Conference Papers
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A sustainability framework of river-based tourism in Panay Island
(Taylor’s University Sdn Bhd, 2019)This study aimed to determine the impacts of river-based tourism destinations sustainability of Panay Island in terms of economic viability, socio-cultural equity, and environmental conservation. The study used a quantitative ... -
Relocating local outliers produced by K-means and K-medoids using local outlier rectifier V. 2.0
; Gerardo, Bobby
; Medina, Ruji (Institute of Electrical and Electronics Engineers Inc., 2020-02-06)
The extensive growth in the field of information and communication technology allows easy capture of massive amounts of valuable data in different areas. These data are used in various data mining techniques. However, in ... -
Modified adaptive synthetic SMOTE to improve classification performance in imbalanced datasets
Gameng, Hazel A.; Gerardo, Bobby D. ; Medina, Ruji P. (Institute of Electrical and Electronics Engineers Inc., 2020-06-16)
The oversampling technique in the data preprocessing has been utilized to mitigate the imbalanced data problem in the real research scenario. This imbalance may reduce the ability of classification algorithms to recognize ... -
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)
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 ... -
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)
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; ... -
Using a modified approach of blowfish algorithm for data security in cloud computing
; Gerardo, Bobby D.; Medina, Ruji P. (Association for Computing Machinery, 2018-12-29)
Cloud computing brought remarkable potential changes and excellent opportunities to the information technology industry. It is particularly useful in most of the networked transactions. Cloud computing common issue problems ... -
Analysis of key randomness in improved one-time pad cryptography
; Gerardo, Bobby D.; 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 ... -
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)
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 ... -
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)
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 ... -
Modeling the Philippine cities' competitiveness toward a sustained development amid COVID-19 pandemic
Flores, Reymund B. (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 ... -
Lie algebra representation of the 1+1-dimensional affine Poincaré group via deformation quantization
Balsomo, Alexander J.; (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 ... -
Hierarchical clustering and association rule discovery process for efficient decision support system
Gerardo, Bobby; ; (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 ... -
A modified Otsu-based image segmentation algorithm (OBISA)
Unajan, Magdalene C.; 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 ... -
Neural network model using back-propagation algorithm with momentum term for credit risk evaluation system
; Gerardo, Bobby; (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 ...
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