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Lie algebra representation of the 1+1-dimensional affine Poincaré group via deformation quantization
Balsomo, Alexander J. 
; (Samahang Pisika ng Pilipinas, 2021-08-26)
; (Samahang Pisika ng Pilipinas, 2021-08-26)
In this work, we illustrate an explicit construction of the Lie algebra representations of the 1+1-dimensional affine Poincaré group on the cotangent bundle of cones as its coadjoint orbit. Our main construction tool is ...
Neural network model using back-propagation algorithm with momentum term for credit risk evaluation system
; Gerardo, Bobby ; (The SCIence and Engineering Institute (SCIEI), 2016)
; (The SCIence and Engineering Institute (SCIEI), 2016)
This paper present the results of an experiment made with the aid of KangarooBPNN, a graphical user interface software in order to find the Mean Squared Error (MSE) of a supervised neural network model. In the previous ...
A modified Otsu-based image segmentation algorithm (OBISA)
Unajan, Magdalene C. ; Gerardo, Bobby D. ; Medina, Ruji P. (Newswood Limited, 2019-03-13)
; Gerardo, Bobby D. ; Medina, Ruji P. (Newswood Limited, 2019-03-13)
Image thresholding is usually a preprocessing step in a number of image processing algorithms. The segmented images are input for image analyses, computer vision, and visualizations and object representation. Otsu thresholding ...
Hierarchical clustering and association rule discovery process for efficient decision support system
Gerardo, Bobby ; ; (Springer-Verlag Berlin Heidelberg, 2011)
; ; (Springer-Verlag Berlin Heidelberg, 2011)
This paper proposed a model based on hierarchical Clustering and Association Rule, which is intended for decision support system. The proposed system is intended to address the shortcomings of other data mining tools on ...
Modeling the Philippine cities' competitiveness toward a sustained development amid COVID-19 pandemic
Flores, Reymund B. (Department of Trade and Industry, 2020)
(Department of Trade and Industry, 2020)
Cities and urban centers are viewed as drivers of regional and national development. The COVID19 pandemic and the subsequent enhanced community quarantine (ECQ) implemented by the Philippine government and related public ...
Current situation and challenges for mental health focused on treatment and care in Japan and the Philippines - Highlights of the training program by the National Center for Global Health and Medicine
Estrada, Crystal Amiel ; Usami, Masahide ; Satake, Naoko ; Gregorio, Ernesto Jr ; Leynes, Cynthia ; ; ; ; ; Tsujii, Noa ; ; Masuya, Jiro ; ; Kawahara, Kazuhiro ; ; ; Kobayashi, Jun (BioMed Central Ltd, 2020-08-03)
; Usami, Masahide ; Satake, Naoko ; Gregorio, Ernesto Jr ; Leynes, Cynthia ; ; ; ; ; Tsujii, Noa ; ; Masuya, Jiro ; ; Kawahara, Kazuhiro ; ; ; Kobayashi, Jun (BioMed Central Ltd, 2020-08-03)
Background and purpose:
Mental health has emerged as an important public health concern in recent years. With a high proportion of children and adolescents affected by mental disorders, it is important to ensure that ...
Decision support system for agricultural management using prediction algorithm
; Byun, Yung-Cheol ; Gerardo, Bobby D. ; Concepcion, Ma. Beth (Institute of Electrical and Electronics Engineers Inc., 2013-09-26)
; Gerardo, Bobby D. ; Concepcion, Ma. Beth (Institute of Electrical and Electronics Engineers Inc., 2013-09-26)
Currently climate change is one of the major problems encountered due to the climatic controls interacting in various intensities and in different combinations. The proposed system includes mechanism that accepts/processes ...
The performance of Blum-Blum-Shub elliptic curve pseudorandom number generator as WiFi protected access 2 security key generator
Omorog, Challiz D. ; Gerardo, Bobby D. ; Medina, Ruji P. (Association for Computing Machinery, 2018-09-20)
; Gerardo, Bobby D. ; Medina, Ruji P. (Association for Computing Machinery, 2018-09-20)
WiFi Protected Access 2 (WPA2) is considered the most secure network security protocol in wireless routers, despite the discovery of partial key exposure vulnerability. In light of, an experiment was conducted to investigate ...
Analysis of key randomness in improved one-time pad cryptography
; Gerardo, Bobby D. ; Medina, Ruji P. (IEEE Computer Society, 2019-12-09)
; Medina, Ruji P. (IEEE Computer Society, 2019-12-09)
In cryptography, one-time pad (OTP) is claimed to be the perfect secrecy algorithm in several works if all of its features are applied correctly. Its secrecy depends mostly on random keys, which must be truly random and ...
A modified approach of blowfish algorithm based on S-box permutation using shuffle algorithm
Corpuz, Reynaldo R. ; Gerardo, Bobby D. ; Medina, Ruji P. (Association for Computing Machinery, 2018-12-14)
; Gerardo, Bobby D. ; Medina, Ruji P. (Association for Computing Machinery, 2018-12-14)
Blowfish Algorithm has been widely analyzed and gradually accepted as a good and powerful cryptographic algorithm offering several advantages among which is suitability and efficiency for implementing hardware and software; ...