Výsledky vyhledávání - "Joong Hyuk Chang"

Finding high utility old itemsets in web-click streams

Autor: Joong-Hyuk Chang

Publikováno v: Journal of the Korea Academia-Industrial cooperation Society. 17:521-528

Web-based services are used widely in many computer application fields due to the increasing use of PCsand mobile devices. Accordingly, topics on the analysis of access logs generated in the application fields have been researched actively to support

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc69d3fc826e33521df3cdf8ec775b13
https://doi.org/10.5762/kais.2016.17.4.521

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Mining highly attention itemsets using a two-way decay mechanism in data stream mining

Autor: Joong-Hyuk Chang

Publikováno v: Journal of the Korea Industrial Information Systems Research. 20:1-9

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::930e8cfc74386447eac0d26361bcc0eb
https://doi.org/10.9723/jksiis.2015.20.2.001

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A study on finding influential twitter users by clustering and ranking techniques

Autor: Jun-Il Choi, Joong-Hyuk Chang

Publikováno v: Journal of the Korea Industrial Information Systems Research. 20:19-26

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::40c5a5e9f0b30f914e9b6e357473da5d
https://doi.org/10.9723/jksiis.2015.20.1.019

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Finding Interesting Sequential Patterns in Sequence Data Streams via a Time-Interval Weighting Approach

Autor: Nam Hun Park, Joong Hyuk Chang

Publikováno v: IEICE Transactions on Information and Systems. :1734-1744

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9404e19d8314bda8b5c9df09293931e9
https://doi.org/10.1587/transinf.e96.d.1734

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Comparative analysis of sequence weighting approaches for mining time-interval weighted sequential patterns

Autor: Joong Hyuk Chang, Nam Hun Park

Publikováno v: Expert Systems with Applications. 39:3867-3873

Unlike the general sequential pattern mining that considers only the generation order of data elements, mining weighted sequential patterns aims to get more interesting sequential patterns by considering the weights of data elements in a target seque

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95c2250071d48c223fa7cfd030e4c42e
https://doi.org/10.1016/j.eswa.2011.09.100

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Efficient Skyline Computation on Time-Interval Data Streams

Autor: Nam-Hun Park, Joong-Hyuk Chang

Publikováno v: Journal of the Korea Academia-Industrial cooperation Society. 13:370-381

Multi-criteria result extraction is crucial in many scientific applications that support real-time stream processing, such as habitat research and disaster monitoring. Skyline evaluation is computational intensive especially over continuous time-inte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f12618f2182f528ef69f995caa76ec21
https://doi.org/10.5762/kais.2012.13.1.370

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Implementation of a smart ticketing system using mobile devices

Autor: Joong-Hyuk Chang, Jun-Il Choi

Publikováno v: Journal of the Korea Industrial Information Systems Research. 16:63-71

In general the tickets are essential to buy goods and take services, which are used in various fields of modern society, and there have been several types of tickets such as a paper and an RFID chip. However, the conventional system has a problem lik

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c055b09f69d6c479ede12975dc74f44e
https://doi.org/10.9723/jksiis.2011.16.5.063

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