Distributed information collection method and system

An information collection and subsystem technology, which is applied in the field of distributed collection methods and systems of spatial information, can solve the problems of long collection period, cannot guarantee the timeliness and effectiveness of information collection, etc. The speed of update, the effect of improving efficiency

Active Publication Date: 2009-02-18
BEIJING LINGTU SOFTWARE TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a distributed collection method and system for information, so as to solve the problem that the timeliness and effectiveness of information collection cannot be guaranteed due to too long collection period, improve the speed of information collection and update, and reduce collection costs

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  • Distributed information collection method and system
  • Distributed information collection method and system
  • Distributed information collection method and system

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Embodiment Construction

[0040] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0041] With the rapid development of the Internet, the information on the network has shown explosive growth, and the amount of spatial information distributed in the network is very considerable. The present invention makes full use of this resource when collecting information on points of interest, and proposes a method of collecting interest points through the network. Scheme of point information.

[0042] Since the POI information in the network usually has semi-structured characteristics, that is, it has a certain structure but the semantics are not definite enough. Typical HTML webpages have some fields that are definite and some fields are not, so information extraction technology can be used to collect them. these messages...

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Abstract

The invention discloses a distribution type collection method and system for information which solves problem that too long collection period can not guarantee timeliness and effectiveness of information collection, promotes information collection and updating speed, reduces collection cost. The method comprises: establishing collection task by configuring collection parameter, dividing task to multiple task packet according to collection parameter; server terminal dispatching distribution type client terminal and sends collection parameter and task packet to request client terminal; client terminal performs collection task and acquires web page according to collection parameter and collects needed information. The inventive method provides a highly effective and stable information collection scheme and task dispatching scheme, fully utilizes network resource and computing resource, effectively promoting information collection efficiency and data updating speed, guarantees effectiveness of collected information by utilizing space information quantity distributed in network and combining information extraction technology and distribution type technology.

Description

technical field [0001] The invention relates to spatial information processing technology, in particular to a distributed collection method and system for spatial information. Background technique [0002] As the most frequently used and widely used information in spatial information, the collection and update technology of POI information is an important issue affecting the application of GIS. The point-of-interest information refers to information related to spatial locations that people are interested in or useful to people, such as restaurants, shopping malls, residential areas, and the like. The purpose of collecting point-of-interest information is to use it in the map making process, and finally reflected in spatial information services such as network map services and navigation services. Map producers will use the POI information to compile maps, and end users can use these POI information through web map services, car navigation systems, or location-based services...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F17/30G06F17/40
Inventor 孙亚夫张高峰吴运超
Owner BEIJING LINGTU SOFTWARE TECH CO LTD
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