The Concepts tab

The Text Analytics Workbench includes several main tabs. With the Concepts tab, you can create and explore concepts as well as explore and tweak the extraction results.

Concepts refer to the most basic level of extraction results available to use as building blocks, called descriptors, for your categories. Categories refer to a group of closely related ideas and patterns to which documents and records are assigned through a scoring process.

Figure 1. Concepts tab
Concepts tab

The Concepts tab is organized into panes:

Concepts pane

This area presents the extraction results. When you run an extraction, the extraction engine reads through the text data, identifies the relevant concepts, and assigns a type to each. Concepts are words or phrases extracted from your text data. Types are semantic groupings of concepts stored in the form of type dictionaries. When the extraction is complete, concepts and types appear with color coding in this pane.

When you select a row (a concept) in the pane, you can then display information about corresponding documents/records or descriptors.

With no concepts selected, you can click the Settings icon to change the extraction settings. For details, see Setting options. You can also click the Filter icon to filter the concepts that are displayed

Text mining is an iterative process in which extraction results are reviewed according to the context of the text data, fine-tuned to produce new results, and then reevaluated. Extraction results can be refined by modifying the linguistic resources. This fine-tuning can be done in part directly from the Concepts tab, but also directly from the Resource editor view.

Preview pane

The Preview pane is located on the right. This pane presents a table containing the documents or records corresponding to the concept you select. Depending on what you select, only the corresponding text appears in the Preview pane.

When you select a concept, the corresponding documents or records show the concepts highlighted in color to help you easily identify them in the text. You can also hover over color-coded items to see a tooltip that shows the name of the concept under which it was extracted and the type to which it was assigned.

Searching the Concepts tab

In some cases, you may need to locate information quickly in a particular section:

  1. Click the Find icon at the top of the Concepts tab to display the search field.
  2. Type the word string you want to search for. You can use the up and down arrow buttons to control the direction of your search. If a match is found, the text is highlighted.
  3. To look for the next match, click the arrow button again.