Graphical XML content and structure query system with intelligent prompt function

A prompt function and graphical technology, applied in the field of graphical XML twig query technology, can solve unreasonable, unfavorable promotion, unscientific problems, etc.

Inactive Publication Date: 2011-04-27
陆嘉恒
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AI Technical Summary

Problems solved by technology

However, these systems still require users to have knowledge of the structure and content of XML documents, but this is very difficult for ordinary users, and as XML documents become more and more complex and larger, it is necessary to check the XML documents before querying. Documentation is very unreasonable and unscientific
and not good for promoting

Method used

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  • Graphical XML content and structure query system with intelligent prompt function
  • Graphical XML content and structure query system with intelligent prompt function
  • Graphical XML content and structure query system with intelligent prompt function

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Embodiment Construction

[0021] In order to understand the present invention and its advantages more fully, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation processes.

[0022] 1. In order to facilitate a clear understanding of the period, first briefly introduce the following definitions.

[0023] XML document: The XML document is composed of various user-defined tags in a structured and orderly manner, which can be converted into an ordered tree with a root node. figure 1 is an example of converting an XML document into an ordered tree.

[0024] XQuery language: It is another XML query language. The relationship between XQuery and XML is equivalent to the relationship between SQL and database tables. XQuery uses functions to extract data from XML documents. XQuery also defines the FLWOR structure for standard query, wherein: FLWOR is the acronym for "For, Let, Where, Order by, Return". Here is an XQuery expre...

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Abstract

The invention belongs to intelligence-related extensible markup language (XML) data query technology in the technical field of information, in particular to a set of XML query system with intelligent prompt function on the basis of providing a novel XML graphical query method. In the system, the intelligent prompt function is provided to guide a user to establish query aiming at a label name and a node value on an interface for graphically establishing query. Therefore, the user can perform XML search under the conditions that the user does not know XML modes, contents and structures and even cannot write XQuery and other query languages. A sorting mechanism for comprehensively considering query results is defined in the system, and each result is scored and displayed to the user in a tree form, namely, 1, an interface supporting a graphical dragging mode to establish XML query sentences is developed; 2, an intelligent prompt algorithm is designed; 3, a mechanism for sorting the query results according to the structure and content information is designed; and 4, an interface for scoring the results and displaying the results in the tree form is developed.

Description

technical field [0001] The invention relates to the application of XML query in the application fields of information retrieval or data query, especially the graphical XML twig query technology when the user does not know the content, structure, mode and other information of the XML document to be queried. Background technique [0002] Existing XML databases allow users to submit an XPath or XQuery to query related results. This information query mode requires users to have a better understanding of the structure and content of the XML database, and to be familiar with the query language. If a user knows little about XML, he often gets confused when writing queries, so he has to learn complex DTDs or XML schemas to understand the structure of XML documents. [0003] In order to solve these problems, scholars have designed a variety of systems to simplify the user's query process. Existing graphical XML query systems can be roughly divided into two categories: (i) developin...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 陆嘉恒林春彬
Owner 陆嘉恒
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