{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:X6RXROHLLMK6Q5CAMYHI5ZHIYP","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":"142e81923d11af06eea2fe7c707883283eabf8117edabd63dd405d7ca95e35a5","cross_cats_sorted":["stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2017-11-21T14:42:37Z","title_canon_sha256":"e76f8264d78988004b29c29a5d52489a45bad33d93dd71bc2c6806227e10d77d"},"schema_version":"1.0","source":{"id":"1711.07812","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.07812","created_at":"2026-05-18T00:29:56Z"},{"alias_kind":"arxiv_version","alias_value":"1711.07812v1","created_at":"2026-05-18T00:29:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.07812","created_at":"2026-05-18T00:29:56Z"},{"alias_kind":"pith_short_12","alias_value":"X6RXROHLLMK6","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"X6RXROHLLMK6Q5CA","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"X6RXROHL","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:824211e26261c86db03d5010f4156b085c13fca50f390aece7c697d284349696","target":"graph","created_at":"2026-05-18T00:29:56Z","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":"We propose an approach to reduce both computational complexity and data storage requirements for the online positioning stage of a fingerprinting-based indoor positioning system (FIPS) by introducing segmentation of the region of interest (RoI) into sub-regions, sub-region selection using a modified Jaccard index, and feature selection based on randomized least absolute shrinkage and selection operator (LASSO). We implement these steps into a Bayesian framework of position estimation using the maximum a posteriori (MAP) principle. An additional benefit of these steps is that the time for estim","authors_text":"Andreas Wieser, Caifa Zhou","cross_cats":["stat.AP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2017-11-21T14:42:37Z","title":"Jaccard analysis and LASSO-based feature selection for location fingerprinting with limited computational complexity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.07812","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":"sha256:326299eadddbffcec0b774cac36e9805a61720d1fce2ec5121c7d9feb221f3b8","target":"record","created_at":"2026-05-18T00:29:56Z","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":"142e81923d11af06eea2fe7c707883283eabf8117edabd63dd405d7ca95e35a5","cross_cats_sorted":["stat.AP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2017-11-21T14:42:37Z","title_canon_sha256":"e76f8264d78988004b29c29a5d52489a45bad33d93dd71bc2c6806227e10d77d"},"schema_version":"1.0","source":{"id":"1711.07812","kind":"arxiv","version":1}},"canonical_sha256":"bfa378b8eb5b15e87440660e8ee4e8c3eec400912aebac4352cec690dbf0adb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bfa378b8eb5b15e87440660e8ee4e8c3eec400912aebac4352cec690dbf0adb0","first_computed_at":"2026-05-18T00:29:56.459700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:56.459700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZB9IyF5KXKXGGlscCA44ArYiVpRIcAufMhzQCSgPGtdk46hqo98lWhpIg/cbBNCqfdyZBGCzgTiDXCxyN0a8Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:56.460125Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.07812","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:326299eadddbffcec0b774cac36e9805a61720d1fce2ec5121c7d9feb221f3b8","sha256:824211e26261c86db03d5010f4156b085c13fca50f390aece7c697d284349696"],"state_sha256":"5b137aed19a6aea3819c7b3d0b9276bdf953e24727e6b1e7fe7ca6c33135a29f"}