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Path Caching: A Technique for Optimal External Searching (Extended Abstract)

Summary: Path caching: a method to convert internal 2D search structures (segment/interval/priority search trees) into external I/O-efficient indexes achieving optimal query I/O O(log_B n + t/B) for 2-sided searches. Small space overhead O((n/B) log_B log_2 B), supports dynamic updates in amortized O(log_B n), and extends to optimal 3-sided queries with modest extra storage/update cost. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
1013
Venue
PODS
Year
1994
Pagerank
9.7928688e-05
Overall Rank
2,013 | 86.00%
DOI
-

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