%0 Journal Article %T GRAPHIC SPECIFICATION OF ABSTRACT DATA TYPES %A Rossel %A Pedro %A Contreras %A Ricardo %A Bastarrica %A Mar¨Şa Cecilia %J Revista Facultad de Ingenier¨Şa - Universidad de Tarapac¨˘ %D 2004 %I Scientific Electronic Library Online %R 10.4067/S0718-13372004000100003 %X formally specifying software requirements using algebraic specifications has all the advantages of formal specifications. this type of specifications is usually textual. most modern specification languages have a graphical representation in an attempt to improve usability. this is also the case for algebraic specifications .here we present a survey on how abstract data types are represented graphically. we propose a structure containing a superset of all elements surveyed. we also show an application example, and we report some experimental results when using this graphical representation %K software engineering %K formal methods %K algebraic specification %K abstract data types %K graphic language. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0718-13372004000100003&lng=en&nrm=iso&tlng=en