Process Documents from Data (Text Processing)

Parameters

• create word vectorIf checked, the tokens of a document will be used to generate a vector numerically representing the document.
• vector creationSelect the schema for creating the word vector.
• add meta informationIf checked, available meta information of the text like filename, date is added as attribute.
• keep textIf checked, the input text will be stored as a special String attribute with the role text.
• prune methodSpecifies if to frequent or to infrequent words should be ignored for word list building and how the frequencies are specified.
• prune below percentIgnore words that appear in less than this percentage of all documents.
• prune above percentIgnore words that appear in more than this percentage of all documents.
• prune below absoluteIgnore words that appear in less than that many documents.
• prune above absoluteIgnore words that appear in more than that many documents.
• prune below rankWords are ordered by frequency and words with a frequency less than the frequency of the rank given by this percentage will be pruned.
• prune above rankWords are ordered by frequency and words with a frequency higher than the frequency of the rank given by this percentage will be pruned.
• datamanagementDetermines, how the data is represented internally.
• select attributes and weightsIf checked, you might select the used text attributes and their weights. Otherwise all text attributes are used.
• specify weightsThis parameters allows to set weights per attribute. Text from attributes with higher weight will be more imporant during analysis.
• parallelize vector creationDetermines whether the execution of Vector Creation should be parallelized.