{"id":20048474,"url":"https://github.com/aggstam/london-metro","last_synced_at":"2026-02-07T05:01:24.129Z","repository":{"id":155101750,"uuid":"592686164","full_name":"aggstam/london-metro","owner":"aggstam","description":"Prolog procedures to find connected stations and routes in a Metro Stations Dataset.","archived":false,"fork":false,"pushed_at":"2025-11-30T13:18:03.000Z","size":15,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-12-02T19:41:59.900Z","etag":null,"topics":["metro-routes","prolog"],"latest_commit_sha":null,"homepage":"","language":"Prolog","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/aggstam.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-01-24T10:01:50.000Z","updated_at":"2025-11-30T13:18:06.000Z","dependencies_parsed_at":"2023-05-12T10:45:27.274Z","dependency_job_id":null,"html_url":"https://github.com/aggstam/london-metro","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/aggstam/london-metro","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aggstam%2Flondon-metro","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aggstam%2Flondon-metro/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aggstam%2Flondon-metro/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aggstam%2Flondon-metro/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/aggstam","download_url":"https://codeload.github.com/aggstam/london-metro/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/aggstam%2Flondon-metro/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":29186742,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-02-07T03:35:06.566Z","status":"ssl_error","status_checked_at":"2026-02-07T03:34:57.604Z","response_time":63,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["metro-routes","prolog"],"created_at":"2024-11-13T11:44:13.847Z","updated_at":"2026-02-07T05:01:24.123Z","avatar_url":"https://github.com/aggstam.png","language":"Prolog","funding_links":[],"categories":[],"sub_categories":[],"readme":"# london-metro\n\nFind connected stations and routes in a Metro Stations Dataset.\n\u003cbr\u003e\nIn this example we assume we use a basic description of London Metro.\n\u003cbr\u003e\nImplementation requires *prolog* to be installed.\n\n## Execution example\n```shell\n$ swipl -s london_metro.pl\n\n?- connected(cannon_street, monument, Line).\nLine = circle ;\nLine = district ;\nfalse.\n\n?- connected(camden_town, monument, Line).\nfalse.\n\n?- number_of_stations(N).\nN = 102.\n\n?- number_of_lines(N).\nN = 15.\n\n?- find_route(cannon_street, monument, Path).\nPath = [cannon_street, get_line(circle), monument] .\n\n?- find_route(camden_town, monument, Path).\nPath = [camden_town, get_line(northern_city), bank, get_line(subway_between_bank_and_monument), monument] .\n\n?- routes_3(List).\nList = [(aldwych, angel), (aldwych, borough), (aldwych, london_bridge), (aldwych, old_street), (angel, aldwych), (angel, kensington_olympia), (borough, aldwych), (borough, kensington_olympia), (..., ...)|...].\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Faggstam%2Flondon-metro","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Faggstam%2Flondon-metro","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Faggstam%2Flondon-metro/lists"}