Label expansion method and device for document search and computer storage medium
A label and document technology, applied in the field of information management, can solve the problems of time-consuming and labor-consuming, low efficiency of document search, etc., and achieve the effect of improving efficiency and saving human and material resources
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Embodiment 1
[0091] see figure 1 , figure 1 It is a schematic flowchart of a method for label expansion of document search disclosed in an embodiment of the present invention. like figure 1 As shown, the tag expansion method of the document search can include the following operations:
[0092] 101. Detect an input initial tag, where the initial tag is used to search for documents associated with the initial tag.
[0093] In this embodiment of the present invention, the initial label may be manually input into the document search system, and the initial label may be any word, any word, or any sentence, which is not limited in the embodiment of the present invention . For example, when you want to search for documents related to patrol inspection from the document library, the initial label can be "patrol inspection"; when you want to search for documents related to power towers from the document library, the initial label can be "power towers" , when you want to search for documents re...
Embodiment 2
[0100] see figure 2 , figure 2 It is a schematic flowchart of another method for label expansion of document search disclosed in the embodiment of the present invention. like figure 2 As shown, the tag expansion method of the document search can include the following operations:
[0101] 201. Detect an input initial tag, where the initial tag is used to search for documents associated with the initial tag.
[0102] 202. Determine the category range of the initial label.
[0103] 203. Perform feature extraction on the initial label to obtain label feature information.
[0104] In an optional embodiment, performing feature extraction on the initial label to obtain label feature information, which may include:
[0105] Feature extraction is performed on the initial tag based on a tag right attribute to obtain first tag feature information, wherein the tag right attribute includes tag frequency and / or tag length;
[0106] Perform feature extraction on the initial tag base...
Embodiment 3
[0147] see image 3 , image 3 It is a schematic structural diagram of a tag expansion device for document search disclosed in an embodiment of the present invention. like image 3 As shown, the apparatus may include:
[0148] A detection module 301, configured to detect an input initial tag, where the initial tag is used to search for documents associated with the initial tag;
[0149] The label expansion module 302 is configured to expand the initial label based on the label expansion model to obtain an expanded label set, and the expanded label set includes the initial label;
[0150] The search module 303 is configured to perform a search in the document library according to the extended tag set to obtain a target document set, where the target document set includes a document associated with a certain tag in the extended tag set.
[0151] It can be seen that, implementing the tag expansion method for document search described in the embodiment of the present invention c...
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