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In this paper, given a user's query set and budget, we aim to use the limited budget to help users assemble a set of datasets that can enrich a base dataset by introducing the maximum number of distinct tuples (i.e., maximizing…

数据库 · 计算机科学 2025-02-28 Tingting Wang , Shixun Huang , Zhifeng Bao , J. Shane Culpepper , Volkan Dedeoglu , Reza Arablouei

Document-level relation extraction aims to extract relations among entities within a document. Compared with its sentence-level counterpart, Document-level relation extraction requires inference over multiple sentences to extract complex…

计算与语言 · 计算机科学 2022-08-05 Liang Zhang , Yidong Cheng

Bioinformatics workflows are essential for complex biological data analyses and are often described in scientific articles with source code in public repositories. Extracting detailed workflow information from articles can improve…

计算与语言 · 计算机科学 2025-03-11 Clémence Sebe , Sarah Cohen-Boulakia , Olivier Ferret , Aurélie Névéol

Slot filling and intent detection are two fundamental tasks in the field of natural language understanding. Due to the strong correlation between these two tasks, previous studies make efforts on modeling them with multi-task learning or…

计算与语言 · 计算机科学 2022-09-12 Baohang Zhou , Ying Zhang , Xuhui Sui , Kehui Song , Xiaojie Yuan

Extracting hypotheses and their supporting statistical evidence from full-text scientific articles is central to the synthesis of empirical findings, but remains difficult due to document length and the distribution of scientific arguments…

计算与语言 · 计算机科学 2026-03-24 Sai Koneru , Jian Wu , Sarah Rajtmajer

We propose a novel high-performance and interpretable canonical deep tabular data learning architecture, TabNet. TabNet uses sequential attention to choose which features to reason from at each decision step, enabling interpretability and…

机器学习 · 计算机科学 2020-12-10 Sercan O. Arik , Tomas Pfister

Target speaker extraction, which aims at extracting a target speaker's voice from a mixture of voices using audio, visual or locational clues, has received much interest. Recently an audio-visual target speaker extraction has been proposed…

音频与语音处理 · 电气工程与系统科学 2021-02-03 Hiroshi Sato , Tsubasa Ochiai , Keisuke Kinoshita , Marc Delcroix , Tomohiro Nakatani , Shoko Araki

Quotation extraction aims to extract quotations from written text. There are three components in a quotation: source refers to the holder of the quotation, cue is the trigger word(s), and content is the main body. Existing solutions for…

计算与语言 · 计算机科学 2022-09-21 Yequan Wang , Xiang Li , Aixin Sun , Xuying Meng , Huaming Liao , Jiafeng Guo

Entity Resolution (ER) aims to identify whether two tuples refer to the same real-world entity and is well-known to be labor-intensive. It is a prerequisite to anomaly detection, as comparing the attribute values of two matched tuples from…

数据库 · 计算机科学 2021-09-03 Congcong Ge , Pengfei Wang , Lu Chen , Xiaoze Liu , Baihua Zheng , Yunjun Gao

Span-based joint extraction simultaneously conducts named entity recognition (NER) and relation extraction (RE) in text span form. However, since previous span-based models rely on span-level classifications, they cannot benefit from…

计算与语言 · 计算机科学 2022-10-25 Bin Ji , Shasha Li , Hao Xu , Jie Yu , Jun Ma , Huijun Liu , Jing Yang

The vast majority of materials science knowledge exists in unstructured natural language, yet structured data is crucial for innovative and systematic materials design. Traditionally, the field has relied on manual curation and partial…

Multimodal entity linking (MEL) aims to link ambiguous mentions within multimodal contexts to corresponding entities in a multimodal knowledge base. Most existing approaches to MEL are based on representation learning or vision-and-language…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zhiwei Hu , Víctor Gutiérrez-Basulto , Ru Li , Jeff Z. Pan

We present a novel iterative extraction model, IterX, for extracting complex relations, or templates (i.e., N-tuples representing a mapping from named slots to spans of text) within a document. Documents may feature zero or more instances…

计算与语言 · 计算机科学 2023-05-02 Yunmo Chen , William Gantt , Weiwei Gu , Tongfei Chen , Aaron Steven White , Benjamin Van Durme

There has been a growing effort to replace manual extraction of data from research papers with automated data extraction based on natural language processing, language models, and recently, large language models (LLMs). Although these…

计算与语言 · 计算机科学 2024-02-22 Maciej P. Polak , Dane Morgan

Metadata extraction is essential for cataloging and preserving datasets, enabling effective research discovery and reproducibility, especially given the current exponential growth in scientific research. While Masader (Alyafeai et al.,2021)…

计算与语言 · 计算机科学 2025-09-19 Zaid Alyafeai , Maged S. Al-Shaibani , Bernard Ghanem

Joint entity and relation extraction is the fundamental task of information extraction, consisting of two subtasks: named entity recognition and relation extraction. However, most existing joint extraction methods suffer from issues of…

计算与语言 · 计算机科学 2024-03-28 Wenjun Kong , Yamei Xia

Extracting structured information from scientific literature is critical for accelerating discovery, yet Large Language Models (LLMs) often struggle in specialized domains that require expert knowledge and generalize poorly across tasks. We…

计算与语言 · 计算机科学 2026-05-22 Tek Raj Chhetri , Yibei Chen , Puja Trivedi , Dorota Jarecka , Saif Haobsh , Patrick Ray , Lydia Ng , Satrajit S. Ghosh

The increasing volume and complexity of scientific literature demand robust methods for organizing and understanding research documents. In this study, we investigate whether structured knowledge, specifically, subject-predicate-object…

计算与语言 · 计算机科学 2026-04-21 Mihael Arcan

The importance of systems that can extract structured information from textual data becomes increasingly pronounced given the ever-increasing volume of text produced on a daily basis. Having a system that can effectively extract such…

计算与语言 · 计算机科学 2023-11-27 Hugo Sousa , Nuno Guimarães , Alípio Jorge , Ricardo Campos

Recent neural models for relation extraction with distant supervision alleviate the impact of irrelevant sentences in a bag by learning importance weights for the sentences. Efforts thus far have focused on improving extraction accuracy but…

信息检索 · 计算机科学 2020-06-01 Hamed Shahbazi , Xiaoli Z. Fern , Reza Ghaeini , Prasad Tadepalli