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- W4386298223 abstract "Schema profiling consists in producing key insights about the schema of data in a high-variety context. In this paper, we present a streaming approach to schema profiling, where heterogeneous data is continuously ingested from multiple sources, as is typical in many IoT applications (e.g., with multiple devices or applications dynamically logging messages). The produced profile is a clustering of the schemas extracted from the data and it is computed and evolved in real-time under the overlapping sliding window paradigm. The approach is based on two-phase k-means clustering, which entails pre-aggregating the data into a coreset and incrementally updating the previous clustering results without recomputing it in every iteration. Differently from previous proposals, the approach works in a domain where dimensionality is variable and unknown apriori, it automatically selects the optimal number of clusters, and detects cluster evolution by minimizing the need to recompute the profile. The experimental evaluation demonstrated the effectiveness and efficiency of the approach against the naïve baseline and the state-of-the-art algorithms on stream clustering." @default.
- W4386298223 created "2023-08-31" @default.
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- W4386298223 date "2023-01-01" @default.
- W4386298223 modified "2023-10-01" @default.
- W4386298223 title "Streaming Approach to Schema Profiling" @default.
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- W4386298223 doi "https://doi.org/10.1007/978-3-031-42941-5_19" @default.
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