A RDF structured query automatic construction method based on vector space
A technology of structured query and vector space, applied in the field of automatic construction of RDF structured query based on vector space, can solve problems such as low efficiency
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[0075] The present invention provides a method for automatically constructing RDF structured query based on vector space. Firstly, the RDF graph is mapped to a continuous vector space by using generalized local subgraphs, and the vector representation of each node and edge in the RDF graph is learned; and then given After expressing the query intent through the natural language question, firstly extract the entities and relational phrases in the question, and match them in the RDF graph to obtain candidate matching nodes and edges; Express it as a vector and calculate the optimal query structure; finally, use the translation mechanism to select the optimal matching nodes and edges in each candidate set and generate the target structured query.
[0076] see figure 1 , the present invention a kind of RDF structured query based on vector space automatic construction method, comprises the following steps:
[0077] S1. Define the local subgraph of nodes and edges in the RDF graph....
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