• 제목/요약/키워드: Automatic bidding

검색결과 7건 처리시간 0.033초

자동 입찰정책 스켈줄링을 이용한 인터넷 경매 에이전트 시스템 설계 및 구현 (Design and Implementation of an Internet Auction Agent System using Scheduling for Auto-bidding Policy)

  • 이종희;김태석;이근왕;오해석
    • 한국정보처리학회논문지
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    • 제7권5S호
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    • pp.1620-1628
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    • 2000
  • Existing internet auction systems have adopted the form which gives a win to the auction bidder who proposes the top bid price for the goods posted on the auction board. But they haven't been satisfying the automatical one-step processing for user's convenience because they must require continuous care of user for bidding and checking as well as neglecting the convenience of user interface while participating in the electronic bidding system. The AuctionBot system of Michigan Univ. is known as the representative internet auction system. It has merit allowing the various kids of bidding. But it does not support automatic a process which can replaces what user has to do using an agent. To improve this kind of user interface, we propose an automatic bidding price strategy algorithm which composes the auction system using agent and design for auto-bidding system using agent so that I can replace user's bidding activity. This mechanism gives an auction system the efficient bidding price strategy.

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제지공장건설 수주를 위한 견적 의사결정지원시스템에 관한 연구 (A Study on the Estimate DSS for Bidding and Negotiation in the Paper Plant Construction Engineering)

  • 이규식;성기호;이성용
    • 한국경영과학회:학술대회논문집
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    • 한국경영과학회/대한산업공학회 1999년도 춘계공동학술대회:정보화시대의 지식경영
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    • pp.209-210
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    • 1999
  • In the case of paper plant engineering company, one of the most important critical problems is to accurately estimate the cost and the delivery time of the project. This is necessary for the company to win a bidding and to have some room for negotiation. Moreover, the company needs to have time to process all the relevant informations to make timely response to, and deal with the changing conditions of the bidding environments as quickly as possible. One of the popular methodology dealing with this kind of situation is an effective "decision support system," and may researches are currently been done on this subject. In this article, and effective decision support system is developed which can provide automatic delivery time and cost estimates from which plant engineering company may be benefited.

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제품의 적정가격에 대한 정보를 활용한 제품 경매사이트 (A product auction site that utilizes information on the appropriate price of a product)

  • 장은겸;김현희;이기라;서동권
    • 한국컴퓨터정보학회:학술대회논문집
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    • 한국컴퓨터정보학회 2022년도 제66차 하계학술대회논문집 30권2호
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    • pp.445-446
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    • 2022
  • 본 논문은 시세정보를 활용한 적정한 가격으로 경매를 할 수 있는 전자상거래를 연구하였다. 일반적인 전자상거래는 물건의 적정한 가격 정보 없이 등록 및 구매가 진행된다. 하지만 본 연구는 시세 조회를 이용한 가격 비교를 통해 거래가 적합한 금액에 이루어지는지 확인할 수 있도록 가격정보를 제공한다. 경매 시스템은 일반적인 경매방식인 최저가에서 시작해 점점 가격을 올려 최후의 구매자에게 판매하는 영국식 경매와 가장 높은 금액을 제시한 순서대로 구매자들의 순위가 정해지며 1순위가 2순위의 금액에 입찰 단위 금액을 포함해 구매하는 비딩 경매를 함께 사용한다. 또한, 시간이 부족하거나 경매가 어려운 사용자들을 위해 자신이 지불할 수 있는 최고가를 설정하면 시스템이 스스로 입찰을 해주는 예약 입찰을 추가해 사용자들에게 편리함을 제공한다.

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수력발전소 자동제어설비의 현대화 (The Modernization of Automatic Control facilities of Hydro Power Plant)

  • 권오극;권영준;송영철
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2008년도 제39회 하계학술대회
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    • pp.69-70
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    • 2008
  • Automatic control systems(AVR, Governor, Synchronizer) installed $1970{\sim}1980$ in K-water were considered to be rehabilitated around 2000. Moreover, Korea Power Exchange market system was changed from PPA (Power Purchase Agreement) to a bidding system. Therefore, depending on the power quality, the power provider could achieve additional profits. It is the excitation system and governor that have the functions of enhancing power necessities. During the 20 to 30 years of generator operation, there were many major and minor problems. Examples are SCR burnout (Andong: Excitation system), hunting (Imha: governor), field circuit breaker failure (Chungju 1st: excitation system), the rise of leakage current (Chungju 2nd: excitation system), power supply burnout (Chungju 2nd: governor). These are the typical examples of malfunction which hindered the generator operation and, consequently, diminished the profit of power business. In order to satisfy the needs of the power market and prevent malfunctions mentioned above, the rehabilitation of AVRs and governors were executed. A new system was made to have the flexibility of ancillary service (GF, AGC, etc.), PSS function. With user friendly HMI software, it is more convenient for the operator to fulfill suitable maintenance. It was possible to connect SCADA system by opening protocol of AVR, governor for the efficiency of operation and maintenance.

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공동 구매 시스템에서의 낙찰 예정가 및 입찰가 자동 생성 (Automatic Generation of Reserve Prices and Bid Prices for a Group Buying System)

  • 김신우;고민정;박성은;이용규
    • 한국전자거래학회지
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    • 제7권2호
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    • pp.55-68
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    • 2002
  • Internet group buying systems have been widely used recently. In those systems, because the reserve price is provided by the buyer, the success rate can be decreased if the reserve price is set too low compared with the normal price. Otherwise, an unsuitable successful bid can be made if the reserve price is set too high based on inaccurate information. Likewise, the seller's providing too high a bid price can deteriorate his/her own successful bid rate, whereas a successful bid with too low a price may make no profit in the sale. Therefore, pricing agents that recommend adequate prices based on the past buying and selling history data can be helpful. In this paper, we propose two kinds of agents. One suggests reserve prices to buyers based on the past buying history database of the system. The other recommends bid prices to a seller based on the past bidding history data of the company using the cost accounting theory. Through performance experiments, we show that the successful bid rate can increase by preventing buyers from making unreasonable reserve prices. Also, we show that, for the seller, the rate of successful bids with appropriate profits can increase. Using the pricing agents, we design and implement an XML-based group buying system.

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전기설계.감리제도의 합리적인 운영방안에 관한 고찰 (Domestic current situation and Improvement plan Consideration of Electricity Design & Supervision System)

  • 정연해;남기범;신화영;정형용;이종혁;전영수
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 춘계학술대회 논문집 전기설비전문위원
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    • pp.10-15
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    • 2007
  • For the introduction of the electricity of the special design and supervision system to Protect the faulty-workmanship of the electricity equipment and to reserve the electricity safety, last 1995 "Electricity Technology Management Act" were carried out enactment. March 2002, we introduced the pre-Qualification system that is selected the competent company about the electricity design and supervision service over so much capacity which is ordered by the Public institution such as the nation, local autonomous entity, government investment institute and so on. December 2005, the electricity equipment over so much capacity was taken the housing construction plan's approval by the housing act in case, the municipal or district governor with the authority to approve who selected the electricity supervision company according to the pre-Qualification system. Due to the introduction of the system, we could expect the rights and interests increase of the consumer by eradicating dumping of the close relationship between supervision company and the builder, reduction and concurrent position of the supervisor, according to confirm the quality of the electricity equipment and electricity safety. In spite of introducing of the system, the problems occured as reducing the electricity designer's task range compared with different field, modifing the supervisor's rank system rationally, because of researching about the electricity design and supervision technique lacks. Also, KEEA(Korea Electric Engineers Association) manage the caller of the electricity design and supervisor(company or people), but the problems occured as opening to the public about the curler management, introducing automatic bidding system and We need the solution plan about this. Consequently, we consider the present situation of the domestic and outside and problem about the electricity design and supervision system in this paper, try to present rational operation plan through this.

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슬래브 철근 물량 산출 자동화 알고리즘 개발 (Development of an Algorithm for Automatic Quantity Take-off of Slab Rebar)

  • 김수환;김선국;서상욱;김상철
    • 한국건설관리학회논문집
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    • 제24권5호
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    • pp.52-62
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    • 2023
  • 본 연구의 목적은 정착 길이, 표준 후크 및 이음 길이와 같은 관련 규정을 준수하면서 슬래브 철근의 정확한 절단 길이를 산출하는 자동화된 알고리즘을 제안하는 것이다. 제안된 알고리즘은 일반적으로 외주를 통해 수작업으로 진행하던 기존 철근 물량 산출 프로세스를 개선하는 것을 목표로 한다. 입찰 단계부터 정확한 철근 수량 데이터를 BBS(Bar Bending Schedule) 수준으로 제공함으로써 물량 산출의 불확실성을 제거하고 외부 의존도를 낮출 수 있다. 또한, 알고리즘을 통해 정확한 물량을 조기에 산출하는 경우 건설사는 경쟁력 있고 최적화된 입찰을 미리 준비할 수 있어 계약 협상 시 이익률을 높일 수 있다. 제안된 알고리즘은 견적, 예산, BBS 생성 등 다양한 프로세스에서 중복되는 업무를 간소화할 뿐만 아니라 계약 후 구조 도면 변경에도 유연하게 대처할 수 있다. 특히, 제안된 알고리즘을 BIM과 결합하는 경우 시공 초기 단계에서 BIM을 적용할 때 발생하는 기술적 문제를 해결할 수 있으며, REVIT 기반 패밀리 파일로 구축된 알고리즘의 수식과 형상 코드는 실무에서 상당한 시간과 인력 절감에 기여한다.