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- Dougu Nam, Seunghyun Seo, Sangsoo Kim
- Machine Learning
- 2006

Boolean networks provide a simple and intuitive model for gene regulatory networks, but a critical defect is the time required to learn the networks. In recent years, efficient network searchâ€¦ (More)

- Ira M. Gessel, Seunghyun Seo
- Electr. J. Comb.
- 2006

A proper vertex of a rooted tree with totally ordered vertices is a vertex that is less than all its proper descendants. We count several kinds of labeled rooted trees and forests by the number ofâ€¦ (More)

- Seunghyun Seo
- Electr. J. Comb.
- 2005

In this paper, we give a simple combinatorial explanation of a formula of A. Postnikov relating bicolored rooted trees to bicolored binary trees. We also present generalized formulas for the numberâ€¦ (More)

- Manwon Cho, Dongsu Kim, Seunghyun Seo, Heesung Shin
- Electr. J. Comb.
- 2004

A combinatorial bijection between k-edge colored trees and colored PrÃ¼fer codes for labelled trees is established. This bijection gives a simple combinatorial proof for the number k(n âˆ’ 2)!(nkâˆ’n nâˆ’2â€¦ (More)

- Hyuk Soo Han, Seunghyun Seo
- Eur. J. Comb.
- 2008

Let the Bessel number of the second kind B(n, k) be the number of set partitions of [n] into k blocks of size one or two, and let the Bessel number of the first kind b(n, k) be the coefficient of xâ€¦ (More)

- Dongsu Kim, Seunghyun Seo
- J. Comb. Theory, Ser. A
- 2003

Minimal transitive cycle factorizations and parking functions are related very closely. Using the correspondence between them, we find a bijection between minimal transitive factorizations ofâ€¦ (More)

- Seunghyun Seo, Heesung Shin
- J. Comb. Theory, Ser. A
- 2007

A leader of a tree T on [n] is a vertex which has no smaller descendants in T . Gessel and Seo showed that âˆ‘ T âˆˆTn u(# of leaders in T )c(degree of 1 in T ) = uPnâˆ’1(1, u, cu), which is aâ€¦ (More)

- Seungho Han, Myoungjin Kim, Yun Cui, Seunghyun Seo, Yi Gu, Hanku Lee
- MUSIC
- 2013

As various types of smart devices have recently appeared, SNS (Social Networking Services) have been expanded. Thus, the demand for social media streaming is on the rise. In the previous study, aâ€¦ (More)

In existing IT infrastructure environments, it is difficult to transcode a large volume of social media files created from heterogeneous smart devices. Hence, to solve this problem, methods for usingâ€¦ (More)

- Seunghyun Seo
- Electr. J. Comb.
- 2012

Richard Stanley suggested the problem of finding the characteristic polynomial of a certain hyperplane arrangement defined by xi + xj = 0, 1, which is called the Shi threshold arrangement. We presentâ€¦ (More)