Papers by Kushal Gupta
Improving Segmentation for Technical Support Problems (2020.acl-main)
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| Challenge: | Technical support problems are long and complex and cannot be correctly parsed by tools designed for natural language. |
| Approach: | They propose a sequence labelling task and a supervised text segmentation approach to solve this problem. |
| Outcome: | The proposed approach improves on the downstream task of answer retrieval. |
Dynatask: A Framework for Creating Dynamic AI Benchmark Tasks (2022.acl-demo)
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Tristan Thrush, Kushal Tirumala, Anmol Gupta, Max Bartolo, Pedro Rodriguez, Tariq Kane, William Gaviria Rojas, Peter Mattson, Adina Williams, Douwe Kiela
| Challenge: | Open source system for setting up custom NLP tasks aims to lower technical knowledge and effort required for hosting and evaluating state-of-the-art models. |
| Approach: | They propose to integrate Dynatask with Dynabench to simplify benchmarking . they use a dataset to collect and clean data and train and evaluate models . |
| Outcome: | Dynatask is an open source system for setting up custom NLP tasks . it is integrated with Dynabench, a research platform for rethinking benchmarking in AI . |
Salient Phrase Aware Dense Retrieval: Can a Dense Retriever Imitate a Sparse One? (2022.findings-emnlp)
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Xilun Chen, Kushal Lakhotia, Barlas Oguz, Anchit Gupta, Patrick Lewis, Stan Peshterliev, Yashar Mehdad, Sonal Gupta, Wen-tau Yih
| Challenge: | Existing sparse retrievers lack the ability to match salient phrases and rare entities in the query. |
| Approach: | They introduce a dense Lexical Model that can be trained to imitate a sparse one. |
| Outcome: | The proposed model outperforms sparse retrievers on a range of tasks including five question answering datasets and the MS MARCO passage retrieval. |
ERVQA: A Dataset to Benchmark the Readiness of Large Vision Language Models in Hospital Environments (2024.emnlp-main)
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| Challenge: | a global shortage of healthcare workers has demanded the development of smart healthcare assistants. |
| Approach: | They analyze the healthcare knowledge of existing Large Vision Language Models (LVLMs) using an annotated open-ended task. |
| Outcome: | The study analyzes the knowledge of large vision language models using open-ended questions . the results highlight the need for specialized, domain-specific solutions . |
Domain-matched Pre-training Tasks for Dense Retrieval (2022.findings-naacl)
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Barlas Oguz, Kushal Lakhotia, Anchit Gupta, Patrick Lewis, Vladimir Karpukhin, Aleksandra Piktus, Xilun Chen, Sebastian Riedel, Scott Yih, Sonal Gupta, Yashar Mehdad
| Challenge: | Existing approaches to improve performance of pre-training tasks are needed. |
| Approach: | They propose to pre-train large bi-encoder models on a recently released set of 65 millionsynthetically generated questions and 200 million post-comment pairs from a preexisting reddit conversation dataset. |
| Outcome: | The proposed model can be pre-trained on a set of 65 millionsynthetically generated questions and 200 million post-comment pairs from a preexisting dataset of Reddit conversations. |