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


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?



Karen Coyle
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