'Index construction algorithm' diaporamas de présentation

?????? PARADISE

?????? PARADISE. ??? ????????????? 2009/4/24. ????????. ??? ????????????? 2009/4/24. Outline. Issues: search engine and web mining Goal: Framework Principles: Related components ( ????????? ) Implementation: Achievements ?????? Case study ???????. Search Engine and Web Mining.

660 views • 65 slides

Index Construction

Index Construction. Adapted from Lectures by Prabhakar Raghavan (Yahoo and Stanford) and Christopher Manning (Stanford). Plan. Last lectures: Dictionary data structures Tolerant retrieval Wildcards Spell correction Soundex This time: Index construction. n-z. a-hu. hy-m. $m. mace.

622 views • 45 slides

Index Construction

568 views • 45 slides

Index Construction

Index Construction. Slides adapted from Stanford information retrievel class. Plan. Last lecture: Dictionary data structures Tolerant retrieval Wildcards Spell correction Soundex This time: Index construction. n-z. a-hu. hy-m. $m. mace. madden. mo. among. amortize. on. abandon.

561 views • 41 slides

Index Construction

Index Construction. Slides adapted from Stanford information retrievel class. Plan. Last lecture: Dictionary data structures Tolerant retrieval Wildcards Spell correction Soundex This time: Index construction. n-z. a-hu. hy-m. $m. mace. madden. mo. among. amortize. on. abandon.

436 views • 41 slides

Inverted Index Phase Two

Inverted Index Phase Two. Some Hardware Basics. Access to data in memory is much faster than access to data on disk. Disk seeks: No data is transferred from disk while the disk head is being positioned.

398 views • 39 slides