| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:European_route
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:appliesTo
                                    
                                 | 
                                
                                    
                                        
                                            
                                            on-board and trackside railway systems
                                        
                                        
                                         
                                    
                                        
                                            
                                            railway control and protection systems
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:category
                                    
                                 | 
                                
                                    
                                        
                                            
                                            functional safety
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:compatibleWith
                                    
                                 | 
                                
                                    
                                        
                                            
                                            railway suppliers in Europe
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:defines
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Software_Safety_Integrity_Levels_(SIL)
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:firstPublished
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2001
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:focusesOn
                                    
                                 | 
                                
                                    
                                        
                                            
                                            software development
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fullTitle
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Railway applications – Communication, signalling and processing systems – Software for railway control and protection systems
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:language
                                    
                                 | 
                                
                                    
                                        
                                            
                                            English
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:publishedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:CENELEC
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:region
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Europe
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:relatedTo
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:EN_50126
                                        
                                         
                                    
                                        
                                            gptkb:EN_50129
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:replacedBy
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:ENV_50128
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:scope
                                    
                                 | 
                                
                                    
                                        
                                            
                                            specifies procedures and technical requirements for software used in railway control and protection systems
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:standardNumber
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:EN_50128
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:status
                                    
                                 | 
                                
                                    
                                        
                                            
                                            active
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:updated
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2011
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:usedFor
                                    
                                 | 
                                
                                    
                                        
                                            
                                            safety-related software
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:GNAT_Pro
                                        
                                         
                                    
                                        
                                            gptkb:ANSYS_SCADE
                                        
                                         
                                    
                                        
                                            gptkb:SCADE
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            7
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            EN 50128
                                        
                                        
                                         
                                    
                                 |