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Distant labeling for information extraction (IE) suffers from noisy training data. We describe a way of reducing the noise associated with distant IE by identifying coupling constraints between potential instance labels. As one example of…

Computation and Language · Computer Science 2016-01-05 Lidong Bing , Mingyang Ling , Richard C. Wang , William W. Cohen

Recent studies in Retrieval-Augmented Generation (RAG) have investigated extracting evidence from retrieved passages to reduce computational costs and enhance the final RAG performance, yet it remains challenging. Existing methods heavily…

Computation and Language · Computer Science 2024-10-16 Xinping Zhao , Dongfang Li , Yan Zhong , Boren Hu , Yibin Chen , Baotian Hu , Min Zhang

Multi-modal document pre-trained models have proven to be very effective in a variety of visually-rich document understanding (VrDU) tasks. Though existing document pre-trained models have achieved excellent performance on standard…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Chuwei Luo , Guozhi Tang , Qi Zheng , Cong Yao , Lianwen Jin , Chenliang Li , Yang Xue , Luo Si

This paper defines and explores the design space for information extraction (IE) from layout-rich documents using large language models (LLMs). The three core challenges of layout-aware IE with LLMs are 1) data structuring, 2) model…

Computation and Language · Computer Science 2026-02-04 Gaye Colakoglu , Gürkan Solmaz , Jonathan Fürst

Document-level relation extraction (DocRE) aims to identify semantic labels among entities within a single document. One major challenge of DocRE is to dig decisive details regarding a specific entity pair from long text. However, in many…

Computation and Language · Computer Science 2023-02-14 Zhichao Duan , Xiuxing Li , Zhenyu Li , Zhuo Wang , Jianyong Wang

Modeling and leveraging layout reading order in visually-rich documents (VrDs) is critical in document intelligence as it captures the rich structure semantics within documents. Previous works typically formulated layout reading order as a…

Computation and Language · Computer Science 2024-10-01 Chong Zhang , Yi Tu , Yixi Zhao , Chenshu Yuan , Huan Chen , Yue Zhang , Mingxu Chai , Ya Guo , Huijia Zhu , Qi Zhang , Tao Gui

A key bottleneck in building automatic extraction models for visually rich documents like invoices is the cost of acquiring the several thousand high-quality labeled documents that are needed to train a model with acceptable accuracy. We…

Computation and Language · Computer Science 2022-11-01 Yichao Zhou , James B. Wendt , Navneet Potti , Jing Xie , Sandeep Tata

We present a theoretical framework for the extraction and transformation of text documents. We propose to use a two-phase process where the first phase extracts span-tuples from a document, and the second phase maps the content of the…

Databases · Computer Science 2024-05-22 Cristian Riveros , Markus L. Schmid , Nicole Schweikardt

Document-level information extraction (IE) tasks have recently begun to be revisited in earnest using the end-to-end neural network techniques that have been successful on their sentence-level IE counterparts. Evaluation of the approaches,…

Computation and Language · Computer Science 2022-09-16 Aliva Das , Xinya Du , Barry Wang , Kejian Shi , Jiayuan Gu , Thomas Porter , Claire Cardie

Information extraction (IE) aims to produce structured information from an input text, e.g., Named Entity Recognition and Relation Extraction. Various attempts have been proposed for IE via feature engineering or deep learning. However,…

Computation and Language · Computer Science 2019-12-09 Wenya Wang , Sinno Jialin Pan

With the abundant amount of available online and offline text data, there arises a crucial need to extract the relation between phrases and summarize the main content of each document in a few words. For this purpose, there have been many…

Information Retrieval · Computer Science 2023-10-19 Serafina Kamp , Morteza Fayazi , Zineb Benameur-El , Shuyan Yu , Ronald Dreslinski

Span identification aims at identifying specific text spans from text input and classifying them into pre-defined categories. Different from previous works that merely leverage the Subordinate (SUB) relation (i.e. if a span is an instance…

Computation and Language · Computer Science 2023-05-19 Weiwen Xu , Xin Li , Yang Deng , Wai Lam , Lidong Bing

In this paper, we approach the problem of semantic search by framing the search task as paraphrase span detection, i.e. given a segment of text as a query phrase, the task is to identify its paraphrase in a given document, the same…

Computation and Language · Computer Science 2025-02-20 Jenna Kanerva , Hanna Kitti , Li-Hsin Chang , Teemu Vahtola , Mathias Creutz , Filip Ginter

We cast a suite of information extraction tasks into a text-to-triple translation framework. Instead of solving each task relying on task-specific datasets and models, we formalize the task as a translation between task-specific input text…

Computation and Language · Computer Science 2021-09-24 Chenguang Wang , Xiao Liu , Zui Chen , Haoyun Hong , Jie Tang , Dawn Song

Information Extraction (IE) researchers are mapping tasks to Question Answering (QA) in order to leverage existing large QA resources, and thereby improve data efficiency. Especially in template extraction (TE), mapping an ontology to a set…

Computation and Language · Computer Science 2022-05-26 Nils Holzenberger , Yunmo Chen , Benjamin Van Durme

Long-form video understanding requires efficient navigation of extensive visual data to pinpoint sparse yet critical information. Current approaches to longform video understanding either suffer from severe computational overhead due to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Te Yang , Xiangyu Zhu , Bo Wang , Quan Chen , Peng Jiang , Zhen Lei

In this paper, we champion the use of structured and semantic content representation of discourse-based scholarly communication, inspired by tools like Wikipedia infoboxes or structured Amazon product descriptions. These representations…

Computation and Language · Computer Science 2024-01-19 Mahsa Shamsabadi , Jennifer D'Souza , Sören Auer

Current research on the advantages and trade-offs of using characters, instead of tokenized text, as input for deep learning models, has evolved substantially. New token-free models remove the traditional tokenization step; however, their…

Computation and Language · Computer Science 2023-10-10 Christos Theodoropoulos , Marie-Francine Moens

We introduce Span-ConveRT, a light-weight model for dialog slot-filling which frames the task as a turn-based span extraction task. This formulation allows for a simple integration of conversational knowledge coded in large pretrained…

Computation and Language · Computer Science 2020-07-17 Sam Coope , Tyler Farghly , Daniela Gerz , Ivan Vulić , Matthew Henderson

Open Information Extraction (OIE) is the task of the unsupervised creation of structured information from text. OIE is often used as a starting point for a number of downstream tasks including knowledge base construction, relation…

Computation and Language · Computer Science 2018-08-23 Paul Groth , Michael Lauruhn , Antony Scerri , Ron Daniel