[seqfan] Re: Additional keywords for OEIS

[Felix Fröhlich]

I don't think there is a reference in the OEIS wiki, but for a general
overview of what I believe Neil is referring to above, see
http://www.mediawiki.org/wiki/Help:Categories.

Felix

2015-02-21 8:33 GMT+01:00 Frank Adams-Watters <franktaw at netscape.net>:

> I don't know what you mean by categories. Is there a reference to this in
> the Wiki?
>
> Franklin T. Adams-Watters
>
> -----Original Message-----
> From: Charles Greathouse <charles.greathouse at case.edu>
> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> Sent: Fri, Feb 20, 2015 1:48 pm
> Subject: [seqfan] Re: Additional keywords for OEIS
>
>
> 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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>> >
>> >
>> >
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