GROUP BY [was: Comments list comments]

On Mon, 2005-03-21 at 16:04 +0000, Seaborne, Andy wrote:
> Matters arising from the comments list:
> Request for SQL-like GROUP BY in addition to ORDER BY.  GROUP BY allows the 
> application of aggrgeate functions which is more problematic than ORDER BY (that 
> only chnages the order of solutions, it does not remove, add or change 
> solutions).  It's use with aggregation functions like sum(), count() that is 
> tricky because of defining what is being counted (names or individuals).
> COUNT() can lead to a significant decrease in network bandwidth but I have not 
> seen a proposal as to what it means for RDF query that explciitly addresses the 
> closed world assumptions.
> 	Andy

Dan Connolly, W3C
D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E

Received on Monday, 21 March 2005 17:00:05 UTC