Feature/552 eval constant terms #564
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mmarx
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Jan 6, 2025
mmarx
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Jan 8, 2025
Addresses #569. Based on #564 and #566, so should be merged after those. With this, we can run the following program: ```prolog @import awards :- tsv{ resource=f"https://query.wikidata.org/sparql?query={URIENCODE(?query)}", format=(any, string) }, ?query = """ SELECT ?award ?awardLabel WHERE { wd:Q42 wdt:P166 ?award . ?award rdfs:label ?awardLabel FILTER(LANG(?awardLabel) = "en") } """. @export awards :- csv{resource=""} . ``` This currently yields the following output: ``` [2025-01-04T00:15:11Z INFO nemo::io::formats::dsv::writer] Starting data export ?award,"""?awardLabel""" http://www.wikidata.org/entity/Q906455,"""Ditmar Award@en""" http://www.wikidata.org/entity/Q2687578,"""Inkpot Award@en""" [2025-01-04T00:15:11Z INFO nemo::io::formats::dsv::writer] Finished export: processed 3 tuples (dropped 0) ```
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Adds the function
reduceto allTermsin the rule model, which simplifies constant expressions withinOperations. This is accomplished by translating the term and running aStackProgramensuring that the result matches what would happen during rule evaluation.Closes #552.