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# Hi there!

I am a fourth year Ph.D. student under the supervision of [Dr. Huan Liu](https://www.public.asu.edu/~huanliu/) at the [Data Mining and Machine Learning Lab](https://dmml.asu.edu/home) at the School of CS & AI, Arizona State University. My current research primarily focuses on: (i) leveraging large language models (LLMs) for human-intensive tasks in a machine learning pipeline, (ii) robust detection of AI-generated content, and (iii) NLP applications in domain adaptation and domain generalization. During the summer of 2022, I interned at [Nokia Bell Labs](https://www.bell-labs.com/#gref) as a Software Systems Research Intern, under the guidance of Buvaneswari Ramanan and Thomas Woo, where I worked on problems in the realm of continual learning and low-resource learning in real-world use-cases.
I am a final year Ph.D. student under the supervision of [Dr. Huan Liu](https://www.public.asu.edu/~huanliu/) at the [Data Mining and Machine Learning Lab](https://dmml.asu.edu/home) at the School of CS & AI, Arizona State University. My current research primarily focuses on: (i) leveraging large language models (LLMs) for human-intensive tasks in a machine learning pipeline, (ii) robust detection of AI-generated content, and (iii) NLP applications in domain adaptation and domain generalization. During the summer of 2024, I was an Applied Research Intern at NVIDIA NeMo Guardrails, working with Christopher Parisien and Shaona Ghosh, on inference-time safety steering of large language models(LLMs). During the summer of 2022, I interned at [Nokia Bell Labs](https://www.bell-labs.com/#gref) as a Software Systems Research Intern, under the guidance of Buvaneswari Ramanan and Thomas Woo, where I worked on problems in the realm of continual learning and low-resource learning in real-world use-cases.
When I'm not working, I enjoy traveling, hiking, kayaking, camping and chilling with my cat Luna!

**<span style="color:red">I'm current on the industry job market, looking for Applied Scientist, Research Scientist or related roles, preferably around LLM research + product. Please reach out!</span>.**

# 📢 News

\[Sep 2024\] Two papers accepted at EMNLP 2024 Main Track: (1) [Defending Against Social Engineering Attacks in the Age of LLMs](https://arxiv.org/abs/2406.12263), (2) [Large Language Models for Data Annotation: A Survey](https://arxiv.org/abs/2402.13446).

\[Sep 2024\] Delivered an in-person tutorial on "Defending Against Generative AI Threats in NLP" at SBP-BRiMS 2024, Pittsburgh, PA, USA. [Tutorial Resources](https://github.com/AmritaBh/sbp24-llm-attack-defense-tutorial).

\[Sep 2024\] Received the SBP-BRiMS 2024 Student Travel Award!

\[Sep 2024\] Invited to be a Program Committee Member for SDM 2025.

\[Jun 2024\] Received the SIGIR 2024 NSF Travel Award!

\[Jun 2024\] Invited to be a Program Committee Member for AAAI 2025.

\[May 2024\] Invited to be a Program Committee Member for SBP-BRiMS 2024.

\[May 2024\] My chat with ScienceNewsExplores(SNE) got featured in this [SNE news story](https://www.snexplores.org/article/a-new-test-could-help-weed-out-ai-generated-text).

\[Apr 2024\] Our paper "Towards Interpretable Hate Speech Detection using Large Language Model-extracted Rationales" got accepted to NNACL WOAH 2024!

\[Apr 2024\] Gave an invited talk at the ASU Cronkite School of Journalism for an AI in Journalism course for Masters students in Investigative Journalism, on **Large Lnaguage Models: Opportunites and Threats in Journalism**. [Slides](https://drive.google.com/file/d/1qmG6btQ0CSf03iGNOzaX7LMmh5yyDb8N/view?usp=sharing)

\[Mar 2024\] Our demo paper "ResumeFlow: An LLM-facilitated Pipeline for Personalized Resume Generation and Refinement" has been accepted at SIGIR 2024! [Paper Link](https://arxiv.org/abs/2402.06221)
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Here's my [Résumé](https://drive.google.com/file/d/1baxNZXJvn9dxw_XDG3kJ4nzWwQ_cro5D/view?usp=sharing).
Here's my [Résumé](https://drive.google.com/file/d/14vqXDpdMIVPpkq-ErZdZEdX3tjEOoPw0/view?usp=sharing). Please reach out at abhatt43 at asu dot edu !

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You can also find my articles on <u><a href="https://scholar.google.com/citations?user=hdXXMPwAAAAJ&hl=en">my Google Scholar profile</a>.</u>
You can find all my articles at <u><a href="https://scholar.google.com/citations?user=hdXXMPwAAAAJ&hl=en">my Google Scholar profile</a>.</u>


## Recent Preprints!

1. **EAGLE: A Domain Generalization Framework for AI-generated Text Detection.** _Amrita Bhattacharjee_, Raha Moraffah, Joshua Garland, Huan Liu. [paper link](https://arxiv.org/abs/2403.15690)

2. **Towards Interpretable Hate Speech Detection using Large Language Model-extracted Rationales.** Ayushi Nirmal\*, _Amrita Bhattacharjee_\*, Paras Sheth, Huan Liu. (* Equal contribution) [paper link](https://arxiv.org/abs/2403.12403)

3. **Large Language Models for Data Annotation: A Survey.** Zhen Tan, Alimohammad Beigi, Song Wang, Ruocheng Guo, _Amrita Bhattacharjee_, Bohan Jiang, Mansooreh Karami, Jundong Li, Lu Cheng, Huan Liu. [paper link](https://arxiv.org/abs/2402.13446)
2. **Zero-shot LLM-guided Counterfactual Generation for Text.** _Amrita Bhattacharjee_, Raha Moraffah, Joshua Garland, Huan Liu. [paper link](https://arxiv.org/abs/2405.04793)

_____

## Accepted Publications
## Selected Accepted Publications


1. **Defending Against Social Engineering Attacks in the Age of LLMs.** Lin Ai\*, Tharindu Kumarage\*, Amrita Bhattacharjee\*, Zizhou Liu, Zheng Hui, Michael Davinroy, James Cook, Laura Cassani, Kirill Trapeznikov, Matthias Kirchner, Arslan Basharat, Anthony Hoogs, Joshua Garland, Huan Liu, Julia Hirschberg. **\[EMNLP 2024\]**

2. **Large Language Models for Data Annotation: A Survey.** Zhen Tan*, Dawei Li*, Song Wang*, Alimohammad Beigi, Bohan Jiang, _Amrita Bhattacharjee_, Mansooreh Karami, Jundong Li, Lu Cheng, Huan Liu. [paper link](https://arxiv.org/abs/2402.13446) **\[EMNLP 2024\]**

3. **Towards LLM-guided Causal Explainability for Black-box Text Classifiers.** _Amrita Bhattacharjee_, Raha Moraffah, Joshua Garland, Huan Liu. [paper link](https://www.researchgate.net/profile/Amrita-Bhattacharjee-3/publication/378142099_Towards_LLM-guided_Causal_Explainability_for_Black-box_Text_Classifiers/links/65c988bd1bed776ae341441d/Towards-LLM-guided-Causal-Explainability-for-Black-box-Text-Classifiers.pdf) **\[AAAI ReLM 2024\]**

4. **Adversarial Text Purification: A Large Language Model Approach for Defense.** Raha Moraffah, Shubh Khandelwal, _Amrita Bhattacharjee_, Huan Liu. [paper link](https://link.springer.com/chapter/10.1007/978-981-97-2262-4_6) **\[PAKDD 2024\]**

5. **🏆<span style="color:red">\[Outstanding Paper Award\]</span>🏆 ConDA: Contrastive Domain Adaptation for AI-generated Text Detection.** _Amrita Bhattacharjee_, Tharindu Kumarage, Raha Moraffah, Huan Liu [paper link](https://aclanthology.org/2023.ijcnlp-main.40.pdf) **\[IJCNLP-AACL 2023\]**

6. **Towards Interpretable Hate Speech Detection using Large Language Model-extracted Rationales.** Ayushi Nirmal\*, _Amrita Bhattacharjee_\*, Paras Sheth, Huan Liu. (* Equal contribution) [paper link](https://arxiv.org/abs/2403.12403) **\[NAACL WOAH 2024\]**

7. **J-Guard: Journalism Guided Adversarially Robust Detection of AI-generated News.** Tharindu Kumarage, _Amrita Bhattacharjee_, Djordje Padejski, Kristy Roschke, Dan Gillmor, Scott Ruston, Huan Liu, Joshua Garland. [paper link](https://aclanthology.org/2023.ijcnlp-main.32.pdf) **\[IJCNLP-AACL 2023\]**

8. **Fighting Fire with Fire: Can ChatGPT Detect AI-generated Text?** _Amrita Bhattacharjee_, Huan Liu. [paper link](https://dl.acm.org/doi/abs/10.1145/3655103.3655106) **\[ACM SIGKDD Explorations,Vol. 25, No. 2\]**

7. **Harnessing Artificial Intelligence to Combat Online Hate: Exploring the Challenges and Opportunities of Large Language Models in Hate Speech Detection.** Tharindu Kumarage\*, _Amrita Bhattacharjee_\*, Joshua Garland. **\[Book Chapter\]**

1. **Harnessing Artificial Intelligence to Combat Online Hate: Exploring the Challenges and Opportunities of Large Language Models in Hate Speech Detection.** Tharindu Kumarage\*, _Amrita Bhattacharjee_\*, Joshua Garland.
10. **Text Transformations in Contrastive Self-Supervised Learning: A Review.** Amrita Bhattacharjee, Mansooreh Karami, Huan Liu. [paper link](https://www.ijcai.org/proceedings/2022/0757.pdf) **\[IJCAI 2022 (Survey)\]**


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### Current Mentees:

1. Saurabh Bhausaheb Zinjad (MS CS) [LinkedIN](https://www.linkedin.com/in/saurabhzinjad/)
2. Aryan Vinod Keluskar (FURI Undergrad) [LinkedIN](https://www.linkedin.com/in/aryankeluskar/)


### Past Mentees:

1. Ayushi Nirmal (MS CS) [LinkedIN](https://www.linkedin.com/in/ayushi-nirmal/)
2. Saurabh Bhausaheb Zinjad (MS CS) [LinkedIN](https://www.linkedin.com/in/saurabhzinjad/)
3. Baixi Jiao (Undergrad)
4. Punit Sai Arani (Undergrad - Honors thesis)
5. Neha Balamurugan (Undergrad - Honors thesis)
4. Punit Sai Arani (Undergrad - Honors thesis) [LinkedIN](https://www.linkedin.com/in/punitarani/)
5. Neha Balamurugan (Undergrad - Honors thesis) [LinkedIN](https://www.linkedin.com/in/neha-balamurugan-8455981b1/)

### Past mentoring
Others:

Mentored 3 women for pursuing a research career in Computer Science via Women in Machine Learning (WiML) (Fall 2022)
- Mentored 3 women for pursuing a research career in Computer Science via Women in Machine Learning (WiML) (Fall 2022)

## Teaching

### Fall 2024: Project Coordinator and Guest Lecturer: CSE 472 - Social Media Mining

I am currently serving as the Project Coordinator and a Guest Lecturer for the course CSE 472: Social Media Mining, offered by my Ph.D advisor Dr. Huan Liu, in Fall 2024. Guest lectures: (1) Data Mining, (2) Introduction to Large Language Models: The Good, Bad and the Ugly [Slides](https://docs.google.com/presentation/d/1w-ZHnCWK4SdOFzwwzuNWrPF2aKz3T-ldNSniVL-6nGQ/edit?usp=sharing).
As project coordinnator: I am in charge of leading how course projects are designed, as well as designing two specific course project, mentoring and assisting students, and grading the final projects.



### Fall 2023: Project Coordinator and Mentor: Barrett Honors College

I served as the Project Coordinator whereby I designed and developed a project for the Barrett Honors college with the topic **Political Bias and Strategic Influence Operations in Large Language Models**. I also had the opportunity of mentoring 4 undergraduate students working on this interesting project.
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## Reviewing & Conference Duties


1. Program Committee Member for **AAAI 2023, AAAI 2024, IJCAI 2024 (Survey), SBP-BRiMS 2023**
1. Program Committee Member for **SDM 2025, AAAI 2025, AAAI 2024, AAAI 2023, IJCAI 2024 (Survey), SBP-BRiMS 2024, SBP-BRiMS 2023**


2. Reviewer for SNAM: Social Network Analysis and Mining, JNCA: Journal of Network and Computer Applications, IPM: Information Processing and Management, CogSys: Cognitive Systems Research, AAAI 2023, SBP-BRiMS 2023, AAAI 2024
2. External reviewer for SNAM: Social Network Analysis and Mining, JNCA: Journal of Network and Computer Applications, IPM: Information Processing and Management, CogSys: Cognitive Systems Research, Behavior and Information Technology, MINT workshop at NeuRIPS 2024.

3. Sub-reviewer for CIKM 2020, ASONAM 2020

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