Google Inc.

Benjamin Jay Diament

Alexander Mark Franz

Eric G Jackson

Brian Christopher Milch

Jenny Zhou

A system and method is disclosed for generating numerical index terms for numbers encountered in documents indexed by a search engine. The numerical index terms include information about the indexed number (e.g., fieldname, characteristic, sign) and each digit, or a subset of the digits, of the number (e.g., position, value). Also, disclosed is a system and method of processing number-range search queries having one or more number ranges and generating expressions (e.g., Boolean expression tree) of numerical index terms based on a boundary number associated with the number range. An expression is used to control the search of a document index so as to identify documents that contain numbers that satisfy the expression.

Number-range search system and method

A system and method for identifying language attributes through probabilistic analysis is described. A set of language classes and a plurality of training documents are defined, Each language class identifies a language and a character set encoding. Occurrences of one or more document properties within each training document are evaluated. For each language class, a probability for the document properties set conditioned on the occurrence of the language class is calculated. Byte occurrences within each training document are evaluated. For each language class, a probability for the byte occurrences conditioned on the occurrence of the language class is calculated.

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Berkeley, CA, United States of America

Benjamin Jay Diament