dba_segments shows :
SYS 5.2 TEMPORARY PSAPTEMP
SYS 5.2562 TEMPORARY PSAPTEMP
SYS 5.5122 TEMPORARY PSAPTEMP
SYS 5.7682 TEMPORARY PSAPTEMP
SYS 5.10242 TEMPORARY PSAPTEMP
SYS 5.12802 TEMPORARY PSAPTEMP
SYS 5.15362 TEMPORARY PSAPTEMP

and v$sort_usage :

USERNAME USER CONTENTS SEGTYPE
----------- --------- --------- ---------
SMARTDBA SYS PERMANENT DATA
SMARTDBA SYS PERMANENT INDEX
SMARTDBA SYS PERMANENT DATA
SMARTDBA SYS PERMANENT INDEX
SMARTDBA SYS PERMANENT DATA
SMARTDBA SYS PERMANENT INDEX
SMARTDBA SYS PERMANENT DATA