Database: berlintest Restore : NO Operator : dbdacscan Number : 1 Signature: stream(Tuple) x Attr x Attr x text x real x int -> stream(Tuple) Example : query Kneipen feed dbdacscan [GeoData, ClusterId, secondoHome() +'testN',500.0, 5] sortby[ClusterId] groupby[ClusterId ; C : group count] count Result : 8 Operator : distsamp Number : 1 Signature: stream(Tuple) x stream(Tuple) x Id -> bool Example : query Kneipen feed Kneipen feed head[50] distsamp[GeoData, WId, 12] sortby[WId] groupby[WId; C : group count] count Result : 12 Operator : fconsume5 Number : 1 Signature: stream x text -> stream Example :query Kneipen feed Kneipen feed head[200] distsamp[GeoData, WID, 2] filter[.WID = 0] dbdacscan[GeoData, ClusterId,secondoHome() + '/leftNRel.bin',500.0, 5] fconsume5[secondoHome() + '/leftRel.bin'] count Result : 111 Operator : fconsume5 Number : 2 Signature: stream x text -> stream Example : query Kneipen feed Kneipen feed head[200] distsamp[GeoData, WID, 2] filter[.WID = 1] dbdacscan[GeoData, ClusterId, secondoHome() + '/rightNRel.bin',500.0, 5] fconsume5[secondoHome() + '/rightRel.bin'] count Result : 173 Operator : distclmerge Number : 3 Signature: text x text x text x text x Attr x Attr x real x int x text x text -> stream(Tuple) Example : query distclmerge(secondoHome() + '/leftRel.bin' , secondoHome() + '/leftNRel.bin' ,secondoHome() + '/rightRel.bin',secondoHome() + '/rightNRel.bin' , GeoData, ClusterId, 500.0 , 5 , 'DbScan.bin' ,'NeighborFile.bin' ) sortby[ClusterId] groupby[ClusterId ; C : group count] count Result : 8