• KSII Transactions on Internet and Information Systems (TIIS)
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• v.9 no.9
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• pp.3635-3654
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• 2015

With the rapid development of smart devices and mobile Internet, the video application plays an increasingly important role on mobile devices. Understanding user behavior patterns is critical for optimized operation of mobile live streaming systems. On the other hand, volume based billing models on cloud services make it easier for video service providers to scale their services as well as to reduce the waste from oversized service capacities. In this paper, the watching behaviors of a commercial mobile live streaming system are studied in a content-centric manner. Our analysis captures the intrinsic correlation existing between popularity and watching intensity of programs due to the synchronized watching behaviors with program schedule. The watching pattern is further used to estimate traffic volume generated by the program, which is useful on data volume capacity reservation and billing strategy selection in cloud services. The traffic range of programs is estimated based on a naive popularity prediction. In cross validation, the traffic ranges of around 94% of programs are successfully estimated. In high popularity programs (>20000 viewers), the overestimated traffic is less than 15% of real happened traffic when using upper bound to estimate program traffic.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.10 no.2
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• pp.744-768
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• 2016

As various pieces of information can be provided through the web, schemes that provide search results optimized for individual users are required in consideration of user preference. Since the existing social search schemes use users' profiles, the accuracy of the search deteriorates. They also decrease the reliability of a search result because they do not consider a search time. Therefore, a new social search scheme that considers temporal information as well as popularities and user preferences is required. In this paper, we propose a new mobile social search scheme considering popularities and user preferences based on temporal information. Popularity is calculated by collecting the visiting records of users, while user preference is generated by the actual visiting information among the search results. In order to extract meaningful information from the search target objects that have multiple attributes, a skyline processing method is used, and rank is given to the search results by combining the user preference and the popularity with the skyline processing result. To show the superiority of the proposed scheme, we conduct performance evaluations of the existing scheme and the proposed scheme.

• Fashion & Textile Research Journal
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• v.11 no.1
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• pp.33-40
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• 2009

The purpose of this study was to examine the relationship of masstige clothing benefit seeking and brand loyalty. The data were collected from university students, 248 males and 262 females, living in Gyeong-ju, via a self-administered questionnaire. The data were analyzed by reliability analysis, factor analysis, Pearson's correlation, regression analysis, and t-test. The results of this study were as follows: 1) Four factors of the masstige clothing benefit seeking were identified; the rise of the social position and self-improvement, the popularity and durability, the desire for individuality and favorable impression, and the rare and precious value. Three factors of the brand loyalty were identified; the committed brand loyalty, the continued brand loyalty, and the symbolic brand loyalty. 2) The committed brand loyalty had a positive relation with two factors of masstige clothing benefit seeking, that is, the popularity and durability, the desire for individuality and favorable impression. The symbolic brand loyalty had a positive relation with the rise of the social position and self-improvement of masstige clothing benefit seeking. 3) There was sex difference on the desire for individuality and favorable impression, the popularity and durability of the masstige clothing benefit seeking. Also, there was sex difference on the committed brand loyalty.

• The Transactions of the Korea Information Processing Society
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• v.6 no.5
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• pp.1189-1202
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• 1999

As compared with VOD data, NOD article data has the following characteristics: it is created at any time, has a short life cycle, is selected as not one article but several articles by a user, and has high access locality in time. Because of these intrinsic features, user access patterns of NOD article data are different from those of VOD. Thus, building NOD system using the existing techniques of VOD system leads to poor performance. In this paper, we analysis the log file of a currently running electronic newspaper, show that the popularity distribution of NOD articles is different from Zipf distribution of VOD data, and suggest a new popularity model of NOD article data MS-Zipf(Multi-Selection Zipf) distribution and its approximate solution. Also we present a life cycle model of NOD article data, which shows changes of popularity over time. Using this life cycle model, we develop LLBF (Largest Life-cycle Based Frequency) prefetching algorithm and analysis he performance by simulation. The developed LLBF algorithm supports the similar level in hit-ratio to the other prefetching algorithms such as LRU(Least Recently Used) etc, while decreasing the number of data replacement in article prefetching and reducing the overhead of the prefetching in system performance. Using the accurate user access patterns of NOD article data, we could analysis correctly the performance of NOD server system and develop the efficient policies in the implementation of NOD server system.

• International Journal of Contents
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• v.9 no.3
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• pp.48-54
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• 2013

This paper explores J. R. R. Tolkien's fantasy novel, The Lord of the Rings Trilogy in order to analogize two primary sources which enabled the fantasy literature to be restored to its former popularity in 1930's-50's. First source is the cinematization of the original novel, based on the advanced digital technology, and second, the adaptation of Norse mythology to the original novel. The advanced digital technology rendered a distinguished contribution to the resurrection of the fantasy novel today. Peter Jackson, the director of the film trilogy, The Lord of the Rings Trilogy gained an un-heard popularity in the history of the fantasy movie. It was practicable with the advanced digital technology. Nevertheless, it could be realized only with the fact that J. R. R. Tolkien's original novel retains the excellence of plot. The episodes of the novel present the author's broad knowledge of Norse mythology and his attempts to employ it to the novel, The Lord of the Rings Trilogy. Through such two directions, this paper describes that the advanced digital technology and the quality of the original plot are two key elements to succeed in authoring and filming the fantasy literature.

• The Journal of the Convergence on Culture Technology
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• v.5 no.2
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• pp.201-206
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• 2019

The study aims to explore ways to advance into the Indonesian market, focusing on hallyu contents such as Korean dramas, music and movies. To this end, we have empirically explored the reasons why local people in Indonesia like Korean wave contents, its consumption channels, its popularity factors for Korean wave contents and its effectiveness. According to the research, the reasons for the popularity of Korean wave contents were confirmed by the quality of the contents itself and the human appeal of the contents. And the consumption path was mainly through television, and the favorable impression of Korean wave contents was found to have a positive effect on the positive feeling toward Korea and the willingness to visit Korea.

• Journal of the Korean Society of Food Culture
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• v.35 no.6
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• pp.524-537
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• 2020

This research was undertaken to examine Masan's regional food service industry, which experienced drastic changes due to liberation and the Korean war. Analysis of restaurant advertisements in 'Masanilbo' revealed a total of 92 restaurants during this period. The numbers of restaurants classified by the time periods are 18 (1946 to 1950), 27 (1951 to 1955), 17 (1956 to 1960), and 30 (1961 to 1966). 'Gomguk' gained popularity in the early 1900s and became a speciality of Masan, resulting in the appearance of numerous Gomguk restaurant advertisements. After independence, Japanese foods were predominant in Masan since the population was used to eating Japanese dishes during the colonial era. Moreover, there was a major influence of the people who returned to the homeland. Masan was the place for refugees during the 6.25 war, resulting in the popularity of 'Naengmyeon'; advertisements largely displayed 'Pyeongyangnaengmyeon' during the early 1950s, and 'Hamheungnaengmyeon' during the early 1960s. Western food advertisements usually introduced 'Dongaseu' and 'Kareraiseu', which were deeply influenced by Japanese culture. These various contributions resulted in alterations in the food menu, such as the rise of fusion food which is not bound to any nation, spread of Japanese food culture, and popularity of 'Naengmyeon'.

• The Journal of the Korea institute of electronic communication sciences
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• v.16 no.6
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• pp.1113-1120
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• 2021

Content Central Network (CCN) appeared to improve network efficiency by transforming IP-based network into content name-based network structures. Each router performs caching mechanism to improve network efficiency in the CCN. And the cache replacement policy applied to the CCN router is an important factor that determines the overall performance of the CCN. Therefore various studies has been done relating to cache replacement policy of the CCN. In this paper, we proposed a cache replacement policy that improves the limitations of the LFU policy. The proposal algorithm applies real-time producer popularity-based variables. And through experiments, we proved that the proposed policy shows a better cache hit ratio than existing policies.

• The Korean Journal of Food & Health Convergence
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• v.9 no.5
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• pp.7-11
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• 2023

Purpose: The purpose of this study is to analyze current trends in the Korean ice cream industry and determine how these trends affect the competitiveness of each ice cream company. Method: This study was conducted by reviewing existing related literature and collecting and analyzing data from news articles, corporate reports, and existing researchers' studies related to the ice cream industry. Results: The Korean ice cream industry is growing and developing through the collaboration of fun marketing with taste, quality, and fun elements, and the young MZ generation can be said to be the main customer base. In terms of quality, premium ice cream made with high-quality domestic ingredients has recently been gaining popularity, and ice cream with reduced fat and sugar, such as plant-based substitutes, is also gaining popularity among consumers. Conclusions and Implications: The results of this study highlight the need for continued innovation in the Korean ice cream industry. The industry must also capitalize on the growth of online sales and the global appeal of Korean pop culture. Sustainability efforts, technology adoption, and strategic collaboration are key drivers for future industry success, and social media engagement must be integrated into marketing strategies to increase brand awareness and consumer loyalty.

• Journal of Digital Convergence
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• v.20 no.1
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• pp.213-220
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• 2022

The purpose of this study is to investigate the relationship between the characteristics of using new words, ability to use new words, and peer popularity among students with mild intellectual disabilities and general students of the age-matched group. A total of 8 students, 4 students with mild intellectual disabilities aged 14 to 16 years of age and 4 normal students in the age-matched group, were compared between groups using a nonparametric test. In the case of new words, 60 new words were selected through expert content validity among 301 new words, and then recognition and background information on the 60 new words were collected. As a result of the study, first, there was a significant difference in understanding of new words between the student group with mild intellectual disability and the general student group of the same age. Second, the correlation between the use of new words and the popularity of peers was compared for each group of students with mild intellectual disabilities and a group of general students of the same age as possible. Therefore, when providing vocabulary instruction for students with mild intellectual disabilities, it suggests that it is necessary to teach new vocabulary in order to increase their relationship with their peers and their popularity.