به نام خدا
Title: Comparative Study of Traditional Requirement Engineering and Agile Requirement Engineering
Authors: Asma Batool , Yasir Hafeez Motla , Bushra Hamid , Sohail Asghar, Muhammad Riaz , Mehwish Mukhtar, Mehmood Ahmed
Abstract: Traditional RE and Agile RE are two different approaches on the basis of their planning and control mechanism. This Paper distinguishes the Traditional RE and Agile RE. Furthermore it investigates the reasons for which software industries shifted from Traditional RE to Agile RE. Research is carried out by conducting a literature study and finally a case study of software development to evaluate which approach has better success rate than other. With the help of our finding and results we have evaluated that Agile RE performs better than Traditional RE in large organizations where changes evolve throughout the development phase of software life cycle. Keywords- Requirement Engineering , Traditional Requirement Engineering, Agile Requirement Engineering, Scrum, Extreme Programming, Obj ect Oriented Development, Requirement Elicitation, Requirement Analysis, Requirement Management, Software Requirement Specification.
Publish Year: 2013
Published in: ICACT – IEEE
موضوع: مهندسی نرم افزار
ایران سای – مرجع علمی فنی مهندسی
حامی دانش بومی ایرانیان
به نام خدا
Title: Large nonadiabatic quantum molecular dynamics simulations on parallel computers
Authors: Fuyuki Shimojo , Satoshi Ohmura , Weiwei Mou , Rajiv K Kalia , Aiichiro Nakano , Priya Vashishta
Abstract: Wehave implemented a quantummolecular dynamics simulation incorporating nonadiabatic electronic transitions on massively parallel computers to study photoexcitation dynamics of electrons and ions. The nonadiabatic quantum molecular dynamics (NAQMD) simulation is based on Casida s linear response time-dependent density functional theory to describe electronic excited states and Tully s fewest- switches surface hopping approach to describe nonadiabatic electron ion dynamics. To enable large NAQMD simulations, a series of techniques are employed for efficiently calculating long-range exact exchange correction and excited-state forces. The simulation programis parallelized using hybrid spatial and band decomposition, and is tested for various materials.
Publish Year: 2013
Published in: Computer Physics Communications - Science Direct
موضوع: محاسبات کوانتوم (Quantum Computing )
ایران سای – مرجع علمی فنی مهندسی
حامی دانش بومی ایرانیان
به نام خدا
Title: Molecular solutions of the RSA public-key cryptosystem on a DNA-based computer
Authors: WengLong Chang Kawuu Weicheng Lin JuChin Chen ChihChiang Wang Lai Chin Lu Minyi Guo Michael ShanHui Ho
Abstract: The RSA public-key cryptosystem is an algorithm that converts a plain-text to its corresponding cipher-text, and then converts the cipher-text back into itscorresponding plain-text. In this article, we propose five DNA-based algorithms-parallel adder, parallel subtractor, parallel multiplier, parallel comparator, and parallelmodular arithmetic-that construct molecular solutions for any (plain-text, cipher-text) pair for the RSA public-key cryptosystem.
Publish Year: 2012
Published in: The Journal of Supercomputing - Springer
موضوع: رمزنگاری کلید عمومی (Public Key Cryptography)، محاسبات کوانتوم (Quantum Computing)
ایران سای – مرجع علمی فنی مهندسی
حامی دانش بومی ایرانیان
به نام خدا
Title: Efficient and dynamic key management for multiple identities in identity-based systems
Authors: Hua Guo , Chang Xu a , Zhoujun Li a , Yanqing Yao a , Yi Mu
Abstract: The traditional identity-based cryptography requires a user, who holds multiple identities, to hold multiple private keys, where each private key is associated with an identity. Man- aging multiple private/public keys is a heavy burden to a user due to key management and storage. The recent advancement of identity-based cryptography allow a single private key to map multiple public keys (identities); therefore the private key management is simpli- fied. Unfortunately, the existing schemes capturing this feature do not allow dynamic changes of identities and have a large data size proportional to the number of the associ- ated identities. To overcome these problems, in this paper, we present an efficient and dynamic identity-based key exchange protocol and prove its security under the Bilinear Diffie Hellman assumption in the random oracle model. Our protocol requires a relatively small bandwidth for a key agreement communication, in comparison with other existing schemes.
Publish Year: 2013
Published in: Information Sciences - Science Direct
موضوع: رمزنگاری
ایران سای – مرجع علمی فنی مهندسی
حامی دانش بومی ایرانیان
به نام خدا
Title: Vertical-Edge-Based Car-License-Plate Detection Method
Authors: Abbas M AlGhaili, Syamsiah Mashohor, Abdul Rahman Ramli, and Alyani Ismail
Abstract: This paper proposes a fast method for car-license-plate detection (CLPD) and presents three main contributions.The first contribution is that we propose a fast vertical edgedetection algorithm (VEDA) based on the contrast between thegrayscale values, which enhances the speed of the CLPD method.After binarizing the input image using adaptive thresholding (AT),an unwanted-line elimination algorithm (ULEA) is proposed toenhance the image, and then, the VEDA is applied. The sec-ond contribution is that our proposed CLPD method processesvery-low-resolution images taken by a web camera. After thev ertical edges have been detected by the VEDA, the desired platedetails based on color information are highlighted. Then, thecandidate region based on statistical and logical operations will beextracted. Finally, an LP is detected. The third contribution is thatwe compare the VEDA to the Sobel operator in terms of accuracy,algorithm complexity, and processing time. The results show accu-rate edge detection performance and faster processing than Sobelby five to nine times. In terms of complexity, a big-O-notationmodule is used and the following result is obtained: The VEDAhas less complexity byK2 times, whereasK2 represents the masksize of Sobel. Results show that the computation time of the CLPDmethod is 47.7 ms, which meets the real-time requirements.
Publish Year: 2013
Publisher: IEEE TRANS-VEHICULAR TECHNOLOGY
موضوع: پردازش تصویر
ایران سای – مرجع علمی فنی مهندسی
حامی دانش بومی ایرانیان
