Examples with RuleSet fr.lirmm.graphik.graal.api.core.RuleSet used on opensource projects

Example 6 with RuleSet

use of fr.lirmm.graphik.graal.api.core.RuleSet in project graal by graphik-team.

the class MFAProperty method translateToMFA.

public static RuleSet translateToMFA(Iterable<Rule> rules) {
    RuleSet R = new LinkedListRuleSet();
    for (Rule r : rules) {
        for (Rule r2 : translateRuleToMFA(r)) R.add(r2);
    }
    DefaultRule rule = new DefaultRule();
    Atom s = new DefaultAtom(S);
    s.setTerm(0, DefaultTermFactory.instance().createVariable("X1"));
    s.setTerm(1, DefaultTermFactory.instance().createVariable("X2"));
    Atom d = new DefaultAtom(D);
    d.setTerm(0, DefaultTermFactory.instance().createVariable("X1"));
    d.setTerm(1, DefaultTermFactory.instance().createVariable("X2"));
    rule.getBody().add(s);
    rule.getHead().add(d);
    R.add(rule);
    s = new DefaultAtom(S);
    d = new DefaultAtom(D);
    Atom d2 = new DefaultAtom(D);
    d.setTerm(0, DefaultTermFactory.instance().createVariable("X1"));
    d.setTerm(1, DefaultTermFactory.instance().createVariable("X2"));
    s.setTerm(0, DefaultTermFactory.instance().createVariable("X2"));
    s.setTerm(1, DefaultTermFactory.instance().createVariable("X3"));
    d2.setTerm(0, DefaultTermFactory.instance().createVariable("X1"));
    d2.setTerm(1, DefaultTermFactory.instance().createVariable("X3"));
    rule = new DefaultRule();
    rule.getBody().add(d);
    rule.getBody().add(s);
    rule.getHead().add(d2);
    R.add(rule);
    return R;
}

Example 7 with RuleSet

use of fr.lirmm.graphik.graal.api.core.RuleSet in project graal by graphik-team.

the class IDCompilationTest method test3.

/**
 * Given p(X,Y) -> q(X,Y,X,Y,X) <br>
 * Then rew(q(U,V,A,B,V)) <br>
 * Return q(U,V,A,B,V)-{}
 */
@Test
public void test3() {
    Predicate predicateQ = new Predicate("q", 5);
    Predicate predicateP = new Predicate("p", 2);
    Atom body = new DefaultAtom(predicateP, X, Y);
    Atom head = new DefaultAtom(predicateQ, X, Y, X, Y, X);
    Atom query = new DefaultAtom(predicateQ, U, V, A, B, V);
    RuleSet rules = new LinkedListRuleSet();
    rules.add(DefaultRuleFactory.instance().create(body, head));
    RulesCompilation comp = new IDCompilation();
    comp.compile(rules.iterator());
    Collection<Pair<Atom, Substitution>> rewritingOf = comp.getRewritingOf(query);
    Assert.assertEquals(1, rewritingOf.size());
    Pair<Atom, Substitution> p = rewritingOf.iterator().next();
    Atom a = p.getLeft();
    Substitution s = p.getRight();
    Assert.assertEquals(predicateQ, a.getPredicate());
    Assert.assertEquals(U, a.getTerm(0));
    Assert.assertEquals(V, a.getTerm(1));
    Assert.assertEquals(A, a.getTerm(2));
    Assert.assertEquals(B, a.getTerm(3));
    Assert.assertEquals(V, a.getTerm(4));
    Assert.assertEquals(0, s.getTerms().size());
}

Example 8 with RuleSet

use of fr.lirmm.graphik.graal.api.core.RuleSet in project graal by graphik-team.

the class IDCompilationTest method test2.

/**
 * Given p(X,Y) -> q(X,Y,X) <br>
 * Then rew(q(U,U,U)) <br>
 * Return q(U,U,U)-{} AND p(U,U)-{})
 */
@Test
public void test2() {
    Predicate predicateQ = new Predicate("q", 3);
    Predicate predicateP = new Predicate("p", 2);
    Atom body = new DefaultAtom(predicateP, X, Y);
    Atom head = new DefaultAtom(predicateQ, X, Y, X);
    Atom query = new DefaultAtom(predicateQ, U, U, U);
    RuleSet rules = new LinkedListRuleSet();
    rules.add(DefaultRuleFactory.instance().create(body, head));
    RulesCompilation comp = new IDCompilation();
    comp.compile(rules.iterator());
    Collection<Pair<Atom, Substitution>> rewritingOf = comp.getRewritingOf(query);
    boolean rew1 = false;
    boolean rew2 = false;
    for (Pair<Atom, Substitution> p : rewritingOf) {
        Atom a = p.getLeft();
        Substitution s = p.getRight();
        if (a.getPredicate().equals(predicateQ)) {
            rew1 = true;
            Assert.assertEquals(U, a.getTerm(0));
            Assert.assertEquals(U, a.getTerm(1));
            Assert.assertEquals(U, a.getTerm(2));
            Assert.assertEquals(0, s.getTerms().size());
        } else {
            rew2 = true;
            Assert.assertEquals(predicateP, a.getPredicate());
            Assert.assertEquals(U, a.getTerm(0));
            Assert.assertEquals(U, a.getTerm(1));
            Assert.assertEquals(0, s.getTerms().size());
        }
    }
    Assert.assertTrue(rew1 && rew2);
    Assert.assertEquals(2, rewritingOf.size());
}

Example 9 with RuleSet

use of fr.lirmm.graphik.graal.api.core.RuleSet in project graal by graphik-team.

the class IDCompilationTest method test.

/**
 * Given p(X,Y) -> q(X,Y,X) <br>
 * Then rew(q(U,V,W)) <br>
 * Return q(U,V,W)-{} AND (p(U,V)-{W->U} || p(W,V)-{U->W})
 */
@Test
public void test() {
    Predicate predicateQ = new Predicate("q", 3);
    Predicate predicateP = new Predicate("p", 2);
    Atom body = new DefaultAtom(predicateP, X, Y);
    Atom head = new DefaultAtom(predicateQ, X, Y, X);
    Atom query = new DefaultAtom(predicateQ, U, V, W);
    RuleSet rules = new LinkedListRuleSet();
    rules.add(DefaultRuleFactory.instance().create(body, head));
    RulesCompilation comp = new IDCompilation();
    comp.compile(rules.iterator());
    Collection<Pair<Atom, Substitution>> rewritingOf = comp.getRewritingOf(query);
    boolean rew1 = false;
    boolean rew2 = false;
    for (Pair<Atom, Substitution> p : rewritingOf) {
        Atom a = p.getLeft();
        Substitution s = p.getRight();
        if (a.getPredicate().equals(predicateQ)) {
            rew1 = true;
            Assert.assertEquals(U, a.getTerm(0));
            Assert.assertEquals(V, a.getTerm(1));
            Assert.assertEquals(W, a.getTerm(2));
            Assert.assertEquals(0, s.getTerms().size());
        } else {
            rew2 = true;
            Assert.assertEquals(predicateP, a.getPredicate());
            Assert.assertTrue(a.getTerm(0).equals(U) || a.getTerm(0).equals(W));
            Assert.assertEquals(V, a.getTerm(1));
            Assert.assertEquals(1, s.getTerms().size());
        }
    }
    Assert.assertTrue(rew1 && rew2);
    Assert.assertEquals(2, rewritingOf.size());
}

Example 10 with RuleSet

use of fr.lirmm.graphik.graal.api.core.RuleSet in project graal by graphik-team.

the class IndexedByBodyPredicatesRuleSet method add.

// /////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
// /////////////////////////////////////////////////////////////////////////
private void add(Predicate p, Rule r) {
    RuleSet rules = this.map.get(p);
    if (rules == null) {
        rules = new LinkedListRuleSet();
        this.map.put(p, rules);
    }
    rules.add(r);
}