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1. (WO2006128238) A METHOD FOR SUMMARISING KNOWLEDGE FROM A TEXT
Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

CLAIMS

1. A method of summarising knowledge from a text including the steps of:
determining some concepts from the text;
generating a set of candidate relationships between the concepts;
generating a set of relationships based on the set of candidate relationships
according to predetermined criteria; and
generating a decision model based on the set of relationships.
2. A method according to claim 1 wherein the step of determining some concepts from the text further includes the step of identifying some terms in the text and determining concepts for at least some of the terms.
3. A method according to claim 2 wherein the step of identifying terms in the text includes the step of searching the text for terms matching a pre-defined set of terms.
4. A method according to any preceding claim wherein the step of determining
concepts includes the step of looking up possible concepts from a look up table of terms and concepts.
5. A method according to any preceding claim wherein the step of generating a
set of candidate relationships is based on relationships that are common to the field of the subj ect matter to which the text relates .
6. A method according to any preceding claim wherein the predetermined criteria include removing a candidate relationship that is implausible according to
relationship constraint rules.
7. A method according to any preceding claim wherein the predetermined criteria include retaining a candidate relationship that is supported by evidence in the text.
8. A method according to any preceding claim wherein the predetermined criteria include modifying a candidate relationship if it is determined to be incorrect.

9. A method according to any preceding claim wherein the predetermined criteria include inferring a candidate relationship if it is determined to be missing.

10. A method according to any preceding claim further including the step of
testing the decision model for internal consistency.
11. A method according to any preceding claim further including the step of
combining the decision model with other decision models derived from other texts.
12. A computer system configured to conduct a method according to any one of claims 1 to 8.
13. A computer program arranged to cause a computing system to conduct a method according to any one of claims 1 to 8.
14. A system for summarising knowledge from a text, the system including:
determining means for determining some concepts from the text;
means for generating a set of candidate relationships between the concepts; means for generating a set of relationships based on the set of candidate relationships according to predetermined criteria; and
means for generating a decision model based on the set of relationships.
15. A system in accordance with claim 14, wherein the determining means is arranged to identify some terms in the text and determine concepts for at least some of the terms.
16. A system in accordance with claim 15 , wherein the determining means is arranged to identify terms in the text by searching the text for terms matching the predefined set of terms.
17. A system in accordance with claim 14, 15 or 16, including a look-up table of terms and concepts, and wherein the determining means is arranged to look up possible concepts from the look-up table.
18. A system in accordance with any one of claims 14 to 17, wherein the means for generating a set of committed relationships is arranged to determine the relationships from relationships that are common to the field of the subject matter to which the text relates.
19. A system in accordance with any one of claims 14 to 18, wherein the predetermined criteria may include removing a candidate relationship that is implausible according to relationship constraint rules.
20. A system in accordance with any one claims 14 to 19, wherein the
predetermined criteria may include retaining a candidate relationship that is supported by evidence in the text.
21. A system in accordance with any one of claims 14 to 20, wherein the predetermined criteria may include modifying a candidate relationship if it is determined to be incorrect.
22. A system in accordance with any one of claims 14 to 21 , wherein the predetermined criteria may include inferring a candidate relationship if it is determined to be missing.
23. A system in accordance with any one of claims 14 to 22, further including a testing means for testing the decision model for internal consistency.
24. A system in accordance with any one of claims 14 to 23, further including the combination means for combining the decision model with other decision models derived from other texts.
25. A method of summarising knowledge from a text including the steps of: determining some concepts from the text;
generating a set of candidate relationships between the concepts;
generating a set of relationships based on the set of candidate relationships according to predetermined criteria; and
generating a summary based on the set of relationships.
26. A system for summarising knowledge from a text, the system including: determining means for determining some concepts from the text; means for generating a set of candidate relationships between the concepts; means for generating a set of relationships based on the set of candidate relationships according to predetermined criteria, and means for generating a summary based on the set of relationships.