> For the complete documentation index, see [llms.txt](https://xoops.gitbook.io/xoonips-tutorial/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xoops.gitbook.io/xoonips-tutorial/1overview/2.-main-features/22data_classification.md).

# 2.2. Data classification

## 2.2.1. Data classification by item type <a href="#id-2-2-1-data-classification-by-item-type" id="id-2-2-1-data-classification-by-item-type"></a>

XooNIps is designed to support a variety of item types (12 different data formats). Besides, it provides advanced features to apply to emerging formats.

## 2.2.2. Index trees to classify / manage items <a href="#id-2-2-2-index-trees-to-classify-manage-items" id="id-2-2-2-index-trees-to-classify-manage-items"></a>

The items will be organized by the Index Tree. The Index Tree consists of the following publication areas: Public, Group and Private. Each of the areas consists of keywords so that the items can be logically and effectively sorted.

![XooNIps](/files/-LTR30NmHYvONGPd1bXp)

**Figure 1.3. XooNIps**

## 2.2.3. Data search <a href="#id-2-2-3-data-search" id="id-2-2-3-data-search"></a>

The following search options are available on XooNIps.

* Directory search by index trees
  * Choose an index tag (public, group and private) to view the item list.
* Keyword search
  * Choose a keyword at the default field.
* Detail search
  * Specify a search condition on each item type field.