It's intersection. It's something we may do in the future, but is not high priority.
> -----Original Message----- > From: ydn-delicious@yahoogroups.com > [mailto:[EMAIL PROTECTED] On Behalf Of Andrew Cross > Sent: Thursday, April 26, 2007 5:27 AM > To: ydn-delicious@yahoogroups.com > Subject: [ydn-delicious] Re: Multiple tags in RSS feeds > > As far as I'm aware, Delicious's plus operator doesn't simply > add tag > groups of URLs together, it produces the union of the tag identified > groups. The union of any number of tag groups can be displayed but > only the most popular of one. Hence, combining two popular tag RSS > feeds from delicious wouldn't yield interesting results, because the > distribution of URLs popular in group A and popular in group > B rarely > coincide, whereas it is these coincident URLs which I would like to > have a feed for. > > Are there any plans to add services which return the popular > union of > more than one tag? > > > > Yahoo! Groups Links > > > >
