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BERT-Based Mental Model, a Better Fake News Detector 20

BERT-Based Mental Model, a Better Fake News Detector

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6th International conference on computing and Artificial Intelligence, ICCAI 2020

作者： Ding, Jia Hu, Yongjun Chang, Huiyou School of Data and Computer Science Sun Yat-sen University Guangzhou510006 China School of Management Guangzhou University Guangzhou510006 China

ISBN: (纸本)9781450377089

Automatic fake news detection is a challenging problem which needs a number of verifiable facts support back. Wang et al. [16] introduced LIAR, a validated dataset, and presented a six classes classification task with several popular machine learning methods to detect fake news in linguistic level. However, empirical results have shown that the CNN and RNN based model can not perform very well especially when integrating all features with claim. In this paper, we are the first to present a method to build up a BERT-based [4] mental model to capture the mental feature in fake news detection. In details, we present a method to construct a patterned text in linguistic level to integrate the claim and features appropriately. Then we fine-tune the BERT model with all features integrated text. Empirical results show that our method provides significant improvement over the state-of-art model based on the LIAR dataset we have known by 16.71% in accuracy. © 2020 acm.

关键词： Classification (of information)

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Research on training-mode of intelligent technical talents in the local application-oriented university 2021

Research on training-mode of intelligent technical talents i...

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2nd International conference on computers, Information Processing and Advanced Education, CIPAE 2021

作者： Chen, Chunlei Wang, Chengduan Hou, Jinkui Zhang, Peng Wang, Lei Dai, Jiangyan School of Computer Engineering Weifang University Weifang China

ISBN: (纸本)9781450389969

Weifang is an emerging electronic-information-industry city in China. The fast development of local industries raise huge demands on application-oriented technical talents of various fields, among which-artificial intelligence (AI) takes the leading position. However, it is a challenging task to train AI talents due to the complexity of AI. We investigate on training AI talents in application-oriented universities like Weifang University. We propose to integrate theoretical knowledge and hands-on ability to support the growth of comprehensive ability. Subsequently, we factorize the knowledge and ability structure into small pieces to lower the learning barrier. Based on these two solutions, we try to cultivate the engineering thinking and ability of students. Our practice in technical competition and research projects show the effectiveness of the solutions. © 2021 acm.

关键词： Intelligent Technology Talent Cultivation Training Mode

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Dynamic Programming Based cooperative Mobility Management in Ultra Dense Networks 14th

Dynamic Programming Based Cooperative Mobility Management in...

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14th EAI International conference on Communications and Networking in China, ChinaCom 2019

作者： Zhang, Ziyue Gong, Jie Chen, Xiang School of Electronics and Information Technology Sun Yat-sen University Guangzhou510006 China Shenzhen518075 China School of Data and Computer Science Sun Yat-sen University Guangzhou510006 China

ISBN: (纸本)9783030411169

In ultra dense networks (UDNs), base stations (BSs) with mobile edge computing (MEC) function can provide low latency and powerful computation to energy and computation constrained mobile users. Meanwhile, existing wireless access-oriented mobility management (MM) schemes are not suitable for high mobility scenarios in UDNs. In this paper, a novel dynamic programming based MM (DPMM) scheme is proposed to optimize delay performance considering both wireless transmission and task computation under an energy consumption constraint. Based on markov decision process (MDP) and dynamic programming (DP), DPMM utilizes statistic system information to get a stationary optimal policy and can work in an offline mode. cooperative transmission is further considered to enhance uplink data transmission rate. Simulations show that the proposed DPMM scheme can achieve close-to-optimal delay performance while consume less energy. Moreover, the handover times are effectively reduced so that quality of service (QoS) is improved. © ICST Institute for computer Sciences, social Informatics and Telecommunications Engineering 2020.

关键词： Markov processes

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A Semi-Supervised Learning Framework for TRIZ-Based Chinese Patent Classification 20

A Semi-Supervised Learning Framework for TRIZ-Based Chinese ...

引用

6th International conference on computing and Artificial Intelligence, ICCAI 2020

作者： Huang, Lixiao Yu, Jiasi Hu, Yongjun Chang, Huiyou School of Data and Computer Science Sun Yat-sen University Guangzhou510006 China School of Management Guangzhou University Guangzhou Guangzhou510006 China

ISBN: (纸本)9781450377089

Automatic patent classification based on the TRIZ inventive principles is essential for patent management and industrial analysis. However, acquiring labels for deep learning methods is extraordinarily difficult and costly. This paper proposes a new two-stage semi-supervised learning framework called TRIZ-ESSL, which stands for Enhanced Semi-Supervised Learning for TRIZ. TRIZ-ESSL makes full use of both labeled and unlabeled data to improve the prediction performance. TRIZ-ESSL takes the advantages of semi-supervised sequence learning and mixed objective function, a combination of cross-entropy, entropy minimization, adversarial and virtual adversarial loss functions. Firstly, TRIZ-ESSL uses unlabeled data to train a recurrent language model. Secondly, TRIZ-ESSL initializes the weights of the LSTM-based model with the pre-trained recurrent language model and then trains the text classification model using mixed objective function on both labeled and unlabeled sets. On 3 TRIZ-based classification tasks, TRIZ-ESSL outperforms the current popular semi-supervised training methods and Bert in terms of accuracy score. © 2020 acm.

关键词： Learning systems

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Detect cooperative Hyping Among VIP Users and Spammers in Sina Weibo 13th

Detect Cooperative Hyping Among VIP Users and Spammers in Si...

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13th CCF conference on computer supported cooperative work and social computing (Chinesecscw)

作者： Guo, Ziyu Liu, Shijun Wang, Yafang Wang, Liqiang Pan, Li Wu, Lei Shandong Univ Jinan Peoples R China

ISBN: (纸本)9789811330445;9789811330438

Sina Weibo services provide platforms for massive information dissemination and sharing between hundreds of millions of users. The hot topics in this platform attract substantial interest and have enormous potential for business and society. As a result, it has attracted spam teams with malicious intent. In this paper, we study how to detect such opinion spam teams and how do they guide public opinion. Our model is unsupervised and adopts a Bayesian framework to distinguish between spammers and non-spammers. Experiments conducted on a dataset of a Sina Weibo hot topic with a 0.81 F1-measure demonstrate the proposed method's effectiveness. Through further analysis, we found the phenomenon and some methods of the cooperative hyping among VIP users and spammers (in Sect. 3.2). VIP users are small in number but have a great influence due to they have a large number of followers, so VIP users are responsible for hyping topics so that it attract more attention, then a lot of spammers guide public opinion through a lot of manual postings.

关键词： Hot topics Spammer detection Guide public opinion Bayesian modeling cooperative hyping

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A Session-based Interaction model for Cloud Service 8

A Session-based Interaction model for Cloud Service

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8th International conference on Information Technology: IoT and Smart City, ICIT 2020

作者： Jiang, Dongming Jiang, Yuan Li, Jinzi School of Mathematics and Computer Science Jiangxi ScienceandTechnology Normal University Nanchang330038 China School of Information Engineering Nanchang University Nanchang330047 China School of Air Traffic Management Civil Aviation Flight University of China Guanghan China

ISBN: (纸本)9781450388559

Being executed in the Internet space, cloud services provide elastic computing resource to satisfy customers' demand. Since single service usually can't suit their complex need, customers need to assemble multiple services into one service workflow which coordinates individual service to fulfill the specific task by means of service interaction. Obviously, the interaction mechanism of cloud service is the glue of workflow and plays an important role in service workflow. However, owing to the dynamic characteristic of the Internet, cloud service interaction is complicated and volatile. Hence, the question how to describe and formalize the complex interaction of cloud service workflow is a non-trivial work, which has directly influence on the overall design of cloud service architecture engineering and its performance. Consider the question above, this article put forward a session-based interaction model of cloud service. Regarding the complexity of service workflow, thispaper applies the divide-and-conquer strategy to decompose the interaction of cloud services into session, then constructs the interaction model of cloud service. In the first step, we introduce andformalize the notion of session, so the complex interaction of cloud service workflow can be decomposed into hierarchical session pattern, which is easy to formalize by the guard automata. Next, using the session as the abstract data type, the session-based interaction model is proposed in order to facilitate the formalization of cloud service workflow. In addition, the model incorporates the notion of role and business protocol to strength the model flexibility. Like the role of object in object-oriented programming language, this model provides a new perspective for modelling the cloudservice workflow and lay the solid foundation for its formal verification. © 2020 acm.

关键词： Web services

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Power Struggles in the Digital Economy: Platforms, workers, and Markets 18

Power Struggles in the Digital Economy: Platforms, Workers, ...

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acm conference on computer supported cooperative work and social computing (cscw)

作者： Lampinen, Airi Light, Ann Lutz, Christoph Immorlica, Nicole Newlands, Gemma Stockholm Univ Human Comp Interact Kista Sweden Univ Sussex Design & Creat Technol Brighton E Sussex England BI Norwegian Business Sch Nord Ctr Internet & Soc Oslo Norway Microsoft Res Boston MA USA

ISBN: (纸本)9781450360180

This workshop addresses the changing nature of work and the important role of exchange platforms as both intermediaries and managers. It aims to bring together interdisciplinary and critical scholars working on the power dynamics of digitally mediated labor. By doing so, the workshop provides a forum for discussing current and future research opportunities on the digital economy, including the sharing economy, the platform economy, the gig economy, and other adjacent framings. Of particular interest to this workshop is the intersection between worker and provider subjectivities and the roles platforms take in managing work through algorithms and software. Our one-day workshop accommodates up to 20 participants.

关键词： Digital economy power sharing economy gig economy on-demand economy peer-to-peer crowd work crowdsourcing algorithmic management

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Vibration Cues for Action Orders Improve Efficiency of Theatrical Performance Practice 18

Vibration Cues for Action Orders Improve Efficiency of Theat...

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acm conference on computer supported cooperative work and social computing (cscw)

作者： Sasaki, Kosuke Inoue, Tomoo Univ Tsukuba 1-2 Kasuga Tsukuba Ibaraki 3058550 Japan

ISBN: (纸本)9781450360180

In theatrical performance practices, actors are stressed once practice stops due to occurring mistakes. Our goal is to reduce the number of mistakes occurring in the theatrical performance practice by cuing the action order. We introduce a cuing system which uses tactile cues through vibrations and notifies actors of the turn of actions. We also reported the user study of the system. The results of the study suggested that the task-order coordination by the cuing system may be used not only for theatrical performance practices, but also for other real-time collaborative works with serial tasks.

关键词： real-time cooperative work serial tasks coordination orders

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Design for computer-Mediated Multilingual Communication with AI Support 18

Design for Computer-Mediated Multilingual Communication with...

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acm conference on computer supported cooperative work and social computing (cscw)

作者： Lim, Hajin Cornell Univ Dept Informat Sci Ithaca NY 14853 USA

ISBN: (纸本)9781450360180

Machine translation is often not enough for people to engage across languages due to translation errors and lack of cultural background. In addressing these challenges, my dissertation explores how AI-augmented analytics can improve computer-mediated communication between speakers of different native languages. First, to support better sense making of foreign language posts in social media, I designed SenseTrans, a tool that adds contextual information using AI-analytics such as sentiment analysis. In my future work, I intend to explore 1) how people perceive, interpret and make use of AI-generated information, and 2) how AI-augmented analytics could be applied to other settings.

关键词： Multilingual Communication Cross-lingual Communication Machine Translation AI-augmented Communication AI-assisted Communication social network sites social media Sense making

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Latin America as a Place for cscw Research 18

Latin America as a Place for CSCW Research

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acm conference on computer supported cooperative work and social computing (cscw)

作者： de Souza, Cleidson R. B. Gaytan-Lugo, Laura S. Lopez, Claudia Borges, Marcos R. S. Gutierrez, Francisco J. Aragon, Cecilia Univ Fed Para Rua Augusto Correa 01 BR-66075110 Belem Para Brazil Univ Colima Av Univ 333Viboras2 Colima 28040 Mexico Univ Tecn Federico Santa Maria Ave Espana 1680 Valparaiso Chile Univ Fed Rio de Janeiro Ave Brigadeiro Trompowsky S-NCidade Univ BR-20001097 Rio De Janeiro RJ Brazil Univ Chile Human Comp Interact & Social Comp Beauchef 851 Santiago Chile Univ Washington 407A Sieg Hall Seattle WA 98195 USA

ISBN: (纸本)9781450360180

Inspired by the acm SIGCHI Across Borders Initiative, this workshop focuses on ongoing cscw research in, or about, Latin America (LATAM). We seek to position LATAM as the common context that unites students, academic and industry researchers who participate in the workshop. Our goals are: (1) to discuss the opportunities and challenges of doing cscw research centered on LATAM, (2) to collaboratively mentor emerging projects focused on LATAM, and (3) to make LATAM research projects more visible to the international community. Senior cscw researchers from LATAM and other regions will be invited to discuss the work presented at the event in order to facilitate a greater integration of Latin American cscw into the cscw community at large.

关键词： Guides instructions author's kit conference publications Latin America cscw Community

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