The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2011
Filed:
Jun. 27, 2008
Amit Jagdish Agarwal, Bangalore, IN;
Krishna Leela Poola, Karnataka, IN;
Amit Jagdish Agarwal, Bangalore, IN;
Krishna Leela Poola, Karnataka, IN;
Yahoo! Inc., Sunnyvale, CA (US);
Abstract
Aspects include methods, computer readable storing instructions for such methods, and systems for processing text strings such as URLs that comprise patterns of parameters and values for such parameters, delimited in a site-specific manner. Such aspects provide for accepting a number of text strings that are expected to have a common delimiting strategy, then deeply tokenizing those text strings to arrive at a set of tokens from which are selected anchor tokens used to form patterns having the anchor tokens separated by wildcard portions for recursive processing. The patterns formed can be mapped to a tree of nodes. Information concerning relationships between nodes and between tokens within a given node, as well as other heuristics concerning which tokens are parameters and which are values can be used as observed events for producing probabilities that certain tokens are parameters or values, using a dynamic programming algorithm, such as a Viterbi algorithm.