Taxonomy

We encourage users to post events happening in the community to the community events group on https://www.drupal.org.

Discuss, collaborate on, and share code and information for developing and using taxonomy and its contributed modules (and, where relevant, the more general topic of relating content).

Have questions about categorizing, tagging, sorting, or organizing stuff in Drupal? Used taxonomy in such a great way that you have to share? Want to talk about taxonomy so advanced even more esoteric words like ontology and orthogonality are needed to describe it? Need to keep up with the latest tools for all this? We shouldn't label people, but this group is for you!

Shyamala's picture

Taxonomy vs Node reference

We are in a debate as to whether we should use taxonomy or node reference!

Our website enables selling of Products, especially for Schools and Colleges. Users can create products or purchase products on the site. The Products have some categories associated with it.
Has a tree structure, root, L1, L2,L3. Parts of the categories are repetitive.

eg. Books
-- Education
---Physics
---- Grade I
---- Grade II
---- Grade III
---Chemistry

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catch's picture

Taxonomy improvements for Drupal 7

I think it's time taxonomy module got some more love in core. Drag and drop etc. was nice to get in D6, but there's much more we could do. Also I keep seeing various taxonomy administration helper modules cropping up - which is good, but there's no core patches cropping up alongside them, which is a shame, so I'm starting this in the hope of generating some discussion about things we could do this release cycle.

There's three obvious areas where Taxonomy could use some help.

Administration:

Merging terms.
Moving terms between vocabularies.
Mass operations (delete, edit).

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TKS's picture

Displaying Taxonomy (Free Tag) Terms in the Order Entered?

Has anyone in this group found an elegant way to override the order in which Taxonomy Terms are displayed on a node? Or any way, for that matter...

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Alan D.'s picture

Content type specific taxonomy settings.

Hi all

Just wondering if anyone has played with the idea of content type specific taxonomy settings.

Currently, the only way to implement a 1-1 and a 1-n relationship between two different content types that I know of would be to do this manually via CCK or the fapi for the two types. Similar situation for required fields.

A quick look at the code, albeit a very very short look, seems that this would not be to hard to implement this. Free tagging could be more interesting. Has anyone tried this in the past?

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Content recommendation modules

I think it'd be useful to have an overview of the various content recommendation modules in this group, and eventually a comparison review in the Handbook.

Warning: several of the modules listed below are under-maintained or abandoned. I've marked the more actively maintained ones (as of 01/2013). If it's not marked maintained, it's probably not.

Featured Content (Maintained)

http://drupal.org/project/featured_content

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colin_e's picture

The "auto search children" module?

In a discussion on the main site- http://drupal.org/node/256913 it has been hinted that there is a module available to automatically do this:

When the user selects a taxonomy term to search, and that term is in a hierarchical vocabulary, automatically search the children of the term, to some predefined depth

I.e. when the user clicks on a link for "/taxonomy/term/tid" the system actually performs "/taxonomy/term/tid/1", or "/taxonomy/term/tid/all".

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gregrenner's picture

First term disappears

Greetings,
I'm having a strange issue with my taxonomy terms. It is quite possibly a views issue, but I figure I'd ask here first to see if anyone has experienced this before. Whenever I'm creating a view and want to filter by taxonomy vocab, the first term in my vocabulary is not visible in the filter. Whenever I give that term a heavier weight, it shows up in the view filter, but then the new first term disappears. Strange. Any thoughts, suggestions? Thanks all, in advance.
~Greg

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dewolfe001's picture

Is There A Way To Display Only Part of a Vocabulary?

Hello Everyone,
Is there a way (a view, an existing module, a swell hack), to limit the display of a vocabulary in a node editor?
For example:

Countries (Vocabulary)
- Africa
   - Kenya
   - South Africa
- Asia
   - Japan
   - Thailand
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rodmc's picture

XMLRPC, Taxonomies and/or Python

Hi I am new to Drupal and hence taxonomies and I need to create a way for articles which are written on a separate system to be posted to Drupal. So far I have been able to do most of what is required via XMLRPC however I am not quite sure how to add a valid taxonomy to an article and post it at the same time. For example can I write the taxonomy to the article at the same time as it is posted or is there another way I should do it, also what is the format of the data which I should use? I am writing the module using Python.

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aclight's picture

Want issue tagging? We're now one step closer.

A while back catch created a feature request for the Project issue tracking module to allow free tagging on issues (see http://drupal.org/node/187480). The use case he indicated was to be able to attach certain labels to issues, for example benchmark, needs re-roll, needs doxygen, etc. Other use cases would include tagging issues that need testing in certain ways (eg. MySQL, PGSQL, Javascript, IE, etc.) and tagging issues that are good for certain audiences (eg. newbie, GHOP, DROP, etc.).

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geek-merlin's picture

Private / Personal Vocabularies in Taxonomy (hack og_vocab?)

Just looking around for components for an issue tracking system. One key feature would be that users can setup their own controlled vocabulary for their issues...

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angeliti's picture

Taxonomy construction using WordNet?

WordNet (http://wordnet.princeton.edu/) is a large lexical database of English. Nouns, verbs, adjectives and adverbs are grouped into sets of cognitive synonyms (synsets), each expressing a distinct concept. Synsets are interlinked by means of conceptual-semantic and lexical relations.

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As If's picture

Usernames as Vocabularies

One possible approach to taxonomy on a social networking/community site is to give each user their own Vocabulary. The following snippet does just that. It is a basic no-frills hack for creating a Vocabulary with the name of the current User (first it checks to make sure such a Vocab doesn't already exist). I left the "echo" lines in it so you can see what it's doing. Feel free to bang on it, bag on it, chop it up, use it in your modules, whatever.

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Anonymous's picture

Taxonomy blacklist - because not all terms are created equal

I have release a new Drupal module regarding taxonomies, called Taxonomy blacklist.
This module lets administrators blacklist a set of terms on vocabularies. This is useful if a vocabulary can be modified by your end-users (prevents bad words from polluting your tags on a social-networking site, for instance) or if the vocabulary is feeded automatically (for instance with keywords extracted automatically through the Yahoo Term Extraction module).

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john.freebury's picture

TAC as multisite solution -- groups and domains as roles, using roles.

There's a new tutorial at http://drupal.org/node/200631 which is a different approach to Taxonomy Access Control than I have seen, a very different approach to Groups (as a concept), and multiple Domains (hence a multisite solution). I am trying to discern what is going on with og, mulltisite, domain access, and TAC generally.

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mlncn's picture

Bulk categorization of content: Taxonomy Node Operations

For mass categorization or labeling of Drupal content, use the "taxonomy node operations" module:

http://drupal.org/project/taxonomy_node_operations

"Adds the ability to assign terms to nodes in the node operations dropdown in admin/content/node."

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mlncn's picture

The great taxonomy usability cleanup

Help rewrite the taxonomy help page

The taxonomy help page text is not quite as good as it could be. Please help rewrite it. This is a wiki page. Discuss changes in comments and weave them back into the main text. I'll include the text twice. The first text is the reference and the second instance of the text is the revised text that we'll try to put into Drupal 6.

Here it is - the current text as a reference:

The taxonomy module is one of the most popular features because users often want to create categories to organize content by type. A simple example would be organizing a list of music reviews by musical genre.

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Michael Hofmockel's picture

Taxonomy - What is it and what can it do for me?

Start: 
2007-11-27 03:00 - 05:00 Etc/GMT-4

Our next meeting will address the question, "Taxonomy - What is it and what can it do for me?"

I know our last meeting was just two nights ago. But it is clearly time for a discussion on taxonomy. Let's see if we can't get a discussion going before the meeting and set ourselves up to delve deep into taxonomy at our next meeting.

For simplicity sake, Ontology and Taxonomy are the same thing.

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mlncn's picture

Taxonomy select CCK fields

The stormy land where CCK meets taxonomy is looking more promising all the time.

Adding to CCK Taxonomy and Content Taxonomy there's a couple more that are even more exciting to me, because I think they emphasize using taxonomy to store their data and relationships.

http://wimleers.com/blog/new-module-hierarchical-select - very slick.

http://drupal.org/project/cck_taxonomy_ssu - allows multiple select.

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