Cooperative Video Broadcasting Scheme with Scalable Video Coding (2009)
APSIPA ASC 2009: Asia-Pacific Signal and Information Processing Association, 2009 Annual Summit and Conference. 4-7 October 2009. Sapporo, Japan. Poster session: Signal Processing and Implementations...
Wu, S., Wang, G., Pei, F., Wang, S. Y., Chen, L. Y., Wang, C. Z., ...
This paper has been withdrawn by the author due to the error in figure 2, we did not optimized c-value of the supercell, so the results can not give the true physics of this material.
. In this paper we consider the possibility of overcoming fragmentation during the construction of decision trees by dividing the values of discriminating nominal attributes into two groups and...
J. Frégeau-reid, T. M. Choo, K. M. Ho, R. A. Martin
chemical composition with doubled-haploid lines
J. R. Morris, D. M. Deaven, K. M. Ho
We demonstrate that a new approach for optimizing atomic structures is very effective for attacking the Thomson problem of finding the lowest energy configuration of N point charges on a unit sphere....
Gutzwiller density functional theory for correlated electron systems (2007)
Ho, K. M., Schmalian, J., Wang, C. Z.
We develop a new density functional theory (DFT) and formalism for correlated electron systems by taking as reference an interacting electron system that has a ground state wavefunction which obeys...
Magic structures of H-passivated 110 silicon nanowires (2006)
Chan, T. L., Ciobanu, C. V., Chuang, F. C., Lu, N, Wang, C. Z., Ho, K. M.
We report a genetic algorithm approach combined with ab initio calculations to determine the structure of hydrogenated < 110 > Si nanowires. As the number of atoms per length increases, we find...
The outreach social work service is one of the dominant youth work approaches in dealing with delinquents and youths 'at-risk' in Hong Kong. Yet this approach presents particular challenges. Outreach...
The outreach social work service is one of the dominant youth work approaches in dealing with delinquents and youths 'at-risk' in Hong Kong. Yet this approach presents particular challenges. Outreach...
Model reconstructions for the Si(337) orientation (2005)
Chuang, F. C., Ciobanu, C. V., Wang, C. Z., Ho, K. M.
Although unstable, the Si(337) orientation has been known to appear in diverse experimental situations such as the nanoscale faceting of Si(112), or in the case of miscutting a Si(113) surface....
Structure of Si(114) determined by global optimization methods (2004)
Chuang, F. C., Ciobanu, C. V., Predescu, C., Wang, C. Z., Ho, K. M.
In this article we report the results of global structural optimization of the Si(114) surface, which is a stable high-index orientation of silicon. We use two independent procedures recently...
Finding the reconstructions of semiconductor surfaces via a genetic algorithm (2004)
Chuang, F. C., Ciobanu, C. V., Shenoy, V. B., Wang, C. Z., Ho, K. M.
In this article we show that the reconstructions of semiconductor surfaces can be determined using a genetic procedure. Coupled with highly optimized interatomic potentials, the present approach...
Structure and stability of the Si(105) surface (2003)
Ciobanu, C. V., Shenoy, V. B., Wang, C. Z., Ho, K. M.
Recent experimental studies have shown that well-annealed, unstrained Si(105) surfaces appear disordered and atomically rough when imaged using scanning tunnelling microscopy (STM). We construct new...
Atomic-scale perspective on the origin of attractive step interactions on Si(113) (2003)
Ciobanu, C. V., Tambe, D. T., Shenoy, V. B., Wang, C. Z., Ho, K. M.
Recent experiments have shown that steps on Si(113) surfaces self-organize into bunches due to a competition between long-range repulsive and short-range attractive interactions. Using empirical and...
Molecular dynamic simulation of a homogeneous bcc -> hcp transition (2001)
We have performed molecular dynamic simulations of a Martensitic bcc->hcp transformation in a homogeneous system. The system evolves into three Martensitic variants, sharing a common nearest neighbor...
Mikroskopische Rechnungen zur Cl`- Adsorption auf der Ag(100)-Elektrode im elektrischen Feld. (2000)
Kohlmann, P., Bohnen, K.P., Ho, K.M., Chan, C.T.
Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, Regensburg, 26.-31.März 2000
Kohlmann, P., Bohnen, K.P., Ho, K.M., Chan, C.T.
Frühjahrstagung des Arbeitskreises Festkörperphysik bei der DPG, Münster, 22.-26.März 1999
An Efficient Global Discretization Method (1998)
This paper describes a generalization of the zeta method that removes this restriction.
An Efficient Global Discretization Method (1998)
The development of an effective and efficient method for discretization of continuous variables is an important problem to be solved in developing generally applicable methods for data mining. In Ho...
Ab initio phonon dynamics of rhodium from a generalized supercell approach. (1998)
Heid, R., Bohnen, K.P., Ho, K.M.
Physical Review B, 57(1998) S.7407-10
Ab initio phonon dynamics of iridium. (1998)
Heid, R., Bohnen, K.P., Felix, K., Ho, K.M., Reichardt, W.
Journal of Physics Condensed Matter, 10(1998) S.7967-74
Zeta: A Global Method for Discretization of Continuous Variables (1997)
Discretization of continuous variables so they may be used in conjunction with machine learning or statistical techniques that require nominal data is an important problem to be solved in developing...
Forming Categories in Exploratory Data Analysis and Data Mining (1997)
P. D. Scott, R. J. Williams, K.M. Ho
This paper describes the techniques used for categorizing variables in Snout an intelligent assistant for exploratory data analysis of survey and similar data sets that is currently under...
Surface reconstruction: metal surfaces and metal on semiconductor surfaces. (1997)
Chan, C.T., Ho, K.M., Bohnen, K.P.
Unertl, W.N. [Hrsg.]
Nørskov, J. K., Deaven, D. M., Wang, C. Z., Ho, K. M.
We present molecular-dynamics simulations of the Si(100) surface in the temperature range 1100-1750K. To describe the total energy and forces we use the Effective-Medium Tight-Binding model. The...
Experiments on Estimating Random Mapping (1996)
Hash Bin, K. M. Ho, C. J. Wang
This paper reports the experiments on using a backpropagation MLP network with a dynamic hidden layer to estimate a random mapping from the input to output space and use this estimated mapping as a...
Structure and dynamics at the Pd(100) surface. (1996)
Wachter, A., Bohnen, K.P., Ho, K.M.
Surface Science, 346(1996) S.127-35
Structure and dynamics at the Pd(100)-surface. (1996)
Wachter, A., Bohnen, K.P., Ho, K.M.
Annalen der Physik, 5(1996) S.215-23
Molecular geometry optimization with a genetic algorithm (1995)
We present a method for reliably determining the lowest energy structure of an atomic cluster in an arbitrary model potential. The method is based on a genetic algorithm, which operates on a...
Experiments on Adaptive Hashing Functions using Neural Networks (1995)
The generic function of a feedforward neural net is to map patterns from one space to another. This mapping function, determined by the set of examples used to train the network, may be viewed as a...
Mikroskopische Berechnung der Struktur epitaktischer Systeme: Ag/Au (110)- und Ag/Rh (100). (1995)
Kohlmann, P., Bohnen, K.P., Chan, C.T., Ho, K.M.
150 Jahre Deutsche Physikalische Gesellschaft : 59.Physikertagung gemeinsam mit der Frühjahrstagung DPG des Arbeitskreises Festkörperphysik, Berlin, 20.-24.März 1995
Structure and dynamics at the Al(111)-surface. (1995)
Schöchlin, J., Bohnen, K.P., Ho, K.M.
Surface Science, 324(1995) S.113-21
Bohnen, K.P., Heid, R., Ho, K.M., Chan, C.T.
Physical Review B, 51(1995) S.5805-13
Surface structure of gold and silver (110)-surfaces. (1995)
Electrochimica Acta, 40(1995) S.129-32
Growth mode of Rh on Ag(100). (1995)
Bohnen, K.P., Chan, C.T., Ho, K.M.
European Conf.on Surface Science (ECOSS-15), Lille, F, September 4-8, 1995
Structure and dynamics at metal surfaces. (1994)
Modern Surface Science : Tutorials on Selected Topics, 10th Internat. Summer Inst.in Surface Science (ISISS 1992), Milwaukee, Wis., June 29 - July 2, 1992
The structure and lattice dynamics of unreconstructed fcc (001) and (111) metal surfaces. (1994)
Tong, S.Y., Chen, Y., Bohnen, K.P., Rodach, T., Ho, K.M.
Surface Review and Letters, 1(1994) S.97-107
Accelerating the convergence of force calculations in electronic-structure computations. (1993)
Chan, C.T., Bohnen, K.P., Ho, K.M.
Physical Review B, 47(1993) S.4771-74
Chen, Y., Tong, S.Y., Bohnen, K.P., Rodach, Th., Ho, K.M.
Physical Review Letters, 70(1993) S.603-06
First principles calculations of lattice relaxation at low index surfaces of Cu. (1993)
Rodach, Th., Bohnen, K.P., Ho, K.M.
Surface Science, 286(1993) S.66-72
Initial growth mode of Au on Ag(110) studied with first principles calculations. (1993)
Chan, C.T., Bohnen, K.P., Ho, K.M.
4th European Conf.on Surface Crystallography, Aarhus, DK, May 23-26, 1993
First principles calculations of surface phonons for Cu(110). (1993)
Rodach, Th., Bohnen, K.P., Ho, K.M.
Surface Science, 296(1993) S.123-29
First principles calculation of lattice relaxation at low index surfaces of Ag and Cu. (1992)
Bohnen, K.P., Rodach, T., Ho, K.M.
Tong, S.Y. [Hrsg.]
First principles surface phonon calculations for low index faces of Ag and Cu. (1992)
6th Workshop on Surface Phonons, Schloss Ringberg, Tegernsee, May 24-25, 1992
Chen, Y., Tong, S.Y., Kim, J.S., Kesmodel, L.L., Rodach, T., Bohnen, K.P., ...
Physical Review B, 44(1991) S.11394-401
On the bilayer growth mode of Au on Ag(110). (1992)
Bohnen, K.P., Chan, C.T., Ho, K.M.
Surface Science Letters, 268(1992) S.L284-L286
First principles calculations of surface phonons. (1992)
European Research Conf. 'The Dynamical Properties of Solids', Schellerhau, September 27 - October 1, 1992
The initial growth mode of Au on Ag(110) studied with first principles calculations. (1992)
Chan, C.T., Bohnen, K.P., Ho, K.M.
Physical Review Letters, 69(1992) S.1672-75
Structure and dynamics at metal surfaces. (1991)
Selected Proc.of the 11th Internat.Vacuum Congress (IVC-11) and 7th Internat.Conf.on Solid Surfaces (ICSS-7), Koeln, September 25-29, 1989
First principles surface phonon calculations. (1991)
Journal of Electron Spectroscopy and Related Phenomena, 54/55(1990) S.229-35
Are there longitudinal resonances in Cu(111) and Ag(111) surface phonon spectra? (1991)
Tong, S.Y., Chen, Y., Bohnen, K.P., Rodach, Th., Ho, K.M.
1991 March Meeting of the American Physical Society, Cincinnati, Ohio, March 18-22, 1991
Tong, S.Y., Chen, Y., Bohnen, K.P., Rodach, Th., Ho, K.M., Kim, J.S., ...
1991 March Meeting of the American Physical Society, Cincinnati, Ohio, March 18-22, 1991
Rodach, Th., Bohnen, K.P., Ho, K.M.
55.Physikertagung und Fruehjahrstagung des Arbeitskreises Festkoerperphysik der DPG gemeinsam mit der Nederlandse Natuurkundige Vereniging -Dynamik und Statistische Physik- und dem Fachbereich Physik...
Chen, Y., Tong, S.Y., Rocca, M., Moretto, P., Valbusa, U., Bohnen, K.P., ...
Surface Science Letters, 250(1991) S.L389-L394
First principles calculation of phonons for the reconstructed Au(110)surface. (1990)
March Meeting of the American Physical Society, Anaheim, Calif., March 12-16, 1990
Chen, Y., Tong, S.Y., Rocca, M., Moretto, P., Valbusa, U., Bohnen, K.P., ...
Vibrations at Surfaces VI, New York, N.Y., September 10-14, 1990
Phonon anomaly on Ag(100). (1990)
Rocca, M., Moretto, P., Valbusa, U., Chen, Y., Tong, S.Y., Bohnen, K.P., ...
Workshop on Surface Phonons, Ringberg, June 24-27, 1990
First principles study of relaxation and phonons of the Cu(110) surface. (1989)
Rodach, T., Bohnen, K.P., Ho, K.M.
11th Internat.Vacuum Congress (IVC-11) and 7th Internat.Conf.on Solid Surfaces (ICSS-7), Koeln, September 25-29, 1989
Xu, C.H., Ho, K.M., Bohnen, K.P.
March Meeting of the American Physical Society, St.Louis, Mo., March 20-24, 1989
First-principles study of the Na(110) surface. (1989)
Rodach, T., Bohnen, K.P., Ho, K.M.
Surface Science, 209(1989) S.481-91
Surface-phonon calculations for the Al(110) surface. (1989)
Physical Review B, 38(1989) S.12897-902
Model for the c(2x2) structure induced by K on Au(110). (1989)
Ho, K.M., Chan, C.T., Bohnen, K.P.
Physical Review B, 40(1989) S.9978-81
Lahee, A.M., Toennies, J.P., Woell, Ch., Bohnen, K.P., Ho, K.M.
Europhysics Letters, 10(1989) S.261-68
Phonon dispersion measurements and first-principles calculations for the Au(110) surface. (1989)
Voigtlaender, B., Lehwald, S., Ibach, H., Bohnen, K.P., Ho, K.M.
Physical Review B, 40(1989) S.8068-71
First principles calculations of structure and dynamics of surfaces. (1988)
Ziesche, P. [Hrsg.]
Rekonstruktion der Au(110)-Oberflaeche. (1988)
52.Physikertagung gemeinsam mit der Fruehjahrstagung DPG, Duenne Schichten, Dynamik und Statistische Physik, Halbleiterphysik, Magnetismus, Metallphysik, Oberflaechenphysik, Tiefe Temperaturen,...
Role of surface-state nesting in the incommensurate reconstruction of Mo(001). (1988)
Wang, X.W., Chan, C.T., Ho, K.M., Weber, W.
Physical Review Letters, 60(1988) S.2066-69
Structure and dynamics of the Au(110)-surface. (1988)
19th European Symp.on Phonon in Solids and Solid Surfaces, Sestri Levante, I, October 17-21, 1988
First principles calculation of lattice relaxation and surface phonons on Al(100). (1988)
Surface Science, 207(1988) S.105-17
First principles calculation of surface phonons on Al(110)surface. (1987)
17th European Symp.on Dynamical Properties of Solids, Ueberlingen, September 29 - October 2, 1986
General Meeting of the American Physical Society, New York, N.Y., March 16-20, 1987
Europhysics Letters, 4(1987) S.345-49
Stability of the missing-row reconstruction on fcc (110) transition-metal surfaces. (1987)
Physical Review Letters, 59(1987) S.1833-36
Anomalous low-temperature lattice dynamics of fcc lanthanium. (1986)
Wang, X.W., Chen, Y., Stassis, C., Harmon, B.N., Ho, K.M., Weber, W.
Proc.of the Internat.Conf.on Materials and Mechanisms of Superconductivity, Ames, Iowa, May 29-31, 1985
Anomalous lattice dynamics of fcc lanthanum. (1986)
Wang, X.W., Harmon, B.N., Chen, Y., Ho, K.M., Stassis, C., Weber, W.
Physical Review B, 33(1986) S.3851-55
First-principles calculation of surface relaxation, -reconstruction and -phonons. (1986)
11th Annual Meeting 'Advances in Surface and Interface Physics', Modena, I, December 15-17, 1986
Workshop on Total Energy Methods in Solid State Physics, Braunschweig, December 3-5, 1984
Calculation of the surface phonon dispersion curve of Al(110). (1985)
General Meeting of the American Physical Society, Baltimore, Md., March 25-29, 1985
General Meeting of the American Physical Society, Baltimore, Md., March 25-29, 1985
Electron-phonon interactions in fcc lanthan. (1985)
Wang, X.W., Chen, Y., Ho, K.M., Stassis, C., Harmon, B.N., Weber, W.
Internat.Conf.on the Materials and Mechanisms of Superconductivity, Ames, Iowa, May 29-31, 1985
Ho, K.M., Fu, C.L., Harmon, B.N., Hamann, D.R., Weber, W.
Physical Review Letters, 49(1982) S.673
Frozen phonons and total energies. (1981)
Harmon, B.N., Ho, K.M., Fu, C.L., Weber, W., Hamann, D.R.
Midwest Solid State Theory Conf., Argonne, Ill., November 2-3, 1981
Chemisorption-Site Geometry from Polarized Photoemission - Si(111)Cl and Ge(111)Cl (1976)
Schluter, M., Rowe, J. E., Margaritondo, G., Ho, K. M., Cohen, M. L.
Genetic Control of Chromosome Elimination during Haploid Formation in Barley
Genetic control over chromosome stability in the interspecific hybrid embryos of Hordeum vulgare and H. bulbosum has been hypothesized to reside on specific chromosomes. In this study, crosses...
Genetic Control of Chromosome Elimination during Haploid Formation in Barley
Genetic control over chromosome stability in the interspecific hybrid embryos of Hordeum vulgare and H. bulbosum has been hypothesized to reside on specific chromosomes. In this study, crosses...
STUDY OBJECTIVE--The aim was to assess the extent to which a range of routinely available need indicators which have been suggested for use in NHS spatial resource allocation formulas were associated...
Ceftibuten Resistance and Treatment Failure of Neisseria gonorrhoeae Infection▿
Lo, Janice Y. C., Ho, K. M., Leung, Anna O. C., Tiu, Felisa S. T., Tsang, Grand K. L., Lo, Angus C. T., ...
Neisseria gonorrhoeae infections have been empirically treated in Hong Kong with a single oral 400-mg dose of ceftibuten since 1997. Following anecdotal reports of the treatment failure of gonorrhea...