{"id":"5ccbe5ed-ec10-4be3-8361-aa7f184fa2b8","type":"DATASET","name":"Amtliches Liegenschaftskataster-Informationssystem","slug":"amtliches-liegenschaftskataster-informationssystem","description":"Der eingebundende Dienst 'ALKIS-Karte' ist aus den Daten des amtlichen Liegenschaftskataster-Informationssystem (ALKIS) abgeleitet und beinhaltet die folgenden Layer: Lagebezeichnung (0) ohne Hausnummer punktförmig (1) ohne Hausnummer linienförmig (2) mit Hausnummer (3) mit Pseudonummer (4) Flurs...","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://opendata-duisburg.de/dataset/amtliches-liegenschaftskataster-informationssystem/resource/b660e12e-02f1-47f8-af38","docs_url":null,"repo_url":null,"status":"ACTIVE","verification_state":"VERIFIED","tags":[],"logo_url":"https://opendata-duisburg.de/sites/all/themes/oddui_2019/favicon.ico","primary_source_url":"https://opendata-duisburg.de/dataset/amtliches-liegenschaftskataster-informationssystem/resource/b660e12e-02f1-47f8-af38","extraction_confidence":"0.00","created_at":"2026-07-02T14:23:50.738Z","updated_at":"2026-08-16T16:40:48.741Z","last_verified_at":"2026-08-16T16:40:48.741Z","deprecated_at":null,"ranking_score":51,"last_ranked_at":"2026-08-06T13:27:02.601Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'0':34B,162B '1':38B,166B '2':42B,170B '3':45B,173B '4':48B,176B 'abgeleitet':27B,155B 'address':120B,248B 'address-rel':119B 'address-related':247B 'alki':15B,26B,55B,67B 'alkis':143B,154B,183B,195B 'alkis-kart':14B,54B 'alkis-karte':142B,182B 'amtlich':1A 'amtlichen':22B,150B 'amtliches':129A 'and':209B,223B,240B,246B 'area':126B,254B 'aus':18B,146B 'beinhaltet':29B,157B 'boundari':99B 'boundaries':227B 'cadastr':8A,64B,96B,117B 'cadastral':224B,245B 'cadastre':136A,192B 'connect':105B 'connection':233B 'cover':76B 'covering':204B 'data':110B,238B 'dataset':51B,179B 'daten':20B,148B 'den':19B,147B 'der':11B,139B 'deriv':58B 'derived':186B 'des':21B,149B 'describ':52B 'describes':180B 'design':78B 'designations':206B 'die':30B,158B 'dienst':13B,141B 'district':97B,225B 'duisburg':108B,128B,236B,256B 'eingebundend':12B 'eingebundende':140B 'estat':7A,63B 'estate':135A,191B 'flur':49B,98B,226B 'flurs':177B 'folgenden':31B,159B 'from':187B 'germani':70B 'germany':198B 'hausnumm':36B,40B,44B 'hausnummer':164B,168B,172B 'hous':84B,88B 'house':212B,216B 'in':197B,232B 'includ':79B 'including':207B 'inform':9A,65B,122B 'information':137A,193B,250B 'informationssystem':4A,25B,132A,153B 'is':230B 'ist':17B,145B 'it':199B 'kart':16B,56B 'karte':144B,184B 'lagebezeichnung':33B,161B 'layer':32B,75B,160B 'layers':203B 'liegenschaftskatast':3A,24B 'liegenschaftskataster':131A,152B 'liegenschaftskataster-informationssystem':2A,23B,130A,151B 'line':82B 'lines':210B 'linienformig':169B 'linienförmig':41B 'locat':77B,86B,90B 'location':205B 'locations':214B,218B 'map':74B,202B 'mit':43B,46B,171B,174B 'municip':125B 'municipal':253B 'number':85B,89B,94B 'numbers':213B,217B,222B 'of':244B,255B 'offici':5A,61B 'official':133A,189B 'ohn':35B,39B 'ohne':163B,167B 'open':109B,237B 'point':80B 'points':208B 'portal':111B,239B 'provid':72B 'provides':200B 'pseudo':93B,221B 'pseudo-numb':92B 'pseudo-numbers':220B 'pseudonumm':47B 'pseudonummer':175B 'publish':103B 'published':231B 'punktformig':165B 'punktförmig':37B 'real':6A,62B,134A,190B 'referenc':115B 'referencing':243B 'relat':121B 'related':249B 'servic':57B,101B 'service':185B,229B 'sever':73B 'several':201B 'spatial':114B,242B 'support':113B 'supports':241B 'system':10A,66B,138A,194B 'the':181B,188B,228B,235B,252B 'this':178B 'und':28B,156B 'use':68B 'used':196B 'with':215B,219B,234B 'within':123B,251B 'without':83B,211B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":null,"institution_type":null,"country_code":"DE","official_confidence":0,"proof_summary":"Confidence: 0%","source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-03T08:20:26.397Z","geographic_scope":"NATIONAL","name_en":"Official Real Estate Cadastre Information System","description_en":"This dataset describes the 'ALKIS-Karte' service, derived from the official real estate cadastre information system (ALKIS) used in Germany. It provides several map layers covering location designations, including points and lines without house numbers, locations with house numbers, locations with pseudo-numbers, and cadastral district (Flur) boundaries. The service is published in connection with the Duisburg open data portal and supports spatial referencing of cadastral and address-related information within the municipal area of Duisburg.","native_lang":"de","access_level":"documented","formats":[],"capability_tier":"reference","trust_score":42.5,"access":{"level":"documented","primary":{"kind":"query","label":"Run verified request","method":"GET","url":"https://opendata-duisburg.de/dataset/amtliches-liegenschaftskataster-informationssystem/resource/b660e12e-02f1-47f8-af38","source":"probe","runnable":true},"actions":[{"kind":"query","label":"Run verified request","method":"GET","url":"https://opendata-duisburg.de/dataset/amtliches-liegenschaftskataster-informationssystem/resource/b660e12e-02f1-47f8-af38","source":"probe","runnable":true},{"kind":"query","label":"Dataset metadata","method":"GET","url":"https://opendata-duisburg.de/api/3/action/package_show?id=amtliches-liegenschaftskataster-informationssystem","source":"query_example","runnable":true,"direct":false}],"formats":[]},"maturity":{"entry_id":"5ccbe5ed-ec10-4be3-8361-aa7f184fa2b8","granularity":"entry","granularity_label":"One unit = one catalog entry. A PROXY for the SCOPE.md §4 ladder, which governs source families, not entries: a family with 400 entries moves this reading 400 times as much as a family with one. Never compare or combine with the source_family reading.","level":"verified","level_index":2,"level_label":"Verified","meaning":"Access tested successfully","counts_as_coverage":false,"blocked_by":null,"rungs":[{"level":"discovered","level_index":1,"label":"Discovered","meaning":"Source and metadata recorded","evidence":"membership of the named population the ladder is taken over","counts_as_coverage":false,"met":true,"reached":true,"criterion":"TRUE"},{"level":"verified","level_index":2,"label":"Verified","meaning":"Access tested successfully","evidence":"entries.verification_state = 'VERIFIED'","counts_as_coverage":false,"met":true,"reached":true,"criterion":"entries.verification_state = 'VERIFIED'"},{"level":"profiled","level_index":3,"label":"Profiled","meaning":"Schema, dimensions and licence understood","evidence":"a data profile with at least one field (entry_data_profiles.field_count > 0)","counts_as_coverage":false,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_data_profiles p WHERE p.entry_id = entries.id AND COALESCE(p.field_count, 0) > 0)"},{"level":"executable","level_index":4,"label":"Executable","meaning":"Queries run through Commodity","evidence":"entries.capability_tier = 'live' — today's proxy for \"queryable through us\"","counts_as_coverage":true,"met":false,"reached":false,"criterion":"entries.capability_tier = 'live'"},{"level":"joinable","level_index":5,"label":"Joinable","meaning":"Canonical identifiers and concepts mapped","evidence":"a field link to a canonical identifier whose sampled VALUES match its format","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_field_links efl WHERE efl.entry_id = entries.id AND efl.identifier_id IS NOT NULL AND efl.value_status = 'match')"},{"level":"reproducible","level_index":6,"label":"Reproducible","meaning":"Snapshots and transformation evidence retained","evidence":"at least one retained evidence manifest (migration 078)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM evidence_manifests em WHERE em.entry_id = entries.id)"},{"level":"guaranteed","level_index":7,"label":"Guaranteed","meaning":"Monitored against an operational reliability target","evidence":"an active reliability target with a named monitor (migration 096)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_reliability_targets rt WHERE rt.entry_id = entries.id AND rt.is_active = true)"}],"officialness":{"basis":"catalog_inherited","label":"Inherited from the upstream catalog: this item came from a trusted official government catalog, and that provenance — not per-item proof — is the warrant. Its own proof score is below 80 or it matched no registered institution (apps/worker/src/connectors/catalog/qualify-store.ts).","proof_confidence":0,"proven_threshold":80,"institution_id":null,"definition":"CASE WHEN COALESCE(entries.is_public_sector, false) IS NOT TRUE THEN 'not_official' WHEN COALESCE(entries.official_confidence, 0) >= 80 AND entries.institution_id IS NOT NULL THEN 'per_item_proven' ELSE 'catalog_inherited' END"},"source_family":{"key":"opendata-duisburg.de","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). A COMPUTED stand-in for the curated families of SCOPE.md §5, which no table holds yet. A family sits at the highest level any of its entries has reached, because a family is integrated to the depth of its deepest working integration. Never compare or combine with the entry reading."},"generated_at":"2026-08-16T19:47:55.125Z"},"api_details":null,"dataset_details":null,"license":null,"reuse":{"license_id":null,"license_name":null,"license_url":null,"commercial_use":{"status":"unknown","value":null},"redistribution":{"status":"unknown","value":null},"attribution_required":{"status":"unknown","value":null},"share_alike":{"status":"unknown","value":null},"personal_data_warning":{"status":"unknown","value":null},"cache_and_mirror":{"status":"unknown","value":null},"undetermined":["commercial_use","redistribution","attribution_required","share_alike","personal_data_warning","cache_and_mirror"],"basis":"unverified","confidence":0.1,"confidence_tier":"low","source_text":null,"source_url":null,"reviewed_at":null},"license_raw":null,"latest_check":{"id":"bb6a5b9d-9392-4378-b886-fe4b324d61e3","entry_id":"5ccbe5ed-ec10-4be3-8361-aa7f184fa2b8","status":"VERIFIED","last_checked_at":"2026-08-16T16:40:48.419Z","p50_latency_ms":2201,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-03T05:06:47.210Z","updated_at":"2026-08-16T16:40:48.419Z","consecutive_successes":12,"probe_url":"https://opendata-duisburg.de/dataset/amtliches-liegenschaftskataster-informationssystem/resource/b660e12e-02f1-47f8-af38","probe_method":"GET","probe_http_status":200,"probe_content_type":"text/html; charset=utf-8","probe_succeeded_at":"2026-08-16T16:40:48.419Z"},"data_profile":{"id":"38f52b43-3b2b-4531-be3c-5f4d66da3bbe","entry_id":"5ccbe5ed-ec10-4be3-8361-aa7f184fa2b8","profile_source":"ckan","profile_kind":"dataset","dataset_id":"amtliches-liegenschaftskataster-informationssystem","fields":[],"field_count":0,"sample_records":[],"record_count":null,"data_size_bytes":null,"dataset_count":null,"query_examples":[{"url":"https://opendata-duisburg.de/api/3/action/package_show?id=amtliches-liegenschaftskataster-informationssystem","curl":"curl -s 'https://opendata-duisburg.de/api/3/action/package_show?id=amtliches-liegenschaftskataster-informationssystem' -H 'Accept: application/json'","label":"Dataset metadata","method":"GET","description":"Full CKAN dataset record: resources, licence, organization, freshness."}],"status":"partial","error_message":null,"profiled_at":"2026-07-24T14:18:31.688Z","run_id":"4292e952-11ce-44c0-917d-15d59c2d8551","created_at":"2026-07-17T14:12:06.004Z","updated_at":"2026-07-24T14:18:31.688Z","license_raw":null,"license_id":null,"consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":false},"datasets":[],"limits":[]}