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Table-based retrieval method and device

A form and retrieval module technology, applied in the field of information retrieval, can solve problems such as insufficient intelligence and flexibility, and achieve the effect of improving the solution rate

Pending Publication Date: 2020-01-31
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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AI Technical Summary

Problems solved by technology

Therefore, the multi-round process of slot collection needs to be determined in advance and is not easy to change, not smart and flexible enough

Method used

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  • Table-based retrieval method and device

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Embodiment Construction

[0049] In the following, only some exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature and not restrictive.

[0050] figure 1 A flowchart showing a table-based retrieval method according to an embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0051] Step 101 , search according to the slot corresponding to the initial question, and obtain the search result.

[0052] Step 102, judging whether the number of retrieval results exceeds a threshold.

[0053] Step 103, if the number of retrieval results exceeds a set threshold, perform at least one interactive retrieval step. If the threshold is not exceeded, the retrieval can be ended.

[0054] Among them, such as figure 2 As s...

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Abstract

The embodiment of the invention provides a table-based retrieval method and device . The method comprises the steps of conducting retrieval according to a slot position corresponding to an initial problem to obtain a retrieval result; judging whether the number of the retrieval results exceeds a threshold value or not; if the number of the retrieval results exceeds a set threshold value, performing at least one interactive retrieval step; wherein the interactive retrieval step comprises the steps of determining unused slots according to slot sorting information, generating an inquiry statementby utilizing the unused slots, collecting interactive problems according to the inquiry statement, and combining the slots corresponding to the interactive problems with the used slots for retrievalagain to obtain a retrieval result. According to the embodiment of the invention, whether interactive retrieval is carried out or not can be determined according to the retrieval result, a slot collection process does not need to be fixed in advance, and the unused slot is determined according to the slot sorting information, so that multiple rounds of dialogues during table-based retrieval are more intelligent and flexible, and the problem solving rate of a user can be increased.

Description

technical field [0001] The invention relates to the technical field of information retrieval, in particular to a table-based retrieval method and device. Background technique [0002] In knowledge form question answering, users only provide a small amount of information in many cases, but the system will retrieve a large number of results that meet the user's needs. If such a large number of answers are presented to the user, it does not meet the user's expectations. Therefore, filter the results by collecting more information through multiple interactions. [0003] At present, when the knowledge table is used for retrieval, it is basically collected in fixed and definite slots. Each interaction requires a fixed slot. Therefore, the multi-round process of slot collection needs to be determined in advance and is not easy to change, which is not smart and flexible enough. Contents of the invention [0004] Embodiments of the present invention provide a form-based retriev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/242
Inventor 陈林李昱昕吴伟佳卜建辉
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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