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CHAPTER 1 - Text Analysis (part IV)

Episodes and Bundles

Click on the [nn Episode(s) Detected] line of the [Text Style] in the Result frame, or use the [Show][Episodes] command.

This function enables you to study the chronology of a discourse. It is based on two notions, Bundles and Episodes:

- a Bundle groups together word occurrences (belonging to an Equivalent classes or to a Word category) that tend to appear in a remarkable density within a limited portion of the text (somewhere near the beginning, the middle or the end, but not on a regular pattern throughout the whole text).

- an Episode corresponds to a part of the text in which a number of Bundles have been formed and completed. These are large blocks of arguments, quite representative of the structure of the studied discourse.

Episodes are displayed one after the other and numbered according to their occurrence order.

Inside each Episode, Bundles are sorted out according to their address (words position average) and prefixed by the occurrence frequency of the words that comprise each Bundle.

For example, the [Universal declaration of human rights.txt] text begins with a first Episode including short Bundles about the “Member”, “State”, “Liberty” References, but also connectors, modalities… Then comes a second Episode including a rather long Bundle (beginning in the first Episode) about “Human rights” (containing 8 words), etc. The text ends with Bundles about “Work“, “Protection”, “Education”, etc. This analysis brings out the construction of the discourse by the narrator (in this case people in the U.N.), who starts his narrative (in this case an article) by talking about “Human rights”, “Liberty”, “State” and “People”, before speaking of “Declaration”, “Law” and “Offence”, and then ending his discourse by talking of “Work”, “Protection”, “Education”, etc.

Important note: different Bundles about an identical Reference may appear in various parts of the text. For instance, in the [Universal declaration of human rights.txt] text, “Liberty” forms the subject of three Bundles: one at the beginning of the text, another in the middle and the last at the end. To visualize these results, we recommend that you use an Episodes graph (see below).

It is possible to define the construction level of the Bundles (using References fields, References, or Scenario as parameters) by changing the construction base for the Relations (see Analysis options below). Using Reference fields instead of References generally results in reducing the number of Episodes detected inside the text (in that case, the software uses a smaller amount of the generic concepts that have a high occurrence frequency in the text, which results in grouping together some utterances and reducing the accuracy of the analysis).

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