popular parameter-efficient transfer learning approaches in natural language processing that insert trainable modules in between layers of a pre-trained language model.

Language Modelling Transfer Learning

Language Model Unalignment: Parametric Red-Teaming to Expose Hidden Harms and Biases

1 code implementation22 Oct 2023 Rishabh Bhardwaj, Soujanya Poria

On open-source models such as VICUNA-7B and LLAMA-2-CHAT 7B AND 13B, it shows an attack success rate of more than 91%.

Language Modelling

ReMask: A Robust Information-Masking Approach for Domain Counterfactual Generation

no code implementations4 May 2023 Pengfei Hong, Rishabh Bhardwaj, Navonil Majumdar, Somak Aditya, Soujanya Poria

Our experiments empirically show that the counterfactual samples sourced from our masked text lead to improved domain transfer on 10 out of 12 domain sentiment classification settings, with an average of 2% accuracy improvement over the state-of-the-art for unsupervised domain adaptation (UDA).

counterfactual intent-classification +5

A Review of Deep Learning Techniques for Speech Processing

no code implementations30 Apr 2023 Ambuj Mehrish, Navonil Majumder, Rishabh Bhardwaj, Rada Mihalcea, Soujanya Poria

The power of deep learning techniques has opened up new avenues for research and innovation in the field of speech processing, with far-reaching implications for a range of industries and applications.

Automatic Speech Recognition Emotion Recognition +4

Evaluating Parameter-Efficient Transfer Learning Approaches on SURE Benchmark for Speech Understanding

1 code implementation2 Mar 2023 Yingting Li, Ambuj Mehrish, Shuai Zhao, Rishabh Bhardwaj, Amir Zadeh, Navonil Majumder, Rada Mihalcea, Soujanya Poria

To mitigate this issue, parameter-efficient transfer learning algorithms, such as adapters and prefix tuning, have been proposed as a way to introduce a few trainable parameters that can be plugged into large pre-trained language models such as BERT, and HuBERT.

Speech Synthesis Transfer Learning

Adaptation Approaches for Nearest Neighbor Language Models

no code implementations15 Nov 2022 Rishabh Bhardwaj, George Polovets, Monica Sunkara

Semi-parametric Nearest Neighbor Language Models ($k$NN-LMs) have produced impressive gains over purely parametric LMs, by leveraging large-scale neighborhood retrieval over external memory datastores.

Retrieval

Vector-Quantized Input-Contextualized Soft Prompts for Natural Language Understanding

1 code implementation23 May 2022 Rishabh Bhardwaj, Amrita Saha, Steven C. H. Hoi, Soujanya Poria

VIP particularly focuses on two aspects -- contextual prompts that learns input-specific contextualization of the soft prompt tokens through a small-scale sentence encoder and quantized prompts that maps the contextualized prompts to a set of learnable codebook vectors through a Vector quantization network.

Natural Language Understanding NER +3

KNOT: Knowledge Distillation using Optimal Transport for Solving NLP Tasks

2 code implementations COLING 2022 Rishabh Bhardwaj, Tushar Vaidya, Soujanya Poria

We propose a new approach, Knowledge Distillation using Optimal Transport (KNOT), to distill the natural language semantic knowledge from multiple teacher networks to a student network.

Emotion Recognition in Conversation Knowledge Distillation +4

Recognizing Emotion Cause in Conversations

1 code implementation22 Dec 2020 Soujanya Poria, Navonil Majumder, Devamanyu Hazarika, Deepanway Ghosal, Rishabh Bhardwaj, Samson Yu Bai Jian, Pengfei Hong, Romila Ghosh, Abhinaba Roy, Niyati Chhaya, Alexander Gelbukh, Rada Mihalcea

We address the problem of recognizing emotion cause in conversations, define two novel sub-tasks of this problem, and provide a corresponding dialogue-level dataset, along with strong Transformer-based baselines.

Causal Emotion Entailment Emotion Cause Extraction

Investigating Gender Bias in BERT

no code implementations10 Sep 2020 Rishabh Bhardwaj, Navonil Majumder, Soujanya Poria

As a result, predictions of downstream NLP models can vary noticeably by varying gender words, such as replacing "he" to "she", or even gender-neutral words.

text-classification Text Classification +1

Improving Aspect-Level Sentiment Analysis with Aspect Extraction

no code implementations3 May 2020 Navonil Majumder, Rishabh Bhardwaj, Soujanya Poria, Amir Zadeh, Alexander Gelbukh, Amir Hussain, Louis-Philippe Morency

Aspect-based sentiment analysis (ABSA), a popular research area in NLP has two distinct parts -- aspect extraction (AE) and labeling the aspects with sentiment polarity (ALSA).

Aspect-Based Sentiment Analysis Aspect Extraction +1

Twitter Homophily: Network Based Prediction of User's Occupation

1 code implementation ACL 2019 Jiaqi Pan, Rishabh Bhardwaj, Wei Lu, Hai Leong Chieu, Xinghao Pan, Ni Yi Puay

In this paper, we investigate the importance of social network information compared to content information in the prediction of a Twitter user{'}s occupational class.

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