一種滿(mǎn)足時(shí)間及步長(zhǎng)約束的圖結(jié)構(gòu)數(shù)據(jù)可達(dá)性索引構(gòu)建和查詢(xún)方法及系統(tǒng),獲取時(shí)態(tài)圖數(shù)據(jù),基于2跳標(biāo)簽構(gòu)建索引;運(yùn)用剪枝技術(shù)對(duì)索引進(jìn)行優(yōu)化,基于時(shí)間歸并和步長(zhǎng)歸并,構(gòu)建分層索引;根據(jù)查詢(xún)讀取對(duì)應(yīng)索引,根據(jù)約束過(guò)濾不符合條件的索引;執(zhí)行查詢(xún)算法,...