Statements (19)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:context-free_grammar
                                        
                                         | 
                            
| gptkbp:alsoKnownAs | 
                                    
                                        
                                            
                                            W-grammar
                                        
                                        
                                         | 
                            
| gptkbp:enables | 
                                    
                                        
                                            
                                            definition of context-sensitive languages
                                        
                                        
                                         | 
                            
| gptkbp:feature | 
                                    
                                        
                                            
                                            context-free meta-grammar
                                        
                                        
                                         context-sensitive object grammar two-level grammar  | 
                            
| gptkbp:field | 
                                    
                                        
                                            
                                            computer science
                                        
                                        
                                         formal language theory  | 
                            
| gptkbp:hasProperty | 
                                    
                                        
                                            
                                            more expressive than context-free grammars
                                        
                                        
                                         can express context-sensitive constraints  | 
                            
| gptkbp:namedAfter | 
                                    
                                        
                                            gptkb:Adriaan_van_Wijngaarden
                                        
                                         | 
                            
| gptkbp:publishedIn | 
                                    
                                        
                                            
                                            1965
                                        
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            gptkb:Chomsky_hierarchy
                                        
                                         gptkb:ALGOL_68 gptkb:Backus–Naur_form  | 
                            
| gptkbp:usedFor | 
                                    
                                        
                                            
                                            definition of ALGOL 68 syntax
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Adrianus_J._van_Wijngaarden
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            van Wijngaarden grammar
                                        
                                        
                                         |