• The KIPS Transactions:PartA
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• v.14A no.5
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• pp.263-268
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• 2007

In this paper, we analyze some topological properties of Folded Hyper-Star FHS(2n,n). First, we prove that FHS(2n,n) has maximal fault tolerance, and broadcasting time using double rooted spanning tree is 2n-1. Also we show that FHS(2n,n) can be embedded into Folded hypercube with dilation 1, and Folded hypercube can be embedded into FHS(2n,n) ith dilation 2 and congestion 1.

• Proceedings of the Korean Information Science Society Conference
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• 2003.10a
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• pp.418-420
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• 2003

최근에 하이퍼큐브의 망비용을 개선한 상호연결망 하이퍼-스타가 제안되었다. 본 논문에서는 상호연결 망 하이퍼-스타 HS(2n,n)의 평균거리가 (equation omitted)임을 보이고, 스패닝 트리를 이용한 일-대-다 방송 기법을 제안하고, 방송 수행 시간이 2n-1임을 보인다.

• The KIPS Transactions:PartA
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• v.11A no.5
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• pp.341-346
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• 2004

Recently A Hyper-Star Graph HS(m, k) has been introduced as a new interconnection network of new topology for parallel processing. Hyper-Star Graph has properties of hypercube and star graph, further improve the network cost of a hypercube with the same number of nodes. In this paper, we show that Hyper-Star Graph HS(m, k) is subgraph of hypercube. And we also show that regular graph, Hyper-Star Graph HS(2n, n) is node-symmetric by introduced mapping algorithm. In addition, we introduce an efficient one-to-all broadcasting scheme - takes 2n-1 times - in Hyper-Star Graph HS(2n, n) based on a spanning tree with minimum height.

• Proceedings of the Korean Information Science Society Conference
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• 2003.10a
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• pp.373-375
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• 2003

최근에 하이퍼큐브의 망비용을 개선한 상호연결망 하이퍼-스타가 제안되었다. 본 논문에서는 상호연결망 하이퍼-스타 HS(2n,n)가 제안된 매핑 알고리즘에 의해 노드 대칭임을 보인다.

• Proceedings of the Korean Information Science Society Conference
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• 2004.10a
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• pp.61-63
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• 2004

최근에 하이퍼큐브의 망비용을 개선한 상호연결망 하이퍼-스타가 제안되었다. 본 논문에서는 삼진트리가 하이퍼-스타 연결망 HS(2n, n)에 연장율 1로 임베딩 가능함을 보인다.

• Journal of KIISE:Software and Applications
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• v.26 no.2
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• pp.321-333
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• 1999

본 논문은 퍼지 하이퍼그래프(fuzzy hypergraph)를 확장하여 타입-2 퍼지 하이퍼그래프를 정의하고, 이렇게 정의된 그래프의 듀얼( dual)을 소개한다. 그리고 하이퍼그래프의 시스템 분석력을 증대시키기 위하여 원소와 에지(edge)의 인접한 정도를 나타내는 인접도(adjavent level)를 확장하여 퍼지 인접도를 정의한다. 이와 같이 정의된 인접도를 새로이 정의된 타입-2 퍼지 하이퍼그래프에 적용하여 하이퍼그래프의 시스템 분석능력을 증대시킴을 보인다.

• Annual Conference of KIPS
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• 2000.10a
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• pp.637-640
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• 2000

본 논문에서는 하이퍼큐브보다 망비용이 개선된 HFN(n,n)과 2n-hypercube 사이의 임베딩을 분석한다. 2n-hypercube를 HFN(n,n)에 연장율 3에 임베딩 가능함을 보이고, HFN(n,n)을 2n-hypercube에 임베딩하는 비용이 O(n)임을 보인다.

• KIPS Transactions on Computer and Communication Systems
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• v.2 no.4
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• pp.151-154
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• 2013

In this paper, we will analyze embedding between Folded Hypercube and HFH. We will show Folded Hypercube $FQ_{2n}$ can be embedded into HFH($C_n,C_n$) with dilation 4, expansion $\frac{(C_n)^2}{2^{2n}}$ and HFH($C_d,C_d$) can be embedded into $FQ_{4d-2}$ with dilation O(d).

• Annual Conference of KIPS
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• 2007.11a
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• pp.663-666
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• 2007

본 논문에서는 하이퍼큐브보다 망비용이 개선된 Folded 하이퍼큐브 연결망과 오드 연결망 사이의 임베딩을 분석한다. Folded 하이퍼큐브 $FQ_n$을 오드 연결망 $O_{2n+1}$에 연장율 2, 밀집율 1에 임베딩 가능함을 보이고, 오드 연결망 $O_d$을 Folded 하이퍼큐브 $FQ_{2d-1}$에 연장율 2, 밀집율 1에 임베딩 가능함을 보인다.

• Korean Journal of Cognitive Science
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• v.11 no.3_4
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• pp.1-11
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• 2000

This study investigated information acquisition from hypertext and the difference of searching behavior between adults and children. In experiment 1. we compared the amount of information acquisition from the hypertext to that of the printed text. The result showed that the performance in printed text was better than in hypertext. However. the performance of experienced (in the internet) participant showed no difference between the hypertext and the printed text. Experiment 2 compared the information-searching behavior of the adults and children in the hypertext environment. The results showed that adults performed the information-searching faster than children, yet there was no difference in the proportion of correct responses of the two groups. However. children who were more experienced in the internet and produced right answers to the 7th level questions in depth performed better and faster than the adults who were not. These results suggest that the experience in the internet is the most important factor in the searching of the wanted information.