The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2008
Filed:
Apr. 18, 2000
Norbert Roma, Pittsburgh, PA (US);
Norbert Roma, Pittsburgh, PA (US);
Claritech Corporation, Pittsburgh, PA (US);
Abstract
The delivery ratio of r (which is a fraction between 0 and 1) partitions a stream of documents into a section of top scoring r-fraction of documents and the remainder. This way a set of successively bigger delivery ratios, r, r, r, . . . sections the stream into tiers. Any given document is assigned to a tier according to how many delivery ratio thresholds it matched or surpassed and how many it failed to reach. This creates a scoring structure which reflects the specificity of the document with respect to a profile in terms of density of relevant documents in the stream. In other words, a document in the ktier is such that it failed to be classified in the top rratio of the stream (thus rfraction of the stream is more relevant to the given profile than the document under consideration). At the same time this document was classified as being in the top rpart of the stream. Thus this mechanism defines a score (let's call it σ) for a document depending on how it compares to other documents in the stream when scored against a given profile.