The second part discuss the basic internet information retrieval techniques , such as information push - and - pull technique , data mining technique , information filtering technique , natural language processing technique and so on 如信息推拉技術(shù)、數(shù)據(jù)挖掘技術(shù)、信息過(guò)濾技術(shù)、自然語(yǔ)言處理技術(shù)等等,旨在弄清網(wǎng)絡(luò)信息檢索的技術(shù)支撐,為預(yù)測(cè)網(wǎng)絡(luò)信息檢索的發(fā)展趨勢(shì)作下鋪墊。