Practical Artificial Intelligence Programming in Java 3rd Edition

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4th Edition:https://leanpub.com/javaai
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关键词：Intelligence Programming Artificial Practical practic Java

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看看是啥东西

1. PowerLoomUtils plu = new PowerLoomUtils();
   
2. plu.load("test_data/test.plm");
   
3. plu.changeModule("BUSINESS");
   
4. plu.assertProposition(
   
5. "(and (company c1)" +
   
6. " (company-name c1 \"Moms Grocery\"))");
   
7. plu.assertProposition(
   
8. "(and (company c2)" +
   
9. " (company-name c2 \"IBM\"))");
   
10. plu.assertProposition(
    
11. "(and (company c3)" +
    
12. " (company-name c3 \"Apple\"))");
    
13. List answers = plu.doQuery("all ?x (company ?x)");
    
14. System.out.println(answers);
    
15. // answers: [[C3], [C2], [C1]]
    
16. answers = plu.doQuery(
    
17. "all (?x ?name)" +
    
18. " (and" +
    
19. " (company ?x)" +
    
20. " (company-name ?x ?name))");
    
21. System.out.println(answers);
    
22. // answers:
    
23. // [[C3, "Apple"],
    
24. // [C2, "IBM"],
    
25. // [C1, "Moms Grocery"]]
    
26. plu.createRelation("CEO", 2);
    
27. plu.assertProposition(
    
28. "(CEO \"Apple\" \"SteveJobs\")");
    
29. answers = plu.doQuery(
    
30. "all (?x ?name ?ceo)" +
    
31. " (and" +
    
32. " (company-name ?x ?name)" +
    
33. " (CEO ?name ?ceo))");
    
34. System.out.println(answers);
    
35. // answers: [[C3, "Apple", "SteveJobs"]]

复制代码

1. public class ExampleSparqlQueries
   
2. implements ISparqlProcessResults {
   
3. 
   
4. public void processResult(List<String> data) {
   
5. System.out.print("next result: ");
   
6. for (String s : data)
   
7. System.out.print("|"+s+"|" + "\t ");
   
8. System.out.println(" . ");
   
9. }
   
10. public String doSparqlQuery(String sparql_query,
    
11. ISparqlProcessResults
    
12. handler) {
    
13. 
    
14. TripleStoreSesameManager ts =
    
15. new TripleStoreSesameManager();
    
16. ts.loadRDF("test_data/news.n3");
    
17. sparql_query =
    
18. "PREFIX kb: <http://knowledgebooks.com/ontology#>" +
    
19. "SELECT ?subject "+
    
20. "WHERE { ?subject kb:containsState \"Maryland\" . }";
    
21. ts.doSparqlQuery(sparql_query, this);
    
22. 
    
23. next result: |http://news.yahoo.com/s/nm/ \\
    
24. 20080616/ts_nm/worldleaders_trust_dc_1 /|

复制代码

1. private static RuleBase readRule() throws Exception {
   
2. Reader source =
   
3. new InputStreamReader(
   
4. DroolsBlockWorld.class.getResourceAsStream(
   
5. "/BlockWorld.drl"));
   
6. PackageBuilder builder = new PackageBuilder();
   
7. builder.addPackageFromDrl( source );
   
8. Package pkg = builder.getPackage();
   
9. // Change the default conflict resolution strategy:
   
10. RuleBaseConfiguration rbc =
    
11. new RuleBaseConfiguration();
    
12. rbc.setConflictResolver(new FifoConflictResolver());
    
13. RuleBase ruleBase = RuleBaseFactory.newRuleBase(rbc);
    
14. ruleBase.addPackage(pkg);
    
15. return ruleBase;
    
16. }
    
17. RuleBase ruleBase = readRule();
    
18. WorkingMemory workingMemory =
    
19. ruleBase.newStatefulSession();
    
20. System.out.println("\nInitial Working Memory:\n\n" +
    
21. workingMemory.toString());
    
22. // Just fire the first setup rule:
    
23. workingMemory.fireAllRules(1);
    
24. Iterator<FactHandle> iter =
    
25. workingMemory.iterateFactHandles();
    
26. while (iter.hasNext()) {
    
27. System.out.println(iter.next());
    
28. }
    
29. System.out.println("\n\n** Before firing rules...");
    
30. workingMemory.fireAllRules(20); // limit 20 cycles
    
31. System.out.println("\n\n** After firing rules.");
    
32. System.out.println("\nFinal Working Memory:\n" +
    
33. workingMemory.toString());
    
34. iter = workingMemory.iterateFactHandles();
    
35. while (iter.hasNext()) {
    
36. System.out.println(iter.next());
    
37. }

复制代码

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