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
Package: rolog 0.9.28
rolog: Query 'SWI'-'Prolog' from R
This R package connects to SWI-Prolog, <https://www.swi-prolog.org/>, so that R can send deterministic and non-deterministic queries to prolog (consult, query/submit, once, findall).
Authors:
rolog_0.9.28.tar.gz
rolog_0.9.28.zip(r-4.7)rolog_0.9.28.zip(r-4.6)rolog_0.9.28.zip(r-4.5)
rolog_0.9.28.tgz(r-4.6-x86_64)rolog_0.9.28.tgz(r-4.6-arm64)rolog_0.9.28.tgz(r-4.5-x86_64)rolog_0.9.28.tgz(r-4.5-arm64)
rolog_0.9.28.tar.gz(r-4.7-arm64)rolog_0.9.28.tar.gz(r-4.7-x86_64)rolog_0.9.28.tar.gz(r-4.6-arm64)rolog_0.9.28.tar.gz(r-4.6-x86_64)
manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
rolog/json (API)
| # Install 'rolog' in R: |
| install.packages('rolog', repos = c('https://mgondan.r-universe.dev', 'https://cloud.r-project.org')) |
Bug tracker:https://github.com/mgondan/rolog/issues
Last updated from:4d7c8cbc2c. Checks:12 OK, 1 FAIL. Indexed: yes.
| Target | Result | Time | Files | Syslog |
|---|---|---|---|---|
| linux-devel-arm64 | OK | 162 | ||
| linux-devel-x86_64 | OK | 188 | ||
| source / vignettes | OK | 200 | ||
| linux-release-arm64 | OK | 183 | ||
| linux-release-x86_64 | OK | 150 | ||
| macos-release-arm64 | OK | 224 | ||
| macos-release-x86_64 | OK | 426 | ||
| macos-oldrel-arm64 | OK | 262 | ||
| macos-oldrel-x86_64 | OK | 500 | ||
| windows-devel | OK | 106 | ||
| windows-release | OK | 127 | ||
| windows-oldrel | OK | 117 | ||
| wasm-release | FAIL | 161 |
Exports:as.rologclearconsultfindallonceportraypostprocpreprocqueryrolog_donerolog_initrolog_okrolog_optionssubmit
Readme and manuals
Help Manual
| Help page | Topics |
|---|---|
| Translate simplified to canonical representation | as.rolog |
| Clear current query | clear |
| Consult a prolog database | consult |
| Invoke a query several times | findall |
| Invoke a query once | once |
| Translate an R call to a prolog compound and pretty print it | portray |
| Default hook for postprocessing | postproc |
| Default hook for preprocessing | preproc |
| Create a query | query |
| Clean up when detaching the library | rolog_done |
| Start prolog | rolog_init |
| Check if rolog is properly loaded | rolog_ok |
| Quick access the package options | rolog_options |
| Submit a query that has been opened with 'query()' before. | submit |
