{"public_id":"co_766897ae1593f44b9c8c9efd70043fe8","status":"active","merged_into_public_id":null,"resolved_public_id":"co_766897ae1593f44b9c8c9efd70043fe8","name":"efficiency bound","description":"The optimal asymptotic variance benchmark achievable by an estimator under a given model.","aliases":[],"types":["performance bound"],"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"concept","status":"active","confidence":null,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","concept.status"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"papers":[{"corpus_id":17546613,"title":"Optimal R-estimation of a spherical location","citation_count":35,"url":"https://sah.borca.ai/papers/17546613"}],"claims":[{"public_id":"cl_8b1c6e9d1bfb0c4d8aef7ca1e9bace1a","text":"The proposed estimators are asymptotically normal under any rotationally symmetric distribution and attain the efficiency bound under a specific density.","corpus_id":17546613,"url":"https://sah.borca.ai/claims/cl_8b1c6e9d1bfb0c4d8aef7ca1e9bace1a"}],"related_concepts":[],"resolved_url":"https://sah.borca.ai/concepts/co_766897ae1593f44b9c8c9efd70043fe8","url":"https://sah.borca.ai/concepts/co_766897ae1593f44b9c8c9efd70043fe8"}