# Educational Videos

These videos were produced by the Digital Discourse Lab to introduce the corpus
linguistic methods behind the Swiss-AL tools. They are designed to work on their
own — in a seminar, a workshop, or self-study — as well as alongside the tool
documentation.

:::{admonition} Reuse and attribution
:class: tip

All videos on this page are published under
[CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).

Suggested attribution:

> ZHAW Digital Discourse Lab (2026). *[Video title]*. Swiss-AL Open Educational
> Resources. CC BY 4.0. https://swiss-al.zhaw.ch

:::

## Topic Modeling

<!-- TODO: duration, language, whether subtitles are available -->
*02:06 · German · Subtitles: English*

What topic models are, what outputs they produce and how to understand the output.

<video controls preload="metadata" width="100%" poster="_static/videos/poster_image_topic_modeling.png">
  <source src="_static/videos/topic_modeling.mp4" type="video/mp4">
  <a href="_static/videos/topic_modeling.mp4" download>Download the video</a>
</video>

Related documentation: [Topics](explore-corpus.md#topics) ·
[Download the video](_static/videos/topic_modeling.mp4)

## Keywords

<!-- TODO: duration, language, subtitles -->
*02:13 · German · Subtitles: English and German*

How keyword analysis identifies terms that are unusually frequent in one corpus
compared with another, and what the results can tell us.

<video controls preload="metadata" width="100%" poster="_static/videos/poster_image_keywords.png">
  <source src="_static/videos/keywords.mp4" type="video/mp4">
  <track kind="captions" srclang="de" label="Deutsch" src="_static/videos/Keywords_UT_de.vtt">
  <track kind="captions" srclang="en" label="English" src="_static/videos/Keywords_UT_en.vtt" default>
  Your browser does not support the video tag.
  <a href="_static/videos/keywords.mp4">Download the video</a>.
</video>

Related documentation: [Keywords](explore-corpus.md#keywords) ·
[Download the video](_static/videos/keywords.mp4)

## Measuring Frequency and Distribution

<!-- TODO: duration, language, subtitles -->
*02:28 · German · Subtitles: English and German*

Why raw frequency counts mislead when corpora differ in size, what words per
million measure, and how to read distributions over time, source, and category.

<video controls preload="metadata" width="100%" poster="_static/videos/poster_image_frequency.png">
  <source src="_static/videos/frequency_and_distribution.mp4" type="video/mp4">
  <track kind="captions" srclang="de" label="Deutsch" src="_static/videos/Frequenz_Distribution_UT_de.vtt">
  <track kind="captions" srclang="en" label="English" src="_static/videos/Frequenz_Distribution_UT_en.vtt" default>
  Your browser does not support the video tag.
  <a href="_static/videos/frequency_and_distribution.mp4">Download the video</a>.
</video>

Related documentation:
[Distribution of Words](search-corpus.md#distribution-of-words) ·
[Download the video](_static/videos/frequency_and_distribution.mp4)

## Grounded Theory

*04:23 · German · Subtitles: German*

Brief introduction into the methodological approach of Grounded Theory and how it can be applied to corpus linguistic discourse analysis.

<video controls preload="metadata" width="100%" poster="_static/videos/poster_image_grounded_theory.png">
  <source src="_static/videos/grounded_theory.mp4" type="video/mp4">
  Your browser does not support the video tag.
  <a href="_static/videos/grounded_theory.mp4">Download the video</a>.
</video>

[Download the video](_static/videos/grounded_theory.mp4)

## Theoretische Grundlagen der Modellierung

*03:20 · German · Subtitles: German*

Why creating a corpus can be viewed as a form of modeling.

<video controls preload="metadata" width="100%" poster="_static/videos/poster_image_modellierung.png">
  <source src="_static/videos/modellierung.mp4" type="video/mp4">
  Your browser does not support the video tag.
  <a href="_static/videos/modellierung.mp4">Download the video</a>.
</video>

[Download the video](_static/videos/modellierung.mp4)


## Prinzipien der Diskursanalyse

*05:15 · German · Subtitles: German*

A brief introduction to the principles of discourse analysis as set out by Michel Foucault.

<video controls preload="metadata" width="100%" poster="_static/videos/poster_image_modellierung.png">
  <source src="_static/videos/prinzipien_der_diskursanalyse.mp4" type="video/mp4">
  Your browser does not support the video tag.
  <a href="_static/videos/prinzipien_der_diskursanalyse.mp4">Download the video</a>.
</video>

[Download the video](_static/videos/prinzipien_der_diskursanalyse.mp4)

:::{admonition} Credits
:class: note
Concept and script: ZHAW Digital Discourse Lab, Frame Eleven· Narration: Matthias Fluor· Animation and editing: Frame Eleven
:::