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Search: "[ author: Hyun Ahn ]" (9)

1. An Accurate Cryptocurrency Price Forecasting using Reverse Walk-Forward Validation

Hyun Ahn, Baekcheol Jang, Vol. 23, No. 4, pp. 45-55, Aug. 2022
10.7472/jksii.2022.23.4.45
Keywords: Cryptocurrency, Price Prediction, Machine Learning
2. An LSTM Neural Network Model for Forecasting Daily Peak Electric Load of EV Charging Stations

Haesung Lee, Byungsung Lee, Hyun Ahn, Vol. 21, No. 5, pp. 119-127, Oct. 2020
10.7472/jksii.2020.21.5.119
Keywords: EV, Peak electric load, Load forecasting, Deep Learning, LSTM
3. LSTM-based Business Process Remaining Time Prediction Model Featured in Activity-centric Normalization Techniques

Seong-Hun Ham, Hyun Ahn, Kwanghoon Pio Kim, Vol. 21, No. 3, pp. 83-92, Jun. 2020
10.7472/jksii.2020.21.3.83
Keywords: predictive process monitoring, remaining time prediction, LSTM model, Deep Learning, Process Mining
4. Tailoring Operations based on Relational Algebra for XES-based Workflow Event Logs

Jaeyoung Yun, Hyun Ahn, Kwanghoon Pio Kim, Vol. 20, No. 6, pp. 21-28, Dec. 2019
10.7472/jksii.2019.20.6.21
Keywords: Workflow, Process Mining, XES, relational algebra, Event Log
5. HBase based Business Process Event Log Schema Design of Hadoop Framework

Seonghun Ham, Hyun Ahn, Kwanghoon Pio Kim, Vol. 20, No. 5, pp. 49-55, Oct. 2019
10.7472/jksii.2019.20.5.49
Keywords: Workflow Process, NoSQL, Process Mining, Event Log, Hadoop, Process Discovery
6. Disjunctive Process Patterns Refinement and Probability Extraction from Workflow Logs

Kyoungsook Kim, Seonghun Ham, Hyun Ahn, Kwanghoon Pio Kim, Vol. 20, No. 3, pp. 85-92, Jun. 2019
10.7472/jksii.2019.20.3.85
Keywords: Workflow Process; Process Patterns, Proportional Information Control Nets, Workflow Logs, Temporal Work cases, Fidelity of Workflow Process, Model-Log Comparison, Workflow Intelligence. and Analytics
7. Defining and Discovering Cardinalities of the Temporal Workcases from XES-based Workflow Logs

Jaeyoung Yun, Hyun Ahn, Kwanghoon Pio Kim, Vol. 20, No. 3, pp. 77-84, Jun. 2019
10.7472/jksii.2019.20.3.77
Keywords: Workflow, workflow discovery, workflow rediscovery, workcase cardinality, workflow execution log, XES
8. Discovering Temporal Work Transference Networks from Workflow Execution Logs

Dinh-Lam Pham, Hyun Ahn, Kwanghoon Pio Kim, Vol. 20, No. 2, pp. 101-108, Apr. 2019
10.7472/jksii.2019.20.2.101
Keywords: Workflow management system, work transference network, execution logs, temporal workcases
9. A Cloud Workflow Model Based on the Information Control Net

Kai Sun, Hyun Ahn, Kwanghoon Pio Kim, Vol. 19, No. 3, pp. 25-33, Jun. 2018
10.7472/jksii.2018.19.3.25
Keywords: cloud computing environments, workflow models, information control nets, cloud service deployment models, cloud workflow architectures, cloud workflow services