{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8472860","patent":{"patent_number":"US-8472860","title":"Artificial intelligence software for grading of student problem-solving work","assignee":null,"inventors":[],"filing_date":"2009-05-08T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["G09B"],"num_claims":12,"abstract":"Described is a method using a computer for grading student work on a problem when the student's own steps are shown in detail. A reference trace is created representing a best solution path to the problem. A student trace of the student's own work is then created, which involves searching explicitly for a specific rationale for appending a step to the student trace; deeming the step a correct production provided the step was able to be reproduced and marking the step as traced; provisionally accepting the step as part of the best solution path subject to revocation if a better-quality step is later found by a step conflict check; implicitly tracing the student's work to discover implicitly taken mental steps provided the explicit tracing has failed to justify the step; appending any remaining untraced steps to the student trace and excluding them from the best solution path; computing a value of the steps in the student's work to form a student value; and, comparing the student value to a total value of the steps in the reference trace to obtain a score."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Artificial intelligence software for grading of student problem-solving work","description":"Described is a method using a computer for grading student work on a problem when the student's own steps are shown in detail. A reference trace is created representing a best solution path to the pro","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8472860","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8472860","citation_suggestion":"Patentable. \"Artificial intelligence software for grading of student problem-solving work\" (US-8472860). https://patentable.app/patents/US-8472860","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8472860","json":"https://patentable.app/api/llm-context/US-8472860","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:34:46.317Z"}