{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:TQW7JONQEXIH44BUOJS277KTII","short_pith_number":"pith:TQW7JONQ","canonical_record":{"source":{"id":"1107.5930","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-07-29T11:03:38Z","cross_cats_sorted":[],"title_canon_sha256":"a802bcc4184bb713e183f544e5a145a5bb2581834c768ce4de06f6770c34c614","abstract_canon_sha256":"f44eb7144da9681840e2377822a53cfbb2be623a96df275e3b8a0bb0bcd38cae"},"schema_version":"1.0"},"canonical_sha256":"9c2df4b9b025d07e70347265affd534218754d7e9fabcf03f7c99efff283b1d2","source":{"kind":"arxiv","id":"1107.5930","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.5930","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1107.5930v1","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.5930","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"TQW7JONQEXIH","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TQW7JONQEXIH44BU","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TQW7JONQ","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:TQW7JONQEXIH44BUOJS277KTII","target":"record","payload":{"canonical_record":{"source":{"id":"1107.5930","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-07-29T11:03:38Z","cross_cats_sorted":[],"title_canon_sha256":"a802bcc4184bb713e183f544e5a145a5bb2581834c768ce4de06f6770c34c614","abstract_canon_sha256":"f44eb7144da9681840e2377822a53cfbb2be623a96df275e3b8a0bb0bcd38cae"},"schema_version":"1.0"},"canonical_sha256":"9c2df4b9b025d07e70347265affd534218754d7e9fabcf03f7c99efff283b1d2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:40.215032Z","signature_b64":"TEmNrK+EoWiamxpFwm+sE1OvI3fV8j0zf1j9wwnKz9s64KuBUiKrWLYLUHwlW1buMgHBeS+AXskbg5PWxq9LBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c2df4b9b025d07e70347265affd534218754d7e9fabcf03f7c99efff283b1d2","last_reissued_at":"2026-05-18T04:16:40.214388Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:40.214388Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.5930","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pVlU67Om790svBVFuHvPQUcZhsy/1F/h73Chchn6rshe1xCcyxr3rHt9LoffSLjEjjgi2DefKnF6dvtCBR1sDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:24:33.654772Z"},"content_sha256":"7e9b27d44b1df0b3757b9f16a52a7b174b94e0e1c93b4fde4b384d98cc923aef","schema_version":"1.0","event_id":"sha256:7e9b27d44b1df0b3757b9f16a52a7b174b94e0e1c93b4fde4b384d98cc923aef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:TQW7JONQEXIH44BUOJS277KTII","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Technical Note: Towards ROC Curves in Cost Space","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"C\\`esar Ferri, Jos\\'e Hern\\'andez-Orallo, Peter Flach","submitted_at":"2011-07-29T11:03:38Z","abstract_excerpt":"ROC curves and cost curves are two popular ways of visualising classifier performance, finding appropriate thresholds according to the operating condition, and deriving useful aggregated measures such as the area under the ROC curve (AUC) or the area under the optimal cost curve. In this note we present some new findings and connections between ROC space and cost space, by using the expected loss over a range of operating conditions. In particular, we show that ROC curves can be transferred to cost space by means of a very natural way of understanding how thresholds should be chosen, by select"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.5930","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NpTYGDEvaHXBFH5mhI8AgVU1HuQ5rGDm+dKvghwTHS9gvmqM4EAnNPmY1l7wL9YOEWQAKpcyU4aSJjZyelHpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:24:33.655120Z"},"content_sha256":"8467f1670bab924e7d121b086bd7ca79e64ab86b032364d77b8ad8ba0693a5f8","schema_version":"1.0","event_id":"sha256:8467f1670bab924e7d121b086bd7ca79e64ab86b032364d77b8ad8ba0693a5f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQW7JONQEXIH44BUOJS277KTII/bundle.json","state_url":"https://pith.science/pith/TQW7JONQEXIH44BUOJS277KTII/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQW7JONQEXIH44BUOJS277KTII/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T07:24:33Z","links":{"resolver":"https://pith.science/pith/TQW7JONQEXIH44BUOJS277KTII","bundle":"https://pith.science/pith/TQW7JONQEXIH44BUOJS277KTII/bundle.json","state":"https://pith.science/pith/TQW7JONQEXIH44BUOJS277KTII/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQW7JONQEXIH44BUOJS277KTII/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:TQW7JONQEXIH44BUOJS277KTII","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f44eb7144da9681840e2377822a53cfbb2be623a96df275e3b8a0bb0bcd38cae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-07-29T11:03:38Z","title_canon_sha256":"a802bcc4184bb713e183f544e5a145a5bb2581834c768ce4de06f6770c34c614"},"schema_version":"1.0","source":{"id":"1107.5930","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.5930","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1107.5930v1","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.5930","created_at":"2026-05-18T04:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"TQW7JONQEXIH","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"TQW7JONQEXIH44BU","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"TQW7JONQ","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:8467f1670bab924e7d121b086bd7ca79e64ab86b032364d77b8ad8ba0693a5f8","target":"graph","created_at":"2026-05-18T04:16:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"ROC curves and cost curves are two popular ways of visualising classifier performance, finding appropriate thresholds according to the operating condition, and deriving useful aggregated measures such as the area under the ROC curve (AUC) or the area under the optimal cost curve. In this note we present some new findings and connections between ROC space and cost space, by using the expected loss over a range of operating conditions. In particular, we show that ROC curves can be transferred to cost space by means of a very natural way of understanding how thresholds should be chosen, by select","authors_text":"C\\`esar Ferri, Jos\\'e Hern\\'andez-Orallo, Peter Flach","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-07-29T11:03:38Z","title":"Technical Note: Towards ROC Curves in Cost Space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.5930","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7e9b27d44b1df0b3757b9f16a52a7b174b94e0e1c93b4fde4b384d98cc923aef","target":"record","created_at":"2026-05-18T04:16:40Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f44eb7144da9681840e2377822a53cfbb2be623a96df275e3b8a0bb0bcd38cae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-07-29T11:03:38Z","title_canon_sha256":"a802bcc4184bb713e183f544e5a145a5bb2581834c768ce4de06f6770c34c614"},"schema_version":"1.0","source":{"id":"1107.5930","kind":"arxiv","version":1}},"canonical_sha256":"9c2df4b9b025d07e70347265affd534218754d7e9fabcf03f7c99efff283b1d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c2df4b9b025d07e70347265affd534218754d7e9fabcf03f7c99efff283b1d2","first_computed_at":"2026-05-18T04:16:40.214388Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:40.214388Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TEmNrK+EoWiamxpFwm+sE1OvI3fV8j0zf1j9wwnKz9s64KuBUiKrWLYLUHwlW1buMgHBeS+AXskbg5PWxq9LBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:40.215032Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.5930","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e9b27d44b1df0b3757b9f16a52a7b174b94e0e1c93b4fde4b384d98cc923aef","sha256:8467f1670bab924e7d121b086bd7ca79e64ab86b032364d77b8ad8ba0693a5f8"],"state_sha256":"8363fa5e8099b9f8fffcbf3cfa4e12aac4e17e8053dae807665b4808ec352b88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E0gIU0aK7TZIDSV8elQO1kH9zPGJ2BrPNroUHEVkm6tPF+Z/3S3OALNNl0G9/H/dYlWbE/VN+/YCx69dgm06Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:24:33.657085Z","bundle_sha256":"53584e081decf9c9ee9b4f5beab89a66eb560f73186b075cc4742dba21cb231d"}}