Service discovery method based on clustering and Gaussian LDA
A service discovery and clustering technology, applied in the field of service computing, can solve the problems of large number of Web services, difficult management and retrieval, user semantic sparsity, etc., to achieve the effect of narrowing the search space, improving retrieval efficiency, and alleviating semantic sparsity
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[0052] The present invention will be described in further detail below.
[0053] This paper proposes a Web service discovery method based on clustering and Gaussian LDA. The model as a whole is divided into three parts: service clustering, service modeling and service query.
[0054] Service clustering, including service clustering and cluster selection. For service clustering, use Doc2Vec to represent each Web service description document in the dataset as a fixed-dimensional vector, and then use the modified K-Means algorithm to cluster the Doc2Vec vector set. Cluster selection, after using the query expansion of the service query module to expand the user query, calculate the cosine similarity between the user query and each cluster for cluster selection.
[0055] Service modeling, using Word2Vec to represent all words in the dataset as a fixed-dimensional vector, and map the words to generate a corpus of target classes. Then, the two are used as the input of Gaussian LD...
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