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Weijia Xu

6 accepted papers

2025

Learning to Solve Complex Problems via Dataset Decomposition

NeurIPS 2025poster

Curriculum learning is a class of training strategies that organizes the data being exposed to a model by difficulty, gradually from simpler to more complex examples. This research explores a reverse curriculum generation approach that recursively decomposes complex datasets into simpler, more lear…

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2025

fLSA: Learning Semantic Structures in Document Collections Using Foundation Models

EMNLP 2025

Humans can learn to solve new tasks by inducing high-level strategies from example solutions to similar problems and then adapting these strategies to solve unseen problems. Can we use large language models to induce such high-level structure from example documents or solutions? We introduce fLSA, a

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2024

Reprompting: Automated Chain-of-Thought Prompt Inference Through Gibbs Sampling

ICML 2024poster

We introduce Reprompting, an iterative sampling algorithm that automatically learns the Chain-of-Thought (CoT) recipes for a given task without human intervention. Through Gibbs sampling, Reprompting infers the CoT recipes that work consistently well for a set of training samples by iteratively samp…

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2022

Constrained Regeneration for Cross-Lingual Query-Focused Extractive Summarization

COLING 2022main

Query-focused summaries of foreign-language, retrieved documents can help a user understand whether a document is actually relevant to the query term. A standard approach to this problem is to first translate the source documents and then perform extractive summarization to find relevant snippets. H…

Cited by 3Source ↗PDF ↗Scholar ↗
2021

Improving Multilingual Neural Machine Translation with Auxiliary Source Languages

EMNLP 2021finding

Multilingual neural machine translation models typically handle one source language at a time. However, prior work has shown that translating from multiple source languages improves translation quality. Different from existing approaches on multi-source translation that are limited to the test scena…