1. ti: Tm hi u nguyn l SE framework Lucene & ng d ng Nutch GVHD: Ths Hong Anh Vi tNguyn Th Anh 20080070Trn Anh Th 20082569Nguyn Vng Quyn 20082142Nguyn Vn Hng 20081293Nhm sinh vin:1

2. N i dungNguyn l v m hnh SE (Search engine)LuceneNutch2 3. Nguyn l v m hnh SE3 4. 1. Gii thiu4 5. 1. Gii thiuSE l phn mm nhm tm ra cc trang trn mngInternet c ni dung theo yu cu ngi dng.Crawler-Based Search Engines: ln tm cc trangtrn mng, ri t ng phn tch cc trang ly v va vo c s d liu ca n.Human-Powered Directories: cc th mc Internethon ton ph thuc vo s qun l ca con ngi.5 6. 2. Phn loi2.1. My tm kim thng thngTm kim theo qui trnh thu thp ti liu, phn loiv to ch mc.Gm hai loi, Search Engine s dng th mc ch v Search Engine to ch mc t ng.Cc Search Engine s dng th mc ch phnlp sn cc trang trn Internet vo cc th mc ch v theo cc cp chi tit hn ca ch .6 7. 2. Phn loi2.2. My siu tm kim7 8. 2. Phn loi2.2. My siu tm kimL loi my truy tm o, hot ng da trn s tnti ca cc Search Engine sn c.Khng c cs d liu ca ring mnh.Khi c yu cu tm kim gi t kha n ccSearch Engine khc phn tch v phn hng li cckt qu tm c.8 9. 3. Nguyn l9 10. 3. Nguyn lRobot i thu thp thng tin trn mng.Robots phi lin tc cp nht cc site c.Tin hnh phn tch, tm trong c s d liu chmc & tr v nhng ti liu tho yu cu.10 11. 4. M hnh4.1. B tm duyt CrawlerPage selectionInterest Driven: da vo mc quan tm cangi s dng vi cc trang . Popularity Driven: da vo mc ph bin catrang.Location Driven: xc nh mc quan trong catrang P da vo a ch ca n.11 12. 4. M hnh4.1. B tm duyt CrawlerM hnh crawlerCrawl & stop:Trong s k trang c Crawler ghthm ch c m trang (m