• 제목/요약/키워드: Inconsistencies

검색결과 219건 처리시간 0.028초

A Regularity-Based Preprocessing Method for Collaborative Recommender Systems

  • Toledo, Raciel Yera;Mota, Yaile Caballero;Borroto, Milton Garcia
    • Journal of Information Processing Systems
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    • 제9권3호
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    • pp.435-460
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    • 2013
  • Recommender systems are popular applications that help users to identify items that they could be interested in. A recent research area on recommender systems focuses on detecting several kinds of inconsistencies associated with the user preferences. However, the majority of previous works in this direction just process anomalies that are intentionally introduced by users. In contrast, this paper is centered on finding the way to remove non-malicious anomalies, specifically in collaborative filtering systems. A review of the state-of-the-art in this field shows that no previous work has been carried out for recommendation systems and general data mining scenarios, to exactly perform this preprocessing task. More specifically, in this paper we propose a method that is based on the extraction of knowledge from the dataset in the form of rating regularities (similar to frequent patterns), and their use in order to remove anomalous preferences provided by users. Experiments show that the application of the procedure as a preprocessing step improves the performance of a data-mining task associated with the recommendation and also effectively detects the anomalous preferences.

사회적 지위 불일치 유형에 따른 의복 선택 기준 연구 (A Study on Clothing Selection Criteria as Related to Status Inconsistency)

  • 조인경;이은영
    • 한국의류학회지
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    • 제17권1호
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    • pp.11-18
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    • 1993
  • The purposes of this study were to identify the most explainable socioeconomic variables influencing clothing selection criteria, and to explore the difference in the clothing seletion criteria among the groups with status inconsistencies. A questionnaire was developed to collect data for clothing selection criteria, and socioeconomic status. Socioeconomic status was measured by education and occupation of husband and wife, and family income. Status inconsistency was defined by the inconsistencies among education, income and occupation. Data were obtained from 369 housewives living in Seoul area. The results of this study were as follows: 1) The education of housewives was the most important variable influencing clothing selection criteria. 2) When the subjects were divided into three groups according to their status inconsistency group, there were partially significant differneces among groups in clothing selection criteria. The "overprivileged" status group attached more importance to the fashionability and psychological dependence than the other status group. The "underprivileged" status group attached more importance to the practicality and ecnomy than the other status group. And when the subject were divided into three groups according to their social mobility, there were sgnificant differences among groups in clothing selection criteria.

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이야기의 중요성 판단에 미치는 정보의 비일관성 효과 (The Effect of Inconsistency on the Judgment of Importance in Story Comprehension)

  • 김태련;방희정;최경숙;조혜자
    • 아동학회지
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    • 제12권2호
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    • pp.111-129
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    • 1991
  • The present study investigated how the inconsistency between episodes in a story affects judgment of the importance of a sentence. In experiment I, 120 college students read 4 stories containing 3 episodes and judged each of the sentences, one after another. The results of the importance rating showed that adult subjects were sensitive to inconsistency between episodes. The analysis of episodes revealed a significant difference between episodes in all of the 4 stories, with lowest importance ratings given to the inconsistent episodes. In experiment II, 220 children were sampled from a private school of middle S.E.S.Status. 2nd-, 4th- and 6th- graders read 2 stories, and judged the importance of the sentences. It was found that children were less sensitive to inconsistencies in a story than adults. Younger children had more difficulty in the integration of inconsistent information. Especially in the 2nd episode, the importance rating was affected by grade [F(2,2627)=195.52, p<.01], suggesting that 6th graders were more sensitive to inconsistencies than the younger children. In contrast to adults, 2nd graders gave high importance ratings to inconsistent sentences as well as to consistent sentences.

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Inconsistency in the Average Hydraulic Models Used in Nuclear Reactor Design and Safety Analysis

  • Park, Jee-Won;Roh, Gyu-Hong;Park, Hangbok
    • 한국원자력학회:학술대회논문집
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    • 한국원자력학회 1997년도 추계학술발표회논문집(1)
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    • pp.599-604
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    • 1997
  • One of important inconsistencies in the six-equation model predictions has been found to be the force experienced by a single bubble placed in a convergent stream of liquid. Various sets of governing equations yield different amount of forces to hold the bubble stationary in a convergent nozzle. By using the first order potential flow theory, it is found that the six-equation model can not be used to estimate the force experienced by a deformed bubble. The theoretical value of the particle stress of a bubble in a convergent nozzle flow has been found to be a function of the Weber number when bubble distortion is allowed. This force has been calculated by using different sets of governing equations and compared with the theoretical value. It is suggested in this study that the bubble size distribution function can be used to remove the presented inconsistency by relating the interfacial variables with different moments of the bubble size distribution function. This study also shows that the inconsistencies in the thermal-hydraulic governing equation can be removed by mechanistic modeling of the phasic interface.

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A Study on Documentary Letter of Credit Transaction based on Import & Export Procedure

  • LEE, Jae-Sung
    • 동아시아경상학회지
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    • 제9권3호
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    • pp.15-28
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    • 2021
  • Purpose -In the credit transaction, the issuing bank must examine the documents to pay the credit amount. In order to smoothly execute the credit transaction, document review is a key element, so the 5th revised credit unification rule specifically defines the document review procedure. Research design, data, and methodology - The document review procedure specified in the UCP Rules can be largely divided into the document review period and the rejection procedure for inconsistent documents. First of all, confusion was caused by the ambiguous regulation.. Result - With regard to the document review period, in the actual credit transaction, the issuing bank often negotiates with the issuing client about the waiver of the document inconsistency. Next, in the process of notifying the rejection of inconsistent documents, the issuing bank shall send the rejection notice. Conclusion - This study suggests that the requirement to list all inconsistencies makes it impossible for the issuing bank to further notify the refusal, thereby limiting the right to defend against inconsistencies not listed in the first refusal notice and consequently having the effect of matching them. In addition, the issuing bank's rejection notice is closely related to the beneficiary's exercise of the right to replenish documents.

生絲纖度檢査規定에 關한 考察 (A Distcussion on the Size Deviation Test of Raw Silk)

  • 최진협
    • 한국잠사곤충학회지
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    • 제25권1호
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    • pp.44-50
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    • 1983
  • 現 生絲檢査規則 中 纖度偏差檢査項目에 관하여 檢討한 結果 약간의 矛盾點을 發見하였으므로 이를 지적하고 그 改善策을 設定하였다. 1. 現 纖度偏差檢査는 平均纖度가 50~69 denier에 標準偏差는 5.80以下, 4.61 以上일 때 A格으로 定하고 있으나 平均纖度 50 denier인 경우의 標準偏差 5.80과 平均纖度 69 denier인 경우의 標準差 5.80과는 同一分布라 할 수 없다. 2. C.V로 換算하여 볼 때 2A格의 C.V가 A格의 C.V보다 작아야 하는데 現 纖度檢査規定은 70denier 의 1A格의 C.V換算値는 9.00이며, 69denier의 A格의 C.V換算値는 8.41로서의 70denier 2A格이 69denier의 A格보다 變異의 分散이 크게 나타나는 矛盾點을 보였다. 3. 生絲의 纖度偏差檢査數値도 平均値가 다른 Sample끼리의 優劣을 나타내는 數値이며 이 數値로서 等級을 決定하기 때문에 標準偏差에 의하여 檢査할 것이 아니라 C. V에 의하여 檢査하여야 한다. 4. 33 denier 以上의 生絲에서 각 等級別로 볼 때 6A格에서 下位格으로 감에 따라 變異폭(變異係數)을 약간씩 크게 하였으나 곳에 따라 一貫性을 잃고 있으며 그리고 同一等級에서 纖度變化에 따른 變異係數數値의 變化도 같은 경향이므로 等級間 및 纖度間의 數値調整을 要한다. 5. 34 denier 以上에서는 標準偏差數 値를 代入하기 때문에 同一等級에서 平均纖度가 굵어짐에 따라 標準偏差數値를 크게 하였으나 C. V로 換算하여 보면 大同小異하므로 纖度變化에 따른 C. V數値를 달리 할 필요가 없다. 6. 以上의 1.2.3.4.5項의 矛盾點을 是正하기 위하여 是正하기 위하여 C.V에 의한 檢査方式을 導入하고 33denier 以上에서 각 纖度間과 각 等級間의 均衡을 바로 잡으며 또 34 denier 以上에서 각 等級間의 間隔을 바로 잡기 위하여 曲線回歸公式을 導入하여 調整할 必要가 있다. 7. 生絲檢査에서 纖度偏差檢査表를 다음과 같이 改正實施함이 보다 妥當하다.

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표준 발음법 분석과 대안 (Pronunciation Methods of Standard Korean' Revisited)

  • 김선철
    • 대한음성학회지:말소리
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    • 제50호
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    • pp.23-39
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    • 2004
  • Current 'Pronunciation Methods of Standard Korean(PMSK)' has several problems. Some of those are from conflicts with linguistic reality, and the rest are from their internal inconsistencies. So, we feel that it should be revised as soon as possible. But it seems that the revision is not the best way, because linguistic change will make us revise it continually. The only way to establish its reasonable alternative is that we should update our descriptive dictionary whenever we need to.

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계층분석과정에 의한 기업어음 신용평가모형 (A Commercial Paper Evaluation Model Based on the AHP)

  • 이상석;홍재범
    • 경영과학
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    • 제15권1호
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    • pp.97-115
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    • 1998
  • This study aims to develop the methodology based on the AHP(Analytic Hierarchy Process) of evaluation for commercial paper. commercial paper is the ma product of merchant banks. commercial paper evaluation is annually performed by the credit-evaluation agency. Credit evaluation is performed by the informal judgemental system, which has potential to induce serious inconsistencies in decision-making. We present an objective scoring model which does not suffer from the weakness of the subjective judgement system. The model used is illustrated by analyzing the commercial paper evaluation for the 3 motor-companies(H, K and S motors).

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A Paraconsistent Multi-Agent System

  • Jose Pacheco Almeida Prado;Freitas, Ricardo-Luis
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 2002년도 ICCAS
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    • pp.93.5-93
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    • 2002
  • Distributed Artificial Intelligence (DAI) aims to study and develop techniques that allow interaction among intelligent entities. In the last two decades, some types of DAI architecture have been proposed for various fields. However, it can be noticed that the inconsistency phenomenon has not been dealt with properly. This is probably due to the fact that this phenomenon cannot be handled (at least directly) with classical logic. Hence, to deal with such inconsistencies directly, one should employ a logic other than the classical one. The DAI Architecture described in this work is based on a nonclassical logic called Annotated Paraconsistent Logic.

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Design of fuzzy logic controller based on conflict-inconsistent rules

  • Bien, Zeungnam;Yu, Wansik
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1992년도 한국자동제어학술회의논문집(국제학술편); KOEX, Seoul; 19-21 Oct. 1992
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    • pp.30-35
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    • 1992
  • Conflicting or inconsistent rules sometimes help us to represent the control actions of an expert more freely. Also, uncertainties about the control actions of the expert may render rules with conclusions whore membership functions have different width in their shapes. Conventional inference methods for FLC may not effectively handle such inconsistencies and/or rules containing such conclusions. In this paper, an effective inference method dealing with such If-Then rules is proposed.

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