Papers by Poojitha Nandigam
Diverse Multi-Answer Retrieval with Determinantal Point Processes (2022.coling-1)
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| Challenge: | Existing open domain question answering systems provide a single answer to ambiguous questions. |
| Approach: | They propose a re-ranking approach that takes query-passage relevance and passage-passance correlation into account to retrieve passages that are query-relevant and diverse. |
| Outcome: | The proposed method outperforms state-of-the-art on the AmbigQA dataset. |
How Inclusively do LMs Perceive Social and Moral Norms? (2025.findings-naacl)
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| Challenge: | Language models (LMs) are used in decision-making systems and as interactive assistants. |
| Approach: | They propose to prompt 11 LMs on rules-of-thumb and compare their outputs with 100 human annotators. |
| Outcome: | The proposed model is compared with 100 human annotators to find out if they are inclusive of diverse human values. |