Most Down Articles

Published in last 1 year | In last 2 years| In last 3 years| All| Most Downloaded in Recent Month | Most Downloaded in Recent Year|

All

Please wait a minute...


For Selected: Download Citations EndNote Reference Manager ProCite BibTeX RefWorks Toggle Thumbnails

Select

Overview on the Advance of the Research on Named Entity Recognition Sun Zhen Wang Huilin New Technology of Library and Information Service    2010, 26 (6): 42-47.   DOI: 10.11925/infotech.1003-3513.2010.06.07 Abstract （1835）   HTML （3）    PDF （393KB）（12781）       Knowledge map    Save  The paper introduces the background and motivation of Named Entity Recognition，and summarizes the history development of Named Entity Recognition at home and abroad, as well as the related technology and evaluation method. Finally，it discusses the new development trends on Named Entity Recognition. Reference | Related Articles | Metrics

Select

Design and Implementation of Visualization System of Patent Family Liu Yuqin, Peng Maoxiang New Technology of Library and Information Service    2012, 28 (4): 68-73.   DOI: 10.11925/infotech.1003-3513.2012.04.11 Abstract （972）   HTML （1）    PDF （10548KB）（4134）       Knowledge map    Save This paper studies the visualization method of patent family which is transformed into tree structure,then puts formard two visualization methods including country mode and priority mode.Then a patent family visualization system is designed and implemented,and its technical idea,basic framework,main functions and key technologies are elaborated.At last, an empirical illustration about Apple's touch screen patent is proposed. Reference | Related Articles | Metrics

Select

Research on Technology Readiness Level and Identified Methods Wang Lixue,Leng Fuhai,Wang Haixia New Technology of Library and Information Service    2010, 26 (3): 58-63.   DOI: 10.11925/infotech.1003-3513.2010.03.10 Abstract （1291）   HTML （2）    PDF （572KB）（3802）       Knowledge map    Save This paper introduces the concepts and origins of Technology Readiness Levels(TRL) briefly and distinguishes TRL from related concepts, like technology life cycle. Then, much emphasis is put on the widely adopted NASA TRL system, and its characteristics description and research framework, as well as its applied values, assessment tools and limitation of applications are also described. At the end, two methods, including latent semantic indexing and co-word analysis, are carefully examined on the probability of identification of TRLs. Reference | Related Articles | Metrics

Select

LCSH, SKOS and Linked Data Ed Summers,Antoine Isaac,Clay Redding,Dan Krech New Technology of Library and Information Service    2009, 3 (3): 8-14.   DOI: 10.11925/infotech.1003-3513.2009.03.03 Abstract （1653）   HTML （36）    PDF （708KB）（3591）       Knowledge map    Save A technique for converting Library of Congress Subject Headings MARCXML to Simple Knowledge Organization System (SKOS) RDF is described. Strengths of the SKOS vocabulary are highlighted, as well as possible points for extension, and the integration of other semantic web vocabularies such as Dublin Core. An application for making the vocabulary available as linked data on the Web is also described. Reference | Related Articles | Metrics

Select

Research and Realization of Key Techniques of Library’s Digital Resource Integration Platform Based on SOA Song Min New Technology of Library and Information Service    2009, (9): 22-27.   DOI: 10.11925/infotech.1003-3513.2009.09.04 Abstract （1090）   HTML （6）    PDF （645KB）（2869）       Knowledge map    Save Concerning about the problem that various resources gates brings unsatisfactory user experience, the paper discusses library’s digital resource integration platform based on SOA. It introduces the integration object and system structure,and an integration platform has been designed and developed with visual studio.NET(C#). It discusses the application of SSO and how to choose and use open source software component in detail. Reference | Related Articles | Metrics

Select

The Comparative Analysis of Major Domestic and Foreign Ontology Library Bai Rujiang, Yu Xiaofan, Wang Xiaoyue New Technology of Library and Information Service    2011, 27 (1): 3-13.   DOI: 10.11925/infotech.1003-3513.2011.01.02 Abstract （2025）   HTML （59）    PDF （692KB）（2816）       Knowledge map    Save The paper introduces the major general Ontology libraries in domestic and foreign: WordNet、DBpedia、Cyc and HowNet, and the successful professional domain Ontology libraries: Biomedical Ontology and Enterprise Ontology. Then it separately compares and analyzes them from five aspects as the description language, storage mode, query language, platform building and application to provide assistance for the study in Ontology library and its application. Reference | Related Articles | Metrics

Select

Building the Open Source Mass Data Mining Platform Based on Cloud Computing Zhao Huaming New Technology of Library and Information Service    2010, 26 (10): 76-81.   DOI: 10.11925/infotech.1003-3513.2010.10.13 Abstract （1472）   HTML （7）    PDF （661KB）（2749）       Knowledge map    Save Aiming to meet the internal data processing needs of information organizations, this paper, by analyzing the frameworks of Amazon Elastic Map/Reduce (EMR) platform, puts forward to build the dynamic and elastic open source mass data mining platform based on cloud computing, and provides a roadmap of successful implementation, an example of massive text data processing and the analysis of advantages of open source EMR platform. This implementation plan includes three parts: building dynamic virtual environment of cloud computing,creating the virtual server template of Hadoop, and deploying and running Cloudera and Cloudera Desktop. Through the application of open source EMR platform , the problem of server sprawl can be solved effectively,the utilization ratio of network computing resource is improved,and the rapid deployment capability and agility of distributed data processing services are enhanced. Reference | Related Articles | Metrics

Select

A Model for Analyzing Public Opinion Under the Web and Its Implementation Qian Aibing New Technology of Library and Information Service    2008, 24 (4): 49-55.   DOI: 10.11925/infotech.1003-3513.2008.04.10 Abstract （1683）   HTML （7）    PDF （611KB）（2482）       Knowledge map    Save  In view of the shortcomings of traditional methods for analyzing public opinions, this paper proposes a new idea of public opinion analysis under the Web,and then designs a model for it. Experiments show that the proposed model is an effective solution to analyzing public opinion under the Web. Reference | Related Articles | Metrics

Select

Online Public Opinion Hotspot Detection and Analysis Based on Document Clustering Wang Wei,Xu Xin New Technology of Library and Information Service    2009, 3 (3): 74-79.   DOI: 10.11925/infotech.1003-3513.2009.03.13 Abstract （1678）   HTML （20）    PDF （557KB）（2470）       Knowledge map    Save According to the requirement of online public opinion analysis, this paper builds an online public opinion hotspot detection and analysis system based on document clustering. It builds vector space model by abstracting document features from sample Web pages, and get the hot-spot cluster by OPTICS algorithm. According the vector of hot-spot cluster, the Web pages are clustered for the second time. At last, it gets the time evolution mode about the public opinion to afford decision support for specific field,and improves the quality of page correlation and analyze the public opinion more accurately. Reference | Related Articles | Metrics

Select

Practice of Creating and Reasoning Science Ontology by Protégé Hong Na,Zhang Zhixiong New Technology of Library and Information Service    2009, 25 (7-8): 1-5.   DOI: 10.11925/infotech.1003-3513.2009.07-08.01 Abstract （1446）   HTML （7）    PDF （696KB）（2378）       Knowledge map    Save  After analyzing and using the Ontology editor Protégé, this paper chooses science individuals which extracting from Web content as analysis objects, and  tries out an experiment on creating science Ontology and reasoning on a simple relation. This paper also explains these methods and examples. Finally, it sums up some problems still existing in large scale Ontology storage and management. Reference | Related Articles | Metrics

Select

Research on Tag Cluster Based on Hierarchical Agglomerative Clustering Algorithm Cao Gaohui,Jiao Yuying,Cheng Quan New Technology of Library and Information Service    2008, 24 (4): 23-28.   DOI: 10.11925/infotech.1003-3513.2008.04.05 Abstract （1668）   HTML （4）    PDF （417KB）（2103）       Knowledge map    Save This paper firstly defines tag, tagging, folksonomy, then analyzes the limitation of collaborative tagging system. In order to achieve reorganization of the user tags and better tag navigation, browsing mechanism, the authors propose a method on using hierarchical agglomerative clustering algorithm to cluster the tags. Finally experiments certify the tag cluster method. Reference | Related Articles | Metrics

Select

An Algorithm of Short Text Classification Based on Semi-supervised Learning Zhang Qian, Liu Huailiang New Technology of Library and Information Service    2013, 29 (2): 30-35.   DOI: 10.11925/infotech.1003-3513.2013.02.05 Abstract （678）   HTML （5）    PDF （878KB）（2053）       Knowledge map    Save According to the characteristics of short texts and the bottleneck problem of annotation in dealing with large numbers of unlabeled samples, traditional algorithms of text classification can not be used directly. This paper introduces a method of short text classification based on semi-supervised learning and builds a semi-supervised classification model. It is feasible to accomplish the self-training of the training samples and takes full advantages of the unlabeled parts of training texts by using the initial classifier. The bottleneck problem of annotation is solved and the good performance of classifier is shown. The contrast experiment shows that the algorithm of short text classification based on semi-supervised learning can get better classified effect. Reference | Related Articles | Metrics

Select

Knowledge Representation in History Field Expert System Application Based on Ontology Dong Hui Xu Lei New Technology of Library and Information Service    2010, 26 (7/8): 72-78.   DOI: 10.11925/infotech.1003-3513.2010.07-08.13 Abstract （1535）   HTML （13）    PDF （644KB）（2049）       Knowledge map    Save This paper compares the advantages and disadvantages of the knowledge representation methods, and then introduces the superiority of Ontology based knowledge representation and knowledge reasoning emphatically. At last, it illustrates the applicational advantage of Ontology  in expert system by constructing history domain Ontology model. Reference | Related Articles | Metrics

Select

Influence Index Model of Micro-blog User Yuan Fuyong, Feng Jing, Fu Qianqian New Technology of Library and Information Service    2012, 28 (6): 60-64.   DOI: 10.11925/infotech.1003-3513.2012.06.10 Abstract （2308）   HTML （4）    PDF （548KB）（2035）       Knowledge map    Save The paper proposes users influence index model based on Sina micro-blog platform. Firstly, new users’ attention is used to replace the current false fans value, then the model uses this reasonable value to calculate users’ active index and micro-blog influence, at last it obtains the user influence by combining users’ active index and micro-blog influence reasonably. The model studies many factors of two aspects of users and users’ micro-blogs. The experiment result shows that the model can reduce the false fans’ interference and reflect the users’ real influence ability. Reference | Related Articles | Metrics

Select

Research on the Part-of-Speech Tagging Method Yin Jinling,Wang Huilin New Technology of Library and Information Service    2009, 3 (3): 46-51.   DOI: 10.11925/infotech.1003-3513.2009.03.08 Abstract （1422）   HTML （14）    PDF （601KB）（2031）       Knowledge map    Save POS tagging is an important part of corpora building and a basic research in the field of NLP. After comparing the advantage and weakness of the rule-based methods and the statistical methods, an automatic POS tagging method based on both CRF and TBL is presented. And the tests prove that the method can improve the accuracy of words tagging. Reference | Related Articles | Metrics

Select

The Automatic Extraction and Annotation of References in Dissertation Gao Wenli,Gao Yuanxian New Technology of Library and Information Service    2008, 24 (11): 72-75.   DOI: 10.11925/infotech.1003-3513.2008.11.14 Abstract （1866）   HTML （2）    PDF （477KB）（2005）       Knowledge map    Save  To aim at resolving the problem of difficult management of references in the process of composing dissertation, the authors take advantage of references’ strict annotation standard and realizes the automatic extraction and annotation of references in dissertation by the application of information extraction technology. Reference | Related Articles | Metrics

Select

An ACE View of the Development Tendency of Information Extraction Technology Zhao Qi,Liu Jianhua,Feng Haoran New Technology of Library and Information Service    2008, 24 (3): 18-23.   DOI: 10.11925/infotech.1003-3513.2008.03.04 Abstract （1998）   HTML （1）    PDF （414KB）（1979）       Knowledge map    Save This paper introduces the general situation and the track of development of ACE. According to the change of evolution task, teams, corpus and results, it analyzes the state-of-the-art development on information extraction and then gives out some thoughts concerning future directions. Reference | Related Articles | Metrics

Select

Typical Software Tools for Social Network Analysis Abroad Yan Duanwu,Wang Yuefen,Li Fei New Technology of Library and Information Service    2007, 2 (9): 6-11.   DOI: 10.11925/infotech.1003-3513.2007.09.02 Abstract （1466）   HTML （8）    PDF （740KB）（1869）       Knowledge map    Save Typical software tools have been disscussed and approached. The classes and nearly 20 software tools are firstly introduced and listed, then 5 typical software tools for SNA are emphasized, and a simple comparison among them is carried out. Reference | Related Articles | Metrics

Select

Chinese Text Keywords Extraction Based on Fuzzy Processing Zhang Hongying New Technology of Library and Information Service    2009, 25 (5): 39-43.   DOI: 10.11925/infotech.1003-3513.2009.05.08 Abstract （1255）   HTML （20）    PDF （493KB）（1855）       Knowledge map    Save This article studies algorithms of keywords extraction and analyzes factors that may influence the extraction. Based on the quantification of these factors, this paper proposes the complete framework of a model that includes word segmentation and part-of-speech tagging, text pre-treatment, weighted linear algorithm, generation and filtering of word combination, and combination of candidate keywords. Reference | Related Articles | Metrics

Select

Research and Implementation of Structural XML Retrieval Liu Dana,Lu Wei,Zhang Mi New Technology of Library and Information Service    2009, 3 (3): 52-56.   DOI: 10.11925/infotech.1003-3513.2009.03.09 Abstract （1395）   HTML （11）    PDF （552KB）（1837）       Knowledge map    Save This paper implements structured XML retrieval on a digital library retrieval system WHU-XML, with a method based on inverted file and with NEXI as the retrieval language. The retrieval algorithm and the parsing rules of the query language are also discussed in detail. Reference | Related Articles | Metrics