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:
May. 09, 2006
Filed:
Sep. 26, 2000
Hiroshi Maruyama, Tokyo, JP;
Kento Tamura, Machida, JP;
Naohiko Uramoto, Yokohama, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
It is one object of the present invention to perform data compression to encode the structure part of a document in a tree local language, such as XML or ASN.1. A data compression apparatus for encoding data and for compressing the encoded data comprises: a grammar rulefor a tree local language in which data are represented by a labeled tree structure; an encoderfor reading a document written in the tree local language, for dividing the document into a structure part and contents, and for encoding the structure part using the grammar rule; and a compressorfor compressing the contents of the document extracted by the encoder, and for encoding the compressed contents.