{"id":"ddfada1e-b45b-4102-8792-e2bffb514c40","arxiv_id":"2505.13945","paper_version":1,"verdict":"CONDITIONAL","confidence":"HIGH","novelty_score":6.0,"correctness_risk":"medium","formal_verification":"none","parameter_count":4,"one_line_summary":"GapFilter uses sequence-number-only matching and a civilian-suspect bucket split to detect major per-flow sequence gaps, beating a Cuckoo-filter baseline in F1, speed, and memory.","lead":"This paper defines a new data-stream monitoring task: detecting flow gaps, or sudden jumps in sequence numbers within one flow. It introduces GapFilter, a compact sketch that matches items by sequence number instead of storing flow IDs, and reports large accuracy and memory gains over a Cuckoo-filter baseline.","discovery_kind":"new_method","skeptic_critique":null,"referee_report":null,"author_rebuttal":null,"desk_editor":null,"rs_alignment":null,"lean_confirmation":null,"pith_extraction":null,"created_at":"2026-08-07T15:44:49.294902+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":null,"supporting_citations":[],"review_version":1}