{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9811518","patent":{"patent_number":"US-9811518","title":"Systems, methods, and software for questionbased sentiment analysis and summarization","assignee":null,"inventors":[],"filing_date":"2014-07-21T00:00:00.000Z","publication_date":"2017-11-07T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06Q","G06Q","G06Q","G06Q"],"num_claims":19,"abstract":"Exemplary systems for processing a corpus of documents, such as legal contracts or agreements, are disclosed. The systems include a phrase discovery engine which derives statistics and phrase equivalence classes, groups of phrase equivalence classes, and uberphrases (clauses) bounded by phrases. These can be used to determine origins of phrases or clauses within given legal contract or to suggest alternative phrases and clauses."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems, methods, and software for questionbased sentiment analysis and summarization","description":"Exemplary systems for processing a corpus of documents, such as legal contracts or agreements, are disclosed. The systems include a phrase discovery engine which derives statistics and phrase equivale","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9811518","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-9811518","citation_suggestion":"Patentable. \"Systems, methods, and software for questionbased sentiment analysis and summarization\" (US-9811518). https://patentable.app/patents/US-9811518","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9811518","json":"https://patentable.app/api/llm-context/US-9811518","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:35:45.151Z"}