An efficient method for mining sequential patterns with indices

HM Huynh, LTT Nguyen, NN Pham… - Knowledge-Based …, 2022 - Elsevier
In recent years, mining informative data and discovering hidden information have become
increasingly in demand. One of the popular means to achieve this is sequential pattern …

VEPRECO: Vertical databases with pre-pruning strategies and common candidate selection policies to fasten sequential pattern mining

N Mordvanyuk, A Bifet, B López - Expert Systems with Applications, 2022 - Elsevier
Sequential pattern mining (SPM) discovers, from event transactions recorded along time,
patterns of events fulfilling a sequential order. In this work, we introduce a new efficient …

Privately vertically mining of sequential patterns based on differential privacy with high efficiency and utility

W Liang, W Zhang, S Liang, C Yuan - Scientific Reports, 2023 - nature.com
Sequential pattern mining is one of the fundamental tools for many important data analysis
tasks, such as web browsing behavior analysis. Based on frequent patterns, decision …

Mining Top-K High Utility Itemset Using Bio-Inspired Algorithms

NN Pham, ZK Oplatková, HM Huynh… - 2022 IEEE Workshop on …, 2022 - ieeexplore.ieee.org
High utility itemset (HUI) mining is a necessary research problem in the field of knowledge
discovery and data mining. Many algorithms for Top-K HUI mining have been proposed …

Mining Top-K High Utility Itemsets Using Bio-Inspired Algorithms with a Diversity within Population Framework

NN Pham, ZK Oplatková, HM Huynh… - 2022 RIVF International …, 2022 - ieeexplore.ieee.org
High-utility itemset mining (HUIM), as a necessary data mining task, has paid the attention of
many researchers. It includes numerous applications in various arears. Recently, a method …

Symbolic coping: Young people's perspectives during the Covid-19 pandemic in three Central European countries

BP Puhrová, I Lukšík, R Scheitel - Human Affairs, 2022 - degruyter.com
The aim of this study was to find out what interpretive repertoires young people use in the
symbolic management of the pandemic. Qualitative research using several methods on a …