Papers by Najim Dehak
Finding Spoken Identifications: Using GPT-4 Annotation for an Efficient and Fast Dataset Creation Pipeline (2024.lrec-main)
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Maliha Jahan, Helin Wang, Thomas Thebaud, Yinglun Sun, Giang Ha Le, Zsuzsanna Fagyal, Odette Scharenborg, Mark Hasegawa-Johnson, Laureano Moro Velazquez, Najim Dehak
| Challenge: | Existing datasets that are limited to a few dialects, ethnicities, and age groups are not annotated considering these factors. |
| Approach: | They propose a semi-automated dataset creation pipeline that leverages large language models to perform two complex annotation tasks using human annotations as ground truths. |
| Outcome: | The proposed pipeline reduces time required for the filtering and tagging tasks while losing no important information. |
What Helps Transformers Recognize Conversational Structure? Importance of Context, Punctuation, and Labels in Dialog Act Recognition (2021.tacl-1)
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| Challenge: | Existing punctuation in the transcripts has a massive effect on the models’ performance, and specific label set specificity does not affect dialog act segmentation performance. |
| Approach: | They apply two pre-trained transformer models to a conversation transcript as a sequence of dialog acts and achieve strong results on Switchboard Dialog Act and Meeting Recorder Dialog Act corpora. |
| Outcome: | The proposed models achieve 8.4% and 14.2% error rates on the Switchboard Dialog Act and Meeting Recorder Dialog Act corpora. |
Paired by the Teacher: Turning Unpaired Data into High-Fidelity Pairs for Low-Resource Text Generation (2025.emnlp-main)
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| Challenge: | a low-resource natural language generation task requires a large number of examples to generate outputs and outputs. |
| Approach: | They propose a teacher-student pipeline that synthesizes accurate input–output pairs without human labels or parallel data. |
| Outcome: | The proposed pipeline synthesizes accurate input–output pairs without human labels or parallel data. |