אולי כדאי לנסות איות אחר או כתיב מלא:
information propagation » information presentation, information organization
propagation based » propagation case, propagation a, propagation due
based extension » based extraction
david siders » david silver's, david rogers, david silver
david peters » david peter, davis peter, david potere
david side » david sims, david simple, david siegel

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