US6460034B1 — Document knowledge base research and retrieval sy…

Claim 1

Independent Claim 121 words

A method for processing queries in a search and retrieval system, said method comprising the steps of: storing a plurality of themes for a repository of documents, wherein each theme for a document defines subject matter disclosed in a document, such that said themes stored for a document define the overall content for said document; processing a query, which includes at least one query term, to select at least one document relevant to said at least one query term; identifying said themes stored for said at least one document selected; and selecting, in response to said query, at least one additional document, not previously selected, that comprises at least one theme in common with said themes identified in said documents selected.

Claim 2

Independent Claim 121 words

A method for processing queries in a search and retrieval system, said method comprising the steps of: storing a plurality of themes for a repository of documents, wherein each theme for a document defines subject matter disclosed in a document, such that said themes stored for a document define the overall content for said document; processing a query, which includes at least one query term, to select at least one document relevant to said at least one query term; identifying said themes stored for said at least one document selected; and selecting, in response to said query, at least one additional document, not previously selected, that comprises at least one theme in common with said themes identified in said documents selected.

Claim 3

Dependent Claim 75 words

The method as set forth in claim 1 , further comprising the step of: storing a knowledge base comprising a directed graph that links terminology having a lexical, semantic or usage association; generating an expanded set of query terms through use of said knowledge base by selecting additional terms having a lexical, semantic or usage association with said query terms; and processing said query to select documents relevant to said expanded set of query terms.

Claim 4

Dependent Claim 60 words

The method as set forth in claim 1 , wherein the step of storing a plurality of themes for a respiratory of documents comprises the steps of: processing a plurality of documents to identify said themes for a document; and classifying said documents, including themes identified for said documents, in categories so as to relate said themes to said categories.

Claim 5

Dependent Claim 47 words

The method as set forth in claim 1 , further comprising the steps of: storing, for reference, a knowledge base that comprises a plurality categories; and storing document theme vectors that classify said documents and said themes identified for said documents in categories of said knowledge base.

Claim 6

Dependent Claim 67 words

The method as set forth in claim 4 , wherein the step of selecting at least one additional document comprises the steps of: mapping said query term to a category of said knowledge base; selecting a plurality of documents classified for said category; selecting themes for said documents as identified in said document theme vectors; and selecting additional documents based on themes identified in said documents selected.

Claim 7

Dependent Claim 35 words

The method as set forth in claim 5 , wherein the step of selecting additional documents comprises the step of generating at least one theme group that comprises themes common to more than one document.

Claim 8

Dependent Claim 27 words

The method as set forth in claim 6 , further comprising the step of ranking said theme groups based on order of importance of said theme groups.

Claim 9

Dependent Claim 33 words

The method as set forth in claim 7 , wherein the step of ranking said theme groups comprises the step of ranking theme groups based on the number of themes in a group.

Claim 10

Dependent Claim 37 words

The method as set forth in claim 7 , wherein the step of ranking said theme groups comprises the step of ranking theme groups based on the highest total theme weight of themes in a theme group.

Claim 11

Dependent Claim 34 words

The method as set forth in claim 7 , wherein the step of ranking said theme groups comprises the step of ranking theme groups based on document strength of documents in a theme group.

Claim 12

Dependent Claim 20 words

The method as set forth in claim 6 , further comprising the step of ranking documents within each theme group.

Claim 13

Dependent Claim 30 words

The method as set forth in claim 11 , wherein the step of ranking documents comprises the step of ranking documents based on theme weight of themes in a document.

Claim 14

Dependent Claim 127 words

A computer readable medium comprising a plurality of instructions, which when executed by a computer, causes the computer to perform the steps of: storing a plurality of themes for a repository of documents, wherein each theme for a document defines subject matter disclosed in a document, such that said themes stored for a document define the overall content for said document; processing a query, which includes at least one query term, to select at least one document relevant to said at least one query term; identifying said themes stored for said at least one document selected; and selecting, in response to said query, at least one additional document, not previously selected, that comprises at least one theme in common with said themes identified in said documents selected.

Claim 15

Dependent Claim 127 words

A computer readable medium comprising a plurality of instructions, which when executed by a computer, causes the computer to perform the steps of: storing a plurality of themes for a repository of documents, wherein each theme for a document defines subject matter disclosed in a document, such that said themes stored for a document define the overall content for said document; processing a query, which includes at least one query term, to select at least one document relevant to said at least one query term; identifying said themes stored for said at least one document selected; and selecting, in response to said query, at least one additional document, not previously selected, that comprises at least one theme in common with said themes identified in said documents selected.

Claim 16

Dependent Claim 76 words

The computer readable medium as set forth in claim 13 , further comprising instructions for: storing a knowledge base comprising a directed graph that links terminology having a lexical, semantic or usage association; generating an expanded set of query terms through use of said knowledge base by selecting additional terms having a lexical, semantic or usage association with said query terms; and processing said query to select documents relevant to said expanded set of query terms.

Claim 17

Dependent Claim 59 words

The computer readable medium as set forth in claim 13 , wherein instructions for a plurality of themes for a repository of documents comprise instructions for: processing a plurality of documents to identify said themes for a document; and classifying said documents, including themes identified for said documents, in categories so as to relate said themes to said categories.

Claim 18

Dependent Claim 48 words

The computer readable medium as set forth in claim 13 , further comprising instructions for: storing, for reference, a knowledge base that comprises a plurality categories; and storing document theme vectors that classify said documents and said themes identified for said documents in categories of said knowledge base.

Claim 19

Dependent Claim 67 words

The computer readable medium as set forth in claim 16 , wherein instructions for selecting at least one additional document comprise instructions for: mapping said query term to a category of said knowledge base; selecting a plurality of documents classified for said category; selecting themes for said documents as identified in said document theme vectors; and selecting additional documents based on themes identified in said documents selected.

Claim 20

Dependent Claim 35 words

The computer readable medium as set forth in claim 17 , wherein instructions for selecting additional documents comprise instructions for generating at least one theme group that comprises themes common to more than one document.

Claim 21

Dependent Claim 28 words

The computer readable medium as set forth in claim 18 , further comprising instructions for ranking said theme groups based on order of importance of said theme groups.

Claim 22

Dependent Claim 35 words

The computer readable medium as set forth in claim 19 , where in the instructions for ranking said theme groups comprise instructions for ranking theme groups based on the number of themes in a group.

Claim 23

Dependent Claim 38 words

The computer readable medium as set forth in claim 19 , wherein the instructions for ranking said theme groups comprise instructions for ranking theme groups based on the highest total theme weight of themes in a theme group.

Claim 24

Dependent Claim 36 words

The computer readable medium as set forth in claim 19 , where in the instructions for ranking said theme groups comprise instructions for ranking theme groups based on document strength of documents in a theme group.

Claim 25

Dependent Claim 21 words

The computer readable medium as set forth in claim 18 , further comprising instructions for ranking documents within each theme group.

Claim 26

Dependent Claim 31 words

The computer readable medium as set forth in claim 23 , wherein the instructions for ranking documents comprise instructions for ranking documents based on theme weight of themes in a document.

Claim 27

Dependent Claim 116 words

A computer system comprising: memory for storing a plurality of themes for a repository of documents, wherein each theme for a document defines subject matter disclosed in a document, such that said themes stored for a document define the overall content for said document; and a processor unit for processing a query, which includes at least one query term, to select at least one document relevant to said at least one query term, to identify said themes for said at least one document selected, and to select, in response to said query, at least one additional document, not previously selected, that comprises at least one theme in common with said themes identified in said documents selected.

Claim 28

Dependent Claim 116 words

A computer system comprising: memory for storing a plurality of themes for a repository of documents, wherein each theme for a document defines subject matter disclosed in a document, such that said themes stored for a document define the overall content for said document; and a processor unit for processing a query, which includes at least one query term, to select at least one document relevant to said at least one query term, to identify said themes for said at least one document selected, and to select, in response to said query, at least one additional document, not previously selected, that comprises at least one theme in common with said themes identified in said documents selected.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2005-09-30	2006-04-01	2006-10-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2009-09-30	2010-04-01	2010-10-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2013-09-30	2014-04-01	2014-10-01	$7700.00	Window Closed / Lapsed

Document knowledge base research and retrieval system

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