Computerized method for ranking linked information items in distributed sources
First Claim
1. A computerized method for ranking linked information items, comprising the steps of:
- (1) generating a grouping of the items in accordance with a choosen grouping strategy;
(2) using the linking of the items and the grouping of the items for generating link among groups;
(3) generating a group score for each of the linked groups and, within each of the groups, generating an item score for each of the items within the group;
(4) using the group scores and the item scores in generating the ranking.
1 Assignment
0 Petitions
Accused Products
Abstract
A computerized method used by a distributed Web search engine for computing a ranking score associated with an item, such as a Web page, comprising the steps of: (1) generating a grouping of items in the Web according to Web sites, geographic criterion, and/or field, (2) determining links among groups; (3) for at least some groups, computing a group ranking using only inter-group links, (4) within at least several of the groups, computing a local item ranking for at least some items within the group, (5) for at least one item, locally computing a global item ranking by multiplying said group ranking and said local item ranking. Advantage: no need to retrieve a global link matrix. Method can be distributed. Reduction of cost in computation, better impeding of spamming, fresher ranking results.
144 Citations
26 Claims
-
1. A computerized method for ranking linked information items, comprising the steps of:
-
(1) generating a grouping of the items in accordance with a choosen grouping strategy;
(2) using the linking of the items and the grouping of the items for generating link among groups;
(3) generating a group score for each of the linked groups and, within each of the groups, generating an item score for each of the items within the group;
(4) using the group scores and the item scores in generating the ranking. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A computerized method for ranking linked information items, comprising the steps of:
-
(1) generating a grouping of the items in accordance with a choosen grouping strategy;
(2) determining links among groups;
(3) for at least some groups, computing a group ranking using only inter-group links, (4) within at least several of the groups, computing a local item ranking for each items within the group, (5) for at least some items, computing a global item ranking based on said group ranking and on said local item ranking. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. A computerized method used by a distributed Web search engine for computing a ranking score associated with a document, such as Web pages, in the Web, comprising the steps of:
-
(1) ranking at least some groups of documents using only inter-group links, (2) within at least several of the groups, locally ranking at least some documents within the group, (3) for at least one document, locally computing a global item ranking by multiplying said group ranking and said local document ranking
-
-
24. A ranking device for ranking linked items, said ranking depending on links between items, comprising:
-
means for retrieving a group ranking associated with several groups of items, wherein at least one group comprises more than one item, means for ranking documents within at least one of said groups, in order to retrieve a local document ranking. means for locally computing a global item ranking by composing said group ranking and said local document ranking. - View Dependent Claims (25, 26)
-
Specification