Re: NULLs: theoretical problems?
Date: Sat, 11 Aug 2007 03:38:20 -0700
Message-ID: <1186828700.511893.240250_at_d55g2000hsg.googlegroups.com>
On Aug 11, 1:44 am, Joe Thurbon <use..._at_thurbon.com> wrote:
> Jan Hidders wrote:
> >>>>>>> Just to avoid any misunderstandings: there has of course been lots of
> >>>>>>> theory on certain interpretations of null values, such as the work by
> >>>>>>> Raymond Reiter and ...
>
> Hi Jan,
>
> Are you talking about Ray Reiter's work on default logic? Or is it
> something else? (Just curious)
_at_article{5388,
author = {Raymond Reiter},
title = {A sound and sometimes complete query evaluation algorithm
for relational databases with null values},
journal = {J. ACM},
volume = {33},
number = {2},
year = {1986},
issn = {0004-5411},
pages = {349--370},
doi = {http://doi.acm.org/10.1145/5383.5388},
publisher = {ACM Press},
address = {New York, NY, USA},
}
Not on line as far as I can see. Sorry.
- Jan Hidders