On 14 Oct 2011, at 09:05, David Allsopp wrote: > Damian, > > > Thanks, that clarified how to use BINDINGS, which I'd been wondering about! > > I've now tried that approach, but it turns out to be very slow... > > > My benchmarks so far (milliseconds): > > Query per resource: 735 > > Filter using IN(), in batches of 50: 109 > > Bindings, in batches of 50: 4047 > > One query for all resources: 2000 > > (This is for querying 200 resources from a model containing about 100K > triples; the query is repeated 10 times to get significant durations). > > > Cheers, > > David.
Curses, I was so confident! That's quite a surprise. Could you post your benchmark somewhere? I'd be interested to know why binding is so slow. Damian
