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The ability to accurately represent sentences is central to language understanding. We describe a convolutional architecture dubbed the Dynamic Convolutional Neural Network (DCNN) that we adopt for the semantic modelling of sentences. The…

计算与语言 · 计算机科学 2014-04-09 Nal Kalchbrenner , Edward Grefenstette , Phil Blunsom

We address the problem of learning a distributed representation of entities in a relational database using a low-dimensional embedding. Low-dimensional embeddings aim to encapsulate a concise vector representation for an underlying dataset…

数据库 · 计算机科学 2020-05-14 Siddhant Arora , Srikanta Bedathur

Document-level relation extraction aims to extract relations among entities within a document. Different from sentence-level relation extraction, it requires reasoning over multiple sentences across a document. In this paper, we propose…

计算与语言 · 计算机科学 2020-09-30 Shuang Zeng , Runxin Xu , Baobao Chang , Lei Li

Vector representation of sentences is important for many text processing tasks that involve clustering, classifying, or ranking sentences. Recently, distributed representation of sentences learned by neural models from unlabeled data has…

计算与语言 · 计算机科学 2016-10-27 Tanay Kumar Saha , Shafiq Joty , Naeemul Hassan , Mohammad Al Hasan

Distantly supervised relation extraction intrinsically suffers from noisy labels due to the strong assumption of distant supervision. Most prior works adopt a selective attention mechanism over sentences in a bag to denoise from wrongly…

计算与语言 · 计算机科学 2019-11-28 Yang Li , Guodong Long , Tao Shen , Tianyi Zhou , Lina Yao , Huan Huo , Jing Jiang

Bilingual word embeddings have been widely used to capture the similarity of lexical semantics in different human languages. However, many applications, such as cross-lingual semantic search and question answering, can be largely benefited…

计算与语言 · 计算机科学 2019-09-10 Muhao Chen , Yingtao Tian , Haochen Chen , Kai-Wei Chang , Steven Skiena , Carlo Zaniolo

Universal schema (USchema) assumes that two sentence patterns that share the same entity pairs are similar to each other. This assumption is widely adopted for solving various types of relation extraction (RE) tasks. Nevertheless, each…

计算与语言 · 计算机科学 2021-03-30 Rohan Paul , Haw-Shiuan Chang , Andrew McCallum

We propose a new technique for computational language representation called elementwise embedding, in which a material (semantic unit) is abstracted into a horizontal concatenation of lower-dimensional element (character) embeddings. While…

计算与语言 · 计算机科学 2023-02-28 Dunam Kim , Jeeeun Kim

Given comparative text, comparative relation extraction aims to extract two targets (\eg two cameras) in comparison and the aspect they are compared for (\eg image quality). The extracted comparative relations form the basis of further…

计算与语言 · 计算机科学 2024-06-28 Yequan Wang , Hengran Zhang , Aixin Sun , Xuying Meng

In this paper, we present a method for adversarial decomposition of text representation. This method can be used to decompose a representation of an input sentence into several independent vectors, each of them responsible for a specific…

计算与语言 · 计算机科学 2019-04-11 Alexey Romanov , Anna Rumshisky , Anna Rogers , David Donahue

Word and phrase tables are key inputs to machine translations, but costly to produce. New unsupervised learning methods represent words and phrases in a high-dimensional vector space, and these monolingual embeddings have been shown to…

计算与语言 · 计算机科学 2018-04-25 Stefan Jansen

In this paper, we use the framework of neural machine translation to learn joint sentence representations across six very different languages. Our aim is that a representation which is independent of the language, is likely to capture the…

计算与语言 · 计算机科学 2017-08-09 Holger Schwenk , Matthijs Douze

Inter-sentence relation extraction deals with a number of complex semantic relationships in documents, which require local, non-local, syntactic and semantic dependencies. Existing methods do not fully exploit such dependencies. We present…

计算与语言 · 计算机科学 2019-06-12 Sunil Kumar Sahu , Fenia Christopoulou , Makoto Miwa , Sophia Ananiadou

In natural language, often multiple entities appear in the same text. However, most previous works in Relation Extraction (RE) limit the scope to identifying the relation between two entities at a time. Such an approach induces a quadratic…

计算与语言 · 计算机科学 2020-10-13 Zhijing Jin , Yongyi Yang , Xipeng Qiu , Zheng Zhang

Dialogue relation extraction (RE) is to predict the relation type of two entities mentioned in a dialogue. In this paper, we propose a simple yet effective model named SimpleRE for the RE task. SimpleRE captures the interrelations among…

计算与语言 · 计算机科学 2023-04-26 Fuzhao Xue , Aixin Sun , Hao Zhang , Jinjie Ni , Eng Siong Chng

Extracting biomedical relations from large corpora of scientific documents is a challenging natural language processing task. Existing approaches usually focus on identifying a relation either in a single sentence (mention-level) or across…

计算与语言 · 计算机科学 2020-11-23 Harshil Shah , Julien Fauqueur

Relation extraction is a Natural Language Processing task that aims to extract relationships from textual data. It is a critical step for information extraction. Due to its wide-scale applicability, research in relation extraction has…

计算与语言 · 计算机科学 2024-11-27 Anushka Swarup , Avanti Bhandarkar , Olivia P. Dizon-Paradis , Ronald Wilson , Damon L. Woodard

Previous works on key information extraction from visually rich documents (VRDs) mainly focus on labeling the text within each bounding box (i.e., semantic entity), while the relations in-between are largely unexplored. In this paper, we…

计算与语言 · 计算机科学 2021-10-20 Yue Zhang , Bo Zhang , Rui Wang , Junjie Cao , Chen Li , Zuyi Bao

Relation extraction aims to identify the target relations of entities in texts. Relation extraction is very important for knowledge base construction and text understanding. Traditional binary relation extraction, including supervised,…

计算与语言 · 计算机科学 2020-12-10 Haiyun Jiang , Qiaoben Bao , Qiao Cheng , Deqing Yang , Li Wang , Yanghua Xiao

Multimodal relation extraction (MRE) is the task of identifying the semantic relationships between two entities based on the context of the sentence image pair. Existing retrieval-augmented approaches mainly focused on modeling the…

计算与语言 · 计算机科学 2023-05-26 Xuming Hu , Zhijiang Guo , Zhiyang Teng , Irwin King , Philip S. Yu