`gensim.models.TfidfModel.TfidfModel` is a class in the `gensim` library for Python that implements Term Frequency-Inverse Document Frequency (TF-IDF) model. The TF-IDF model is extensively used in information retrieval and text mining tasks to convert raw text documents into feature vectors, which can then be used for various machine learning algorithms. The `TfidfModel` class takes a corpus of documents as input and calculates the TF-IDF values for each term in each document, representing the importance of a term in a document relative to the entire corpus. It provides methods to transform new documents into TF-IDF weights and enables similarity queries between documents based on their TF-IDF representations.
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