• Title/Summary/Keyword: Functions of Libraries

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Improvement of Smart Library Information Service System for SaaS-based Cloud Computing Service

  • Min, Byung-Won
    • International Journal of Contents
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    • v.12 no.4
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    • pp.23-30
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    • 2016
  • For a library to be able provide information services and fulfill its function as a knowledge convergence center capable of responding to various information demands, the development of next-generation information systems based on the latest information and communication technology is needed. The development of mobile information services using portable devices such smart phones and tablet PCs and information systems which incorporate the concepts of cloud computing, SaaS (Software as a Service), annotation and Library2.0 is also required. This paper describes a library information system that utilizes collective intelligence and cloud computing. The information system developed for this study adopts the SaaS-based cloud computing service concept to cope with the shift in the mobile service paradigm in libraries and the explosion of electronic data. The strengths of such a conceptual model include the sharing of resources, support of multi-tenants, and the configuration and support of metadata. The user services are provided in the form of software on-demand. To test the performance of the developed system, the efficiency analysis and TTA certification test were conducted. The results of performance tests, It is encouraging that, at least up to 100MB, the job time is approximately linear and with only a moderate overhead of less than one second. The system also passed the level-3 or higher criteria in the certification test, which includes the SaaS maturity, performance and application program functions.

Glycosylation of Semi-Synthetic Isoflavene Phenoxodiol with a Recombinant Glycosyltransferase from Micromonospora echinospora ATCC 27932

  • Seo, Minsuk;Seol, Yurin;Park, Je Won
    • Journal of Microbiology and Biotechnology
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    • v.32 no.5
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    • pp.657-662
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    • 2022
  • Glycosyltransferase (GT)-specific degenerate PCR screening followed by in silico sequence analyses of the target clone was used to isolate a member of family1 GT-encoding genes from the established fosmid libraries of soil actinomycetes Micromonospora echinospora ATCC 27932. A recombinant MeUGT1 was heterologously expressed as a His-tagged protein in E. coli, and its enzymatic reaction with semi-synthetic phenoxodiol isoflavene (as a glycosyl acceptor) and uridine diphosphate-glucose (as a glycosyl donor) created two different glycol-attached products, thus revealing that MeUGT1 functions as an isoflavonoid glycosyltransferase with regional flexibility. Chromatographic separation of product glycosides followed by the instrumental analyses, clearly confirmed these previously unprecedented glycosides as phenoxodiol-4'-α-O-glucoside and phenoxodiol-7-α-O-glucoside, respectively. The antioxidant activities of the above glycosides are almost the same as that of parental phenoxodiol, whereas their anti-proliferative activities are all superior to that of cisplatin (the most common platinum chemotherapy drug) against two human carcinoma cells, ovarian SKOV-3 and prostate DU-145. In addition, they are more water-soluble than their parental aglycone, as well as remaining intractable to the simulated in vitro digestion test, hence demonstrating the pharmacological potential for the enhanced bio-accessibility of phenoxodiol glycosides. This is the first report on the microbial enzymatic biosynthesis of phenoxodiol glucosides.

Design and Analysis of User's Libraries for Parallel Computing based on the Internet (인터넷 기반의 병렬 컴퓨팅을 위한 사용자 라이브러리 설계 및 성능 분석)

  • Sin, Pil-Seop;Jeong, Jun-Mok;Maeng, Hye-Seon;Hong, Won-Gi;Kim, Sin-Deok
    • The Transactions of the Korea Information Processing Society
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    • v.6 no.11
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    • pp.2932-2945
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    • 1999
  • As the Internet and Java technology have been growing up, parallel processing approach to utilize those idle resources connected to the Internet has become quite attractive. In this paper, JICE(Java Internet Computing Environment) was implemented as a parallel computing platform based on the Internet using multithreading and RMI mechanisms provided by Java. The basic model of JICE is constructed as three components, such as a client, a set of workers, and a broker. A worker communicates with other workers via a globally shared memory system. It provides users with master-slave programming model and a collection of library functions. The basic model of JICE is also extended as a multimanaging system. This multimanaging system is evaluated by analysis to show its effectiveness. According to numerical analysis and experiments with several benchmarks, it is shown that the performance of basic model depends on the shared memory reference ratio and user's library is a quite promising.

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A Study of Promotion of Public Policy Information Services: Focusing on a Model of a Specialized Educational Policy Information Center (정책정보서비스의 활성화 방안 연구 - 교육정책정보전문센터의 모형 제시를 중심으로 -)

  • Lee, Myeong-Hee
    • Journal of the Korean Society for Library and Information Science
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    • v.47 no.3
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    • pp.139-160
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    • 2013
  • Ten Web sites from educational policy authorities, educational research institutions, professional educational, and national libraries that provide educational policy information services are investigated using content analysis method. They are analyzed using various types of information sources, classification schemes, and functions of information retrieval. Standardization of classification scheme of educational policy information, standardization of meta data items, improvement of retrieval systems, provision of personalized information services to educational policy authorities, operation of specialized policy information centers, and cooperation among professional institutions are suggested. A model of a specialized educational policy information center is proposed.

A Study on the Utilization of the Grey Literature in Digital Age (디지털 시대의 회색문헌 이용 활성화에 관한 연구)

  • Nam, Young-Joon
    • Journal of the Korean Society for information Management
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    • v.19 no.4
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    • pp.234-255
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    • 2002
  • Despite of the importances, grey literatures are often overlooked as a resource in libraries because they have always had the reputation of being obscure and difficult to locate. Thus, an information system and network for the management of grey literature is essential to the improvement of Korean R&D in science and technology. The Results of the research are as follow : - Declare the clear definitions and types of grey literatures - Suggest the utilizing methods of grey literatures - Identify the major functions or requirements of National Information Center on Grey Literature.

EST-based Identification of Genes Expressed in the Brain of the Olive Flounder Paralichthys olivaceus

  • Lee, Jeong-Ho;Noh, Jae-Koo;Kim, Hyun-Chul;Park, Choul-Ji;Min, Byung-Hwa;Kim, Young-Ok;Kim, Jong-Hyun;Kim, Kyung-Kil;Kim, Woo-Jin;Myeong, Jeong-In
    • Fisheries and Aquatic Sciences
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    • v.12 no.4
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    • pp.286-292
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    • 2009
  • We have constructed a cDNA library using brain samples of olive flounder Paralichthys olivaceus. Here, we described the study on gene identification by screening 356 clones from the brain cDNA library of olive flounder. Here, we screened 356 clones from the library to identify genes. Of these, 176 (49.5%) were identified as orthologs of known genes from olive flounder and other organisms. Among the 176 EST clones, 33 (18.7%) represented 11 unique genes that are identical to expressed sequence tags (ESTs) reported for olive flounder, and 120 (68.2%) represented 102 unique genes known from other organisms. The percentage of unknown genes (50.5%) is higher than in other olive flounder cDNA libraries (Lee et al., 2003, 2006, 2007), reflecting the high complexity of brain tissue. Further studies of expression characterization and developmental behavior related to these genes should provide useful insight into the physiological functions of the brain in olive flounder.

Understanding recurrent neural network for texts using English-Korean corpora

  • Lee, Hagyeong;Song, Jongwoo
    • Communications for Statistical Applications and Methods
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    • v.27 no.3
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    • pp.313-326
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    • 2020
  • Deep Learning is the most important key to the development of Artificial Intelligence (AI). There are several distinguishable architectures of neural networks such as MLP, CNN, and RNN. Among them, we try to understand one of the main architectures called Recurrent Neural Network (RNN) that differs from other networks in handling sequential data, including time series and texts. As one of the main tasks recently in Natural Language Processing (NLP), we consider Neural Machine Translation (NMT) using RNNs. We also summarize fundamental structures of the recurrent networks, and some topics of representing natural words to reasonable numeric vectors. We organize topics to understand estimation procedures from representing input source sequences to predict target translated sequences. In addition, we apply multiple translation models with Gated Recurrent Unites (GRUs) in Keras on English-Korean sentences that contain about 26,000 pairwise sequences in total from two different corpora, colloquialism and news. We verified some crucial factors that influence the quality of training. We found that loss decreases with more recurrent dimensions and using bidirectional RNN in the encoder when dealing with short sequences. We also computed BLEU scores which are the main measures of the translation performance, and compared them with the score from Google Translate using the same test sentences. We sum up some difficulties when training a proper translation model as well as dealing with Korean language. The use of Keras in Python for overall tasks from processing raw texts to evaluating the translation model also allows us to include some useful functions and vocabulary libraries as well.

Awareness and Use of Cloud Computing Services and Technologies by Librarians in Selected Universities in Edo State

  • Aiyebelehin, Afebuameh James;Makinde, Bosede;Odiachi, Rosemary;Mbakwe, Cynthia Chiamaka
    • International Journal of Knowledge Content Development & Technology
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    • v.10 no.3
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    • pp.7-20
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    • 2020
  • This study examined the awareness and use of cloud computing services by librarians in selected universities in Edo State. A descriptive survey research design was employed and the instrument used was questionnaire. The population of the study was 132 professional and Para-professional librarians. The total enumeration technique was used to select the entire population because the size was manageable. Simple percentage, frequency count, and mean were used to analyze the data collected. From the analysis of data gathered, it was found that the librarians are aware of the use of OCLC, world cat, and Google docs to a very high extent. It was found that the librarians used cloud computing services and technologies for collection development functions and cataloging. Based on the findings it was recommended that management of the libraries should support librarians by providing adequate funding to the library in order to support the acquisition and maintenance of infrastructure for cloud computing.

Insilico Analysis for Expressed Sequence Tags from Embryogenic Callus and Flower Buds of Panax ginseng C. A. Meyer

  • Sathiyamoorthy, Subramaniyam;In, Jun-Gyo;Lee, Byum-Soo;Kwon, Woo-Seang;Yang, Dong-Uk;Kim, Ju-Han;Yang, Deok-Chun
    • Journal of Ginseng Research
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    • v.35 no.1
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    • pp.21-30
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    • 2011
  • Panax ginseng root has been used as a major source of ginsenoside throughout the history of oriental medicine. In recent years, scientists have found that all of its biomass, including embryogenic calli and flower buds can contain similar active ingredients with pharmacological functions. In this study, transcriptome analyses were used to identify different gene expressions from embryogenic calli and fl ower buds. In total, 6,226 expressed sequence tags (ESTs) were obtained from cDNA libraries of P. ginseng. Insilico analysis was conducted to annotate the putative sequences using gene ontology functional analysis, Kyoto Encyclopedia of Genes and Genomes orthology biochemical analysis, and interproscan protein functional domain analysis. From the obtained results, genes responsible for growth, pathogenicity, pigments, ginsenoside pathway, and development were discussed. Almost 83.3% of the EST sequence was annotated using one-dimensional insilico analysis.

A Study on Auto Code Generation for High Performance Motor Control using the Simulink (Simulink 기반 자동차용 모터 고성능 제어를 위한 자동코드 생성에 관한 연구)

  • Lee, Geun-Ho;Hahm, Seung-Kwon
    • Journal of Institute of Control, Robotics and Systems
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    • v.19 no.12
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    • pp.1125-1131
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    • 2013
  • Nowadays, embedded software development using the MATLAB/Simulink system is gradually emerging. Studies generating the parts of embedded S/W in a Rapid Prototype are presented. In this paper, a method to generate the entire embedded S/W of enhanced AC motor control is proposed. High performance motor control could not be achieved with the basic Simulink library and RAppID Toolbox library as it does not have PWM based Interrupt, an ASAC (Analog Sensing for AC Motors) function and other special functions of the Freescale MPC555x. Consequently, the required libraries for enhanced AC motor control are created by Legacy code tool, TLC (Target Language Compiler) and S-Function (System-Function) of MATLAB/ Simulink and utilized in the Rapid Prototype. Motor control performance and execution time are compared automatically to the generated-code S/W with the hand coded S/W. The IPMSM (Interior Permanent Magnet Synchronous Motor) and MPC5553 board that were designed as the AC motor controller for hybrid electrical vehicle are used for the test. The performances meet the requirements and satisfactory results are acquired.