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Current Issue
05 July 2019, Volume 31 Issue 7
Special review
Review of Data Quality Research: Comparative Perspective | Open Access
SUN Lili, YUAN Qinjian
2019, 31(7):  4-13.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0421
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Data quality is the precondition of data application and the core content of big data research. In this study, related topics such as the concept connotation of data quality, and its influence factors, data quality evaluation, the optimization strategies were comprehensively combed and reviewed. With the methods of comparative analysis,the paper analyzed data quality and information quality, traditional data quality and large data quality in order to clarify the research progress on key issues in the field of data quality, and to clarify the focus of data quality research.
Research paper
Rethinking the Realization of Intelligence from the Perspective of Information Chain | Open Access
ZHAO Rongying, YU Bo
2019, 31(7):  14-20.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0472
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In the environment of computer technology, big data, cloud computing, artificial intelligence and data science, intelligence research has once again caused great concern. It is of great theoretical and practical significance to re-recognize intelligence research from the perspective of information chain. Based on combing and analyzing the information chain, intelligence and the relationship between them, the information realization and service system model from the perspective of information chain is constructed. The study finds that in the new era, each transformation link of the information chain will be directly or indirectly transformed into intelligence, and the information chain and intelligence attributes, human cognition, management and technology will have greater impact for realization of intelligence. Finally, some suggestions for improving the realization of intelligence are put forward.
Research and Countermeasure of Academic Research Support Service of University Library Based on Data | Open Access
DONG Wei, LIU Tingting, GUO Zhi
2019, 31(7):  21-28.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0002
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[Purpose/Significance] In the era of big data, data, as the driving force of scientific research, has played an extremely important role in academic research. As a research university, academic library supports the important field of academic research. Under the data-intensive research paradigm, the services it provides support the development of digital academics. [Methods/Procedures] This article compares the content and model of digital academic support services between domestic and foreign university libraries, and analyzes the new trends and new methods needed for digital academic support. [Results/Conclusion] University libraries should provide all-round support services for digital academics with talent as the core, resources as the foundation, and space as the carrier. At the same time, the development of digital academics is also the publication business of university libraries. The exchange mechanism and marketing model provide opportunities for iterative development, avoiding the marginalization of university libraries in the digital era and opening up broader ways for their own development.
Intelligence Guidance and Evaluation System of Information Resources for Reading Therapy | Open Access
ZHAI Xiufeng, HU Damin
2019, 31(7):  29-35.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0390
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Wisdom reading has the function of psychological healing. We use Delphi method to construct the classification index of resources. Information resources are divided into four knowledge dimensions, and then into thirteen subcategories. With the help of analytic hierarchy process(AHP), a pairwise judgment matrix is constructed to calculate the weights of thirteen resources and rank them. Finally, the function of the evaluation system is put forward, which provides a standard for wisdom guidance, reading promotion and psychological healing.
Developing the Subject Service of University Library under the Background of Double First-Class Construction | Open Access
RAN Na
2019, 31(7):  36-43.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0559
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[Purpose/Meaning] Summarizes the status of the subject service of some "double-class" university libraries, puts forward the construction of the subject service system of university libraries, promotes the expansion of the content of subject services, and promotes the development of subject services. [Method/Process] Relying on website survey, WeChat public number, department visit, department research, reader survey, etc. to obtain data information, analyze the factors affecting the construction effect of subject service, and explore the subject of university library under the background of "double first-class" Construction measures for the service system. [Results/Conclusions] In order to build a disciplinary service system, promote the cooperation and exchange between university libraries and service objects, and promote the interaction between discipline construction, scientific research projects, personnel training and industrial development, and provide efficient, scientific and in-depth reference for subject services in the construction of "double first-class" schools.
Research on the Construction Mode of Five-in-one Document Resources in University Libraries Driven by Reader's Demand | Open Access
GU Jie, SONG Fei, ZHANG Yuhui
2019, 31(7):  44-49.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0358
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In order to satisfy the readers and improve the efficiency and satisfaction of the library literature resources construction, this paper investigates and analyses the current situation of the library literature resources construction and reader's demand through the methods of literature investigation and questionnaire survey. On this basis, the five-in-one mode of literature resources in university libraries driven by reader's demand and characterized by four main channels of OPAC inquiry, multi-channel recommendation and physical bookstore and electronic resources, supplemented by literature delivery and subject service team services is constructed. The paper summarizes the characteristics of the model and assists implement data statistics with the model for a period of time.Five links should be created according to the demand of readers and act for the demand of readers, complement each other, coordinate with each other, systematically and omni-directionally meet the demand of readers, and explore the future development direction of literature resources construction in university libraries from this mode.
Reader Behavior Trends and Coping Strategies in the Age of 5G Communication | Open Access
ZHAO Borui
2019, 31(7):  50-55.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0525
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[Objective] 5G technology will lead to the decline of library entrance and borrowing. In order to put forward constructive measures to change the development path of libraries in the future, this paper discusses and analyses the development trend, prospective application and technological development of 5G to readers' behavior habits. [Methods] Expanding research areas, research on the relationship between communication technology updating and reader behavior based on large data, combining readers' needs and subjective experience. This paper analyses the characteristics of library readers' behavior under the future 5G technology. [Limitation] At present, the impact of 5G technology on libraries is still in its infancy. There is no unified thought in academic practice and theory. It is very important of grasping the future development direction of libraries, and then finding accurate response strategies. [Conclusions] 5G technology is both a challenge and an opportunity for the development of libraries. Researchers should expand their research areas, seek coping strategies, and establish technological development ideas including Dalian Connection Technology, Cloud Computing, AI Services and Decentralization and the management concept of "de-centralization".
Applied practice
Just-In-Time Collection Services: Practices in the U.S. | Open Access
ZHANG Ying
2019, 31(7):  56-65.  DOI: 10.13998/j.cnki.issn1002-1248.2019.07.19-0490
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Just in Time /JIT, created by the Japanese automaker Toyota in mid-20th Century, has been a leading philosophy for both production and inventory management for decades. Libraries in the U.S. increasingly