Lastly , we give labeled ordered tree objects . each internal node of the labeled ordered tree represents an xml element and is labeled with the element " s tag name 本文提出了標(biāo)簽有序樹對(duì)象( lotos )數(shù)據(jù)模型,有序樹的內(nèi)部結(jié)點(diǎn)由xml數(shù)據(jù)的元素表示,而元素名要進(jìn)行參數(shù)化處理。