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Large Language Models (LLMs) have shown promising performance in summary evaluation tasks, yet they face challenges such as high computational costs and the Lost-in-the-Middle problem where important information in the middle of long…

Computation and Language · Computer Science 2024-01-19 Yunshu Wu , Hayate Iso , Pouya Pezeshkpour , Nikita Bhutani , Estevam Hruschka

Information Extraction (IE) plays a crucial role in Natural Language Processing (NLP) by extracting structured information from unstructured text, thereby facilitating seamless integration with various real-world applications that rely on…

Computation and Language · Computer Science 2024-06-05 Yida Cai , Hao Sun , Hsiu-Yuan Huang , Yunfang Wu

We introduce HAMLET, a holistic and automated framework for evaluating the long-context comprehension of large language models (LLMs). HAMLET structures source texts into a three-level key-fact hierarchy at root-, branch-, and leaf-levels,…

Computation and Language · Computer Science 2025-08-28 Jiaqi Deng , Yuho Lee , Nicole Hee-Yeon Kim , Hyangsuk Min , Taewon Yun , Minjeong Ban , Kim Yul , Hwanjun Song

With recent advancements in Large Language Models (LLMs) and growing interest in retrieval-augmented generation (RAG), the ability to understand table structures has become increasingly important. This is especially critical in financial…

Computation and Language · Computer Science 2025-05-26 Hayato Aida , Kosuke Takahashi , Takahiro Omi

Large language models (LLMs) have demonstrated remarkable capabilities in text analysis tasks, yet their evaluation on complex, real-world applications remains challenging. We define a set of tasks, Multi-Insight Multi-Document Extraction…

Computation and Language · Computer Science 2024-12-02 John Francis , Saba Esnaashari , Anton Poletaev , Sukankana Chakraborty , Youmna Hashem , Jonathan Bright

In this paper, we propose a pipeline leveraging Large Language Models (LLMs) for data augmentation in Information Extraction tasks within the legal domain. The proposed method is both simple and effective, significantly reducing the manual…

Computation and Language · Computer Science 2026-01-12 Nguyen Minh Phuong , Ha-Thanh Nguyen , May Myo Zin , Ken Satoh

We address the task of evidence retrieval for long document question answering, which involves locating relevant paragraphs within a document to answer a question. We aim to assess the applicability of large language models (LLMs) in the…

Computation and Language · Computer Science 2023-11-23 Inderjeet Nair , Shwetha Somasundaram , Apoorv Saxena , Koustava Goswami

Large Language Models (LLMs) promise to automate data engineering on tabular data, offering enterprises a valuable opportunity to cut the high costs of manual data handling. But the enterprise domain comes with unique challenges that…

Databases · Computer Science 2025-11-18 Jan-Micha Bodensohn , Ulf Brackmann , Liane Vogel , Anupam Sanghi , Carsten Binnig

Large Language Models (LLMs) hold the potential to perform a variety of text processing tasks and provide textual explanations for proposed actions or decisions. In the era of hybrid work, LLMs can provide intelligent decision support for…

Computation and Language · Computer Science 2024-02-07 Yujin Kim , Chin-Chia Hsu

Large language models (LLMs) demonstrate robust capabilities across diverse research domains. However, their performance in universal information extraction (UIE) remains insufficient, especially when tackling structured output scenarios…

Computation and Language · Computer Science 2025-09-12 Zhongqiu Li , Shiquan Wang , Ruiyu Fang , Mengjiao Bao , Zhenhe Wu , Shuangyong Song , Yongxiang Li , Zhongjiang He

Large Language Models (LLMs) have become a key topic in AI and NLP, transforming sectors like healthcare, finance, education, and marketing by improving customer service, automating tasks, providing insights, improving diagnostics, and…

Artificial Intelligence · Computer Science 2025-12-05 Vignesh Kumar Kembu , Pierandrea Morandini , Marta Bianca Maria Ranzini , Antonino Nocera

Despite the recent broad adoption of Large Language Models (LLMs) across various domains, their potential for enriching information systems in extracting and exploring Linked Data (LD) and Resource Description Framework (RDF) triplestores…

Information Retrieval · Computer Science 2024-09-25 Omar Mussa , Omer Rana , Benoît Goossens , Pablo Orozco-Terwengel , Charith Perera

Large language models (LLMs) achieve optimal utility when their responses are grounded in external knowledge sources. However, real-world documents, such as annual reports, scientific papers, and clinical guidelines, frequently combine…

Information Retrieval · Computer Science 2025-12-17 Chi Zhang , Qiyang Chen , Mengqi Zhang

Tables, typically two-dimensional and structured to store large amounts of data, are essential in daily activities like database queries, spreadsheet manipulations, web table question answering, and image table information extraction.…

Artificial Intelligence · Computer Science 2024-11-05 Weizheng Lu , Jing Zhang , Ju Fan , Zihao Fu , Yueguo Chen , Xiaoyong Du

The advent of Large Language Models (LLMs) heralds a pivotal shift in online user interactions with information. Traditional Information Retrieval (IR) systems primarily relied on query-document matching, whereas LLMs excel in comprehending…

Information Retrieval · Computer Science 2023-11-22 Samira Ghodratnama , Mehrdad Zakershahrak

Tables are among the most widely used tools for representing structured data in research, business, medicine, and education. Although LLMs demonstrate strong performance in downstream tasks, their efficiency in processing tabular data…

Computation and Language · Computer Science 2025-08-27 Ekaterina Borisova , Fabio Barth , Nils Feldhus , Raia Abu Ahmad , Malte Ostendorff , Pedro Ortiz Suarez , Georg Rehm , Sebastian Möller

The exponential growth of digital content has generated massive textual datasets, necessitating the use of advanced analytical approaches. Large Language Models (LLMs) have emerged as tools that are capable of processing and extracting…

Computation and Language · Computer Science 2024-05-24 Benjamin M. Ampel , Chi-Heng Yang , James Hu , Hsinchun Chen

One of the limitations of large language models is that they do not have access to up-to-date, proprietary or personal data. As a result, there are multiple efforts to extend language models with techniques for accessing external data. In…

Computation and Language · Computer Science 2023-04-11 Alon Halevy , Jane Dwivedi-Yu

Large Language Models (LLMs) demonstrate remarkable potential across various domains; however, they exhibit a significant performance gap in Information Extraction (IE). Note that high-quality instruction data is the vital key for enhancing…

Computation and Language · Computer Science 2024-05-28 Honghao Gui , Lin Yuan , Hongbin Ye , Ningyu Zhang , Mengshu Sun , Lei Liang , Huajun Chen

Dialogue relation extraction (DRE) aims to extract relations between two arguments within a dialogue, which is more challenging than standard RE due to the higher person pronoun frequency and lower information density in dialogues. However,…

Computation and Language · Computer Science 2024-04-30 Guozheng Li , Zijie Xu , Ziyu Shang , Jiajun Liu , Ke Ji , Yikai Guo