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Parameter learning for multi-factors of entity answer extracting

Parameter learning for multi-factors of entity answer extrac...

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2010 7th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2010

作者： Zong, Huanyun Yu, Zhengtao Mao, Cunli Zou, Junjie Guo, Jianyi School of Information Engineering and Automation Kunming University of Science and Technology Kunming China Institute of Intelligent Information Processing Computer Technology Application Key Laboratory of Yunnan Province Kunming China

ISBN: (纸本)9781424459346

Entity extraction involves multi-factors, and the different factor has an impact on the answer in varying degrees, this paper presents a machine learning approach to parameter learning for entity answer. Firstly, in view of characteristics of the Question Answering System (QA), we define three elements of the text score, passage score and entity score which influenced the answer extraction, also give the relevant computational method about them. Then collect 400 entity answers of product, person, and organization according to TREC2009 entity task requirements. With the help of search engines, retrieve related pages and calculate the score of the various factors related to the answer respectively. Thereafter compute the score of entity answers according to a linear combination of the various factors. Define an initial score to extract the entity answer and get a sorted list of answers. Finally, mark these entities answer to obtain the correct marked answers corpus, then build parameter learning model by the EM algorithm iterate gradually to find the optimal answer weight of different factors that influenced the answer extraction. We carried on the experiment in the TREC2009 entity task;it shows very good results for this method. The accuracy of entity answer has achieved 88.93%. ©2010 IEEE.

关键词： Parameter estimation

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Discussion on the method of basic computer education in characteristic university

Discussion on the method of basic computer education in char...

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2010 International Conference on E-Health Networking, Digital Ecosystems and Technologies, EDT 2010

作者： Wei, Fang School of Computer and Software Nanjing University of Information Science and Technology Nanjing China JiangSu Province Support Software Engineering RandD Center for Information Technology Application in Enterprise Suzhou China

ISBN: (纸本)9781424455157

The situation and questions of basic computer education in characteristics university are discussed firstly. Then the reform and construction of university computer-Based teaching are proposed. The paper has analyzed the different teaching approaches and addressed some teaching experiences for basic computer education. ©2010 IEEE.

关键词： Ablity development Basic computer education Characteristic university Employee oriented

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Regional agricultural information platform for public services

Regional agricultural information platform for public servic...

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Proceedings of the Biannual World Automation Congress

作者： Zhiyong He Lecai Cai Caiyun Wang Hongchan Li Institute of Computer Application Sichuan University of Science and Engineering Zigong Sichuan China

In view of agricultural information and communication environment of the status quo, based on the principle of government-led push forward. In this paper, in order to build a city-led information service center to districts and counties for the backbone network of services, information services to the township for assistance, information services to the village for four units supporting platform structure. The establishment of intelligent gateway integrated telephone, radio, television, text messaging, the Internet, intelligent voice, multimedia and other information platforms, and the development of smart terminal has solved the "last mile" problem of information service. Investment in small and easy promotion, high universality, etc., for the realization of an integrated regional agricultural information services is of has a certain reference significance.

关键词： Agriculture Internet Logic gates Government Information services Artificial intelligence

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Comprehensive agricultural information integration intelligent gateway

Comprehensive agricultural information integration intellige...

引用

Proceedings of the Biannual World Automation Congress

作者： Lecai Cai Dongbing Tong Zhiyong He Xiang Gao Institute of Computer Application Sichuan University of Science and Engineering Zigong Sichuan China

The intellectualized agriculture synthesis information integration gateway is the agricultural informationization system integration key technologies equipment. The agricultural synthesis information integrates gateway's architecture was proposed, and the main modules function of software and hardware were given, besides we analysised data attributes and the exchange mechanism of text, voice, video,etc. to be suitable for the agricultural informationization system multiplicity and complexity in the information the agricultural synthesis. A design method on milliard fold NAT-PT (Network Address Translation-Protocol Translation) transforms gateway is put forward, based on discussing resource distribution, the task scheduling and the exchange mechanism, which plays an important role on designing integrates gateway.

关键词： Logic gates Engines Hardware Agriculture Software Protocols Transforms

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An Approach for Web Service QoS Prediction Based on Service Using Information

An Approach for Web Service QoS Prediction Based on Service ...

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International Conference on Service sciences (ICSS)

作者： Li Zhang Bin Zhang Jun Na Liping Huang Mingwei Zhang Computer Application College of Information Science and Engineering Liaoning Shenyang Software Engineering Software College Liaoning Shenyang Computer Application College of Information Science and Engineering Liaoning Shenyang Software Engineering Software College Liaoning Shenyang

With the increasing numbers of Web services and service users on World Wide Web, predicting QoS (Quality of Service) for users will greatly aid service selection and discovery. Due to the different backgrounds and experiences of users, they have different QoS experiences when interacting with the same service. Even two users who have similar experiences on some services can have diverging views when considering services. This paper proposes an approach to predict QoS based on other users' QoS experiences. This method employs similarity mining and prediction from users' experience by firstly selecting a set of web services that have the highest degree of similarity with the target service by comparing the target service with the others services used by target user. Secondly, the missing value can be calculated through the data of similar services. On the basis of that, we calculate the user similarity and predict QoS data for target user. Experimental results show that it can improve the prediction accuracy of QoS for Web service by using this method.

关键词： Web services Quality of service Collaboration Educational institutions Arithmetic Information filtering Information filters Accuracy Information science computer applications

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K-means clustering analysis based on immune genetic algorithm

K-means clustering analysis based on immune genetic algorith...

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Proceedings of the Biannual World Automation Congress

作者： Lecai Cai Xingyan Yao Zhiyong He Xingjian Liang Institute of Computer Application Sichuan University of Science and Engineering Zigong Sichuan China

A novel algorithm, the k-means clustering algorithm based on immune genetic algorithm (KMCIGA) is put forward. To improve the Genetic operators, the conception of concentration in the immune algorithm and the dynamic chromosome coding are used. Strategies and methods of selecting vaccines and constructing an immune operator are also given. KMCIGA is illustrated to be obviously better than the traditional K-Means clustering algorithm in clustering division, and can improve the searching ability and adaptability, greatly increase the converging speed.

关键词： Clustering algorithms Biological cells Gallium Classification algorithms Encoding Algorithm design and analysis Genetic algorithms

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The effect of modification and processing condition on the properties of multiwall carbon nanotube / acrylonitrile-butadiene-styrene nanocomposite

The effect of modification and processing condition on the p...

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7th Asian-Australasian Conference on Composite Materials 2010, ACCM 2010

作者： Chen, Chia-Hsun Wang, Chen-Cheng Kuan, Chen-Feng Peng, Hsin-Chih Kuan, Hsu-Chiang Department O F Materials Science and Engineering Far East University 744 Chung Hua Rd. Hsin-Shih Tainan County 744 Taiwan Department O F Computer Application Engineering Far East University 744 Tainan county Taiwan Department of Energy Application Engineering Far East University Tainan County 744 Taiwan

ISBN: (纸本)9781632660756

In this study, Multiwall Carbon Nanotube (MWNT)/ Acrylonitrile-Butadiene- Styrene (ABS) nanocomposites were prepared via direct compounding or twice fabrication method. MWNT was firstly modified by several modifiers, which are maleic anhydride (MA), glycidyl methacrylate (GMA), methyl methacrylate (MMA), allyl amine (AA) and vinyl trimethoxy silane (VTMOS).After selecting the best modifier of carbon nanotube, VTMOS, we prepared the masterbatches MWNT/ABS nanoconposites. First, we carried out the manufacturing of masterbatches by using high temperature banbury, moreover, went on the twice fabrication by diluting masterbatches to get the better dispersion effect of carbon nanotube. And then, we used the different equipments which are twin screw extruder and high temperature banbury to compare the effect of carbon nanotube dispersion in polymer matrix. The results showed that the EMI SE value was 30 dB by adding 2.8 wt% of MWNT. The twice fabrication of twin screw extruder to diluting masterbatches can get the better physical properties of nanocomposites than that of directly compounding ones.

关键词： Nanocomposites

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Entity answer extraction of web table

Entity answer extraction of web table

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2010 7th International Conference on Fuzzy Systems and Knowledge Discovery, FSKD 2010

作者： Xu, Yangbo Yu, Zhengtao Mao, Cunli Wang, Yasheng Guo, Jianyi School of Information Engineering and Automation Kunming University of Science and Technology Kunming 650051 China Institute of Intelligent Information Processing Computer Technology Application Key Laboratory of Yunnan Province Kunming 650051 China

ISBN: (纸本)9781424459346

This paper presents an entity answer extraction method based on list web table. Firstly, extract table from page using the features of web page table and label, segment the table that includes the potential entity answers by calculating the relevance of web table's title and query context, merge the table elements of each column according to table properties, and merge the web table's title with the merged elements of column again. Secondly, using merged passage as context of entity recognition, and recognize the entity for each element of the table, thus get the probability of the column elements belongs to the same type of entity answer, and locate the passages of entity answers and the entity answers. Finally, we conduct the experiment in the task of Entity Track of TREC2009. It turns out that the proposed method shows a very good result, the accuracy of entity answer extraction for web table has achieved 99.08%. ©2010 IEEE.

关键词： Websites

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A Review of Current Multicast Routing Protocol of Mobile Ad Hoc Network

A Review of Current Multicast Routing Protocol of Mobile Ad ...

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International Conference on computer Modeling and Simulation, ICCMS

作者： Sunil Kumar Soni Trilok Chand Aseri Department of Computer Science & Application SAS Institute of IT and Research Mohali India Department of Computer Science and Engineering Punjab Engineering College Chandigarh India

This paper examines multicast routing protocol of mobile ad hoc network and evaluates these protocols based on some set of parameters. This paper provides an overview of ten different protocols by presenting their characteristics and functionality and then provides a comparison and discussion of their respective merits and drawbacks.

关键词： Multicast protocols Routing protocols Mobile ad hoc networks Unicast computer science Packet switching Ad hoc networks Multicast communication Handheld computers Bandwidth

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A color daytime and nighttime image fusion algorithm based on IHS and multi-wavelet transform

A color daytime and nighttime image fusion algorithm based o...

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International Conference on Mechatronics and Automation

作者： Tang, Guoliang Cai, Zhongmin Pu, Jiexin Huang, Xin-Han School of Information Technology Henan University of Traditional Chinese Medicine Zhengzhou China Department of Computer Application Henan Business College Zhengzhou China Institute of Electric Information Engineering University of Henan Science and Technology Luoyang China Department of Control Science and Engineering Huazhong University of Science and Technology Wuhan China

ISBN: (纸本)9781424451418

A daytime and nighttime color image fusion method based on IHS transform and Multi-Wavelet transform is presented. The method can automatically merge images of a scene captured under different illumination and can be used for practical purposes. Specifically, the fused image can give more information of the context of night-time traffic videos, which makes them easier to be understood. The context is automatically captured by a camera in a fixed-position during daytime and then is fused into a nighttime image of the same scene. The advantages of this method are that it preserves the important local perceptual cues and it can avoid the problems with traditional methods such as aliasing, ghosting and haloing. © 2010 IEEE.

关键词： Color

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