Papers by Xin Luna Dong
CoRI: Collective Relation Integration with Data Augmentation for Open Information Extraction (2021.acl-long)
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| Challenge: | Existing methods to integrate extracted knowledge from the Web to knowledge graphs (KGs) however, the predictions are made independently, which can be mutually inconsistent. |
| Approach: | They propose a relation integration model that aligns free-text relations to relations in a target KG . they propose combining two stages to make independent predictions and a collective model that accesses all candidate predictions. |
| Outcome: | The proposed model outperforms baseline models on two datasets and improves AUC from .677 to .748 and from 1.716 to 1.780. |
Tab-Cleaner: Weakly Supervised Tabular Data Cleaning via Pre-training for E-commerce Catalog (2023.acl-industry)
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Kewei Cheng, Xian Li, Zhengyang Wang, Chenwei Zhang, Binxuan Huang, Yifan Ethan Xu, Xin Luna Dong, Yizhou Sun
| Challenge: | Existing methods for analyzing textual attributes in product catalogs are not effective on structured tabular data since they are trained on free-form natural language texts. |
| Approach: | They propose a model to handle error detection over tabular data following a pre-training paradigm. |
| Outcome: | The proposed model improves on a real-world Amazon Product Catalog table by 16% over state-of-the-art methods and by 11% on PR AUC over attribute value validation task. |
Head-to-Tail: How Knowledgeable are Large Language Models (LLMs)? A.K.A. Will LLMs Replace Knowledge Graphs? (2024.naacl-long)
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| Challenge: | Existing large language models lack knowledge of nuanced, domain-specific details and are susceptible to hallucinations. |
| Approach: | They construct a benchmark that measures head, torso, and tail facts in terms of popularity. |
| Outcome: | The proposed model is based on 18K question-answer pairs regarding head, torso, and tail facts in terms of popularity. |
VideoMind: Thinking in Steps for Long Video Understanding (2026.eacl-industry)
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Shubhang Bhatnagar, Renxiong Wang, Kapil Krishnakumar, Adel Ahmadyan, Zhaojiang Lin, Lambert Mathias, Xin Luna Dong, Babak Damavandi, Narendra Ahuja, Seungwhan Moon
| Challenge: | Multimodal Large Language Models struggle with Long Video Understanding due to their limited context window and the distributed nature of salient information across many redundant frames. |
| Approach: | They propose a training framework that mimics a human reasoning process to train Long Video Understanding models. |
| Outcome: | The proposed framework achieves 77.6% performance on Video MME, LongVideo, and MLVU benchmarks while yielding 5% improvement on Llama 4 Scout. |
End-to-End Conversational Search for Online Shopping with Utterance Transfer (2021.emnlp-main)
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Liqiang Xiao, Jun Ma, Xin Luna Dong, Pascual Martínez-Gómez, Nasser Zalmout, Chenwei Zhang, Tong Zhao, Hao He, Yaohui Jin
| Challenge: | a new study proposes a conversational search system that integrates product attributes and dialog with search . but it faces two real world challenges: imperfect product schema/knowledge and lack of training dialog data . |
| Approach: | They propose an end-to-end conversational search system that integrates search with text . they propose an utterance transfer approach that generates dialogue utterations from other domains . |
| Outcome: | The proposed system outperforms the best tested baseline in a conversational search dataset for online shopping. |
TXtract: Taxonomy-Aware Knowledge Extraction for Thousands of Product Categories (2020.acl-main)
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| Challenge: | State-of-the-art methods for knowledge extraction are designed for a single category of product, but do not apply to real-life e-Commerce scenarios. |
| Approach: | They propose a taxonomy-aware knowledge extraction model that applies to thousands of categories organized in a hierarchical taxonomies. |
| Outcome: | The proposed model outperforms state-of-the-art methods on 4,000 categories in F1 and 15% across all categories. |
OpenCeres: When Open Information Extraction Meets the Semi-Structured Web (N19-1)
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| Challenge: | Open Information Extraction (OpenIE) is a problem of extracting triples from natural language text whose predicate relations are not aligned to any pre-defined ontology. |
| Approach: | They propose an open-source method to extract triples from semi-structured websites . they use a semi-supervised label propagation technique to create training data for relations . |
| Outcome: | The proposed method extracts over 2 million triples from 31 websites in the movie vertical. |
LinkNBed: Multi-Graph Representation Learning with Entity Linkage (P18-1)
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| Challenge: | Knowledge graphs have emerged as an important model for studying complex multi-relational data. |
| Approach: | They propose a deep relational learning framework that learns entity and relationship representations across multiple graphs. |
| Outcome: | The proposed framework improves on the state-of-the-art relational learning approaches and identifies entity linkage across graphs. |
Knowledge Extraction on Semi-Structured Content: Does It Remain Relevant for Question Answering in the Era of LLMs? (2026.eacl-long)
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Kai Sun, Yin Huang, Srishti Mehra, Mohammad Kachuee, Xilun Chen, Renjie Tao, Zhaojiang Lin, Andrea Jessee, Nirav Shah, Alex L Betty, Yue Liu, Anuj Kumar, Wen-tau Yih, Xin Luna Dong
| Challenge: | Existing literature on knowledge extraction for question answering questions whether it is still relevant for question answerrs. |
| Approach: | They extend an existing benchmark with knowledge extraction annotations and evaluate commercial and open-source LLMs of varying sizes. |
| Outcome: | The proposed model can achieve high QA accuracy, but can still benefit from knowledge extraction through augmentation with extracted triples and multi-task learning. |
Memory-QA: Answering Recall Questions Based on Multimodal Memories (2025.emnlp-main)
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Hongda Jiang, Xinyuan Zhang, Siddhant Garg, Rishab Arora, Shiun-Zu Kuo, Jiayang Xu, Aaron Colak, Xin Luna Dong
| Challenge: | Memory-QA is a real-world task that involves answering recall questions about visual content from previously stored multimodal memories. |
| Approach: | They propose a memory-QA task that involves answering recall questions about visual content from previously stored multimodal memories. |
| Outcome: | The proposed solution improves memory recording, compression, storage, and search accuracy over state-of-the-art solutions. |
ZeroShotCeres: Zero-Shot Relation Extraction from Semi-Structured Webpages (2020.acl-main)
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| Challenge: | Existing work on information extraction from semi-structured websites has relied on manual data annotation and learning a model specific to a given template. |
| Approach: | They propose a solution for “zero-shot” open-domain relation extraction from webpages with previously unseen templates using a graph neural network-based approach. |
| Outcome: | The proposed model provides a 31% gain over baseline for zero-shot extraction in a new subject vertical. |
PrismRAG: Boosting RAG Factuality with Distractor Resilience and Strategized Reasoning (2025.emnlp-industry)
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Mohammad Kachuee, Teja Gollapudi, Minseok Kim, Yin Huang, Kai Sun, Xiao Yang, Jiaqi Wang, Nirav Shah, Yue Liu, Aaron Colak, Anuj Kumar, Wen-tau Yih, Xin Luna Dong
| Challenge: | Existing methods to improve factuality of large language models (LLMs) rely on human-engineered instructions. |
| Approach: | They propose a retrieval-augmented generation framework that trains the model with distractor-aware QA pairs mixing gold evidence with subtle distractor passages and instills reasoning-centric habits that make the LLM plan, rationalize, and synthesize without extensive human engineered instructions. |
| Outcome: | The proposed framework outperforms state-of-the-art solutions across 12 open-book RAG QA benchmarks and is being deployed in production. |
Proactive Assistant Dialogue Generation from Streaming Egocentric Videos (2025.emnlp-main)
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Yichi Zhang, Xin Luna Dong, Zhaojiang Lin, Andrea Madotto, Anuj Kumar, Babak Damavandi, Joyce Chai, Seungwhan Moon
| Challenge: | Recent advances in conversational AI have been substantial, but developing real-time tasks guidance systems remains a challenge. |
| Approach: | They propose a data curation pipeline that synthesizes dialogues from annotated egocentric videos and a suite of automatic evaluation metrics that validated through extensive human studies. |
| Outcome: | The proposed framework synthesizes dialogues from annotated egocentric videos and validates them through extensive human studies. |
KERAG: Knowledge-Enhanced Retrieval-Augmented Generation for Advanced Question Answering (2025.findings-emnlp)
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| Challenge: | Traditional Knowledge Graph Question Answering (KGQA) methods rely on semantic parsing to retrieve knowledge strictly necessary for answer generation. |
| Approach: | They propose a retrieval-filtering-summarization pipeline that enhances QA coverage by retrieving a broader subgraph likely to contain relevant information. |
| Outcome: | The proposed pipeline surpasses state-of-the-art solutions by about 7% in quality and exceeds GPT-4o (Tool) by 10-21%. |
AdaTag: Multi-Attribute Value Extraction from Product Profiles with Adaptive Decoding (2021.acl-long)
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| Challenge: | Existing approaches to extract product attribute values are limited by knowledge sharing across different attributes. |
| Approach: | They propose to use adaptive decoding to handle extraction of product attribute values by parameterizing the decoder with pretrained attribute embeddings, through a hypernetwork and a Mixture-of-Experts module. |
| Outcome: | The proposed model is able to handle multiple attributes without sharing the entire network parameters across all attributes. |
Multi-modal Information Extraction from Text, Semi-structured, and Tabular Data on the Web (2020.acl-tutorials)
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| Challenge: | a tutorial explores the commonalities in the challenges and solutions developed to address information extraction from the World Wide Web. |
| Approach: | This tutorial examines methods for extracting information from the World Wide Web . it explores the commonalities in the challenges and solutions developed to address these different forms of text . |
| Outcome: | This paper examines the commonalities in the challenges and solutions developed to address the World Wide Web. |