[seqfan] Re: Additional keywords for OEIS

[Charles Greathouse]

I like the idea of new keywords, and I like the idea of categories.
Categories seem like a great solution to many problems because they would
be (by design) extendable. Unfortunately I haven't had time to look though
this part of Russ' code, but I intend to work on this eventually.

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

On Fri, Feb 20, 2015 at 12:24 PM, Neil Sloane <njasloane at gmail.com> wrote:

> Instead of adding more keywords, which are necessarily
> rather limited, Charles and I had discussed adding
> "categories".  This may be a better way to proceed.
> Charles, did you think any more about how this idea might be implemented?
> IIRC, you started to learn Go for that purpose?
>
> Best regards
> Neil
>
> Neil J. A. Sloane, President, OEIS Foundation.
> 11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
> Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
> Phone: 732 828 6098; home page: http://NeilSloane.com
> Email: njasloane at gmail.com
>
>
> On Fri, Feb 20, 2015 at 1:18 PM, Frank Adams-Watters <
> franktaw at netscape.net>
> wrote:
>
> > While I'm not familiar with the code being used, making new keywords
> > available can't be very difficult.
> >
> > Getting the keyword assigned to all and only those sequences where it
> > belongs is another matter, ranging from a bit trickier than you might
> think
> > to requiring many man-hours. For the example below, the process could be
> > automated with 99%+ accuracy. I don't know of any off hand, but there are
> > probably sequences in the database whose first non-prime member comes
> quite
> > late. The process also has to be able to deal with sequences having very
> > large terms. One keyword I have considered, "fact", for those sequences
> > which depend on factorization, in the same way that "base" sequences
> depend
> > on representation as numerals, would be very difficult to get anywhere
> > close to being right.
> >
> > Franklin T. Adams-Watters
> >
> >
> > -----Original Message-----
> > From: Felix Fröhlich <felix.froe at googlemail.com>
> > To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> > Sent: Fri, Feb 20, 2015 5:10 am
> > Subject: [seqfan] Additional keywords for OEIS
> >
> >
> > Dear SeqFans,
> >
> > as some of you might know, there has been some discussion about the
> > addition of additional keywords to the OEIS. Most of what I found
> regarding
> > that discussion has taken place in the userspace of Charles Greathouse in
> > the OEIS Wiki. See
> > https://oeis.org/wiki/User_talk:Charles_R_Greathouse_IV/Keywords and
> > https://oeis.org/wiki/User:Charles_R_Greathouse_IV/Keywords/Table and
> the
> > corresponding talk pages.
> >
> > Personally I think the possibility to refine OEIS searches via specific
> > keywords is very useful and I often make use of that feature. The
> addition
> > of new keywords would allow one to get even more relevant results. For
> > example, Alex Ratushnyak in 2013 suggested the addition of a keyword
> 'prim'
> > that would allow one to find all sequences where all terms are prime. Two
> > obvious candidates for this keyword would be sequences like A000040
> > or A000043.
> >
> > As I am not familiar with the technical aspects behind the OEIS
> database, I
> > would like to know how much work it would be to add new keywords to the
> > OEIS or whether it is technically possible at all (maybe it's just like
> > running an SQL query to update some database table, or maybe it requires
> > some complete rewrite of some part of the software underlying the OEIS, I
> > do not know). If it is technically feasible to do this and if those who
> > maintain the technical integrity of the OEIS think such a step would be
> > desirable, then as a next step we could collect suggestions regarding
> which
> > keywords would be useful.
> >
> > What do others think?
> >
> > Best regards
> >
> > Felix Fröhlich
> >
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