Generating a hierarchical data structure associated with a plurality of known arbitrary-length bit strings used for detecting whether an arbitrary-length bit string input …

NS Artan, HJ Chao - US Patent 7,805,460, 2010 - Google Patents
Generating and using a high-speed, scalable, and easily updateable data structure are
described. The proposed data structure provides minimal perfect hashing functionality while …

URL shortening and authentication with reverse hash lookup

M Zhou, ZC Jiang, MJ Temkin - US Patent 7,698,269, 2010 - Google Patents
BACKGROUND Data, services, and other resources are generally identified with a resource
identifier Such as a uniform resource locator (URL). For example, resource identifiers are …