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Chunking Strategy Evaluation for RAG on QASC Evaluation Set (5-fold cross-validation)
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85
Precision
QASC
69.4
73.45
77.5
81.55
Apr 29, 2026
Precision
Recall
F1-Score
Answer Correctness
Faithfulness
Updated 9d ago
Evaluation Results
Method
Method
Links
Precision
Recall
F1-Score
Answer Correctness
Faithfulness
QASC
Latency (ms)=380 ± 50
2026.04
85
83
85
80
87
Semantic Chunking
Latency (ms)=340 ± 45
2026.04
78
75
76
72
79
Agentic Chunking
Latency (ms)=2,850 ± 620
2026.04
76
73
74
70
77
Fixed
Chunk Size=500, Latenc...
2026.04
74
70
72
67
74
Recursive Splitting
Latency (ms)=118 ± 13
2026.04
74
71
72
68
75
Fixed
Chunk Size=700, Latenc...
2026.04
73
69
71
66
72
Fixed
Chunk Size=300, Latenc...
2026.04
72
68
70
65
73
Fixed
Chunk Size=1000, Laten...
2026.04
71
67
69
64
70
Fixed
Chunk Size=150, Latenc...
2026.04
70
65
67
62
71
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