Sim-Piece: Highly Accurate Piecewise Linear Approximation through Similar Segment Merging
Summary: Sim-Piece clusters similar PLA line segments to jointly encode them, minimizing group count to compact the PLA description and improve the space-vs-error tradeoff. Lightweight merging adds little overhead and yields >2x average compression vs prior PLA, enabling much higher accuracy at the same space. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
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Incoming Citations (Sorted by Pagerank)
Showing 6 of 6 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 3,416 | LeCo: Lightweight Compression via Learning Serial Correlations | 2024 | SIGMOD | 7.1196234e-05 |
| 5,999 | Time Series Data Mining: A Unifying View | 2023 | VLDB | 5.2415551e-05 |
| 9,149 | Serf: Streaming Error-Bounded Floating-Point Compression | 2025 | SIGMOD | 4.3849295e-05 |
| 9,915 | Camel: Efficient Compression of Floating-Point Time Series | 2024 | SIGMOD | 4.2561557e-05 |
| 10,380 | Largest Triangle Sampling for Visualizing Time Series in Database | 2025 | SIGMOD | 4.1945683e-05 |
| 10,674 | Improving Time Series Data Compression in Apache IoTDB | 2025 | VLDB | 4.1945683e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 9 of 9 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 210 | Gorilla: A Fast, Scalable, In-Memory Time Series Database | 2015 | VLDB | 0.0003404384 |
| 243 | Locally Adaptive Dimensionality Reduction for Indexing Large Time Series Databases | 2001 | SIGMOD | 0.00031074984 |
| 539 | Fast Time Sequence Indexing for Arbitrary L_p Norms | 2000 | VLDB | 0.00020666392 |
| 1,003 | Adaptive Filters for Continuous Queries over Distributed Data Streams | 2003 | SIGMOD | 0.00014698435 |
| 2,064 | Chimp: Efficient Lossless Floating Point Compression for Time Series Databases | 2022 | VLDB | 9.6418929e-05 |
| 2,140 | Online Piece-wise Linear Approximation of Numerical Streams with Precision Guarantees* | 2009 | VLDB | 9.4626098e-05 |
| 3,121 | Compressing Historical Information in Sensor Networks | 2004 | SIGMOD | 7.5271941e-05 |
| 6,859 | Frequency Domain Data Encoding in Apache IoTDB | 2023 | VLDB | 4.905867e-05 |
| 12,221 | TACO: Tunable Approximate Computation of Outliers in Wireless Sensor Networks | 2010 | SIGMOD | 4.1945683e-05 |
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