Dictionary Replacer

Replaces complete terms contained in the input documents that match with specified dictionary terms with a corresponding specified value. The dictionary is provided by an additional data table at the second data port, consisting of at least two string columns. One string column contains the strings to replace (keys) the other string column contains the replacement strings (values). The columns can be specified in the dialog.

Options

Preprocessing options

Document column

The column containing the documents to preprocess.

Replace documents

If checked, the documents will be replaced by the new preprocessed documents. Otherwise the preprocessed documents will be appended as new column.

Append column

The name of the new appended column, containing the preprocessed documents.

Ignore unmodifiable tag

If checked, unmodifiable terms will be preprocessed too.

Dictionary

Column containing the strings to replace

The column containing the strings (words/terms) to replace (keys).

Column containing the replacement strings

The column containing the replacement strings (values).

Replace words not in the dictionary by

If checked, all words that are not available in the dictionary are replaced by the string entered in the text field.
Note: Entering an empty string or a string consisting solely of whitespaces leads to the removal of all terms not contained in the dictionary.

Word tokenizer

Select the tokenizer used for word tokenization. Go to Preferences -> KNIME -> Textprocessing to read the description for each tokenizer.

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Workflows

• 01_Generate_Mountain_Names_TrainingKNIME Hub
• 01_TrainingKNIME Hub
• 01_TrainingKNIME Hub
• 01_TrainingKNIME Hub
• 01_Training_a_Neural_Machine_Translation_ModelKNIME Hub
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Links

• Remove multiple words from a stringby AnotherFraudUser on 2021-03-18

  forum.knime.com/p/118879

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