week13-Understanding Wikipedia: Categories and other tools of organization-ZHONG QI

 1. Summary of the Material

The video’s second half and the guideline article talk about how Wikipedia groups information. Categories sort articles into clear structures. This helps people find related topics. First, the video explains parent categories, subcategories, hidden categories, and non-diffusing categories. Next, the reading gives rules for categorizing pages. It says categories must show important facts about a subject. Also, they should avoid small or temporary details. Finally, it warns about using too many categories.

2. New, Interesting, or Unusual Items Learned

One thing I learned was about non-diffusing categories. These let an article appear in both a main category and a smaller one. This breaks the normal structure but keeps it useful. Another point: categories aren’t like tags—they must show key facts. Also, I didn’t know many categories are "hidden." These are used for behind-the-scenes work, not for readers.

3. Question or Discussion Angle

One unclear part is how editors decide what makes a fact "important." The rules give examples, but editors often decide themselves. For example, if a musician played jazz once, should they be in "Jazz musicians"? This is hard to judge. So, clearer rules would help, especially for people’s life stories or mixed-subject topics.

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