atalab/siesta/BusinessLogic/ExtractPairs/ExtractPairsSimple$.html#extract(singleRDD:org.apache.spark.rdd.RDD[auth.datalab.siesta.BusinessLogic.Model.Structs.InvertedSingleFull],last_checked:org.apache.spark.rdd.RDD[auth.datalab.siesta.BusinessLogic.Model.Structs.LastChecked],intervals:List[auth.datalab.siesta.BusinessLogic.Model.Structs.Interval],lookback:Int):(org.apache.spark.rdd.RDD[auth.datalab.siesta.BusinessLogic.Model.Structs.PairFull],org.apache.spark.rdd.RDD[auth.datalab.siesta.BusinessLogic.Model.