Data processing: database and file management or data structures – Database and file access – Search engines
Reexamination Certificate
2009-01-05
2011-10-18
Lewis, Cheryl (Department: 2155)
Data processing: database and file management or data structures
Database and file access
Search engines
C715S205000, C715S234000
Reexamination Certificate
active
08041705
ABSTRACT:
A system and method of crawling at least one website comprising at least one URL includes maintaining a lookup structure comprising all of the URLs known to be on a website; calculating a hub score for each webpage of the website to be recrawled, wherein the hub score measures how likely the to be recrawled webpage includes links to fresh content published on the website; sorting all the to be recrawled pages by their hub scores; and crawling the to be recrawled pages in order from highest hub scores to lowest hub scores. The calculating comprises computing a first value equaling a percentage of a number of new relative URLs on the to be recrawled page; computing a second value equaling a percentage of a previous hub score of the to be recrawled page; and computing the hub score as a sum of the first and the second values.
REFERENCES:
patent: 6601075 (2003-07-01), Huang et al.
patent: 7496557 (2009-02-01), Balasubramanian et al.
patent: 2002/0143755 (2002-10-01), Wynblatt et al.
patent: 2003/0005036 (2003-01-01), Mitzenmacher
patent: 2005/0033803 (2005-02-01), Vleet et al.
patent: 2005/0171946 (2005-08-01), Maim
Balasubramanian Srinivasan
Ching Michael
Jalan Piyoosh
Penmetsa Satish C.
Tomkins Andrew S.
Gibb I.P. Law Firm LLC
International Business Machines - Corporation
Lewis Cheryl
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