• 제목/요약/키워드: Trend Ranking

검색결과 64건 처리시간 0.027초

자동 트렌드 탐지를 위한 속성의 정의 및 트렌드 순위 결정 방법 (Trend Properties and a Ranking Method for Automatic Trend Analysis)

  • 오흥선;최윤정;신욱현;정윤재;맹성현
    • 한국정보과학회논문지:소프트웨어및응용
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    • 제36권3호
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    • pp.236-243
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    • 2009
  • 특허, 뉴스, 블로그와 같이 시간 정보가 있는 문서들로부터의 자동적인 트렌드 분석(trend analysis)은 토픽탐지 및 추적 기술(TDT: Topic Detection and Tracking)과 더불어 중요한 연구 분야로 대두되고 있다. 과거 연구들은 대부분 트렌드과 관련된 단어의 출현 빈도 정보를 이용하여 주어진 개념의 중요도를 측정하고 이 개념의 시간에 따른 트렌드 라인을 보여주는 것에 초점을 맞췄다. 신출 트렌드 (emerging trend)를 탐지하기 위해서는 주어진 개념의 출현 빈도수 변화와 같은 간단한 방법이나 학습 데이타와 비교하여 차이를 탐지하여 제시하는 방법이 사용되었다. 그러나 여러 트렌드 중에서 특징적인 트렌드를 찾아서 사용자에게 제공하기 위해서는 트렌드 순위 결정 함수가 필요하다. 본 논문은 트렌드의 다양한 측면을 정량화하기 위하여 출현 빈도로 구성된 트렌드 곡선으로부터 네 가지 속성 (변동성, 지속성, 안정성, 누적량) 을 정의하고 이를 활용한 트렌드 순위 결정 방법을 제안한다. 일련의 실험을 통하여 각 속성의 유용성을 검증하고 속성들의 조합이 순위 결정에 어떤 영향을 미치는지 분석하였다. 실험결과로부터 네 가지 속성을 모두 조합할 경우 특징적인 트렌드 탐지에 더욱 기여하는 것을 알 수 있다.

AN EFFICIENT DENSITY BASED ANT COLONY APPROACH ON WEB DOCUMENT CLUSTERING

  • M. REKA
    • Journal of applied mathematics & informatics
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    • 제41권6호
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    • pp.1327-1339
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    • 2023
  • World Wide Web (WWW) use has been increasing recently due to users needing more information. Lately, there has been a growing trend in the document information available to end users through the internet. The web's document search process is essential to find relevant documents for user queries.As the number of general web pages increases, it becomes increasingly challenging for users to find records that are appropriate to their interests. However, using existing Document Information Retrieval (DIR) approaches is time-consuming for large document collections. To alleviate the problem, this novel presents Spatial Clustering Ranking Pattern (SCRP) based Density Ant Colony Information Retrieval (DACIR) for user queries based DIR. The proposed first stage is the Term Frequency Weight (TFW) technique to identify the query weightage-based frequency. Based on the weight score, they are grouped and ranked using the proposed Spatial Clustering Ranking Pattern (SCRP) technique. Finally, based on ranking, select the most relevant information retrieves the document using DACIR algorithm.The proposed method outperforms traditional information retrieval methods regarding the quality of returned objects while performing significantly better in run time.

트렌드 지수를 반영한 블로그 랭킹 알고리즘 (The Blog Ranking Algorithm Reflecting Trend Index)

  • 이용석;김형중
    • 디지털콘텐츠학회 논문지
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    • 제18권3호
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    • pp.551-558
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    • 2017
  • 블로그의 성장은 다양한 정보제공이라는 긍정적 측면과 마케팅적 활용이라는 부정적 수단으로 사용되고 있는 문제를 가지고 있다. 본 연구는 대형 포털의 블로그 포스트의 랭킹 결과를 OpenAPI를 이용하여 수집하였고, 탐색적 데이터 분석기법을 통해서 상위 랭크된 블로그의 특징들을 조사하였다. 분석 결과를 보면 상위 랭크에 영향을 주는 요소로는 블로거의 영향력과 포스트의 최근 생성일에 관련성이 높은 것을 알 수 있었다. 이런 평가 알고리즘의 약점으로 인해 파워 블로거의 포스트 중심으로 검색 결과를 편중되게 보여주는 문제가 있었다. 본 연구에서는 다양한 대중의 관심사를 나타내는 트렌드 지수를 통해 랭킹 점수 적용의 공정성을 확보하고, 전문가에 의해 검증된 신뢰 DB정보를 추가하여 컨텐츠 신뢰성을 높이는 알고리즘을 제안하였다. 개선된 알고리즘을 맛집 검색 결과가 실제 지역 학생들의 추천 맛집정보와의 유사도가 높은 것을 확인하였다. 개선된 알고리즘으로 좀 더 신뢰할 수 있는 정보제공이 가능해 졌으며, 방문자수 증가시키는 불법 앱에 의한 순위 조작이 어려워지는 부가적 개선 효과가 기대된다.

최근 아파트 주거환경 디자인 경향 분석연구 (A Study on the Trend of Housing Environment Design of Recent Apartments)

  • 원미숙;이윤정;정준현
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2005년도 추계학술대회 논문집
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    • pp.139-142
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    • 2005
  • This study aimed not only to analyze the trend of housing environment design through the advertisements for sale of apartments to be completed after 2006 but also to discuss the future trend of housing environment on the basis of the results of analysis. Building companies used to collect data were limited to those that ranked within the 30th place in the Construction Association of Korea's Contract Ranking from 2001 to 2004. The contens of advertisements appeared on their websites were used. The contents analyzed were also limited to 1) concept and method of design and 2) main advanced systems.

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중국 연변지역 조선족 대학생의 의복 구매 동기 (Purchase Motivation for Garment of Korean-Chinese College Students in Yanbian, China)

  • 김순심
    • 한국지역사회생활과학회지
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    • 제15권3호
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    • pp.167-177
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    • 2004
  • This study is designed to understand purchase motivation for garment depending on demographic factors among college students in Yanbian, China. Questionnaire was used for measurement tools to study the subject of the thesis. The main study was conducted against 450 college students from May 17 to June 5, 2001. The data for the study were analyzed using SAS PC program for frequency distribution, percentage, t -test, and one way ANOVA. The purchase motivation for garment are affected by demographic factors such as gender, average monthly household income, monthly expense for clothing. The result was showed as follows: A meaningful difference showed in 3 areas 'to try a new trend, impulsive buying at the store display, discount advertising' depending on the gender in terms of purchase motivations, and in all the three areas, male students showed a higher ranking. But in other motivation areas, no difference was noticed in terms of gender. In terms of purchase motivation based on monthly income, only one area 'impulse buying from a store display' showed a meaningful difference. Respondents with an average monthly household income above 2,000 yuan showed a higher tendency of 'impulse buying' compared to those with below 500 yuan or those with between 500-2,000yuan. Those with the average monthly household income below 500 yuan showed the lowest ranking in the impulse buying. In other areas of purchase motivation, average monthly household income was not an important element. A meaningful difference showed in 4 areas, 'to try a new trend, impulse buying from a store display, discount advertising', and 'for a change of mood' in the product motivation based on expense on clothing. Respondents with an average monthly expense for clothing above 100 yuan showed a higher ranking in all 4 areas than those with less than 100 yuan. In other areas, the average monthly clothing expense didn't give any impact.

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중국 게임 순위 및 동향 (Game Ranking and Trend in China)

  • 단효운;전진선;김수균;김석훈;정진영;안우영
    • 한국컴퓨터정보학회:학술대회논문집
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    • 한국컴퓨터정보학회 2014년도 제49차 동계학술대회논문집 22권1호
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    • pp.335-336
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    • 2014
  • 중국의 게임 시장은 매우 높은 성장률을 기록하며, 성장하고 있다. 우리나라의 게임 업체들은 중국 수출을 통해 높은 수익을 얻고, 높은 경쟁력을 유지하고 있다. 특히 중국 온라인 게임 시장의 2011년 성장률은 클라이언트용 19.5%, 브라우저 게임 76.6%, 모바일 게임 성장 41.8%을 기록하고 있다. 본 논문은 중국에서 급성장하고 있는 모바일 게임 및 PC게임 시장 동향에 대해 분석한 것에 대해 설명한다.

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한국의 주요도시지점 기준강수량 초과 강수의 최근 증가경향 분석 (The Recent Increasing Trends of Exceedance Rainfall Thresholds over the Korean Major Cities)

  • 윤선권;문영일
    • 대한토목학회논문집
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    • 제34권1호
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    • pp.117-133
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    • 2014
  • 본 연구에서는 전국의 8개 주요 도시지점 강우관측 자료를 대상으로 다양한 분류 기준을 적용하여 Quantile Regression (QR)에 의한 기준강수량 초과 강우의 선형추세분석과 Mann-Kendall, Sen 검정을 실시하였다. 분석결과 봄철과 여름철 강수의 뚜렷한 증가경향이 있으며, 가을철과 겨울철 강수는 감소하는 경향이 있음을 확인하였고, 폭우 사상은 최근 30년 평균 3.1~15% 증가 하였다. 또한, 연도별 발생강우의 Ranking에 따른 Top $10^{th}$ 백분위 강수의 3IQR (inter quartile range)의 최근증가경향을 분석한 결과, 대부분 지점에서 강수의 증가경향을 확인하였으며, Quantile 90%의 평균 백분위 강수량은 43.5mm, 증가경향은 0.1412mm/yr, Quantile 99%의 평균 백분위 강수량은 68.0mm, 증가경향은 0.1314mm/yr로 분석되었다. 본 연구의 결과는 매년 발생한 연최대치계열에 대한 분석뿐만 아니라 기준값 이상의 수문 사상정보에 대한 반영과 최근 변화하는 기후의 증가경향을 반영한 수공구조물 설계의 기초자료로 활용이 가능할 것으로 사료된다.

건강보험 연구동향에 대한 키워드 네트워크 분석 (A Keyword Network Analysis on Research Trends in the Area of Health Insurance)

  • 이수정;이선희
    • 보건행정학회지
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    • 제31권3호
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    • pp.335-343
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    • 2021
  • Background: The purpose of this study was to extract the major areas of interest in health insurance research in Korea, and infer policy agendas related to health insurance by analyzing research keywords. Methods: For this study, 2,590 articles were selected from among 7,459 academic papers related to health insurance published between January 1987 and December 2018, which were looked up using the Research Information Sharing Service (RISS). Keyword extraction and keyword network analysis were performed using the KrKwic, KrTitle, and UCINET software. Results: First, the number of studies in the area of health insurance continued to increase in all government terms, and it was not until after the 2000s that the subjects of health insurance researches were diversified. Second, degree centrality showed that 'medical expenditure' and 'medical utilization' were consistently high-ranking keywords regardless of the government in power. Aging and long-term care insurance-related keywords were ranked higher in the Lee Myung-bak government, Park Geun-hye government, and Moon Jae-in government. Third, betweenness centrality showed the same high ranking in key topics such as medical expenditure and medical utilization, while the ranking of key keywords differed depending on the interests and characteristics of each government policy. Conclusion: We confirm that health insurance as a research topic has been the main theme in Korean health care research fields. Research keywords extracted from articles also corresponded to the main health policies promoted during each government period. Efforts to systematically investigate policy megatrends are needed to plan adaptive future policies.

소비자 활동 지표를 통한 국내외 스포츠, SPA 패션 브랜드의 페이스북 활용 사례연구 (Case Study of Using Facebook of Each Type of Internal and External Sports and SPA Fashion Brands)

  • 김상아;이승희
    • 한국의류학회지
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    • 제39권3호
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    • pp.337-352
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    • 2015
  • This study selected a case study method conforming to qualitative research in order to analyzed how each type of fashion enterprises uses SNS in-side of fashion marketing based on content the researcher monitored and selected from the Facebook website for each enterprise. The standard to select fashion brands in this study is a graded list made based on ranking 5 analysis sites on social media (Socialbakers, socialDigm, Pulse K, BigFoot9, L2). The researcher sorted and then analyzed 2 brands that have many fan joiners and followers among fashion brands that were ranked top of the graded list, work in Facebook animatedly, and had representativeness in each type (SPA, Sports Brands). The study was conducted from January 2013 to March 2013, and the index of Facebook consisted of 3 kinds of elements (comment, like, and share). Each numerical value was counted to decide the monthly ranking. Content analysis was divided into public relations about brand, public relations about products, and customer participation and activities; consequently, the researcher investigated which content was post conforming to the ranking. The study analyzed the analysis results of each brand derived through the method of study compared to other brands. The results are as follows. In case of SPA brands, the category accounting for high rank in index analysis are public relation events to attract customer attention and products and offering information. The results of the monthly trend about whole post category were also similarly analyzed so the promotion goal that the brand wants to seek in priority coincides with the customer compliance rate. Next, in the case of sports brand, public relations for products offering information, event for arousing customer concern, and participation activities accounted for a high rank in the index analysis and posted the most in the analysis of the monthly trend for whole post category. The researcher came to understand that the direction of content for brands shown through Facebook coincides with customer sympathy.

의료기기산업의 수출경쟁력 분석 및 강화방안 -강원지역 의료기기산업을 중심으로- (The Analysis and Strengthening Method of Export Competitive Power of Medical Device Industry - With Respect to Medical Device Industry in Gangwon Area)

  • 이강빈
    • 무역상무연구
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    • 제45권
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    • pp.191-238
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    • 2010
  • The purpose of this paper is to make research on the trend of the worldwide medical device market, the trend of the medical device market in the major foreign countries, the present status of the medical device industry in Korea and Gangwon area, the present status of export competitive power and the SWOT analysis of competitive power of the medical device industry in Gangwon area, and the strengthening methods of export competitive power of the medical device industry in Gangwon area. As the research method, the questionaire for the strengthening of export competitive power of the medical device industry in Gangwon area was carried out from August 13 to Otober 22, 2009. The worldwide medical device market in 2008 is estimated at USD 210.2 billion, with the United States being the largest market, followed closely by Japan and Western Europe. In 2006, the worldwide export amount of medical devices recorded USD 121.1 billion and the worldwide import amount of medical devices recorded USD 126.3 billion. As of the end of 2008, the number of Korea's medical device manufacturers expanded to 1,726. The production amount of Korea's medical device industry in 2008 recorded 2,525 billion won, and the domestic market volume of medical devices in 2008 recorded 3,618 billion won. Korea's export amount of medical devices in 2008 recorded USD 1,132 million and recorded a 9.67% growth compared to the previous year, and the import amount of medical devices recorded USD 2,123 million and recorded a 1.43% reduction compared to the previous year. As of the end of 2008, the number of Gangwon area's medical device manufacturers expanded to 81. The production amount of Gangwon area's medical industry in 2008 recorded 380 billion won, and Gangwon area's export amount of medical devices recorded USD 269 million and recorded a 0.25% reduction compared to the previous year, and the import amount of medical devices recorded USD 3 million and recorded a 39.63% reduction compared to the previous year. According to the result analysis of the questionaire for the strengthening of export competitive power of medical device industry in Gangwon area(August 13~October 22, 2009), the competing country of the export medical device is the United States being the highest ranking. Comparing to the collective competitive power level 100 of the competing country, the collective competitive level of the export medical device is 60 below and 70-80 below being the highest ranking. Comparing to the quality level 100 of the United States, EU and Japan, the quality level of the export medical device is 80-90 below being the highest ranking. Comparing to the design level 100 of the United States, EU and Japan, the design level of the export medical device is 90-100 below being the highest ranking. Comparing to the technology level 100 of the United States, EU and Japan, the technology level of the export medical device is 80-90 below being the highest ranking. According to the SWOT analysis of competitive power of medical device industry in Gangwon area, the strength is the abundant expert manpower of the medical device in Wonju area. The weakness is the fragility of the brand recognition of the medical device industry. The opportunity is the demand increase of the new medical device owing to the advanced age of population. The threat is the difficulty of entry into overseas market owing to the request of the new specification certification of the medical device. In order to strengthen the export competitive power of the medical device industry in Gangwon area, the following measures should be taken by the government, local self-government body, related organization and medical device industry : the development of new technology and design, the enhancement of brand recognition. the acquisition of the foreign specification certification, the building of overseas distribution channel and after sales service channel, the positive participation in overseas medical device exhibition and opening of medical device exhibition, the training of expert manpower, the strengthening of overseas marketing, and the application of FTA and the establishment of counter measures against FTA. In conclusion, the medical device industry in Gangwon area has the difficulty in the entry into the overseas market owing to the shortage of overseas marketing capability. Therefore, the government and local self-government body should make the intensive and systematical support for overseas marketing of the medical device industry. For the support of overseas marketing, the government and local self-government body should provide positively the support of expenses for the acquisition of foreign specification certification, the support of participation in the overseas medical device exhibition, the despatch of market development mission, the increase of the support amount for R&D investment fund, and the training of expert manpower of medical devices.

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