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secondo/Algebras/StreamMining/StreamMining.examples

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2026-01-23 17:03:45 +08:00
Sequential: Yes
Database : berlintest
Restore : NO
Operator : reservoir
Number : 1
Signature: (stream(T) x int) -> stream(T)
Example : query intstream(1,10) reservoir[3] count
Result : 3
Operator : createbloomfilter
Number : 2
Signature: (stream(tuple(X)) x ATTR) x int x real -> bloomfilter, X in DATA
Example : query Kinos feed createbloomfilter[Name,0.01] bloomcontains["Astor"]
Result : TRUE
Operator : bloomcontains
Number : 3
Signature: bloomfilter x T -> bool, T in DATA or T in TUPLE
Example : query Kinos feed createbloomfilter[Name,0.01] bloomcontains["Berlino"]
Result : FALSE
Operator : createcountmin
Number : 4
Signature: (stream(tuple(X)) x ATTR) x int x real -> countminsketch, X in DATA
Example : query Kinos feed createcountmin[Name,0.01,0.1] cmscount["Astor"]
Result : 1
Operator : cmscount
Number : 5
Signature: countminsketch x T -> bool, T in DATA or T in TUPLE
Example : query Kinos feed createcountmin[Name,0.01,0.1] cmscount["Berlino"]
Result : 0
Operator : createams
Number : 6
Signature: stream(tuple(X)) x ATTR x int x real -> amssketch
Example : query Kinos feed createams[Name,0.01,0.1] amsestimate
Result : 22
Operator : amsestimate
Number : 7
Signature: amssketch -> real
Example : query Kinos feed createams[Name,0.01,0.1] amsestimate
Result : 22
Operator : createlossycounter
Number : 8
Signature: stream(tuple(X)) x ATTR x real -> lossycounter
Example : query intstream(1,100) createlossycounter[Elem,0.01] lcfrequent[0.1] count
Result : 0
Operator : lcfrequent
Number : 9
Signature: lossycounter x real -> stream(tuple(x))
Example : query intstream(1,100) createlossycounter[Elem,0.01] lcfrequent[0.1] count
Result : 0
Operator : outlier
Number : 10
Signature: (stream(T) x int) -> stream(T)
Example : query intstream(1,100) outlier[Elem,3] count
Result : 100