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We present an empirical study on methods for span finding, the selection of consecutive tokens in text for some downstream tasks. We focus on approaches that can be employed in training end-to-end information extraction systems, and find…

Computation and Language · Computer Science 2022-10-17 Weiwei Gu , Boyuan Zheng , Yunmo Chen , Tongfei Chen , Benjamin Van Durme

Bidirectional Encoder Representations from Transformers (BERT) represents the latest incarnation of pretrained language models which have recently advanced a wide range of natural language processing tasks. In this paper, we showcase how…

Computation and Language · Computer Science 2019-09-06 Yang Liu , Mirella Lapata

Advancing representation learning in specialized fields like medicine remains challenging due to the scarcity of expert annotations for text and images. To tackle this issue, we present a novel two-stage framework designed to extract…

Computation and Language · Computer Science 2024-07-03 Pablo Messina , René Vidal , Denis Parra , Álvaro Soto , Vladimir Araujo

Most previous studies aim at extracting events from a single sentence, while document-level event extraction still remains under-explored. In this paper, we focus on extracting event arguments from an entire document, which mainly faces two…

Computation and Language · Computer Science 2022-05-03 Runxin Xu , Peiyi Wang , Tianyu Liu , Shuang Zeng , Baobao Chang , Zhifang Sui

In document-level relation extraction, entities may appear multiple times in a document, and their relationships can shift from one context to another. Accurate prediction of the relationship between two entities across an entire document…

Computation and Language · Computer Science 2025-08-01 Nilesh , Atul Gupta , Avinash C Panday

We present an end-to-end differentiable training method for retrieval-augmented open-domain question answering systems that combine information from multiple retrieved documents when generating answers. We model retrieval decisions as…

Computation and Language · Computer Science 2021-12-07 Devendra Singh Sachan , Siva Reddy , William Hamilton , Chris Dyer , Dani Yogatama

The probing classifiers framework has been employed for interpreting deep neural network models for a variety of natural language processing (NLP) applications. Studies, however, have largely focused on sentencelevel NLP tasks. This work is…

Computation and Language · Computer Science 2023-10-25 Barry Wang , Xinya Du , Claire Cardie

It is becoming common to archive research datasets that are not only large but also numerous. In addition, their corresponding metadata and the software required to analyse or display them need to be archived. Yet the manual curation of…

Digital Libraries · Computer Science 2011-08-24 Daniel Lemire , Andre Vellino

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…

Large language models (LLMs) are increasingly touted as powerful tools for automating scientific information extraction. However, existing methods and tools often struggle with the realities of scientific literature: long-context documents,…

The emotion cause extraction (ECE) task aims at discovering the potential causes behind a certain emotion expression in a document. Techniques including rule-based methods, traditional machine learning methods and deep neural networks have…

Computation and Language · Computer Science 2019-06-05 Rui Xia , Mengran Zhang , Zixiang Ding

In this paper we describe ExtrAns, an answer extraction system. Answer extraction (AE) aims at retrieving those exact passages of a document that directly answer a given user question. AE is more ambitious than information retrieval and…

Computation and Language · Computer Science 2007-05-23 D. Molla , J. Berri , M. Hess

We propose a method for automatically generating abstract transformers for static analysis by abstract interpretation. The method focuses on linear constraints on programs operating on rational, real or floating-point variables and…

Programming Languages · Computer Science 2008-11-04 David Monniaux

We address the extraction of mathematical statements and their proofs from scholarly PDF articles as a multimodal classification problem, utilizing text, font features, and bitmap image renderings of PDFs as distinct modalities. We propose…

Artificial Intelligence · Computer Science 2024-10-14 Shrey Mishra , Antoine Gauquier , Pierre Senellart

We present Mask-then-Fill, a flexible and effective data augmentation framework for event extraction. Our approach allows for more flexible manipulation of text and thus can generate more diverse data while keeping the original event…

Computation and Language · Computer Science 2023-01-09 Jun Gao , Changlong Yu , Wei Wang , Huan Zhao , Ruifeng Xu

In this paper, we show a new approach to transformations of an imperative program with function calls and global variables into a logically constrained term rewriting system. The resulting system represents transitions of the whole…

Logic in Computer Science · Computer Science 2019-02-25 Yoshiaki Kanazawa , Naoki Nishida

Multi-hop reading comprehension requires the model to explore and connect relevant information from multiple sentences/documents in order to answer the question about the context. To achieve this, we propose an interpretable 3-module system…

Computation and Language · Computer Science 2019-06-13 Yichen Jiang , Nitish Joshi , Yen-Chun Chen , Mohit Bansal

Transformer-based Language Models are widely used in Natural Language Processing related tasks. Thanks to their pre-training, they have been successfully adapted to Information Extraction in business documents. However, most pre-training…

Computation and Language · Computer Science 2023-09-12 Thibault Douzon , Stefan Duffner , Christophe Garcia , Jérémy Espinas

Document pair extraction aims to identify key and value entities as well as their relationships from visually-rich documents. Most existing methods divide it into two separate tasks: semantic entity recognition (SER) and relation extraction…

Computation and Language · Computer Science 2024-11-19 Zening Lin , Jiapeng Wang , Teng Li , Wenhui Liao , Dayi Huang , Longfei Xiong , Lianwen Jin

Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen