Method for supporting full text retrieval system, and searching numerical value categorical data domain meanwhile

A numerical type, retrieval system technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as low efficiency, low text retrieval efficiency, inability to compare size or range retrieval, etc., to achieve high efficiency. Effect
CN101136014AActive Publication Date: 2008-03-05NEW FOUNDER HLDG DEV LLC +2
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NEW FOUNDER HLDG DEV LLC
Publication Date
2008-03-05

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Abstract

The method comprises: the fast index and retrieval of value type data is realized by converting the data value of value type data into the fixed-length ordered bit-string as the index item so as to realize the support of the full-text retrieval system to the value type data domain.
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Description

technical field

[0001] The invention belongs to the intelligent information processing technology, and in particular relates to a method for supporting a full-text retrieval system to simultaneously retrieve numerical data fields. Background technique

[0002] With the rapid development of computer technology and network technology, the number of electronic documents has increased dramatically. How to quickly, comprehensively and accurately find the required information in this massive amount of information has become a common concern and a hot topic in the research field. Most electronic documents are unstructured text data written in natural language, and full-text retrieval technology is currently an important means of processing text data.

[0003] There are many ways to implement full-text search, including inverted index, suffix array and signature file, etc.

[0004] The general index correspondence is from "document number" to "all words in the document". The inve...

Claims

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