Computer implemented example-based concept-oriented data...

Details Computer implemented example-based concept-oriented data... Computer implemented example-based concept-oriented data...

2006-09-12

2006-09-12

Herndon, Heather R. (Department: 2176)

Data processing: presentation processing of document, operator i

Presentation processing of document

Layout

C706S055000, C707S793000

Reexamination Certificate

active

07107524

ABSTRACT:
The present invention relates to an example-based concept-orietned data extraction method. In an example labeling phase, the exemplary data string is converted into an exemplary token sequence, in which the target concepts and filler concepts are labeled to be tuples for use as an example, and thus an exemplary concept graph is constructed. In the data extraction phase, the untested data string is converted into an untested token sequence to be processed, and, based on the associated concept recognizers defined by the tuples in the example labeling phase, it is able to detect the concept candidates and establish the composite concepts and aggregate concepts, thereby constructing a hypothetical concept graph. After comparing the exemplary concept graph with the hypothetical concept graph, the optimal hypothetical concept sequence in the hypothetical graph is determined, so as to extract the targeted data from the matched target concepts.

REFERENCES:
patent: 6304870 (2001-10-01), Kushmerick et al.
patent: 6532469 (2003-03-01), Feldman et al.
patent: 6901441 (2005-05-01), Bent et al.
patent: 2002/0016796 (2002-02-01), Hurst et al.
Wagner et al., “The String-to-String Correction Problem”, Journal of the Association for Computing Machinery, vol. 21, No. 1, Jan. 1974, pp. 168-173.
Whang, et al., “Office-by-Example: An Integrated Office System and Database Manager”, ACM Transactions on Office Information Systems, vol. 5, No. 4, Oct. 1987, p. 393-427.

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