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It is generally better to avoid blank nodes in SPARQL queries, since it is
usually  clearer if you use  ?y instead of _:y .

Simon


On Tue, Jul 15, 2014 at 8:37 PM, Simon Spero <[log in to unmask]> wrote:

> That's would be the same query (and same basic graph pattern).
>
>
> On Tue, Jul 15, 2014 at 7:18 PM, Karen Coyle <[log in to unmask]> wrote:
>
>> On 7/15/14, 10:47 AM, Simon Spero wrote:
>>
>>> 4. There is no problem with a SPARQL  query binding a variable to a
>>> blank node; however it can be difficult to use the value in second query.
>>>
>> Simon, I admit that I struggle often with the terseness of your prose. Is
>> this #4 your statement of the problem that I ran into, as per my original
>> post? In other words, is
>>
>> Where {
>> X p _y .
>> _y p Z .
>> }
>>
>> using the value in a second query? If not, does one of your other points
>> address this?
>>
>> thx,
>>
>> kc
>>
>> --
>> Karen Coyle
>> [log in to unmask] http://kcoyle.net
>> m: 1-510-435-8234
>> skype: kcoylenet
>>
>
>