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Dialogue state tracking method, system and man-machine dialogue method

A technology for tracking systems and states, applied in instruments, unstructured text data retrieval, computing, etc., and can solve the problem that the generation method is difficult to handle.

Active Publication Date: 2022-07-08
AISPEECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, generative approaches struggle when complex reasoning is required to obtain the correct answer

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  • Dialogue state tracking method, system and man-machine dialogue method
  • Dialogue state tracking method, system and man-machine dialogue method
  • Dialogue state tracking method, system and man-machine dialogue method

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Embodiment Construction

[0027] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

[0029] The invention may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Ge...

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Abstract

The invention discloses a dialogue state tracking method, which is applied to a dialogue state tracking system. The dialogue state tracking system includes an input coding module, a context-aware slot embedding module, a multi-hop gated memory network and a slot gate classifier. The method includes: inputting an input The encoding module takes the historical dialogue state and the current dialogue sentence as input, and outputs the representation of each character in the input; the context-aware slot embedding module determines the context-aware slot representation according to the current field and the current slot corresponding to the current dialogue sentence; A hop-gated memory network finds relevant values ​​according to the context-aware slot representation; a slot-gate classifier determines the category of the relevant values. The present invention uses a memory network as the decoder of the dialogue state tracker. Generate queries for the input of the memory network using a conversational encoder. The attention score obtained at the last hop is used as the probability distribution of the dialog states, and the query at the last hop is used for dialog state gate classification.

Description

technical field [0001] The invention relates to the technical field of artificial intelligence, in particular to a dialogue state tracking method, a system and a man-machine dialogue method. Background technique [0002] Dialogue State Tracking (DST, Dialogue State Tracking) is a key part of task-oriented dialogue systems and has received more and more attention. DST is expected to accurately summarize the user's intent and extract a compact representation of the dialog state. The dialog state is a set of field-slot-value triples that record all the conditions of the user, for example, train-leaveat-13:45 (the train leaves at 13:45) means that the user wants to order a train leaving at 13:45 train ticket. [0003] Traditional methods of DST rely on hand-crafted rules and rich expert knowledge. Recently, data-driven dialogue state trackers have achieved excellent performance improvements. Current deep learning based models can be divided into two categories: classificatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/332G06F16/35G06N3/04
CPCG06F16/3329G06F16/35G06N3/045
Inventor 俞凯徐子涵陈志陈露朱苏
Owner AISPEECH CO LTD