Papers by David Dai
Combining Character and Word Information in Neural Machine Translation Using a Multi-Level Attention (N18-1)
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| Challenge: | Neural machine translation models learn to map from source language sentences to target language sentences via continuous-space intermediate representations. |
| Approach: | They propose an encoder with character attention which augments the (sub)word-level representation with character-level information and a decoder with multiple attentions that enable the representations from different levels of granularity to control the translation cooperatively. |
| Outcome: | The proposed model outperforms the standard word-based model, subword-based models, and strong character-based ones on translation tasks. |
NusaCrowd: Open Source Initiative for Indonesian NLP Resources (2023.findings-acl)
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Samuel Cahyawijaya, Holy Lovenia, Alham Fikri Aji, Genta Winata, Bryan Wilie, Fajri Koto, Rahmad Mahendra, Christian Wibisono, Ade Romadhony, Karissa Vincentio, Jennifer Santoso, David Moeljadi, Cahya Wirawan, Frederikus Hudi, Muhammad Satrio Wicaksono, Ivan Parmonangan, Ika Alfina, Ilham Firdausi Putra, Samsul Rahmadani, Yulianti Oenang, Ali Septiandri, James Jaya, Kaustubh Dhole, Arie Suryani, Rifki Afina Putri, Dan Su, Keith Stevens, Made Nindyatama Nityasya, Muhammad Adilazuarda, Ryan Hadiwijaya, Ryandito Diandaru, Tiezheng Yu, Vito Ghifari, Wenliang Dai, Yan Xu, Dyah Damapuspita, Haryo Wibowo, Cuk Tho, Ichwanul Karo Karo, Tirana Fatyanosa, Ziwei Ji, Graham Neubig, Timothy Baldwin, Sebastian Ruder, Pascale Fung, Herry Sujaini, Sakriani Sakti, Ayu Purwarianti
| Challenge: | Existing NLP research in Indonesian languages has been held back by factors such as language diversity, orthographic variation, resource limitation and other societal challenges. |
| Approach: | They present a collaborative initiative to collect and unify existing resources for Indonesian languages and open access to previously non-public resources. |
| Outcome: | The results show that the datasets are highly reliable and can be used to generate the first zero-shot benchmarks for natural language understanding and generation in Indonesian and the local languages of Indonesia. |
Understanding the Behaviors of Environment-aware Information Retrieval (2026.acl-long)
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| Challenge: | Recent retrieval-augmented generation approaches have demonstrated strong capability in handling complex queries. |
| Approach: | They propose a branching-based rollout technique that improves training stability . they find different retrievers exhibit distinct optimal query styles . |
| Outcome: | The proposed method improves training stability and improves retrieval-aware systems. |
CLIP: A Dataset for Extracting Action Items for Physicians from Hospital Discharge Notes (2021.acl-long)
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James Mullenbach, Yada Pruksachatkun, Sean Adler, Jennifer Seale, Jordan Swartz, Greg McKelvey, Hui Dai, Yi Yang, David Sontag
| Challenge: | Continuity of care is crucial to ensuring positive health outcomes for patients discharged from an inpatient hospital setting. |
| Approach: | They propose to annotate clinical action items from a dataset of medical notes annotated by physicians and extract them as multi-aspect extractive summarization. |
| Outcome: | The proposed dataset is annotated by physicians and covers 718 documents representing 100K sentences. |