Is LZW the exact same as TRSMAIN/AMATERSE?
------- Original Message ------- On Sunday, August 13th, 2023 at 1:42 AM, Farley, Peter <[email protected]> wrote: > At a guess, in the IBM and Unisys patent files that have expired at the US > Patent Office. Not sure if USPO requires any payment to view/print patent > files, but they are supposed to be “public record” so should be available. > > For Lempel-Ziv-Welch compression, Wikipedia article here: > https://en.wikipedia.org/wiki/Lempel–Ziv–Welch > > Peter > > From: IBM Mainframe Discussion List [email protected] On Behalf Of > kekronbekron > > Sent: Saturday, August 12, 2023 9:30 AM > To: [email protected] > Subject: Re: TRSMAIN AMATERSE > > > > From the thread... > > > > "The algorithm is reasonably well documented, and the encapsulation is not > complex. And > > as I said, the patents have expired." > > > > Well-documented where? > > > > > > ------- Original Message ------- > > On Saturday, August 12th, 2023 at 5:17 PM, Mike Schwab > <[email protected]mailto:[email protected]> wrote: > > > > > > > > https://urldefense.com/v3/__https://hercules-390.yahoogroups.narkive.com/gYwJ3QUu/terse-for-pcs-windows-aix-linux__;!!Ebr-cpPeAnfNniQ8HSAI-g_K5b7VKg!KgFPMf4W43fW9fcVLr7EhIaqolCaXFEi6c4Eyn8KvEeFq0rbFE7vXdS9bjmOCJ82dR98eJ0K7rxzp6thvoX4Ot5MCrSG6LFC8_kf5FjA$https://urldefense.com/v3/__https:/hercules-390.yahoogroups.narkive.com/gYwJ3QUu/terse-for-pcs-windows-aix-linux__;!!Ebr-cpPeAnfNniQ8HSAI-g_K5b7VKg!KgFPMf4W43fW9fcVLr7EhIaqolCaXFEi6c4Eyn8KvEeFq0rbFE7vXdS9bjmOCJ82dR98eJ0K7rxzp6thvoX4Ot5MCrSG6LFC8_kf5FjA$ > > > Now over at groups.io . > > > On Sat, Aug 12, 2023, 00:20 kekronbekron < > > > [email protected]mailto:[email protected]> > > wrote: > > > > By any chance, is the algorithm for tersing/untersing publicly available? > > > -- > > > > This message and any attachments are intended only for the use of the > addressee and may contain information that is privileged and confidential. If > the reader of the message is not the intended recipient or an authorized > representative of the intended recipient, you are hereby notified that any > dissemination of this communication is strictly prohibited. If you have > received this communication in error, please notify us immediately by e-mail > and delete the message and any attachments from your system. > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
