• 한국정보전자통신기술학회논문지
• /
• 제12권4호
• /
• pp.440-448
• /
• 2019

이 논문에서는 빈칸 되묻기 방식 기반 다중 키워드 처리가 가능한 주문용 챗봇을 제안한다. 일반적으로 챗봇을 이용한 주문 서비스의 경우에는 개발자가 미리 정의한 순서에 따라서만 주문이 진행된다. 그리고 한번의 답변으로 들어올 수 있는 입력 정보가 정해져 있기 때문에 사용자에 따라 다른 입력을 고려하지 못한다. 이 연구에서는 이러한 문제를 해결하기 위해 빈칸 되묻기 방식을 사용하여 다중 키워드 동시 처리를 하고자 한다. 빈칸 되묻기 방식은 다음과 같이 진행된다. 첫번째, 각 주문 단계에서 입력 받아야 하는 정보를 저장할 수 있는 배열을 미리 만들어 둔다. 그리고 각 주문 단계별로 받을 수 있는 정보들을 키워드로 미리 지정한다. 두번째로, 입력된 문장에서 키워드를 추출하는 작업을 진행한다. 그리고 추출된 키워드들을 해당하는 주문 단계의 배열에 채워 넣는다. 마지막으로, 각 주문 단계의 배열을 체크하면서 비어있는 단계에 대한 질문만 진행하여 부족한 정보들을 전부 채운다. 배열이 모두 채워지면 주문이 완료된다. 제안하는 방식은 한 문장에 주문과 관련된 키워드가 여러 개이더라도 처리가 가능하다. 그리고 한 번에 여러 개의 키워드를 처리할 수 있기 때문에 주문 단계를 생략하여 주문 시간을 줄일 수 있다. 안드로이드 스마트폰을 이용해 챗봇을 구현하고 빈칸 되묻기 방식을 이용해 주문 단계의 동적 처리가 되는지 실험을 통해 확인한다.

• Journal of the Korean Data and Information Science Society
• /
• 제16권3호
• /
• pp.657-663
• /
• 2005

Under the minimum risk point estimation formulation of Robbins(1959), we consider the sequential point estimation problem for normal population $N({\theta},\;{\theta})$ with unknown parameter ${\theta}$. In the case of completely unknown ${\theta}$, Stein's(1945) two-stage procedure is known to enjoy the consistency property, but it is not even first-order efficient. In the case when ${\theta}>{\theta}_L\;where\;{\theta}_L(>0)$ is known, the revised two-stage procedure is shown to enjoy all the usual second-order properties.

• 한국정보처리학회논문지
• /
• 제5권9호
• /
• pp.2388-2394
• /
• 1998

제어점들이 주어지지 않고 다각형이 주어질 때 그 다각형의 내부를 통과하는 곡선을 생성하는 방법을 제안하였다. 다각형의 볼록 분할을 통해 제어점들을 선정하였으며 곡선 세그먼트의 1차 연속성을 만족시키면서 2차 불연속성을 극소화하는 방법과 점성 저항 하에서 곡선 세그먼트의 1차 연속성을 만족시키면서 소비 에너지를 극소화하는 방법을 제안하였다.

• Journal of the Korean Data and Information Science Society
• /
• 제24권3호
• /
• pp.637-642
• /
• 2013

In this paper, we consider the maximum entropy test in in nite order autoregressiv models. Its asymptotic distribution is derived under the null hypothesis. A bootstrap version of the test is discussed and its performance is evaluated through Monte Carlo simulations.

• 경영과학
• /
• 제18권2호
• /
• pp.1-10
• /
• 2001

Due to environmental change in market, delivery satisfaction to customer end redaction of LeadTime are critical In the Make-to-Order manufacturing system. This paper focuses on Order Feasibility Decision System Based on SNS System. We suggest BOP (Bill of Process) in which aggregated information is used When the load p1anning problem is solved while more detailed information is used when the scheduling problem is solved.

• 한국정보과학회:학술대회논문집
• /
• 한국정보과학회 2002년도 봄 학술발표논문집 Vol.29 No.1 (B)
• /
• pp.289-291
• /
• 2002

Host of source separation methods focus on stationary sources so higher-order statistics is necessary In this paler we consider a problem of source separation when sources are second-order nonstationary stochastic processes . We employ the natural gradient method and develop learning algorithms for both 1inear feedback and feedforward neural networks. Thus our algorithms possess equivariant property Local stabi1iffy analysis shows that separating solutions are always locally stable stationary points of the proposed algorithms, regardless of probability distributions of

• Journal of Platform Technology
• /
• 제6권4호
• /
• pp.11-17
• /
• 2018

In the smart intelligence information society, there is a possibility that the social dysfunction such as the personal information protection issue and the risk to the electronic surveillance society may be highlighted. In this paper, we refer to various categories and classify electronic surveillance into audio surveillance, visual surveillance, location surveillance, biometric information surveillance, and data surveillance. In order to respond to new electronic surveillance in the intelligent information society, it requires a change of perception that is different from that of the past. This starts with the importance of digital privacy and results in the right to self-determination of personal information. Therefore, in order to preemptively respond to the dysfunctions that may arise in the intelligent information society, it is necessary to further raise the awareness of the civil society to protect information human rights.

• 한국통신학회논문지
• /
• 제30권7A호
• /
• pp.628-638
• /
• 2005

The analysis of maximum diversity order and coding gain for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems over time-and frequency-selective (or doubly-selective) channels is addressed in this paper. A novel channel time-space correlation function is developed given the spatially correlated doubly-selective Rayleigh fading channel model. Based on this channel-model assumption, the upper-bound of pairwise error probability (PEP) for MIMO-OFDM systems is derived under the maximum likelihood (ML) detection. For a certain space-frequency code, we quantify the maximum diversity order and deduce the expression of coding gain. In this wort the impact of channel time selectivity is especially studied and a new definition of time diversity is illustrated correspondingly

• Journal of the Optical Society of Korea
• /
• 제13권2호
• /
• pp.294-298
• /
• 2009

In this paper we proposed a new Bragg grating waveguide in order to improve reflectivity and to achieve compactness. Bragg gratings with various thicknesses were engraved in the middle of the core layer with a length of 3 mm. For the sake of cost-effectiveness, the $3^{rd}$ order Bragg grating waveguides were fabricated via conventional photolithography. The maximum reflectivities for the fixed width waveguide of $6{\mu}m$ with the 0.1 and $0.3{\mu}m$-thick Bragg gratings were, -13.14 and -6.25 dB, respectively, and the Bragg wavelengths were 1562.28, 1564.10 nm, respectively. A slight increase in the Bragg grating thickness can result in a remarkable reduction in the length of the Bragg grating waveguide with a fixed reflectivity.

• 한국언어정보학회지:언어와정보
• /
• 제13권1호
• /
• pp.39-56
• /
• 2009

This paper investigates ordering alternation phenomena in Korean using the dative construction data from Sejong Corpus of Modern Korean (Kim, 2000). The paper first shows that syntactic weight and information structure are distinct and independent factors that influence word order in Korean. Moreover, it reveals that heaviness and givenness compete each other and exert diverging effects on word order, which contrasts the converging effects of these factors shown in word orders of right-branching languages like English. The typological variation of syntactic weight effect poses interesting theoretical and empirical questions, which are discussed in relation to processing efficiency in ordering.