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相关论文: Opinion Extraction as A Structured Sentiment Analy…

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A capsule is a group of neurons, whose activity vector represents the instantiation parameters of a specific type of entity. In this paper, we explore the capsule networks used for relation extraction in a multi-instance multi-label…

信息检索 · 计算机科学 2022-11-02 Ningyu Zhang , Shumin Deng , Zhanlin Sun , Xi Chen , Wei Zhang , Huajun Chen

Social media reflects the public attitudes towards specific events. Events are often related to persons, locations or organizations, the so-called Named Entities. This can define Named Entities as sentiment-bearing components. In this…

计算与语言 · 计算机科学 2019-04-24 Hala Mulki , Hatem Haddad , Mourad Gridach , Ismail Babaoglu

Most approaches to extraction multiple relations from a paragraph require multiple passes over the paragraph. In practice, multiple passes are computationally expensive and this makes difficult to scale to longer paragraphs and larger text…

计算与语言 · 计算机科学 2019-06-04 Haoyu Wang , Ming Tan , Mo Yu , Shiyu Chang , Dakuo Wang , Kun Xu , Xiaoxiao Guo , Saloni Potdar

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju

Faceted arrangement of entities and typed relations for representing different associations between the entities are established tools in knowledge representation. In this paper, a proposal is being discussed combining both tools to draw…

信息检索 · 计算机科学 2014-09-02 Winfried Gödert

One of the key tasks of sentiment analysis of product reviews is to extract product aspects or features that users have expressed opinions on. In this work, we focus on using supervised sequence labeling as the base approach to performing…

计算与语言 · 计算机科学 2016-12-26 Lei Shu , Bing Liu , Hu Xu , Annice Kim

Relation extraction (RE) is the task of extracting relations between entities in text. Most RE methods extract relations from free-form running text and leave out other rich data sources, such as tables. We explore RE from the perspective…

计算与语言 · 计算机科学 2023-07-13 Arif Shahriar , Rohan Saha , Denilson Barbosa

Due to the exponential growth of biomedical literature, event and relation extraction are important tasks in biomedical text mining. Most work only focus on relation extraction, and detect a single entity pair mention on a short span of…

计算与语言 · 计算机科学 2020-05-08 Elaheh ShafieiBavani , Antonio Jimeno Yepes , Xu Zhong , David Martinez Iraola

The state-of-the-art Aspect-based Sentiment Analysis (ABSA) approaches are mainly based on either detecting aspect terms and their corresponding sentiment polarities, or co-extracting aspect and opinion terms. However, the extraction of…

计算与语言 · 计算机科学 2020-11-03 Chen Zhang , Qiuchi Li , Dawei Song , Benyou Wang

Traditional sentiment analysis often uses sentiment dictionary to extract sentiment information in text and classify documents. However, emerging informal words and phrases in user generated content call for analysis aware to the context.…

计算与语言 · 计算机科学 2016-12-14 Yushi Yao , Guangjian Li

Tweet sentiment extraction extracts the most significant portion of the sentence, determining whether the sentiment is positive or negative. This research aims to identify the part of tweet sentences that strikes any emotion. To reach this…

人工智能 · 计算机科学 2023-08-14 Zied Baklouti

While reaching for NLP systems that maximize accuracy, other important metrics of system performance are often overlooked. Prior models are easily forgotten despite their possible suitability in settings where large computing resources are…

计算与语言 · 计算机科学 2024-04-19 Mahammed Kamruzzaman , Gene Louis Kim

Texts can convey several types of inter-related information concerning opinions and attitudes. Such information includes the author's attitude towards mentioned entities, attitudes of the entities towards each other, positive and negative…

计算与语言 · 计算机科学 2020-06-22 Natalia Loukachevitch , Nicolay Rusnachenko

A sentiment analysis system powered by machine learning was created in this study to improve real-time social network public opinion monitoring. For sophisticated sentiment identification, the suggested approach combines cutting-edge…

计算与语言 · 计算机科学 2025-02-25 Arsen Tolebay Nurlanuly

Aspect based sentiment analysis, predicting sentiment polarity of given aspects, has drawn extensive attention. Previous attention-based models emphasize using aspect semantics to help extract opinion features for classification. However,…

计算与语言 · 计算机科学 2021-04-13 Lu Xu , Lidong Bing , Wei Lu , Fei Huang

The automation of extracting argument structures faces a pair of challenges on (1) encoding long-term contexts to facilitate comprehensive understanding, and (2) improving data efficiency since constructing high-quality argument structures…

计算与语言 · 计算机科学 2022-04-05 Xinyu Hua , Lu Wang

Named entity recognition (NER) is an important task in narration extraction. Narration, as a system of stories, provides insights into how events and characters in the stories develop over time. This paper proposes an architecture for NER…

计算与语言 · 计算机科学 2022-04-21 Bart Gajderowicz , Daniela Rosu , Mark S Fox

Extracting relations is critical for knowledge base completion and construction in which distant supervised methods are widely used to extract relational facts automatically with the existing knowledge bases. However, the automatically…

计算与语言 · 计算机科学 2018-11-09 Tianyi Liu , Xinsong Zhang , Wanhao Zhou , Weijia Jia

This paper investigates a model of opinion formation on an adaptive social network, consisting of a system of coupled ordinary differential equations for individuals' opinions and corresponding network edge weights. A key driver of the…

物理与社会 · 物理学 2026-02-04 Andrew Nugent , Carmen Calatayud Fernandez , Susana N. Gomes

Our day-to-day life has always been influenced by what people think. Ideas and opinions of others have always affected our own opinions. The explosion of Web 2.0 has led to increased activity in Podcasting, Blogging, Tagging, Contributing…

计算与语言 · 计算机科学 2013-04-17 Subhabrata Mukherjee , Pushpak Bhattacharyya