
        Table 3.--Information System Control Mechanisms...Responses

 Ŀ
                                   Easily    Modification      Not      
  Form of access       Present    Achieved      Needed       Possible   
 Ĵ
 B3a. Classification    ***                                             
     schedule                                                           
                                                                        
 B3b. Vocabulary        ***                                             
     control                                                            
                                                                        
 B3bi. Authority/                   ***                                 
     headings file                                                      
                                                                        
 B3bii. Thesaurus                   ***                                 
     control                                                            
                                                                        
 B3biii. Derived                    ***                                 
     index terms                                                        
                                                                        
 B3biv. Hierarchical                                            ***     
     search thesaurus                                                   
                                                                        
 B3bv. Entry term        ***                                            
     control mechs.                                                     
                                                                        
 B3bvA. Entry syntax     ***                                            
                                                                        
 B3bvB. Single/plural    ***                                            
     control                                                            
                                                                        
 B3bvC. Automatic                   ***                                 
     depluralization                                                    
     (database file)                                                    
                                                                        
 B3bvD. Synonym def.     ***                                            
     (database file)                                                    
                                                                        
 B3c. "Standard sub-     ***                                            
     division" facets                                                   
                                                                        
 B3d. Term relation-                ***                                 
     ship/weighting                                                     
                                                                        
 B3e. Filing/sorting     ***                                            
     rules                                                              
                                                                        
 B3f. Authority/         ***                                            
     procedural                                                         
     measures                                                           
 
