{
  "_id": "6ac8ec58de46216d5edd933d",
  "Package": "rolog",
  "Type": "Package",
  "Title": "Query 'SWI'-'Prolog'",
  "Version": "0.9.29",
  "Date": "2026-10-02",
  "Authors@R": "c(person(\"Matthias\", \"Gondan\", role=c(\"aut\", \"com\", \"cre\"),\nemail=\"Matthias.Gondan-Rochon@uibk.ac.at\", comment=\"University of Innsbruck\"),\nperson(\"European Commission\", role=\"fnd\",\ncomment=\"Erasmus+ Programme, 2019-1-EE01-KA203-051708\"))",
  "Maintainer": "Matthias Gondan <Matthias.Gondan-Rochon@uibk.ac.at>",
  "Description": "Connects to SWI-Prolog, <https://www.swi-prolog.org/>, so\nthat R can send deterministic and non-deterministic queries to\nprolog (consult, query/submit, once, findall).",
  "License": "FreeBSD",
  "URL": "https://github.com/mgondan/rolog",
  "BugReports": "https://github.com/mgondan/rolog/issues",
  "Encoding": "UTF-8",
  "SystemRequirements": "GNU Make",
  "Config/testthat/edition": "3",
  "VignetteBuilder": "knitr, rmarkdown",
  "Config/roxygen2/version": "8.0.0",
  "Config/pak/sysreqs": "make",
  "Repository": "https://mgondan.r-universe.dev",
  "Date/Publication": "2026-10-02 16:03:38 UTC",
  "RemoteUrl": "https://github.com/mgondan/rolog",
  "RemoteRef": "HEAD",
  "RemoteSha": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-10-09 13:21:44 UTC",
    "User": "root"
  },
  "Author": "Matthias Gondan [aut, com, cre] (University of Innsbruck),\nEuropean Commission [fnd] (Erasmus+ Programme,\n2019-1-EE01-KA203-051708)",
  "_user": "mgondan",
  "_type": "src",
  "_file": "rolog_0.9.29.tar.gz",
  "_fileid": "https://r2.ropensci.org/9c4f1626eeb62b0090dc5344656ffd2aad2809850f8adcfcdced4cadeb4213c5",
  "_filesize": 226067,
  "_sha256": "9c4f1626eeb62b0090dc5344656ffd2aad2809850f8adcfcdced4cadeb4213c5",
  "_expires": "2027-01-17T13:29:59.000Z",
  "_created": "2026-10-09T13:21:44.000Z",
  "_published": "2026-10-09T13:30:00.745Z",
  "_buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_jobs": [
    {
      "job": 113839230759,
      "time": 100,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11617978874"
    },
    {
      "job": 113839230762,
      "time": 129,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11617574853"
    },
    {
      "job": 113839230693,
      "time": 126,
      "config": "linux-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11618024081"
    },
    {
      "job": 113839230766,
      "time": 114,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11618178298"
    },
    {
      "job": 113839230981,
      "time": 244,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11618413540"
    },
    {
      "job": 113839230764,
      "time": 450,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11618383841"
    },
    {
      "job": 113839230813,
      "time": 273,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11618313416"
    },
    {
      "job": 113839230747,
      "time": 436,
      "config": "macos-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11618659265"
    },
    {
      "job": 113837864803,
      "time": 204,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11619045170"
    },
    {
      "job": 113839230667,
      "time": 112,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "FAIL",
      "artifact": ""
    },
    {
      "job": 113839230851,
      "time": 219,
      "config": "windows-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11617649993"
    },
    {
      "job": 113839230944,
      "time": 121,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11617903439"
    },
    {
      "job": 113839230951,
      "time": 114,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11617529950"
    },
    {
      "job": 113839230973,
      "time": 187,
      "config": "windows-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11618594181"
    },
    {
      "job": 113839230787,
      "time": 141,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11617943077"
    }
  ],
  "_upstream": "https://github.com/mgondan/rolog",
  "_commit": {
    "id": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
    "author": "mgondan <Matthias.Gondan-Rochon@uibk.ac.at>",
    "committer": "GitHub <noreply@github.com>",
    "message": "Update DESCRIPTION",
    "time": 1790957018
  },
  "_maintainer": {
    "name": "Matthias Gondan",
    "email": "matthias.gondan-rochon@uibk.ac.at",
    "login": "mgondan",
    "description": "",
    "uuid": 12587770
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 4.2",
      "role": "Depends"
    },
    {
      "package": "Rcpp",
      "role": "LinkingTo"
    },
    {
      "package": "rswipl",
      "version": ">= 10.1.5",
      "role": "LinkingTo"
    },
    {
      "package": "Rcpp",
      "version": ">= 1.0.7",
      "role": "Imports"
    },
    {
      "package": "methods",
      "role": "Imports"
    },
    {
      "package": "utils",
      "role": "Imports"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "rswipl",
      "version": ">= 10.1.5",
      "role": "Suggests"
    },
    {
      "package": "htmltools",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "version": ">= 3.0.0",
      "role": "Suggests"
    }
  ],
  "_owner": "mgondan",
  "_selfowned": true,
  "_usedby": 1,
  "_updates": [
    {
      "week": "2026-03",
      "n": 2
    },
    {
      "week": "2026-05",
      "n": 3
    },
    {
      "week": "2026-09",
      "n": 4
    },
    {
      "week": "2026-16",
      "n": 5
    },
    {
      "week": "2026-25",
      "n": 5
    },
    {
      "week": "2026-26",
      "n": 7
    },
    {
      "week": "2026-30",
      "n": 7
    },
    {
      "week": "2026-40",
      "n": 3
    }
  ],
  "_tags": [
    {
      "name": "v0.9.27",
      "date": "2026-06-17"
    }
  ],
  "_stars": 6,
  "_contributors": [
    {
      "user": "mgondan",
      "count": 1383,
      "uuid": 12587770
    },
    {
      "user": "kamahen",
      "count": 4,
      "uuid": 34629301
    },
    {
      "user": "jeremyirilli",
      "count": 3,
      "uuid": 149394139
    },
    {
      "user": "ialfarone",
      "count": 3,
      "uuid": 117744682
    }
  ],
  "_userbio": {
    "uuid": 12587770,
    "type": "user",
    "name": "mgondan",
    "followers": 12
  },
  "_downloads": {
    "count": 498,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/rolog"
  },
  "_devurl": "https://github.com/mgondan/rolog",
  "_searchresults": 13,
  "_topics": [
    "cpp"
  ],
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/manual.pdf",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "extra/rolog.html"
  ],
  "_homeurl": "https://github.com/mgondan/rolog",
  "_realowner": "mgondan",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.9",
      "date": "2022-04-25"
    },
    {
      "version": "0.9.1",
      "date": "2022-04-27"
    },
    {
      "version": "0.9.2",
      "date": "2022-04-29"
    },
    {
      "version": "0.9.3",
      "date": "2022-05-04"
    },
    {
      "version": "0.9.4",
      "date": "2022-05-15"
    },
    {
      "version": "0.9.6",
      "date": "2022-11-12"
    },
    {
      "version": "0.9.8",
      "date": "2022-12-23"
    },
    {
      "version": "0.9.9",
      "date": "2023-01-06"
    },
    {
      "version": "0.9.10",
      "date": "2023-01-14"
    },
    {
      "version": "0.9.11",
      "date": "2023-01-27"
    },
    {
      "version": "0.9.12",
      "date": "2023-04-20"
    },
    {
      "version": "0.9.13",
      "date": "2023-05-08"
    },
    {
      "version": "0.9.14",
      "date": "2023-06-29"
    },
    {
      "version": "0.9.15",
      "date": "2024-03-18"
    },
    {
      "version": "0.9.16",
      "date": "2024-03-28"
    },
    {
      "version": "0.9.17",
      "date": "2024-05-01"
    },
    {
      "version": "0.9.18",
      "date": "2024-07-09"
    },
    {
      "version": "0.9.20",
      "date": "2025-02-15"
    },
    {
      "version": "0.9.21",
      "date": "2025-03-11"
    },
    {
      "version": "0.9.23",
      "date": "2025-05-19"
    },
    {
      "version": "0.9.24",
      "date": "2026-01-14"
    },
    {
      "version": "0.9.25",
      "date": "2026-02-24"
    },
    {
      "version": "0.9.26",
      "date": "2026-04-21"
    },
    {
      "version": "0.9.27",
      "date": "2026-06-18"
    },
    {
      "version": "0.9.28",
      "date": "2026-06-25"
    },
    {
      "version": "0.9.29",
      "date": "2026-10-02"
    }
  ],
  "_exports": [
    "as.rolog",
    "clear",
    "consult",
    "findall",
    "once",
    "portray",
    "postproc",
    "preproc",
    "query",
    "rolog_done",
    "rolog_init",
    "rolog_ok",
    "rolog_options",
    "submit",
    "usemodule"
  ],
  "_help": [
    {
      "page": "as.rolog",
      "title": "Translate simplified to canonical representation",
      "topics": [
        "as.rolog"
      ]
    },
    {
      "page": "clear",
      "title": "Clear current query",
      "topics": [
        "clear"
      ]
    },
    {
      "page": "consult",
      "title": "Consult a prolog database",
      "topics": [
        "consult"
      ]
    },
    {
      "page": "findall",
      "title": "Invoke a query several times",
      "topics": [
        "findall"
      ]
    },
    {
      "page": "once",
      "title": "Invoke a query once",
      "topics": [
        "once"
      ]
    },
    {
      "page": "portray",
      "title": "Translate an R call to a prolog compound and pretty print it",
      "topics": [
        "portray"
      ]
    },
    {
      "page": "postproc",
      "title": "Default hook for postprocessing",
      "topics": [
        "postproc"
      ]
    },
    {
      "page": "preproc",
      "title": "Default hook for preprocessing",
      "topics": [
        "preproc"
      ]
    },
    {
      "page": "query",
      "title": "Create a query",
      "topics": [
        "query"
      ]
    },
    {
      "page": "rolog_done",
      "title": "Clean up when detaching the library",
      "topics": [
        "rolog_done"
      ]
    },
    {
      "page": "rolog_init",
      "title": "Start prolog",
      "topics": [
        "rolog_init"
      ]
    },
    {
      "page": "rolog_ok",
      "title": "Check if rolog is properly loaded",
      "topics": [
        "rolog_ok"
      ]
    },
    {
      "page": "rolog_options",
      "title": "Quick access the package options",
      "topics": [
        "rolog_options"
      ]
    },
    {
      "page": "submit",
      "title": "Submit a query that has been opened with 'query()' before.",
      "topics": [
        "submit"
      ]
    },
    {
      "page": "usemodule",
      "title": "Use a prolog module",
      "topics": [
        "usemodule"
      ]
    }
  ],
  "_readme": "https://github.com/mgondan/rolog/raw/HEAD/README.md",
  "_rundeps": [
    "Rcpp",
    "rswipl"
  ],
  "_sysdeps": [
    {
      "shlib": "libstdc++",
      "package": "libstdc++6",
      "source": "gcc",
      "version": "16-20260322-1ubuntu1",
      "name": "c++",
      "homepage": "http://gcc.gnu.org/",
      "description": "GNU Standard C++ Library v3"
    }
  ],
  "_vignettes": [
    {
      "source": "rolog.Rmd",
      "filename": "rolog.html",
      "title": "rolog: Prolog queries from R",
      "author": "Matthias Gondan (Department of Psychology, University of Innsbruck, Austria) and Jan Wielemaker (Vrije Universiteit Amsterdam/SWI-Prolog Solutions b.v.)",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Abstract",
        "Keywords",
        "1. rolog: Prolog queries from R",
        "2. Basic syntax",
        "R interface",
        "Creating Prolog terms in R",
        "Package options",
        "Prolog interface to R",
        "Exceptions",
        "3. Extending the package",
        "Preprocessing in R",
        "Postprocessing in R",
        "Pre- and postprocessing in Prolog",
        "4. Examples and use cases",
        "Hello, world",
        "Backdoor test",
        "Definite clause grammars",
        "Installation of add-ons for Prolog",
        "Term manipulation",
        "Rendering mathematical expressions",
        "Calling R from Prolog",
        "Interval arithmetic",
        "5. Conclusions",
        "Acknowledgement",
        "Note",
        "References"
      ],
      "created": "2021-12-02 07:48:54",
      "modified": "2026-10-02 14:44:44",
      "commits": 53
    }
  ],
  "_score": 6.448397103457768,
  "_indexed": true,
  "_nocasepkg": "rolog",
  "_universes": [
    "mgondan"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.9.29",
      "date": "2026-10-09T13:23:30.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/8801c1aa3294302f7b4a47c34a1ad3a7ca2982d3db2a401ca07daefb48230844",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.9.29",
      "date": "2026-10-09T13:23:51.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/ca7cc22aa61d6879cddae20eca7a1f8ccef930d6efbd0425e79a7b948eb78e8b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "0.9.29",
      "date": "2026-10-09T13:23:56.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/bcc38092405140800d6c875164cfeafa94ead80b7666fbb9c98eddd14f2c654e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "0.9.29",
      "date": "2026-10-09T13:23:47.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/2250febd3112a4c198a6f5ea1c107898ed293f97708a0d86fbe36e2bb6c68eb4",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.9.29",
      "date": "2026-10-09T13:25:53.000Z",
      "arch": "aarch64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/4dfbe07cb05c02556d912a85dea84707cef0289b07bec95b1b3e2207e1f315b6",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.9.29",
      "date": "2026-10-09T13:29:04.000Z",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/e15fadbd133d8b8b6e822de0161c019203a2cee885e54f723f02eae3fa976f37",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "0.9.29",
      "date": "2026-10-09T13:26:15.000Z",
      "arch": "aarch64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/f3eb1f2c45c337629aa483e948e55b204cb0c93d09fce5d6e5a11460783e506a",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "0.9.29",
      "date": "2026-10-09T13:28:49.000Z",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/ec5c235f13822b9a13c0ae4a863cf1277020e621830ae762c151bdc557005bfc",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.9.29",
      "date": "2026-10-09T13:25:13.000Z",
      "arch": "aarch64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/607e69db8a9297b9b28bb466acbdaa0ef645fe1cf878b8e859671ec780967e3a",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.9.29",
      "date": "2026-10-09T13:22:58.000Z",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/73c8d321065568432ec34d980ed2d402a714a52c6d6a1fbf70337040dbd65cc5",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "0.9.29",
      "date": "2026-10-09T13:23:11.000Z",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/58dd6c468c2ed1dde09cfecc10dbccbb28d4cbcda1680e7f5a35494a36bcd76f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "0.9.29",
      "date": "2026-10-09T13:24:42.000Z",
      "arch": "aarch64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/458fe246106927b83047d26a826b28f1f900e930331fa9e824742c168e59826e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "0.9.29",
      "date": "2026-10-09T13:23:30.000Z",
      "arch": "x86_64",
      "commit": "7ce9048038f106bb9ef8b4c953513396967e2c0b",
      "fileid": "https://r2.ropensci.org/ba7e65eb00cb4b0dfafef570482ecc3ed174a0fc7f8e59a9333a678ba11ab82c",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/mgondan/actions/runs/37935894621"
    }
  ]
}