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- W4297665352 abstract "Typical legacy information systems store data in relational databases. Process mining is a research discipline that analyzes this data to obtain insights into processes. Many different process mining techniques can be applied to data. In current techniques, an XES event log serves as a basis for analysis. However, because of the static characteristic of an XES event log, we need to create one XES file for each process mining question, which leads to overhead and inflexibility. As an alternative, people attempt to perform process mining directly on the data source using so-called intermediate structures. In previous work, we investigated methods to build intermediate structures on source data by executing a basic SQL query on the database. However, the nested form in the SQL query can cause performance issues on the database side. Therefore, in this paper, we propose a native SQL operator for direct process discovery on relational databases. We define a native operator for the simplest form of the intermediate structure, called the directly follows relation. This approach has been evaluated with big event data and the experimental results show that it performs faster than the state-of-the-art of database approaches." @default.
- W4297665352 created "2022-09-30" @default.
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- W4297665352 date "2018-06-05" @default.
- W4297665352 modified "2023-09-30" @default.
- W4297665352 title "Native Directly Follows Operator" @default.
- W4297665352 doi "https://doi.org/10.48550/arxiv.1806.01657" @default.
- W4297665352 hasPublicationYear "2018" @default.
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