Papers by Zihao Fu

12 papers
LLMs Assist NLP Researchers: Critique Paper (Meta-)Reviewing (2024.emnlp-main)

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Challenge: a comparative analysis of paper (meta-)reviews by large language models (LLMs) aims to identify and distinguish LLMs from human activities .
Approach: They present a comparative analysis to identify and distinguish LLM activities from human activities.
Outcome: The proposed analysis aims to improve recognition of instances when someone implicitly uses LLMs for reviewing activities.
Dynamic Topic Tracker for KB-to-Text Generation (2020.coling-main)

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Challenge: Existing KB-to-text generation models suffer from an off-topic problem . existing models generate unrelated clauses regardless of input data .
Approach: They propose a dynamic topic tracker that learns a global hidden representation for topics and recognizes the corresponding topic during each generation step.
Outcome: The proposed model improves the performance of sentence generation and mitigates off-topic problem.
Biomedical Named Entity Recognition via Dictionary-based Synonym Generalization (2023.emnlp-main)

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Challenge: Existing methods for biomedical named entity recognition require laborious human effort.
Approach: They propose a Synonym Generalization framework that recognizes biomedical concepts using span-based predictions.
Outcome: The proposed framework outperforms dictionary-based approaches on a wide range of benchmarks.
Unsupervised KB-to-Text Generation with Auxiliary Triple Extraction using Dual Learning (2020.aacl-main)

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Challenge: Existing methods to generate text from KB triples are limited and expensive . a novel approach is proposed to train the generation model in unsupervised way .
Approach: They propose a method which trains the generation model in a completely unsupervised way with unaligned raw text data and KB triples.
Outcome: The proposed method outperforms existing methods and is cost-effective.
Tandem: Riding Together with Large and Small Language Models for Efficient Reasoning (2026.findings-acl)

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Challenge: Recent advances in large language models (LLMs) have catalyzed the rise of reasoningintensive inference paradigms, where models perform explicit step-by-step reasoning before generating final answers.
Approach: They propose a large-small LLM collaboration framework that synergizes large and small language models to achieve high-quality reasoning with significantly reduced computational cost.
Outcome: The proposed framework outperforms the mentor LLM while preserving the benefits of the thinking paradigm of LLMs.
Learning to Translate by Translating: Stabilizing the Dual Loop via Semantic-Aware Self-Evolution (2026.findings-acl)

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Challenge: Large Language Models (LLMs) have been successful in machine translation, but lack of high-quality parallel corpora and cost constrain scalability.
Approach: They propose an LLM-driven dual-learning framework that enables autonomous translation . they employ a robust semantic-aware reward function that balances adequacy with reconstruction fidelity .
Outcome: The proposed model outperforms larger models on benchmarks and achieves parity with state-of-the-art supervised baselines on mainstream benchmarks.
RAG over Tables: Hierarchical Memory Index, Multi-Stage Retrieval, and Benchmarking (2026.findings-acl)

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Challenge: Retrieval-Augmented Generation (RAG) integrates knowledge from tables with an external knowledge base to improve the answer relevance and accuracy.
Approach: They propose a table-corpora-aware RAG framework called T-RAG to integrate external knowledge into Large Language Models (LLMs) they then develop a multi-table question answering benchmark called MultiTableQA which spans 3 different task types, 57,193 tables, and 23,758 questions in total.
Outcome: The proposed framework achieves state-of-the-art accuracy, recall, and runtime performance, with improvements of up to 9.4%.
Partially-Aligned Data-to-Text Generation with Distant Supervision (2020.emnlp-main)

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Challenge: Using partially-aligned data is an alternative way of solving the dataset scarcity problem.
Approach: They propose a task to generate human-readable text for describing some given structured data enabling more interpretability.
Outcome: The proposed framework outperforms baseline models and validates the feasibility of using partially-aligned data.
Can Graph Neural Networks Learn Language with Extremely Weak Text Supervision? (2025.acl-long)

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Challenge: Graph Neural Networks (GNNs) with CLIP pipeline are difficult because of the scarcity of labeled data and text supervision, different levels of downstream tasks, and conceptual gaps between domains.
Approach: They propose a multi-modal prompt learning paradigm to adapt pre-trained GNNs to downstream tasks with weak text supervision.
Outcome: The proposed model can generalize graphs to unseen classes with weak text supervision.
Learning Domain-Sensitive and Sentiment-Aware Word Embeddings (P18-1)

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Challenge: Existing word embeddings cannot produce domain-sensitive embeddables due to domain-specific nature of words.
Approach: They propose a method for learning domain-sensitive and sentiment-aware embeddings that captures sentiment semantics and domain sensitivity of individual words.
Outcome: The proposed method can produce domain-common embeddings and domain-specific embedds.
Fact Discovery from Knowledge Base via Facet Decomposition (N19-1)

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Challenge: Recent years have witnessed the emergence and growth of many large-scale knowledge bases (KBs) however, there are some issues unsettled towards enriching the KBs.
Approach: They propose a framework that decomposes the discovery problem into several facet components and an auto-encoder component to estimate some facets of the fact.
Outcome: The proposed framework achieves promising results on a benchmark dataset.
Decompose, Prioritize, and Eliminate: Dynamically Integrating Diverse Representations for Multimodal Named Entity Recognition (2024.lrec-main)

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Challenge: Existing research on multi-modal Named Entity Recognition (MNER) does not integrate all multi-modal representations to provide rich contextual information to improve NER.
Approach: They propose an iterative reasoning framework that integrates all the diverse multi-modal representations following the strategy of "decompose, prioritize, and eliminate" . they propose to use hierarchically connected fusion layers to prioritize transitions from "easy-to-hard" and "coarse-to fine"
Outcome: The proposed framework integrates all the diverse multi-modal representations following the strategy of "decompose, prioritize, and eliminate".

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