
     Table 2.--Information System Access Approaches/Methods...Responses

 Ŀ
                                   Easily    Modification      Not      
  Form of access       Present    Achieved      Needed       Possible   
 Ĵ
 B2ai. Hierarchical     ***                                             
        taxonomy                                                        
                                                                        
 B2aii. Enumerative                 ***                                 
        classif.                                                        
                                                                        
 B2aiii. Literary                   ***                                 
  warrant classif.                                                      
                                                                        
 B2aiv. Faceted                     ***                                 
        classif.                                                        
                                                                        
 B2bi. Alpha. index     ***                                             
                                                                        
 B2biA. Keywords        ***                                             
                                                                        
 B2biB. Controlled                  ***                                 
       vocabulary                                                       
                                                                        
 B2biC. Relative                    ***                                 
       index                                                            
                                                                        
 B2bii. Term manipul.   ***                                             
       index                                                            
                                                                        
 B2biiA. KWIC, simple               ***                                 
       permuted                                                         
                                                                        
 B2biiB. KWOC,          ***                                             
       sorting term                                                     
                                                                        
 B2biiC. String-                    ***                                 
       indexing                                                         
                                                                        
 B2biiD. Chain-                     ***                                 
       indexing                                                         
                                                                        
 B2biii. Classified                 ***                                 
       index                                                            
                                                                        
 B2biv. Coordinate      ***                                             
       term retrieval                                                   
                                                                        
 B2bivA. Non-automat.                                           ***     
       coord. search                                                    
                                                                        
 B2bivB. Full-text      ***                                             
       search                                                           
                                                                        
 B2bv. Faceted index                ***                                 
                                                                        
 B2bvi. Citation                    ***                                 
       index                                                            
 
