{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8468155","patent":{"patent_number":"US-8468155","title":"Collaborative filtering-based recommendations","assignee":null,"inventors":[],"filing_date":"2007-06-19T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":15,"abstract":"Various techniques can be used to implement a collaborative filtering-based recommendation engine. For example, different similarity measures can be used for different users. Different similarity measures can be used for a particular user across time. A superior similarity measure can be found for a user. User-defined similarity measures can be supported."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Collaborative filtering-based recommendations","description":"Various techniques can be used to implement a collaborative filtering-based recommendation engine. For example, different similarity measures can be used for different users. Different similarity meas","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8468155","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-8468155","citation_suggestion":"Patentable. \"Collaborative filtering-based recommendations\" (US-8468155). https://patentable.app/patents/US-8468155","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8468155","json":"https://patentable.app/api/llm-context/US-8468155","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:56:46.554Z"}