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Information Extraction (IE) aims to extract structural knowledge (e.g., entities, relations, events) from natural language texts, which brings challenges to existing methods due to task-specific schemas and complex text expressions. Code,…

Artificial Intelligence · Computer Science 2023-11-07 Yucan Guo , Zixuan Li , Xiaolong Jin , Yantao Liu , Yutao Zeng , Wenxuan Liu , Xiang Li , Pan Yang , Long Bai , Jiafeng Guo , Xueqi Cheng

Word embedding methods revolve around learning continuous distributed vector representations of words with neural networks, which can capture semantic and/or syntactic cues, and in turn be used to induce similarity measures among words,…

Computation and Language · Computer Science 2016-07-25 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang , Hsin-Hsi Chen

We introduce a simple new approach to the problem of understanding documents where non-trivial layout influences the local semantics. To this end, we modify the Transformer encoder architecture in a way that allows it to use layout features…

Computation and Language · Computer Science 2021-10-05 Łukasz Garncarek , Rafał Powalski , Tomasz Stanisławek , Bartosz Topolski , Piotr Halama , Michał Turski , Filip Graliński

Document-level relation extraction aims at inferring structured human knowledge from textual documents. State-of-the-art methods for this task use pre-trained language models (LMs) via fine-tuning, yet fine-tuning is computationally…

Computation and Language · Computer Science 2024-10-03 Yilmazcan Ozyurt , Stefan Feuerriegel , Ce Zhang

With rise of digital age, there is an explosion of information in the form of news, articles, social media, and so on. Much of this data lies in unstructured form and manually managing and effectively making use of it is tedious, boring and…

Computation and Language · Computer Science 2018-07-09 Sonit Singh

The extraction of variable definitions from scientific and technical papers is essential for understanding these documents. However, the characteristics of variable definitions, such as the length and the words that make up the definition,…

Computation and Language · Computer Science 2024-12-06 Kotaro Nagayama , Shota Kato , Manabu Kano

Open Information Extraction (Open IE) systems aim to obtain relation tuples with highly scalable extraction in portable across domain by identifying a variety of relation phrases and their arguments in arbitrary sentences. The first…

Computation and Language · Computer Science 2016-07-12 Duc-Thuan Vo , Ebrahim Bagheri

One technique to improve the retrieval effectiveness of a search engine is to expand documents with terms that are related or representative of the documents' content.From the perspective of a question answering system, this might comprise…

Information Retrieval · Computer Science 2019-09-26 Rodrigo Nogueira , Wei Yang , Jimmy Lin , Kyunghyun Cho

Document-level Relation Extraction (DocRE) aims to identify relationships between entity pairs within a document. However, most existing methods assume a uniform label distribution, resulting in suboptimal performance on real-world,…

Computation and Language · Computer Science 2025-01-14 Khai Phan Tran , Wen Hua , Xue Li

Information extraction from documents is a ubiquitous first step in many business applications. During this step, the entries of various fields must first be read from the images of scanned documents before being further processed and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Shachar Klaiman , Marius Lehne

Understanding visually-rich business documents to extract structured data and automate business workflows has been receiving attention both in academia and industry. Although recent multi-modal language models have achieved impressive…

Computation and Language · Computer Science 2023-09-19 Zilong Wang , Yichao Zhou , Wei Wei , Chen-Yu Lee , Sandeep Tata

Information Extraction (IE) refers to automatically extracting structured relation tuples from unstructured texts. Common IE solutions, including Relation Extraction (RE) and open IE systems, can hardly handle cross-sentence tuples, and are…

Information Retrieval · Computer Science 2019-01-29 Lin Qiu , Hao Zhou , Yanru Qu , Weinan Zhang , Suoheng Li , Shu Rong , Dongyu Ru , Lihua Qian , Kewei Tu , Yong Yu

The challenge of information extraction (IE) lies in the diversity of label schemas and the heterogeneity of structures. Traditional methods require task-specific model design and rely heavily on expensive supervision, making them difficult…

Computation and Language · Computer Science 2023-01-10 Jie Lou , Yaojie Lu , Dai Dai , Wei Jia , Hongyu Lin , Xianpei Han , Le Sun , Hua Wu

Invoices and receipts submitted by employees are visually rich documents (VRDs) with textual, visual and layout information. To protect against the risk of fraud and abuse, it is crucial for organizations to efficiently extract desired…

Computation and Language · Computer Science 2024-11-26 Aniket Bhattacharyya , Anurag Tripathi

One of the biggest bottlenecks in building accurate, high coverage neural open IE systems is the need for large labelled corpora. The diversity of open domain corpora and the variety of natural language expressions further exacerbate this…

Computation and Language · Computer Science 2021-03-08 Jialong Tang , Yaojie Lu , Hongyu Lin , Xianpei Han , Le Sun , Xinyan Xiao , Hua Wu

Spectral information has long been recognized as a critical cue in remote sensing observations. Although numerous vision-language models have been developed for pixel-level interpretation, spectral information remains underutilized,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Dongchen Si , Di Wang , Erzhong Gao , Xiaolei Qin , Liu Zhao , Jing Zhang , Minqiang Xu , Jianbo Zhan , Jianshe Wang , Lin Liu , Bo Du , Liangpei Zhang

Event extraction, the technology that aims to automatically get the structural information from documents, has attracted more and more attention in many fields. Most existing works discuss this issue with the token-level multi-label…

Computation and Language · Computer Science 2022-01-11 Zhuo Xu , Yue Wang , Lu Bai , Lixin Cui

Sentence-by-sentence information extraction from long documents is an exhausting and error-prone task. As the indicator of document skeleton, catalogs naturally chunk documents into segments and provide informative cascade semantics, which…

Computation and Language · Computer Science 2023-05-01 Tong Zhu , Guoliang Zhang , Zechang Li , Zijian Yu , Junfei Ren , Mengsong Wu , Zhefeng Wang , Baoxing Huai , Pingfu Chao , Wenliang Chen

While there has been substantial progress in factoid question-answering (QA), answering complex questions remains challenging, typically requiring both a large body of knowledge and inference techniques. Open Information Extraction (Open…

Artificial Intelligence · Computer Science 2017-04-20 Tushar Khot , Ashish Sabharwal , Peter Clark

We present SummaRuNNer, a Recurrent Neural Network (RNN) based sequence model for extractive summarization of documents and show that it achieves performance better than or comparable to state-of-the-art. Our model has the additional…

Computation and Language · Computer Science 2016-11-15 Ramesh Nallapati , Feifei Zhai , Bowen Zhou