> On 2021-02-24, at 20:47:06, Andy Seaborne <a...@apache.org> wrote:
>
>
>
> On 23/02/2021 20:07, james anderson wrote:
> ...
>
>>>>>
>>>>> ASK is not special in its evaluation of patterns.
>>>>>
>>>>> In SELECT and more general path settings:
>>>>>
>>>>> What would the answer be? And how many? What if there are DAGs?
>>>> why would one not interpret it analogous to
>>>> { ?z <z>+ ?y }
>>>
>>> What is the analogy?
>> apply the same interpretation mechanism.
>
> What interpretation mechanism?
> What join based algorithm? and how does to get the count right?
>
> ALP is the definition.
the question concerned, why were variable paths excluded from the
recommendation?
the initial answer referred to time limitations and uncertainty as to the
generated solutions.
alp may be the basis for the descriptions in the recommendation, but, with
respect to the question, it is incidental.
“join based” is gubichev’s characterization of aspects of the algorithm which
he described in
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.416.3420&rep=rep1&type=pdf
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james anderson | ja...@dydra.com | http://dydra.com
