example_0D_duration.ttl

@base <https://www.food.com/recipe/> .
@prefix ind: <http://purl.org/heals/ingredient/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix wtm: <http://purl.org/heals/food/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

ind:Almond a wtm:Ingredient ;
    skos:definition "the nutlike kernel of the fruit of either of two trees, Prunus dulcis (sweet almond) or P. dulcis amara (bitter almond), which grow in warm temperate regions" ;
    skos:prefLabel "almond" .

ind:BlackPeppercorn a wtm:Ingredient ;
    skos:definition "a dried berry of the black pepper" ;
    skos:prefLabel "black peppercorn" .

ind:Blueberry a wtm:Ingredient ;
    skos:definition "the edible, usually bluish berry of various shrubs belonging to the genus Vaccinium, of the heath family" ;
    skos:prefLabel "blueberry" .

ind:ChayoteSquash a wtm:Ingredient ;
    skos:definition "pear-shaped fruit of a West Indian annual vine (Sechium edule) of the gourd family that is widely cultivated as a vegetable" ;
    skos:prefLabel "chayote squash" .

ind:DriedCranberry a wtm:Ingredient ;
    skos:definition "an ingredient made by partially dehydrating fresh cranberries" ;
    skos:prefLabel "dried cranberry" .

ind:GlutenFreeFlour a wtm:Ingredient ;
    skos:definition "flours that are made of non-gluten containing products" ;
    skos:prefLabel "gluten free flour" .

ind:Kamut a wtm:Ingredient ;
    skos:definition "khorasan wheat (kamut) is an ancient grain" ;
    skos:prefLabel "kamut" .

ind:KamutFlour a wtm:Ingredient ;
    skos:definition "flour made from an ancient grain also known as khorsan wheat" ;
    skos:prefLabel "kamut flour" .

ind:Oat a wtm:Ingredient ;
    skos:definition "a cereal grass, Avena sativa, cultivated for its edible seed" ;
    skos:prefLabel "oat" .

ind:Peanut a wtm:Ingredient ;
    skos:definition "the pod or the enclosed edible seed of the plant, Arachis hypogaea, of the legume family: the pod is forced underground in growing, where it ripens" ;
    skos:prefLabel "peanut" .

ind:Pecan a wtm:Ingredient ;
    skos:definition "a tall hickory tree, Carya illinoinensis, of the southern U.S. and Mexico, cultivated for its oval, smooth-shelled, edible nuts" ;
    skos:prefLabel "pecan" .

ind:PumpkinSeed a wtm:Ingredient ;
    skos:definition "the edible seed of a pumpkin" ;
    skos:prefLabel "pumpkin seed" .

ind:Walnut a wtm:Ingredient ;
    skos:definition "the furrowed nut of any of a genus (Juglans of the family Juglandaceae, the walnut family) of deciduous trees" ;
    skos:prefLabel "walnut" .

<10000> a wtm:Recipe ;
    wtm:hasCookTime "PT3H15M"^^xsd:duration ;
    wtm:hasIngredient ind:Salt,
        ind:Tomato ;
    skos:definition "tomato paste" .

<100026> a wtm:Recipe ;
    wtm:hasCookTime "PT1H5M"^^xsd:duration ;
    wtm:hasIngredient ind:BakingPowder,
        ind:BlackPepper,
        ind:CowMilk,
        ind:Onion,
        ind:Salt,
        ind:VegetableOil,
        ind:bread,
        ind:cream_of_mushroom_soup,
        ind:ground_beef ;
    skos:definition "baking powder meatballs" .

<100034> a wtm:Recipe ;
    wtm:hasCookTime "PT35M"^^xsd:duration ;
    wtm:hasIngredient ind:AllPurposeFlour,
        ind:BakingPowder,
        ind:Butter,
        ind:ChickenEgg,
        ind:CowMilk,
        ind:cottage_cheese,
        ind:cream_cheese,
        ind:monterey_jack_cheese ;
    skos:definition "working woman s  cheese souffle" .

<100048> a wtm:Recipe ;
    wtm:hasCookTime "PT27M"^^xsd:duration ;
    wtm:hasIngredient ind:AllPurposeFlour,
        ind:BakingPowder,
        ind:BakingSoda,
        ind:BrownSugar,
        ind:Carrot,
        ind:ChickenEgg,
        ind:Salt,
        ind:cinnamon,
        ind:margarine ;
    skos:definition "carrot spice cookies" .

<100051> a wtm:Recipe ;
    wtm:hasCookTime "PT2M"^^xsd:duration ;
    wtm:hasIngredient ind:AppleCiderVinegar,
        ind:Salt,
        ind:mustard_powder,
        ind:sweetened_condensed_milk ;
    skos:definition "2 minute mayonnaise" .

<100074> a wtm:Recipe ;
    wtm:hasCookTime "PT10M"^^xsd:duration ;
    wtm:hasIngredient ind:Cornstarch,
        ind:Salt,
        ind:WhiteSugar,
        ind:cinnamon,
        ind:cloves,
        ind:orange_juice ;
    skos:definition "sheila s orange sauce" .

<100117> a wtm:Recipe ;
    wtm:hasCookTime "PT25M"^^xsd:duration ;
    wtm:hasIngredient ind:Butter,
        ind:LemonJuice,
        ind:Salt,
        ind:tabasco_sauce,
        ind:worcestershire_sauce ;
    skos:definition "lemon butter for shrimp" .
<107885> a wtm:Recipe ;
    wtm:hasCookTime "PT40M"^^xsd:duration ;
    wtm:hasIngredient ind:Carrot,
        ind:Celery,
        ind:Onion,
        ind:Water,
        ind:bay_leaf,
        ind:dried_parsley,
        ind:ham ;
    skos:definition "ham stock" .

<1079> a wtm:Recipe ;
    wtm:hasCookTime "P0D"^^xsd:duration ;
    wtm:hasIngredient ind:AllPurposeFlour,
        ind:Butter,
        ind:ChickenEgg,
        ind:CowMilk,
        ind:Salt ;
    skos:definition "salty milk biscuits" .

test_negative_idx_xsd_duration.py

import kglab
import tqdm

NAMESPACES = {
    "wtm":  "http://purl.org/heals/food/",
    "ind":  "http://purl.org/heals/ingredient/",
    "recipe":  "https://www.food.com/recipe/",
    }

kg = kglab.KnowledgeGraph(namespaces = NAMESPACES)

kg.load_rdf("example_0D_duration.ttl")
sg = kglab.SubgraphTensor(kg)
            
edge_list = []
            
for s, p, o in tqdm(sg.as_tuples()):
    s_label = sg.n3fy(s)
    s_id = sg.transform(s_label)

    p_label = sg.n3fy(p)
    p_id = sg.transform(p_label)

    o_label = sg.n3fy(o)
    o_id = sg.transform(o_label)
    
    if o_id >= 0:
        edge_list.append([s_id, o_id, 2 * p_id])
        edge_list.append([o_id, s_id, 2 * p_id + 1])
    else:
        print(s_label)
        
# For ref. creation of graph as a torch.Tensor from the edge list
# import torch
#edge = torch.tensor(edge_list, dtype=torch.long).t().contiguous()
#edge_index, edge_type = edge[:2], edge[2]