## OOPSLA 2006 / DSM / How to Represent

From: "andrew cooke" <andrew@...>

Date: Sun, 22 Oct 2006 21:05:40 -0300 (CLST)

Freikas.  Claims that Entity/Relation models are more expressive than
context free grammars.  I cannot understand why.  Nor can someone else in
the audience (who asks).  The example in the paper doesn't help - it shows
that both declarations and expressions contain identifiers.  My best guess
is that somehow the author thinks that ER diagram indicates that an
identifier cannot appear in an expression unless it is also in a
declaration.  But I don't see that semantics anywhere in the diagram.

Emphasis on text templates (as so many talks here) - completely ignoring
work on typed metalanguages (meta-ML for example).  Whole session seems to
be largely about how poor current OO languages are, rather than anything
new.