. . . . "2026-03-07"^^ . . "DGGS Benchmark Outcome: Claim Partially Supported" . "The claim \"Effect of DGGS Indexing on Associating Vector and Raster \r\nGeospatial Data\" is PARTIALLY SUPPORTED.\r\n\r\nVECTOR BENCHMARK (Figure 6): VALIDATED\r\nDGGS provides orders of magnitude performance improvement over traditional \r\nvector overlay operations. At 20 layers, DGGS was 16,000x faster than \r\nvector methods.\r\n\r\nRASTER BENCHMARK (Figure 7): PARTIALLY SUPPORTED\r\nThe paper's claim of \"roughly equivalent performance\" holds when comparing \r\nclassification time with pre-indexed DGGS data. However, on-the-fly H3 \r\nindexing adds significant overhead. The replication using xdggs shows \r\nvectorized indexing reduces this overhead by ~100x." . . "VECTOR BENCHMARK RESULTS:\r\n| Layers | DGGS | Vector | Speedup |\r\n|--------|----------|----------|----------|\r\n| 5 | 0.01s | 0.4s | 40x |\r\n| 10 | 0.015s | 10s | 670x |\r\n| 20 | 0.03s | 400s | 16,000x |\r\n\r\nDGGS shows near-linear scaling; vector shows super-linear growth.\r\nThis validates the paper's Figure 6.\r\n\r\nRASTER BENCHMARK RESULTS (100 layers):\r\n| Method | Time |\r\n|---------------------|---------|\r\n| Raster (NumPy) | 0.02s |\r\n| DGGS Pre-indexed | 0.01s | ← Paper's scenario: VALIDATED\r\n| DGGS + H3 loop | 5.0s | ← Includes slow indexing\r\n| DGGS + xdggs | 0.05s | ← Replication: 100x faster indexing\r\n\r\nThe pre-indexed scenario matches the paper's methodology and validates \r\nthe claim of equivalent performance." . "- Vector benchmark tested up to 100 layers (paper used 500)\r\n- Raster pre-indexed scenario simulates but doesn't exactly replicate \r\n Apache Parquet + Polars implementation\r\n- Missing random misalignment (\"jittering\") from original methodology\r\n- Single hardware configuration tested" . . . . . "Anne Fouilloux" . "2026-03-13T14:34:23.913Z"^^ . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWv2pJnmDsBOq8OlT1aSvYXSuWT34WOp4FYqEzdnn2F0kqzcFevBqWGZDxJWC0lqCrDEuNfp2QFyPe/+nES9dlHGYIhqPi68fwK6ZiNUotRFxXou+rjFznVvUxtCL8Ede79EBHwWN61QtwSIcU12bLoZsNPFlqQASQ93BJuKlihwIDAQAB" . "Z71TMSOQYiGbHu7/Ds9GhQTvme78F6/2BzJq1ztWJmqF9KxqTlag97ruOsdB9z9upzhsQdYm4IwXttG2LBjiPN/OX0rOByxhVmmWBp8WbDvQrXhdS/Sk0b3BVAQl+cMxOcTyisN0zVCQKkQSDd22Matht0G+1pSPg35YbzFshYs=" . . .