Text data semantic space-time mode exploration method based on LDA model and LSTM network
A text data, spatiotemporal technology, applied in the direction of unstructured text data retrieval, text database query, special data processing applications, etc., can solve the problem that users cannot make decisions to add to the results, affect the ability of model extraction semantics, and cannot guarantee topic models. quality and other issues to achieve the effect of reducing errors, improving speed and accuracy, and increasing accuracy
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0021] The present invention proposes a visual analysis framework to interactively explore the semantic spatiotemporal patterns of massive text data. First, the framework adopts a topic extraction method based on model integration. By projecting the extracted results of topic models with different parameters on the plane, users can intuitively understand the differences between different topics and choose topics of interest from them, thus solving the problem of inability to It is a matter of setting the parameters of the subject accurately. Secondly, the framework integrates a DataCube-based data and task organization structure, by pre-storing two types of indicators of the subject ...
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