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Multi-Agent System based Focused Crawling Using Combination of Content and Link Structure Similarity
Ty Rasmey,Dongwoo Lee 한국정보기술학회 2012 Proceedings of KIIT Conference Vol.2012 No.5
This paper introduces an approach focused on topic-specific web crawler that discovers relevant topic with the use of intelligent multi-mobile agent technology is present. We extract topic keyword and judge the topic similarity of a page using combination of link structure which is calculated based on metadata of hyperlink and page content. It also presented a method that allow focused crawler go through several irrelevant pages to get to relevant one when the current page is irrelevant. The applications of system focus on two issues i.) Page relevance to a particular domain that need to crawl resource of relevant topic with high quality, ii) distribute computation among data sites, hence overcoming the drawback of traditional approaches.
Ty Choi,Reid McLain 한국경영커뮤니케이션학회 2021 Business Communication Research and Practice Vol.4 No.2
Objectives: While Korea is known to be entrepreneurial and the country is known to be driven by an innovative economy, entrepreneurial activity is more apparent within established businesses but not so much with new business ventures established by the youth and through education. This study will attempt to draw out the inherent factors, including those relating to business communication, which lead to the low propensity for youth entrepreneurship in Korea and determine the sources/causes of those factors. Methods: To identify and determine the sources of the factors, we reviewed and adapted literature for the traits, motivations, and barriers of entrepreneurs and entrepreneurship. We then surveyed articles providing case data of Korean youth to testify to those three aspects of entrepreneurs. Results: We ascertained that Korean youth lacked entrepreneurial activities and showed a low propensity to consider entrepreneurship a career path. This does not mean that Korean youth lack the capabilities to become entrepreneurs. Still, through the established cultural communication norms, they lack the self-awareness, exposure, experiences, and education for them to want to pursue entrepreneurship. Conclusions: From this study, we identified several factors and possible sources that reveal why Korean youth entrepreneurship is lacking. Our conceptual model specifies eight enablers that serve as guidelines and identify some communication norms that may need to be adjusted to help key players encourage entrepreneurial activity in youth.
Model order reduction for Campbell diagram analysis of shaft-disc-blade system in 3D finite elements
Ty Phuor,GilHo Yoon 국제구조공학회 2022 Structural Engineering and Mechanics, An Int'l Jou Vol.81 No.4
This paper presents the Campbell diagram analysis of the rotordynamic system using the full order model (FOM) and the reduced order model (ROM) techniques to determine the critical speeds, identify the stability and reduce the computational time. Due to the spin-speed-dependent matrices (e.g., centrifugal stiffening matrix), several model order reduction (MOR) techniques may be considered, such as the modal superposition (MS) method and the Krylov subspace-based MOR techniques (e.g., Ritz vector (RV), quasi-static Ritz vector (QSRV), multifrequency quasi-static Ritz vector (MQSRV), multifrequency/ multi-spin-speed quasi-static Ritz vector (MMQSRV) and the combined Ritz vector & modal superposition (RV+MS) methods). The proposed MMQSRV method in this study is extended from the MQSRV method by incorporating the rotational-speed-dependent stiffness matrices into the Krylov subspace during the MOR process. Thus, the objective of this note is to respond to the question of whether to use the MS method or the Krylov subspace-based MOR technique in establishing the Campbell diagram of the shaft-disc-blade assembly systems in three-dimensional (3D) finite element analysis (FEA). The Campbell diagrams produced by the FOM and various MOR methods are presented and discussed thoroughly by computing the norm of relative errors (ER). It is found that the RV and the MS methods are dominant at low and high rotating speeds, respectively. More precisely, as the spinning velocity becomes large, the calculated ER produced by the RV method is significantly increased; in contrast, the ER produced by the MS method is smaller and more consistent. From a computational point of view, the MORs have substantially reduced the time computing considerably compared to the FOM. Additionally, the verification of the 3D FE rotordynamic model is also provided and found to be in close agreement with the existing solutions.
Determinants to Behavioral Intentions of Job Recruiters to Distribute to E-Recruitment Systems
Nhu-Ty NGUYEN 한국유통과학회 2021 유통과학연구 Vol.19 No.11
Purpose: With the interest and ability in recruitment, it is totally worthy to discover how is labor market developed in Vietnam since the existence of the Internet. Considering employers as well as recruiters similar to jobseekers in term of technology adoption of job distribution, they should be treated fairly while performing their scopes of work. This paper aims to explore how employers perceive online recruiting platform as a supportive system, and this is to find out contributions of external factors regarding Job Boards behavioral intention to use. Research design, data and methodology: Conceptual framework tests the hypotheses involving in recruitment websites. Results: The results suggest that Board of Directors (BoD) or direct middle managers need to pay more attention on how their workforce performs through various channels of recruitment - both formal and informal, such as Linkedin or Facebook rather than a few compulsory job boards - no longer being accessed with high performance expectancy. However, the technology adaptation of recruitment is still a controversial issue due to its access to privacy of users. Conclusion: Therefore, employers should be more careful on how their personal contacts are going to be delivering without consent. Secondly, keeping systems up to date and “connected” is essential for both employees and employers.