Short text feature extraction method
A feature extraction and short text technology, applied in special data processing applications, instruments, calculations, etc., can solve problems such as unclear topics of short texts and sparse features of short texts
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[0055] Below in conjunction with accompanying drawing, further describe the present invention through embodiment, but do not limit the scope of the present invention in any way.
[0056] The present invention provides a short text feature extraction method, which extracts short text features based on the knowledge base and syntactic analysis method, calculates the weight of each topic, and uses the topic vector as the final feature vector of the short text to solve the problem of short text The problem of sparse features and unclear topics in short texts; including the model training process and feature extraction process.
[0057] The short text data can be divided into training set data, verification set data and test set data. The short text feature extraction method specifically includes the following steps:
[0058] 1. Model training process: train on the training set data; use the verification set data to verify, and obtain the weight group W corresponding to the highes...
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