The forecasting and inventory models presented in this chapter are not new; they have been recommended for years by statisticians and operations researchers.
( ( ( ( ( ( The ( forecasting ( and ( inventory models ) ) ) ) ( presented ( in ( this chapter ) ) ) ) ( ( are not ) new ) ) ; ) ( they ( have ( been ( ( recommended ( for years ) ) ( by ( ( statisticians and ) ( operations researchers ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NN forecasting) (CC and) (NN inventory) (NNS models)) (VP (VBN presented) (PP (IN in) (NP (DT this) (NN chapter))))) (VP (VBP are) (RB not) (ADJP (JJ new)))) (: ;) (S (NP (PRP they)) (VP (VBP have) (VP (VBN been) (VP (VBN recommended) (PP (IN for) (NP (NNS years))) (PP (IN by) (NP (NP (NNS statisticians)) (CC and) (NP (NNS operations) (NNS researchers)))))))) (. .)))
The inventory operations presented in this chapter all take a lot of time to implement.
( ( The ( inventory operations ) ) ( ( presented ( ( in ( this chapter ) ) ( all ( take ( ( ( a lot ) ( of time ) ) ( to implement ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN inventory) (NNS operations)) (VP (VBD presented) (SBAR (S (PP (IN in) (NP (DT this) (NN chapter))) (NP (DT all)) (VP (VBP take) (S (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN time)))) (VP (TO to) (VP (VB implement)))))))) (. .)))