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Predicting three-way interactions of proteins from expression profiles based on correlation coefficient

IPSJ Transactions on Bioinformatics 2012年 5卷 34-43页

作者： Inoue, Etsuko Murakami, Sho Fujiki, Takatoshi Yoshihiro, Takuya Takemoto, Atsushi Ikegami, Haruka Matsumoto, Kazuya Nakagawa, Masaru Faculty of Systems Engineering Wakayama University Wakayama 640-8510 Japan Graduate School of Systems Engineering Wakayama University Wakayama 640-8510 Japan Graduate School of Biology-Oriented Science and Technology Kinki University Kinokawa Wakayama 649-6493 Japan NTT Data Corporation Japan

In this study, we propose a new method to predict three-way interactions among proteins based on correlation coefficient of protein expression profiles. Although three-way interactions have not been studied well, this kind of interactions are important to understand the system of life. Previous studies reported the three-way interactions that based on switching mechanisms, in which a property or an expression level of a protein switches the mechanism of interactions between other two proteins. In this paper, we proposed a new method to predict three-way interactions based on the model in which A and B work together to effect on the expression level of C. We present the algorithm to predict the combinations of three proteins that have the three-way interaction, and evaluate it using our real proteome data.

关键词： Proteins

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Measurement of KS0 and K*0 in p+p,d+Au, and Cu + Cu collisions at sNN=200 GeV

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Physical Review C 2014年第5期90卷 054905-054905页

作者： A. Adare S. Afanasiev C. Aidala N. N. Ajitanand Y. Akiba R. Akimoto H. Al-Bataineh J. Alexander M. Alfred A. Angerami K. Aoki N. Apadula L. Aphecetche Y. Aramaki R. Armendariz S. H. Aronson J. Asai H. Asano E. T. Atomssa R. Averbeck T. C. Awes B. Azmoun V. Babintsev M. Bai G. Baksay L. Baksay A. Baldisseri N. S. Bandara B. Bannier K. N. Barish P. D. Barnes B. Bassalleck A. T. Basye S. Bathe S. Batsouli V. Baublis C. Baumann A. Bazilevsky M. Beaumier S. Beckman S. Belikov R. Belmont R. Bennett A. Berdnikov Y. Berdnikov J. H. Bhom A. A. Bickley D. Black D. S. Blau J. G. Boissevain J. S. Bok H. Borel K. Boyle M. L. Brooks J. Bryslawskyj H. Buesching V. Bumazhnov G. Bunce S. Butsyk S. Campbell A. Caringi B. S. Chang J.-L. Charvet C.-H. Chen S. Chernichenko C. Y. Chi J. Chiba M. Chiu I. J. Choi J. B. Choi R. K. Choudhury P. Christiansen T. Chujo P. Chung A. Churyn O. Chvala V. Cianciolo Z. Citron C. R. Cleven B. A. Cole M. P. Comets Z. Conesa del Valle M. Connors P. Constantin M. Csanád T. Csörgő T. Dahms S. Dairaku I. Danchev K. Das A. Datta M. S. Daugherity G. David M. K. Dayananda M. B. Deaton K. DeBlasio K. Dehmelt H. Delagrange A. Denisov D. d'Enterria A. Deshpande E. J. Desmond K. V. Dharmawardane O. Dietzsch L. Ding A. Dion J. H. Do M. Donadelli O. Drapier A. Drees K. A. Drees A. K. Dubey J. M. Durham A. Durum D. Dutta V. Dzhordzhadze L. D'Orazio S. Edwards Y. V. Efremenko J. Egdemir F. Ellinghaus W. S. Emam T. Engelmore A. Enokizono H. En'yo S. Esumi K. O. Eyser B. Fadem N. Feege D. E. Fields M. Finger M. Finger, Jr. F. Fleuret S. L. Fokin Z. Fraenkel J. E. Frantz A. Franz A. D. Frawley K. Fujiwara Y. Fukao T. Fusayasu S. Gadrat C. Gal P. Gallus P. Garg I. Garishvili H. Ge F. Giordano A. Glenn H. Gong M. Gonin J. Gosset Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene G. Grim M. Grosse Perdekamp Y. Gu T. Gunji H. Guragain H.-Å. Gustafsson T. Hachiya A. Hadj Henni C. Haegemann J. S. Haggerty K. I. Hahn H. Hamagaki J. Hamblen R. Han S. Y. Han J. Hanks H. Harada E. P. Hartouni K. Haruna S. Hasegawa E. Haslum University of Colorado Boulder Colorado 80309 USA Joint Institute for Nuclear Research 141980 Dubna Moscow Region Russia Columbia University New York New York 10027 and Nevis Laboratories Irvington New York 10533 USA Department of Physics University of Massachusetts Amherst Massachusetts 01003-9337 USA Department of Physics University of Michigan Ann Arbor Michigan 48109-1040 USA Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Center for Nuclear Study Graduate School of Science University of Tokyo 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan New Mexico State University Las Cruces New Mexico 88003 USA Department of Physics and Astronomy Howard University Washington DC 20059 USA Kyoto University Kyoto 606-8502 Japan Iowa State University Ames Iowa 50011 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794-3800 USA SUBATECH (Ecole des Mines de Nantes CNRS-IN2P3 Université de Nantes) BP 20722-44307 Nantes France Physics Department Brookhaven National Laboratory Upton New York 11973-5000 USA Laboratoire Leprince-Ringuet Ecole Polytechnique CNRS-IN2P3 Route de Saclay F-91128 Palaiseau France Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Collider-Accelerator Department Brookhaven National Laboratory Upton New York 11973-5000 USA Florida Institute of Technology Melbourne Florida 32901 USA Dapnia CEA Saclay F-91191 Gif-sur-Yvette France University of California-Riverside Riverside California 92521 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA University of New Mexico Albuquerque New Mexico 87131 USA Abilene Christian University Abilene Texas 79

The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of KS0 and K*0 meson production at midrapidity in p+p,d+Au, and Cu+Cu collisions at sNN=200 GeV. The KS0 and K*0 mesons are reconstructed via their KS0→π0(→γγ)π0(→γγ) and K*0→K±π∓ decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of KS0 and K*0 mesons in d+Au and Cu+Cu collisions at different centralities. In the d+Au collisions, the nuclear modification factor of KS0 and K*0 mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu+Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions. In central collisions, both mesons show suppression relative to the expectations from the p+p yield scaled by the number of binary nucleon-nucleon collisions in the Cu+Cu system. In the pT range 2–5 GeV/c, the strange mesons (KS0,K*0) similarly to the ϕ meson with hidden strangeness, show an intermediate suppression between the more suppressed light quark mesons (π0) and the nonsuppressed baryons (p,p¯). At higher transverse momentum, pT>5 GeV/c, production of all particles is similarly suppressed by a factor of ≈2.

关键词： HEAVY ion collisions POTASSIUM isotopes QUARKONIUMS COPPER ions MESONS NUCLEON-nucleon interactions DECAY

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Firearm Classification Based on Numerical Features of the Firing Pin Impression

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Procedia Computer science 2012年 13卷 144-151页

作者： Choong-Yeun Liong Nor Azura Md Ghani Saadi Bin Ahmad Kamaruddin Abdul Aziz Jemain Centre for Modelling and Data Analysis (DELTA) School of Mathematical Sciences Faculty of Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Darul Ehsan Malaysia Center for Statistical Studies and Decision Sciences Faculty of Computer and Mathematical Sciences Universiti Teknologi MARA 40450 Shah Alam Selangor Darul Ehsan Malaysia Computational and Theoretical Sciences Department Kulliyyah of Science International Islamic University Malaysia Jalan Istana Bandar Indera Mahkota 25200 Kuantan Pahang Darul Makmur Malaysia

Many heavy crimes committed such as murders or robberies frequently involve firearms, particularly pistols. In order to solve the crime cases, firearm identification is becoming vital. Unique marks are left on the bullet and the cartridge case when a firearm is fired. The firing pin impression is one of the most vital marks on any cartridge case. In this study, a total of 68 features of firing pin impression images – 20 basic statistical features, and 48 geometric moment features up to the sixth order – were extracted from three regions of the firing pin impression image, namely whole, centre and ring images. Five different types of pistol of the Parabellum Vector SPI 9 mm model were tested, where 50 bullets were fired from each pistol. Preliminary analysis using Pearson correlation shows that the features are significantly highly correlated. Therefore principal component analysis (PCA) was used to analyze the interrelationship among the features and combine them into a smaller set of factors while maintaining maximum information of the original patterns. PCA has reduced the dimensionality of the features into nine significant components of features. Discriminant analysis was used to identify the types of pistols used based on the new components. A total of 85.2% of the images were correctly classified according to the pistols used using cross-validation under discriminant analysis. The result demonstrates the potential of using PCA to reduce the dimensions of the numerical features towards an efficient firearm identification system.

关键词： Firearm identification Firing pin impression Statistical features Geometric moment Principal component analysis

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Low-mass vector-meson production at forward rapidity in p+p collisions at s=200 GeV

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Physical Review D 2014年第5期90卷 052002-052002页

作者： A. Adare C. Aidala N. N. Ajitanand Y. Akiba R. Akimoto H. Al-Ta’ani J. Alexander M. Alfred K. R. Andrews A. Angerami K. Aoki N. Apadula E. Appelt Y. Aramaki R. Armendariz H. Asano E. C. Aschenauer E. T. Atomssa T. C. Awes B. Azmoun V. Babintsev M. Bai N. S. Bandara B. Bannier K. N. Barish B. Bassalleck A. T. Basye S. Bathe V. Baublis C. Baumann A. Bazilevsky M. Beaumier S. Beckman R. Belmont J. Ben-Benjamin R. Bennett A. Berdnikov Y. Berdnikov D. Black D. S. Blau J. Bok J. S. Bok K. Boyle M. L. Brooks D. Broxmeyer J. Bryslawskyj H. Buesching V. Bumazhnov G. Bunce S. Butsyk S. Campbell P. Castera C.-H. Chen C. Y. Chi M. Chiu I. J. Choi J. B. Choi R. K. Choudhury P. Christiansen T. Chujo O. Chvala V. Cianciolo Z. Citron B. A. Cole Z. Conesa del Valle M. Connors M. Csanád T. Csörgő S. Dairaku A. Datta M. S. Daugherity G. David M. K. Dayananda K. DeBlasio K. Dehmelt A. Denisov A. Deshpande E. J. Desmond K. V. Dharmawardane O. Dietzsch L. Ding A. Dion J. H. Do M. Donadelli O. Drapier A. Drees K. A. Drees J. M. Durham A. Durum L. D’Orazio Y. V. Efremenko T. Engelmore A. Enokizono H. En’yo S. Esumi B. Fadem N. Feege D. E. Fields M. Finger M. Finger, Jr. F. Fleuret S. L. Fokin J. E. Frantz A. Franz A. D. Frawley Y. Fukao T. Fusayasu C. Gal P. Gallus P. Garg I. Garishvili H. Ge F. Giordano A. Glenn X. Gong M. Gonin Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp Y. Gu T. Gunji L. Guo H. Guragain H.-Å. Gustafsson T. Hachiya J. S. Haggerty K. I. Hahn H. Hamagaki J. Hamblen R. Han S. Y. Han J. Hanks C. Harper S. Hasegawa K. Hashimoto E. Haslum R. Hayano X. He T. K. Hemmick T. Hester J. C. Hill R. S. Hollis W. Holzmann K. Homma B. Hong T. Horaguchi Y. Hori D. Hornback T. Hoshino S. Huang T. Ichihara R. Ichimiya H. Iinuma Y. Ikeda K. Imai Y. Imazu M. Inaba A. Iordanova D. Isenhower M. Ishihara M. Issah D. Ivanischev D. Ivanishchev Y. Iwanaga B. V. Jacak S. J. Jeon M. Jezghani J. Jia X. Jiang D. John B. M. Johnson T. Jones E. Joo K. S. Joo D. Jouan D. S. Jumper J. Kamin S. Kaneti B. H. Kang J. H. Kang J University of Colorado Boulder Colorado 80309 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA Department of Physics University of Michigan Ann Arbor Michigan 48109-1040 USA Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Center for Nuclear Study Graduate School of Science University of Tokyo 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan New Mexico State University Las Cruces New Mexico 88003 USA Department of Physics and Astronomy Howard University Washington DC 20059 USA Abilene Christian University Abilene Texas 79699 USA Columbia University New York New York 10027 and Nevis Laboratories Irvington New York 10533 USA Iowa State University Ames Iowa 50011 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794-3800 USA Vanderbilt University Nashville Tennessee 37235 USA University of California–Riverside Riverside California 92521 USA Kyoto University Kyoto 606-8502 Japan Physics Department Brookhaven National Laboratory Upton New York 11973-5000 USA Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Collider-Accelerator Department Brookhaven National Laboratory Upton New York 11973-5000 USA Department of Physics University of Massachusetts Amherst Massachusetts 01003-9337 USA University of New Mexico Albuquerque New Mexico 87131 USA Baruch College City University of New York New York New York 10010 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad region 188300 Russia Institut fur Kernphysik University of Muenster D-48149 Muenster Germany Muhlenberg College Allentown Pennsylvania 18104-5586 USA Saint Petersburg State Polytechnic Uni

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured low-mass vector-meson, ω, ρ, and ϕ, production through the dimuon decay channel at forward rapidity (1.2<|y|<2.2) in p+p collisions at s=200 GeV. The differential cross sections for these mesons are measured as a function of both pT and rapidity. We also report the integrated differential cross sections over 1

关键词： MUON decay COLLISIONS (Nuclear physics) RELATIVISTIC Heavy Ion Collider CROSS sections (Nuclear physics) VECTOR mesons

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Nuclear matter effects on J/ψ production in asymmetric Cu + Au collisions at sNN=200 GeV

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Physical Review C 2014年第6期90卷 064908-064908页

作者： A. Adare C. Aidala N. N. Ajitanand Y. Akiba R. Akimoto J. Alexander M. Alfred K. Aoki N. Apadula Y. Aramaki H. Asano E. T. Atomssa T. C. Awes B. Azmoun V. Babintsev M. Bai X. Bai N. S. Bandara B. Bannier K. N. Barish S. Bathe V. Baublis C. Baumann S. Baumgart A. Bazilevsky M. Beaumier S. Beckman R. Belmont A. Berdnikov Y. Berdnikov X. Bing D. Black D. S. Blau J. S. Bok K. Boyle M. L. Brooks J. Bryslawskyj H. Buesching V. Bumazhnov S. Butsyk S. Campbell C.-H. Chen C. Y. Chi M. Chiu I. J. Choi J. B. Choi S. Choi P. Christiansen T. Chujo V. Cianciolo Z. Citron B. A. Cole N. Cronin N. Crossette M. Csanád T. Csörgő A. Datta M. S. Daugherity G. David K. DeBlasio K. Dehmelt A. Denisov A. Deshpande E. J. Desmond L. Ding A. Dion J. H. Do O. Drapier A. Drees K. A. Drees J. M. Durham A. Durum L. D'Orazio T. Engelmore A. Enokizono H. En'yo S. Esumi K. O. Eyser B. Fadem N. Feege D. E. Fields M. Finger M. Finger, Jr. F. Fleuret S. L. Fokin J. E. Frantz A. Franz A. D. Frawley Y. Fukao K. Gainey C. Gal P. Gallus P. Garg A. Garishvili I. Garishvili H. Ge F. Giordano A. Glenn X. Gong M. Gonin Y. Goto R. Granier de Cassagnac N. Grau S. V. Greene M. Grosse Perdekamp Y. Gu T. Gunji H. Guragain T. Hachiya J. S. Haggerty K. I. Hahn H. Hamagaki S. Y. Han J. Hanks S. Hasegawa K. Hashimoto R. Hayano X. He T. K. Hemmick T. Hester J. C. Hill R. S. Hollis K. Homma B. Hong T. Hoshino J. Huang S. Huang T. Ichihara Y. Ikeda K. Imai Y. Imazu M. Inaba A. Iordanova D. Isenhower A. Isinhue D. Ivanishchev B. V. Jacak S. J. Jeon M. Jezghani J. Jia X. Jiang B. M. Johnson E. Joo K. S. Joo D. Jouan D. S. Jumper J. Kamin S. Kanda B. H. Kang J. H. Kang J. S. Kang J. Kapustinsky D. Kawall A. V. Kazantsev J. A. Key V. Khachatryan P. K. Khandai A. Khanzadeev K. Kihara K. M. Kijima C. Kim D. H. Kim D. J. Kim E.-J. Kim H.-J. Kim M. Kim Y.-J. Kim Y. K. Kim E. Kistenev J. Klatsky D. Kleinjan P. Kline T. Koblesky M. Kofarago B. Komkov J. Koster D. Kotchetkov D. Kotov F. Krizek K. Kurita M. Kurosawa Y. Kwon R. Lacey Y. S. Lai J. G. Lajoie A. Lebedev D. M. Lee G. H University of Colorado Boulder Colorado 80309 USA Los Alamos National Laboratory Los Alamos New Mexico 87545 USA Department of Physics University of Michigan Ann Arbor Michigan 48109-1040 USA Chemistry Department Stony Brook University SUNY Stony Brook New York 11794-3400 USA RIKEN Nishina Center for Accelerator-Based Science Wako Saitama 351-0198 Japan RIKEN BNL Research Center Brookhaven National Laboratory Upton New York 11973-5000 USA Center for Nuclear Study Graduate School of Science University of Tokyo 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan Department of Physics and Astronomy Howard University Washington DC 20059 USA Iowa State University Ames Iowa 50011 USA Department of Physics and Astronomy Stony Brook University SUNY Stony Brook New York 11794-3800 USA Kyoto University Kyoto 606-8502 Japan Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Physics Department Brookhaven National Laboratory Upton New York 11973-5000 USA IHEP Protvino State Research Center of Russian Federation Institute for High Energy Physics Protvino 142281 Russia Collider-Accelerator Department Brookhaven National Laboratory Upton New York 11973-5000 USA Science and Technology on Nuclear Data Laboratory China Institute of Atomic Energy Beijing 102413 People's Republic of China Department of Physics University of Massachusetts Amherst Massachusetts 01003-9337 USA University of California—Riverside Riverside California 92521 USA Baruch College City University of New York New York New York 10010 USA PNPI Petersburg Nuclear Physics Institute Gatchina Leningrad Region 188300 Russia Vanderbilt University Nashville Tennessee 37235 USA Saint Petersburg State Polytechnic University St. Petersburg 195251 Russia Department of Physics and Astronomy Ohio University Athens Ohio 45701 USA Russian Research Center “Kurchatov Institute ” Moscow 123098 Russia New Mexico State University Las Cruces New Mexico 88003 USA University of New Mexico Albuquerqu

We report on J/ψ production from asymmetric Cu + Au heavy-ion collisions at sNN=200 GeV at the Relativistic Heavy Ion Collider at both forward (Cu-going direction) and backward (Au-going direction) rapidities. The nuclear modification of J/ψ yields in Cu + Au collisions in the Au-going direction is found to be comparable to that in Au + Au collisions when plotted as a function of the number of participating nucleons. In the Cu-going direction, J/ψ production shows a stronger suppression. This difference is comparable in magnitude and has the same sign as the difference expected from shadowing effects due to stronger low-x gluon suppression in the larger Au nucleus.

关键词： Collisions Copper SHADOW EFFECT Heavy ion colliders Comparable Gold copper alloy Nucleons

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Lecture Notes in Computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in Computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2012年 7472 LNAI卷 V-VII页

作者： Atzmueller, Martin Chin, Alvin Helic, Denis Hotho, Andreas University of Kassel Knowledge and Data Engineering Group Wilhelmshöher Allee 73 34121 Kassel Germany Nokia Research Center Mobile Social Networking Group Beijing 100176 China Graz University of Technology Faculty of Computer Science Inffeldgasse 21a 8010 Graz Austria University of Würzburg Data Mining and Information Retrieval Group Am Hubland 97074 Würzburg Germany

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Whole Genome Gene Discovery in the Pathogenic Oomycete Pythium insidiosum by 454 Sequencing technology

Whole Genome Gene Discovery in the Pathogenic Oomycete Pythi...

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The Annual Oomycete Molecular Genetics Network Meeting(国际卵菌分子遗传学年会)

作者： Theerapong Krajaejun Shoba Ranganathan Rommanee Khositnithikul Tassanee Lerksuthirat Tassanee Lowhnoo Thidarat Rujirawat Wanta Yingyong Prapat Suriyaphol Sittichoke Tangphatsornruang Gagan Garg Department of Pathology Mahidol University Bangkok Department of Chemistry and Biomolecular Sciences Macquarie University Australia Molecular Medicine Program Multidisciplinary Unit Faculty of Science Mahidol University Bangkok Research Center Faculty of Medicine Ramathibodi HospitalMahidol University Bangkok Bioinformatics and Data Management for Research Office for Research and Development Faculty of Medicine Siriraj Hospital Mahidol University Bangkok Genome Sequencing Laboratory National Center for Genetic Engineering and Biotechnology National Science and Technology Development Agency PathumthaniThailand

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Enhanced illumination balancing with neural network for improved degraded scanned text-photo images

Enhanced illumination balancing with neural network for impr...

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International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information technology

作者： Athimethphat, Maythapolnun Kritayakirana, Kong Department of Business Data Analysis Faculty of Science and Technology Assumption University Bangkok Thailand Faculty of Engineering Assumption University Bangkok Thailand

ISBN: (纸本)9781457704246

Degradations in text-photo image result from poor quality of degraded scanned-documents, where considerable background noise or uneven illumination occurs. These disturbances may not be easily classified as objects or background pixels. This paper proposes the alternative illumination balancing based on the Neural Network that aims to improve the degraded scanned documents. The experiment results show that the proposed algorithm has produced a significant improvement in the performance. Moreover, the improvement can be clearly seen for text-photo images as the results were compared with other algorithms. © 2011 IEEE.

关键词： Edge detection

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Analysis of 7Li(n,n′)7Li* reactions using the continuum-discretized coupled-channels method

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Physical Review C 2012年第6期86卷 064604-064604页

作者： D. Ichinkhorloo Y. Hirabayashi K. Katō M. Aikawa T. Matsumoto S. Chiba Meme Media Laboratory Hokkaido University Sapporo 060-8628 Japan Information Initiative Center Hokkaido University Sapporo 060-0810 Japan Nuclear Reaction Data Centre Faculty of Science Hokkaido University Sapporo 060-0810 Japan Department of Physics Kyushu University Fukuoka 812-8581 Japan Research Laboratory for Nuclear Reactors Tokyo Institute of Technology Tokyo 152-8550 Japan

We study 7Li(n,n′)7Li* reactions by using the continuum-discretized coupled-channels (CDCC) method with the complex Jeukenne-Lejeune-Mahaux effective nucleon-nucleon interaction. In this study, the 7Li nucleus is described by an α+t cluster model. The calculated elastic cross sections for incident energies between 11.5 and 24.0 MeV show good agreements with experimental data. Furthermore, we calculate the neutron spectra of 7Li ground and excited breakup states measured at selected angular points for incident energies of 11.5 and 18.0 MeV. The results reproduce the observed data systematically.

关键词： NUCLEAR reactions FIELD theory (Physics) CROSS sections (Nuclear physics) LITHIUM NUCLEAR energy GROUND state (Quantum mechanics)

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Solving the viva presentations timetabling problem: A case study at FTSM-UKM

Solving the viva presentations timetabling problem: A case s...

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2011 International Conference on Electrical Engineering and Informatics, ICEEI 2011

作者： Ayob, Masri Jaradat, Ghaith M. Hamdan, Abdul Razak Sarim, Hafiz Mohd Nazri, Mohd Zakree Ahmad Data Mining and Optimization Research Group Faculty of Information Science and Technology Universiti Kebangsaan Malaysia 43600 UKM Bangi Selangor Malaysia

ISBN: (纸本)9781457707520

There is a growing need to automatically timetable viva presentations for postgraduate candidates due to the increasing number of students enrolled each year, and hence, requiring additional personnel effort. The automatic timetabling process involves the assignment of the people involved in the viva timetable into a limited number of timeslots and rooms. In order to produce a feasible timetable, we must satisfy some regulations (hard constraints), while attempting to accommodate as much as possible some preferences (soft constraints). In this work, we tackle the problem of scheduling viva presentations for the Masters degree students at FTSM-UKM as a case study. Each presentation must be attended by a chair of the school (or representative), a chair of the viva presentation, a technical committee member, a student (presenter), an internal examiner and supervisor(s). The presentation must be scheduled into a room and timeslot. In this work, we propose a new objective function to model the problem and to evaluate the quality of the timetable (schedule). We also introduce a greedy constructive heuristic to construct a valid timetable that satisfies all of the hard constraints and tries to satisfy the soft constraints as much as possible. The heuristic will assign the committee and students into an empty timetable based on a pre-ordered list of prioritized elements. These elements are ordered based on the largest enrolment: specifically a technical person who has the largest number of students enrolled under his/her supervision and examination will be ordered first in the list and is first to be assigned into the timetable. Results show that the automated timetabling solver can efficiently produce good quality timetable in reasonable time. © 2011 IEEE.

关键词： Students

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