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Neural machine translation on low-resource language is challenging due to the lack of bilingual sentence pairs. Previous works usually solve the low-resource translation problem with knowledge transfer in a multilingual setting. In this…

Computation and Language · Computer Science 2019-08-20 Tianyu He , Jiale Chen , Xu Tan , Tao Qin

Understanding infographic charts with design-driven visual elements (e.g., pictograms, icons) requires both visual recognition and reasoning, posing challenges for multimodal large language models (MLLMs). However, existing visual-question…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Tianchi Xie , Minzhi Lin , Mengchen Liu , Yilin Ye , Changjian Chen , Shixia Liu

Integrating Large Language Models (LLMs) with Knowledge Graphs (KGs) results in complex systems with numerous hyperparameters that directly affect performance. While such systems are increasingly common in retrieval-augmented generation,…

Artificial Intelligence · Computer Science 2025-06-02 Vasilije Markovic , Lazar Obradovic , Laszlo Hajdu , Jovan Pavlovic

Large Language Models (LLMs) often struggle with requests related to information retrieval and data manipulation that frequently arise in real-world scenarios under multiple conditions. In this paper, we demonstrate that leveraging tabular…

Artificial Intelligence · Computer Science 2026-01-09 Jio Oh , Geon Heo , Seungjun Oh , Hyunjin Kim , JinYeong Bak , Jindong Wang , Xing Xie , Steven Euijong Whang

Discrete reasoning over table-text documents (e.g., financial reports) gains increasing attention in recent two years. Existing works mostly simplify this challenge by manually selecting and transforming document pages to structured tables…

Computation and Language · Computer Science 2024-02-23 Fengbin Zhu , Chao Wang , Fuli Feng , Zifeng Ren , Moxin Li , Tat-Seng Chua

Despite the success of large language models (LLMs) in Text-to-SQL tasks, open-source LLMs encounter challenges in contextual understanding and response coherence. To tackle these issues, we present \ours, a systematic methodology tailored…

Computation and Language · Computer Science 2024-05-14 Xiaojun Chen , Tianle Wang , Tianhao Qiu , Jianbin Qin , Min Yang

Large Language Models (LLMs) demonstrate exceptional performance in textual understanding and tabular reasoning tasks. However, their ability to comprehend and analyze hybrid text, containing textual and tabular data, remains unexplored.…

Computation and Language · Computer Science 2025-01-03 Chongjian Yue , Xinrun Xu , Xiaojun Ma , Lun Du , Zhiming Ding , Shi Han , Dongmei Zhang , Qi Zhang

Tabular data embedded in PDF files, web pages, and other types of documents is prevalent in various domains. These tables, which we call human-centric tables (HCTs for short), are dense in information but often exhibit complex structural…

We present LinkQ, a system that leverages a large language model (LLM) to facilitate knowledge graph (KG) query construction through natural language question-answering. Traditional approaches often require detailed knowledge of a graph…

Computation and Language · Computer Science 2025-02-11 Harry Li , Gabriel Appleby , Ashley Suh

Graph-based Retrieval-Augmented Generation (RAG) has proven effective in integrating external knowledge into large language models (LLMs), improving their factual accuracy, adaptability, interpretability, and trustworthiness. A number of…

Information Retrieval · Computer Science 2026-04-28 Yingli Zhou , Yaodong Su , Youran Sun , Shu Wang , Taotao Wang , Runyuan He , Yongwei Zhang , Sicong Liang , Xilin Liu , Yuchi Ma , Yixiang Fang

The emergence of Multi-modal Large Language Models (MLLMs) presents new opportunities for chart understanding. However, due to the fine-grained nature of these tasks, applying MLLMs typically requires large, high-quality datasets for…

Computation and Language · Computer Science 2025-10-08 Yifan Wu , Lutao Yan , Leixian Shen , Yinan Mei , Jiannan Wang , Yuyu Luo

Accurately answering complex questions has consistently been a significant challenge for Large Language Models (LLMs). To address this, this paper proposes a multi-hop question decomposition method for complex questions, building upon…

Computation and Language · Computer Science 2025-09-08 Zucheng Liang , Wenxin Wei , Kaijie Zhang , Hongyi Chen

Traditional methods of linking large language models (LLMs) to knowledge bases via the semantic similarity search often fall short of capturing complex relational dynamics. To address these limitations, we introduce AutoKG, a lightweight…

Computation and Language · Computer Science 2023-11-28 Bohan Chen , Andrea L. Bertozzi

In the field of information retrieval, Query Likelihood Models (QLMs) rank documents based on the probability of generating the query given the content of a document. Recently, advanced large language models (LLMs) have emerged as effective…

Information Retrieval · Computer Science 2023-10-23 Shengyao Zhuang , Bing Liu , Bevan Koopman , Guido Zuccon

To sustain coherent long-term interactions, Large Language Model (LLM) agents must navigate the tension between acquiring new information and retaining prior knowledge. Current unified stream-based memory systems facilitate context updates…

Artificial Intelligence · Computer Science 2026-04-15 Zhaofen Wu , Hanrong Zhang , Fulin Lin , Wujiang Xu , Xinran Xu , Yankai Chen , Henry Peng Zou , Shaowen Chen , Weizhi Zhang , Xue Liu , Philip S. Yu , Hongwei Wang

Teaching large language models (LLMs) to use tools is crucial for improving their problem-solving abilities and expanding their applications. However, effectively using tools is challenging because it requires a deep understanding of tool…

Machine Learning · Computer Science 2025-06-27 Jingwei Wang , Zai Zhang , Hao Qian , Chunjing Gan , Binbin Hu , Ziqi Liu , Zhiqiang Zhang , Jun Zhou , Bin Shi , Bo Dong

The increasing concern in user privacy misuse has accelerated research into checking consistencies between smartphone apps' declared privacy policies and their actual behaviors. Recent advances in Large Language Models (LLMs) have…

Cryptography and Security · Computer Science 2025-05-20 Zhenyu Mao , Xinxin Fan , Yifei Wang , Jacky Keung , Jialong Li

Recent work has shown the capability of Large Language Models (LLMs) to solve tasks related to Knowledge Graphs, such as Knowledge Graph Completion, even in Zero- or Few-Shot paradigms. However, they are known to hallucinate answers, or…

Computation and Language · Computer Science 2024-07-19 Vasile Ionut Remus Iga , Gheorghe Cosmin Silaghi

Large Language Models (LLMs) have achieved strong performance across natural language and multimodal tasks, yet their practical deployment remains constrained by inference latency and kernel launch overhead, particularly in interactive,…

Machine Learning · Computer Science 2026-04-28 Divakar Kumar Yadav , Tian Zhao

Real-world Table-Text question answering (QA) tasks require models that can reason across long text and source tables, traversing multiple hops and executing complex operations such as aggregation. Yet existing benchmarks are small,…

Computation and Language · Computer Science 2026-02-27 Sungho Park , Jueun Kim , Wook-Shin Han