{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}


Call this the base set 6 introducon to informaon

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: sed   Hub pages are good lists of links on a subject.   e.g., Bob s list of cancer ­related links.   Pagerank s*ll very useful for things like crawl policy   Authority pages occur recurrently on good hubs for the subject.   Best suited for broad topic queries rather than for page ­finding queries.   Gets at a broader slice of common opinion. Introduc)on to Informa)on Retrieval Sec. 21.3 Hubs and Authori*es Introduc)on to Informa)on Retrieval S ec. 21.3 The hope   Thus, a good hub page for a topic points to many authorita*ve pages for that topic.   A good authority page for a topic is pointed to by many good hubs for that topic.   Circular defini*on  ­ will turn this into an itera*ve computa*on. AT&T Alice Authorities Hubs ITIM Bob O2 Mobile telecom companies Introduc)on to Informa)on Retrieval Sec. 21.3 Introduc)on to Informa)on Retriev...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online