dataid 
Base Table  mecobject 
Attribute Name  dataid 
ColumnName  dataid 
Logical Rolename   
RoleName   
Definition  Object type 
Note  Range: dataid >= 0 0 = text email 1 = gif of best solution plot 2 = gif of VR plot 3 = text of VR 

mecid 
Base Table  mecobject 
Attribute Name  mecid 
ColumnName  mecid 
Logical Rolename   
RoleName   
Definition  Mechanism identification. Each mechanism is assigned a unique positive integer which identifies it in the database 
Note  Range: mecid > 0 

mimetype 
Base Table  mecobject 
Attribute Name  mimetype 
ColumnName  mimetype 
Logical Rolename   
RoleName   
Definition  Image type 
Note  Range: mimetype = {0 | 1 | 2 | 3} 0 = text/plain 1 = image/gif 2 = image/gif 3 = text/plain  

data 
Base Table  mecobject 
Attribute Name  data 
ColumnName  data 
Logical Rolename   
RoleName   
Definition  Object described by dataid/mimetype 
Note   

meta 
Base Table  mecobject 
Attribute Name  meta 
ColumnName  meta 
Logical Rolename   
RoleName   
Definition  Metadata for object, i.e. filename=email.txt 
Note  Range: Any free-format string up to 128 characters