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.

Date of Patent:
Mar. 15, 2011

Filed:

Nov. 14, 2006
Applicants:

Hongwei Qi, Beijing, CN;

Yuguang Liu, Beijing, CN;

Yabo Wang, Beijing, CN;

Xiaowei Liu, Beijing, CN;

Huifeng Liu, Beijing, CN;

Inventors:

Hongwei Qi, Beijing, CN;

Yuguang Liu, Beijing, CN;

Yabo Wang, Beijing, CN;

Xiaowei Liu, Beijing, CN;

Huifeng Liu, Beijing, CN;

Assignee:

NEC (China) Co., Ltd., Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08G 1/09 (2006.01); G01C 21/00 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention provides a map knowledge base generating device and a method thereof, and a traffic information query system and a method thereof. The traffic information query system, comprises: a map knowledge base generating section for generating knowledge related to attributes of roads and traffic points, attribute values corresponding to the attributes, and spatial information of the attribute values based on an electronic map so as to form a map knowledge base; and a traffic query processing section for receiving and analyzing a query form a user terminal, decomposing the query if it is determined that the query can be decomposed according to the map knowledge base, and searching a traffic information database according to the decomposed the query request.


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