Informazioni generali

SIGMOD RECORD  

journal24721  

E155056  

US  

0163-5808  

English  

Rivista

ACM / Association for Computing Machinery:1515 Broadway, 17th Floor:New York, NY 10036:(212)869-7440, EMAIL: acmhelp@hq.acm.org, INTERNET: http://www.acm.org, Fax: (212)944-1318  

1976  

 

can  

 

can  

 

cannot  

 

false