Just visited the download areas, the tar/compress correctly pointed to
Jess4.1b4, however the ZIP format still pointing to Jess4.1b3.
Regards,
WSCHIA
On Wed, 29 Jul 1998, Ernest Friedman-Hill wrote:
> Hi Folks,
>
> Well, I've teased you long enough. Jess 4.1b4 is available at the
> usual place:
>
> http://herzberg.ca.sandia.gov/jess/download.html
>
> 4.1 was supposed to be mostly bugfixes, but it's been turning into a
> major release. There are a lot of nifty new language features: dynamic
> salience, default-dynamic deftemplate slots, more automatic type
> conversions, etc. Jess' innards have been further streamlined, and
> everything is ready for 4.2 to add Serialization.
>
> The manual has been meticulously proofread and edited, and reformatted
> in places as well, courtesy of our old friend, Win Carus. I added quite
> a bit of new material, as always trying to explain things that have
> been discussed on this list and in my personal email.
>
> The speed improvements I've been promising will show up if you make use
> of the new 'unique' conditional element. Careful use of it can speed
> most programs up by a significant percentage: I've seen of the order
> of 20-30% for several rulebases. It's easy to ass 'unique' to existing
> rules: see the README to learn about the 'unique' CE. I'm very
> interested in any feedback or anecdotes about this new feature.
>
> Brave readers might want to have a look at jess/examples/fastword/* to
> learn about the (otherwise undocumented) 'java-test' feature.
>
> From the README:
>
> addUserfunction, addDeffunction, etc collapsed into one addUserunction
> routine in Rete class; same with 'findUserfunction'. RU.getAtom() and
> RU.putAtom are gone! Userfunction.name() now returns
> String. ControlStructure interface used to clean up handling of such
> things. ReteCompiler uses Hashtables of Bindings instead of int[][]
> for vartables. Added default-dynamic deftemplate slot qualifier. Added
> set-/get-reset-globals, and changed the default defglobal reset
> behaviour. Added dynamic rule salience. Removed arbitrary limit of 32
> slots for ordered facts and 32 tests per slot for all facts. "unique"
> CE (15-30% speed increase for many problems!) Various documentation
> improvements (many thanks to Win Carus.) Better error reporting
> (addContext() call in ReteException.) Malformed calls to 'eval' or
> 'build' or 'executeCommand' no longer go into an infinite loop on
> EOF. Added "store" and "fetch". Added "external-addressp". Rearranged
> Test1, Test2 classes into an inheritance hierarchy with a virtual
> doTest method, allowing for alternate implementations (undocumented
> java-test functionality included). Value class will do more type
> conversions automatically. Final multifield argument of a deffunction
> now acts as a wildcard, as in CLIPS (thanks David Young.)
>
> ---------------------------------------------------------
> Ernest Friedman-Hill
> Distributed Systems Research Phone: (510) 294-2154
> Sandia National Labs FAX: (510) 294-2234
> Org. 8920, MS 9214 [EMAIL PROTECTED]
> PO Box 969 http://herzberg.ca.sandia.gov
> Livermore, CA 94550
>
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