Association Rule Mining Algorithm and Analysis of Missing Values. - Jaewan Lee; Bobby D. Gerardo; Gui-Tae Kim; Jinseob Jeong (J. Inform. and Commun. Convergence Engineering, 2003)

Association Rule Discovery in Data Mining by Implementing Principal Component Analysis. - Bobby D. Gerardo; Jaewan Lee; In-ho Ra; Sang-Yong Byun (AIS, 2004)

The Association Rule Algorithm with Missing Data in Data Mining. - Bobby D. Gerardo; Jaewan Lee; Jung-sik Lee; Mingi Park; Malrey Lee (ICCSA (1), 2004)

An Agent for the HCARD Model in the Distributed Environment. - Bobby D. Gerardo; Jaewan Lee; Jae-Jeong Hwang; Jung-Eun Kim (CIS (1), 2005)

Location Management Using Hierarchical Structured Agents for Distributed Databases. - Romeo Mark A. Mateo; Bobby D. Gerardo; Jaewan Lee (CIS (1), 2005)

The K-Means Clustering Architecture in the Multi-stage Data Mining Process. - Bobby D. Gerardo; Jaewan Lee; Yeon-Sung Choi; Malrey Lee (ICCSA (2), 2005)

The Information Search System Using Neural Network and Fuzzy Clustering Based on Mobile Agent. - Jaeseon Ko; Bobby D. Gerardo; Jaewan Lee; Jae-Jeong Hwang (ICCSA (2), 2005)

Discovering Patterns Based on Fuzzy Logic Theory. - Bobby D. Gerardo; Jaewan Lee; Su-Chong Joo (ICCSA (4), 2006)

Location-Aware Agent Using Data Mining for the Distributed Location-Based Services. - Jaewan Lee; Romeo Mark A. Mateo; Bobby D. Gerardo; Sung-Hyun Go (ICCSA (5), 2006)

Intelligent Information Search Mechanism Using Filtering and NFC Based on Multi-agents in the Distributed Environment. - Subong Yi; Bobby D. Gerardo; Young-Seok Lee; Jaewan Lee (ICCSA (3), 2006)

Intelligent Search Mechanism Based on Neuro-Fuzzy System for the Distributed Object Groups. - Romeo Mark A. Mateo; Bobby D. Gerardo; Jaewan Lee (IPC, 2007)

Healthcare Expert System Based on the Group Cooperation Model. - Romeo Mark A. Mateo; Bobby D. Gerardo; Jaewan Lee (IPC, 2007)

Framework for Data Aggregation and Insurance Service in Vehicle Telematics Using Multi-agents. - Bobby D. Gerardo; Jaewan Lee; Malrey Lee (KES-AMSTA, 2007)

ALE-Compliant RFID Middleware for Mobile Environment. - Yung-Cheol Byun; Ji-Wong Byun; Sang-Yong Byun; Bobby D. Gerardo (SNPD, 2009)

A framework for discovering relevant patterns using aggregation and intelligent data mining agents in telematics systems. - Bobby D. Gerardo; Jaewan Lee (Telematics Informatics, 2009)

SMS-Based Automatic Billing System of Household Power Consumption Based on Active Experts Messaging. - Mark Dominic Cabioc; Bobby D. Gerardo; Yung-Cheol Byun (FGIT-FGCN (2), 2011)

Hierarchical Clustering and Association Rule Discovery Process for Efficient Decision Support System. - Bobby D. Gerardo; Yung-Cheol Byun; Bartolome T. Tanguilig III (FGIT-FGCN (2), 2011)

Automated Video Surveillance for Monitoring Intrusions Using Intelligent Middleware Based on Neural Network. - Ana Rhea Pangapalan; Bobby D. Gerardo; Yung-Cheol Byun; Joel T. de Castro; Francisca D. Osorio (FGIT-FGCN (2), 2011)

Predicting Faculty Performance Using Regression Model in Data Mining. - Raymond S. Bermudez; Joseph O. Manalang; Bobby D. Gerardo; Bartolome T. Tanguilig III (SERA, 2011)

A Rule-Based Fuzzy Diagnostics Decision Support System for Tuberculosis. - April Rose C. Semogan; Bobby D. Gerardo; Bartolome T. Tanguilig III; Joel T. de Castro; Louie F. Cervantes (SERA, 2011)

An Improved Data Encryption Standard to Secure Data Using Smart Cards. - Ariel M. Sison; Bartolome T. Tanguilig III; Bobby D. Gerardo; Yung-Cheol Byun (SERA, 2011)

Data Extraction Using Preprocessing Compression Based on LZW to Improve DB Performance. - Bartolome T. Tanguilig III; Ariel M. Sison; Bobby D. Gerardo; Yung-Cheol Byun (SERA, 2011)

Ultrasonic Key Recognition: Security Algorithm for Pre-composed High Frequency Sound as a Mode of Unlocking a Security Lock. - Jeric Ryan R. De Josef; Bobby D. Gerardo; Ma. Beth S. Concepcion; Kyle Gabriel V. Oreta; Yung-Cheol Byun (ACIS-ICIS, 2012)

A Rule-based Parallel Processing to Speed-Up an Application. - Jo Ryan Basco; Bobby D. Gerardo; Cyreneo Dofitas Jr.; Yung-Cheol Byun (CEC, 2012)

Decision support system for agricultural management using prediction algorithm. - Mark Ian Animas; Yung-Cheol Byun; Bobby D. Gerardo; Ma. Beth S. Concepcion (ICIS, 2013)

Discovering usage patterns of telecommunication subscribers based on polytomous logistic regression. - Rosmina Joy Cabauatan; Bobby D. Gerardo (ICCIP, 2016)

Towards enhanced hierarchical attention networks in ICD-9 tagging of clinical notes. - Mary Jane C. Samonte; Bobby D. Gerardo; Ruji P. Medina (ICCIP, 2017)

Predicting Classification of Telecommunication Subscribers Based on Polytomous Logistic Regression Usage Model. - Rosmina Joy Cabauatan; Bobby D. Gerardo (ICMLC, 2017)

A Unique One-Time Password Table Sequence Pattern Authentication: Application to Bicol University Union of Federated Faculty Association, Inc. (BUUFFAI) eVoting System. - Benedicto B. Balilo Jr.; Bobby D. Gerardo; Ruji P. Medina; Yung-Cheol Byun (CoRR, 2017)

Cover Image Selection Technique for Secured LSB-based Image Steganography. - Mark Rennel D. Molato; Bobby D. Gerardo (ACAI, 2018)

Towards academic affect modeling through experimental hybrid gesture recognition algorithm. - Mideth B. Abisado; Bobby D. Gerardo; Larry A. Vea; Ruji P. Medina (DSIT, 2018)

A hybrid approach towards improved artificial neural network training for short-term load forecasting. - Cielito C. Olegario; Andrei D. Coronel; Ruji P. Medina; Bobby D. Gerardo (DSIT, 2018)

ICD-9 Tagging of Clinical Notes Using Topical Word Embedding. - Mary Jane C. Samonte; Bobby D. Gerardo; Arnel C. Fajardo; Ruji P. Medina (ICIEB, 2018)

Using a Modified Approach of Blowfish Algorithm for Data Security in Cloud Computing. - Reynaldo R. Corpuz; Bobby D. Gerardo; Ruji P. Medina (ICIT, 2018)

A Modified Approach of Blowfish Algorithm Based On S-Box Permutation using Shuffle Algorithm. - Reynaldo R. Corpuz; Bobby D. Gerardo; Ruji P. Medina (ICNCC, 2018)

Enhancing Inverse Ant Algorithm using Path Elimination Rules. - Jaymer M. Jayoma; Bobby D. Gerardo; Ruji P. Medina (ICNCC, 2018)

Inverse Ant Algorithm. - Jaymer M. Jayoma; Bobby D. Gerardo; Ruji Medina (MIWAI, 2018)

A correlation analysis of the sentiment analysis scores and numerical ratings of the students in the faculty evaluation. - Jay-ar P. Lalata; Bobby D. Gerardo; Ruji Medina (AIPR, 2019)

Fuzzy decision tree for breast cancer prediction. - Mylene J. Domingo; Bobby D. Gerardo; Ruji P. Medina (AISS, 2019)

Implementation of Enhanced Secure Hash Algorithm Towards a Secured Web Portal. - Froilan E. De Guzman; Bobby D. Gerardo; Ruji P. Medina (ICCCS, 2019)

A Secure Image Encryption Architecture Based on Pseudorandom Number Generator and Chaotic Logistic Map. - Manocher C. Alipour; Bobby D. Gerardo; Ruji P. Medina (DSIT, 2019)

Relocating Local Outliers Produced by Partitioning Methods. - Rogelio O. Badiang Jr.; Bobby D. Gerardo; Ruji P. Medina (ICCBD, 2019)

Filter Selection Methods for Multiclass Classification. - Rhodessa J. Cascaro; Bobby D. Gerardo; Ruji P. Medina (ICCBD, 2019)

Applying Modified SHA256 on Blockchain using Challenge Response and Off-chain Signatures Patterns. - Maria Rona Perez; Bobby D. Gerardo; Ruji Medina (ICGSP, 2019)

Aggregating Filter Feature Selection Methods to Enhance Multiclass Text Classification. - Rhodessa J. Cascaro; Bobby D. Gerardo; Ruji P. Medina (ICIT, 2019)

Feasibility Assessment on the Implementation of the Enhanced XXTEA on IoT Devices. - Elbert M. Galas; Bobby D. Gerardo (ICSET, 2019)

Fuzzy Rule Based Inference System in Patient Diagnosis of Breast Tumor in Fine Needle Aspiration. - Mylene J. Domingo; Bobby D. Gerardo; Ruji P. Medina (BDET, 2020)

LSB Substitution Image Steganography Based on Randomized Pixel Selection and One-Time Pad Encryption. - Manocher C. Alipour; Bobby D. Gerardo; Ruji P. Medina (BDSIC, 2020)

Key Generation for Zero Steganography Using DNA Sequences. - Zhella Anne Nisperos; Bobby D. Gerardo; Alexander A. Hernandez (ECAI, 2020)

Self-Organizing Map with Nguyen-Widrow Initialization Algorithm for groundwater Vulnerability Assessment. - Maureen Nettie Linan; Bobby D. Gerardo; Ruji Medina (Int. J. Comput., 2020)

COVID-19 Outbreaks Effect on Air Quality Index: Evidence from Enhanced Artificial Neural Network. - Mary Joy D. Viñas; Bobby D. Gerardo; Ruji P. Medina; Mark Jovic A. Daday (ICCCS, 2023)

Twitter Sentiment Analysis with Maximum Entropy and Naive Bayes Using N -gram Approach. - Guilbert Nicanor A. Atillo; Bobby D. Gerardo; Ruji P. Medina (ICIMTech, 2023)

Decoding Sentiment: An Enhanced PCA in Tagalog Speech Using Prosodic Suprasegmental Features. - Ailen B. Garcia; Bobby D. Gerardo; Ruji P. Medina (ICTC, 2024)

Optimized Sentiment Analysis in Tagalog Speech Using PCA and BRNN on Prosodic Suprasegmental and MFCC Features. - Ailen B. Garcia; Bobby D. Gerardo; Ruji P. Medina (ICTC, 2024)

Performance Evaluation of Enhanced DCGAN s for Detecting Deepfake Audio Across Selected FoR Datasets. - Jovelin M. Lapates; Bobby D. Gerardo; Ruji P. Medina (ICTC, 2024)

Spectrogram-Based Analysis and Detection of Deepfake Audio Using Enhanced DCGANs for Secure Content Distribution. - Jovelin M. Lapates; Bobby D. Gerardo; Ruji P. Medina (ICTC, 2024)

Active Learning with Adaptive Reinforcement for Informative Sample Selection in Few-Shot Image Classification. - Jassiel I. Padios; Bobby D. Gerardo; Ruji P. Medina (ITCC, 2024)

Time Series Forecasting of HIV/AIDS in the Philippines Using Deep Learning: Does COVID-19 Epidemic Matter? - Sales G. Aribe Jr.; Bobby D. Gerardo; Ruji P. Medina (CoRR, 2024)