$def with (datasets, tags, length, count, offset, limit, title, networks) $length $count $offset $limit $for ds in datasets: $ds.id $ds.sid $ds.name $ds.shortdescription $for net in networks[ds.id]: $net.id $net.sid $net.vertices $net.edges $net.description $for t in tags[ds.id]: $t.tag ${ds.date[0:10]}