[seqfan] Re: Additional keywords for OEIS

[Frank Adams-Watters]

I suggested some time ago linking keywords and the index. One would 
enter a "keyword" for the sequence, and this would automatically create 
an index entry for it. The keywords on search screens could then be 
live links to the index entries. (One would have to manually create the 
index entry itself and define its associated keyword.)

Franklin T. Adams-Watters

-----Original Message-----
From: Neil Sloane <njasloane at gmail.com>
To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
Sent: Fri, Feb 20, 2015 12:25 pm
Subject: [seqfan] Re: Additional keywords for OEIS


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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