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Generation of sentence representation

專利號(hào)
US11176333B2
公開日期
2021-11-16
申請(qǐng)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

An example structure of the decoder 420 configured to perform an NLI task will be discussed in detail for purpose of illustration only. The purpose of the NIL task is to infer the relationship between a first sentence (referred to as a premise) and a second sentence (referred to as a hypothesis) in their semantics. For example, a NIL task is to determine whether if the first sentence semantically entails the second sentence, whether the first sentence contradict with the second sentence, whether the second sentence is neutral to the first sentence.

Some examples of the NIL tasks are listed in the following Table 2. It would be appreciated that these examples are provided merely for purpose of better understanding without suggesting any limitation to the present invention.

TABLE 2 Examples of NIL tasks Premise Hypothesis Judgment A man inspects the uniform of The man is sleeping. Contradiction a figure in some East Asian country.

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