• Journal of Digital Contents Society
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• v.7 no.4
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• pp.227-234
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• 2006

While most of the real estate information provided on the web is simply based on the information of the properties like addresses, locations, prices etc, this paper suggests methodologies for the development of a total information system of real estate which can provide, in an one-stop mode, value-added real estate information contents. The total information system of real estate designed in this paper includes a geological information system using a GIS, a property information system using photos and videos, a systemized legal consulting system, a web call center where customers can communicate with real estate experties on the web and lastly marketing analyses system using credit card data.

• 정보화사회
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• s.4
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• pp.17-38
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• 1988

부가가치통신망(VAN)에 대한 관심이 고조되고 있다. 컴퓨터를 본격 생산하고 정보산업을 육성하기 시작한지 불과 수년 내에 정보통신의 첨단기술이 실현되고 있는 것이다.어느 사이 우리 나라의 정보통신이 고도화의 길을 가고 있음을 느낄 수 있게 한다.그러나 초기 도입단계에 불과한 만큼 개념정립마저도 아직은 확고하지 못한 것이 우리 VAN의 위상이라 할 수 있다. 국내 VAN의 분야별 실태를 점검하고 아울러 바람직한 발전방향을 찾아본다.

• Journal of the Korea Society of Computer and Information
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• v.12 no.3
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• pp.195-201
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• 2007

ARecent advances of network technologies and internet infrastructures construct a fast and useful information-oriented society. However, these nay infringe on privacy and expose sensitive information such as user id, secret number and credit card number. Therefore, we need countermeasures for solving these problems. In this paper we try to hack personal information using Google and domestic search engines, Naver and Empas. After analyze the result, we suggest solutions to prevent personal information hacking based on these search engines.

• The KIPS Transactions:PartB
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• v.16B no.4
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• pp.309-318
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• 2009

The researches on the system that automatically records and retrieves one's everyday life is relatively actively worked recently. These systems, called personal memex or life log, usually entail dedicated devices such as SenseCam in MyLifeBits project. This research paid attention to the digital devices such as mobile phones, credit cards, and digital camera that people use everyday. The system enables a person to store everyday life systematically that are saved in the devices or the deviced-related web pages (e.g., phone records in the cellular phone company) and to refer this quickly later. The data collection agent in the proposed system, called MyMemex, collects the personal life log "web data" using the web services that the web sites provide and stores the web data into the server. The "file data" stored in the off-line digital devices are also loaded into the server. Each of the file data or web data is viewed as a memex event that can be described by 4W1H form. The different types of data in different services are transformed into the memex event data in 4W1H form. The memex event ontology is used in this transform. Users can sign in to the web server of this service to view their life logs in the chronological manner. Users can also search the life logs using keywords. Moreover, the life logs can be viewed as a diary or story style by converting the memex events to sentences. The related memex events are grouped to be displayed as an "episode" by a heuristic identification method. A result with high accuracy has been obtained by the experiment for the episode identification using the real life log data of one of the authors.