Papers by Shashi Bhushan Tn
DACIP-RC: Domain Adaptive Continual Instruction Pre-Training via Reading Comprehension on Business Conversations (2025.emnlp-industry)
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| Challenge: | Large Language Models (LLMs) have been used in real-world industrial scenarios for various natural language processing tasks, but their high inference cost makes their deployment impractical, necessitating the use of smaller models. |
| Approach: | They propose a continual pre-training technique that generates diverse task instructions and responses via reading comprehension on conversation transcripts, enabling better instruction generalization. |
| Outcome: | The proposed technique improves small LLMs’ domain adaptability for business conversational tasks, compared with traditional methods that rely on next-token prediction. |
BLINK with Elasticsearch for Efficient Entity Linking in Business Conversations (2022.naacl-industry)
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Md Tahmid Rahman Laskar, Cheng Chen, Aliaksandr Martsinovich, Jonathan Johnston, Xue-Yong Fu, Shashi Bhushan Tn, Simon Corston-Oliver
| Challenge: | Existing systems that align textual mentions of entities to knowledge bases are difficult to deploy in production environments. |
| Approach: | They propose a neural entity linking system that connects entities in business phone conversations to their corresponding Wikipedia and Wikidata entries. |
| Outcome: | The proposed system improves inference speed and memory consumption while maintaining high accuracy. |
AI Knowledge Assist: An Automated Approach for the Creation of Knowledge Bases for Conversational AI Agents (2025.emnlp-industry)
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| Challenge: | Existing knowledge base is time-consuming and deters the adoption of conversational AI systems in contact centers. |
| Approach: | They propose a system that extracts knowledge in the form of question-answer (QA) pairs from historical customeragent conversations to automatically build a knowledge base. |
| Outcome: | The proposed system outperforms larger closed-source LLMs on internal data and achieves above 90% accuracy in answering informationseeking questions. |
Entity-level Sentiment Analysis in Contact Center Telephone Conversations (2022.emnlp-industry)
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Xue-yong Fu, Cheng Chen, Md Tahmid Rahman Laskar, Shayna Gardiner, Pooja Hiranandani, Shashi Bhushan Tn
| Challenge: | Entity-level sentiment analysis is useful in a business context to understand user emotions towards certain entities. |
| Approach: | They propose to use a model that predicts the sentiment about entities mentioned in a given text to build an entity-level sentiment analysis system that analyzes English telephone conversation transcripts. |
| Outcome: | The proposed system analyzes English telephone conversation transcripts to provide business insight. |