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Generation of sentence representation

專利號
US11176333B2
公開日期
2021-11-16
申請人
International Business Machines Corporation(US NY Armonk)
發(fā)明人
Bang An; HongLei Guo; Shiwan Zhao; Zhong Su
IPC分類
G06F40/56; G06F40/30; G06F40/289; G06F40/58
技術(shù)領(lǐng)域
sentence,graph,word,nodes,node,syntactic,in,neighbor,may,cloud
地域: NY NY Armonk

摘要

Embodiments of the present disclosure relate to generation of sentence representation. In an embodiment, a method is disclosed. According to the method, a sentence graph is generated from a sentence containing words, the sentence graph comprising nodes representing the words and edges connecting the nodes to indicate relationships between the words. Word representations for the plurality of words are determined based on the sentence graph by applying a graph convolution operation on respective sets of neighbor nodes for respective ones of the nodes, a set of neighbor nodes for a node having edges connected with the node. A sentence representation for the sentence is determined based on the word representations for use in a natural language processing task related to the sentence. In other embodiments, a system and a computer program product are disclosed.

說明書

In some embodiments of generating a directed sentence graph 512, for any two adjacent words, the graph generation module 510 may determine whether there are a first syntactic relationship from a first one of the two words to a second one of the two words and a second syntactic relationship from the second word to the first word. In response to only the first syntactic relationship being determined, the graph generation module 510 may construct a directed edge from a first node representing the first word to a second node representing the second word to indicate the first syntactic relationship, and then construct a further directed edge from the second node to the first node to indicate the sequential relationship from the second word to the first word.

In response to only the second syntactic relationship being determined, the graph generation module 510 may construct a directed edge from the second node to the first node to indicate the second syntactic relationship, and then construct a further directed edge from the first node to the second node to indicate the sequential relationship from the first word to the second word. Alternatively, in the case where neither of the two syntactic relationships is determined, the graph generation module 510 may construct two directed edges from the first node to the second node and from the second node to the first node, respectively.

權(quán)利要求

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