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检索条件"任意字段=2016 IEEE International Conference on Progress in Informatics and Computing"

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Fine-grained Sentiment Analysis of Reviews Using Shallow Semantic Information 5

Fine-grained Sentiment Analysis of Reviews Using Shallow Sem...

引用

2017 international conference on progress in informatics and computing(PIC)

作者： Hanxiao Shi Yahui Zhang Yi Zou Xiaojun Li School of Management and E-Business Zhejiang Gongshang University

ISBN: (纸本)9781538619797;9781538619780

There is a growing interest in sharing personal opinions on the Web,such as product reviews,economic analysis,political polls,*** research focuses on document-based approaches and documents are represented by ***,due to loss of contextual information,this representation fails to capture the associative information between an opinion and its corresponding ***,several researches focus on sentence-based approaches,which can effectively deal with an attribute-sentiment word pair within one ***,those approaches are unable to process more than one attribute within one *** this paper,we first present an improved sentiment word quantitative method to generate sentiment score for every word in sentiment ***,we propose a novel identification approach of attribute-modifier-sentiment word triple using shallow semantic *** results show the feasibility and effectiveness of our approach.

关键词： Sentiment analysis Opinion mining Sentiment lexicon

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An Automatic Pipeline Of Delineation And 3D Profile Mapping For Potential Exploration Targets From Mineral Data Of Limited Drilling Cores 5

An Automatic Pipeline Of Delineation And 3D Profile Mapping ...

引用

2017 international conference on progress in informatics and computing(PIC)

作者： Shaoming Zhu Liancun Xiu Yan Lu School of Computer Science and Engineering Nanjing University of Science and Technology Nanjing Geological Survey Center

ISBN: (纸本)9781538619797;9781538619780

The three-dimensional geological modeling and orebody visualization based on a small number of drilling cores are key issues for three-dimensional geological exploration. In this paper, we present an automatic pipeline of delineation and 3 D profile mapping for potential exploration targets. As an integrated threedimensional modeling process, the framework includes three key modules such as the terrain generation, delineation and three-dimensional profile mapping. The delineation is achieved by calculating the cutoff grade isosurface with a novel curved spline model. For the threedimensional profile mapping, it is made by using the Kriging interpolation to generate the profile at an arbitrary angle within the delineation area. Finally, the proposed framework is validated by using the real mineral data of some drilling cores of Wulonggou area in Qinghai province of China, and the visualization results verify its effectiveness.

关键词： three-dimensional modeling spline interpolation Kriging interpolation orebody delineation

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Join Order Algorithm Using Predefined Optimal Join Order 5

Join Order Algorithm Using Predefined Optimal Join Order

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2017 international conference on progress in informatics and computing(PIC)

作者： Areerat Trongratsameethong Department of Computer Science Faculty of Science Chiang Mai University

ISBN: (纸本)9781538619797;9781538619780

This paper proposes an optimization algorithm named Join Order Algorithm Using Predefined Optimal Join Order or is called JAPO algorithm to optimize join cost. Optimal join order solutions for all possible join patterns are predefined and stored in a file using Dynamic Programming with Memorization technique or is called DPM algorithm. JAPO algorithm searches join order solutions from the predefined optimal join orders using hash function instead of traversing all search space. Experiments are conducted and join costs obtained by JAPO algorithm are compared with DPM algorithm and greedy algorithm named GOO. The experimental results show that JAPO algorithm with polynomial time complexity obtains almost 100 percent of optimal join order solutions. DPM algorithm obtains 100 percent of optimal join order solutions with factorial time complexity. GOO algorithm with polynomial time complexity obtains sub-optimal solutions and number of optimal solutions obtained by GOO algorithm decreases when number of relations to be joined is increased.

关键词： query optimization optimization algorithm join order algorithm predefined optimal join order join graph pattern

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Underfloor Heating Users Prediction Based on SVDD 5

Underfloor Heating Users Prediction Based on SVDD

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2017 international conference on progress in informatics and computing(PIC)

作者： Xingguang Yang Huiqun Yu Jianmei Guo GuiSheng Fan Kai Shi Department of Computer Science and Engineering East China University of Science and Technology Alibaba Group

ISBN: (纸本)9781538619797;9781538619780

Data analysis and utilization play an important role in the development of enterprises. How to extract valuable information from existing data is the focus of current *** of underfloor heating users is an important and urgent research topic of Gas Co. This paper constructs a prediction model to analyze whether the gas users are underfloor heating users or not based on the gas data sets. Because the training set we obtained only contains one class of data, we adopt the SVDD algorithm, which can effectively solve the oneclass classification problem. In the experiment, we construct the prediction model effectively and estimate the proportion of underfloor heating users in gas users. Considering the sensitivity of the parameters in the SVDD algorithm to the prediction model, we obtained the relationship between the proportion of underfloor heating users and the values of parameters through the parameter tuning, which could provide the reference for Gas Co to select parameters.

关键词： SVDD algorithm underfloor heating users prediction one-class classification

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English Mispronunciation Detection Based on Improved GOP Methods for Chinese Students 5

English Mispronunciation Detection Based on Improved GOP Met...

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2017 international conference on progress in informatics and computing(PIC)

作者： Guimin Huang Jing Ye Zhenglin Sun Ya Zhou Yan Shen Ruyu Mo Guilin University of Electronic Technology

ISBN: (纸本)9781538619797;9781538619780

In this paper, we proposed two approaches to detect mispronunciation in spoken English for Chinese Students which is based on improved Goodness Of Pronunciation(GOP) algorithm. We adopted a modified Maximum Likelihood Linear Regression(MLLR) to adjust the acoustic model which can reduce the mismatch between native original model and adaptive data from non-native speakers. Then we could calculate the ameliorated GOP value to improve the performance of phonelevel pronunciation error detection. Besides, as Chinese students are likely to be influenced by their mother tongue in their oral English training, we collected the common pronunciation error patterns of Chinese students by introducing priori linguistic knowledge and established a phonemes set that are easy to confuse for optimizing the GOP probability space. The mispronunciation detection system with the above ways could review input speech and detect the flawed phone to allow the non-native learners to correct the mispronunciation duly. The experimental results suggested that the modified GOP method reached good effect of English pronunciation error detection for Chinese students.

关键词： Mispronunciation detection Goodness of pronunciation Maximum likelihood linear regression

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An Online Cost-Efficient Scheduler for Requests with Deadline Constraint in Hybrid Clouds 5

An Online Cost-Efficient Scheduler for Requests with Deadlin...

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2017 international conference on progress in informatics and computing(PIC)

作者： Yufei Wang Guangtao Xue Shiyou Qian Minglu Li School of Electronic Information and Electrical Engineering Shanghai Jiao Tong University

ISBN: (纸本)9781538619797;9781538619780

The hybrid cloud model has received considerable attention in recent years. However, it is challenging to schedule computing applications in hybrid clouds because of the various product types and pricing models provided by different cloud providers in conjunction with the complexity of private cloud resource management. In this paper, we focus on a typical scenario to schedule computing requests in hybrid clouds, trying to minimize the costs incurred while keeping the deadline missing of the requests at an acceptable level. We formulate this problem as an online optimization model originally, and by taking advantage of the Lyapunov optimization techniques, we transform it into a one-shot binary linear optimization problem which is much easier to solve. Based on that we develop a hybrid cloud scheduler, and simulation results suggest that our scheduler strikes a good balance between the cost of public clouds and the deadline missing of computing requests. Besides, the proposed scheduler shows a nearly optimal resource utilization rate and a good average scheduling delay.

关键词： hybrid cloud scheduling deadline constraint Lyapunov optimization

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Trust Your Wallet: a New Online Wallet Architecture for Bitcoin 5

Trust Your Wallet: a New Online Wallet Architecture for Bitc...

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2017 international conference on progress in informatics and computing(PIC)

作者： Fangdong Zhu Wen Chen Yunpeng Wang Ping Lin Tao Li Xiaochun Cao Long Yuan College of Computer Science Sichuan University State Key Laboratory of Information Security Institute of Information EngineeringChinese Academy of Sciences School of Computer Science and Engineering University of New South Wales

ISBN: (纸本)9781538619797;9781538619780

Online wallet has become an important method to manage Bitcoin. In a Bitcoin transaction, online wallet manages the private key automatically, and stores the encrypted private key in remote to ensure the accessibility of Bitcoin anywhere. In the traditional online wallet, the private key is stored centrally in a storage unit. However, if the storage unit is collapsed or hacked, users will suffer the risk of losing their *** by this, in this paper, we propose a new online wallet architecture: HA-eWallet. In HA-eWallet, the transaction of Bitcoin is signed by multiple private keys rather than one, and private keys are stored separately in different places. In addition,we introduce a second service unit to construct the Active-Active architecture to rotate the capability and workload. Besides, we adopt a disaster recovery strategy in our proposed architecture in case of any disaster. According to the running states of each service unit, HA-eWallet have three operation models, and can be switched smoothly. Theoretical analyses and experiments show that: HA-eWallet can achieve higher availability compared with the traditional online wallet architecture, and users will not suffer a loss as long as the number of lost private keys are less than50% of the users’ total number of private keys.

关键词： Bitcoin multi-signature disaster recovery high availability online wallet Active Active architecture

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Study on smart care service for the aged based on context awareness 5

Study on smart care service for the aged based on context aw...

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2017 international conference on progress in informatics and computing(PIC)

作者： Yonghui Dai Jinfei Wang Haoyuan Pan Fenfen Zhou Chen Ye Management School Shanghai University of International Business and Economics School of Finance Shanghai University of International Business and Economics Third complete primary school of Loudi City of Hunan Province

ISBN: (纸本)9781538619797;9781538619780

In recent years, the trend of population aging brings great demand to the service industry for the aged. Meanwhile, the old-age service resources are relatively scarce, which has become an important issue in the development of society all over the world. In order to improve the service quality of the aged, smart care service based on context awareness was proposed in this paper. Firstly, environmental data, physical sign, voice and facial expression data of the aged are collected. And then affective computing and data mining methods were used to these data, so as to find out the demand of the aged and provide them with smart care service. Results show that this method can effectively help the aged.

关键词： smart care service the aged context awareness,affective computing

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A Smart Card Management and Application System

A Smart Card Management and Application System

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The 2010 ieee international conference on progress in informatics and computing

作者： Mohamed Mohandes King Fahd University of Petroleum & Minerals Dhahran 31261Saudi Arabia

ISBN: (纸本)9781424467860

This paper discusses the development of a smart card *** consists of two parts:Card Management System(CMS) and Application Management System(AMS). The system includes also implementation of a Public Key Infrastructure(PKI) for data *** CMS manages a complete life cycle of smart cards,like requesting a card, printing,and defining holder's *** the application management system,several applications have been implemented including identification,e-wallet,and access *** card management system and card application systems share one centralize *** developed systems have been successfully tested.

关键词： Smart card management system cmart card application system,public key infrastructure

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A preliminary framework for geometric basis computing pattern

A preliminary framework for geometric basis computing patter...

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ieee international conference on progress in informatics and computing (PIC)

作者： Lin, Wei He, Yuanjun Yu, Haiyan Department of Computer Science and Engineering Shanghai Jiao Tong University Shanghai China College of Mechanical Engineering Donghua University Shanghai China

ISBN: (纸本)9781424467860

Geometric problems are usually solved by algebraic methods, which narrows the capacity of geometry. We represent a preliminary framework for geometric basis computing pattern. The pattern is based on He's theory and solves the problems in the synthetic way. We define the geometric basis and use an axiomatic prover to generate a sequence of geometric bases. computing is made according to the sequence. We also give an example to demonstration the feasibility of our approach. ©2010 ieee.

关键词： Algebra

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