> For the complete documentation index, see [llms.txt](https://docs.elinor-app.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.elinor-app.com/features.md).

# Features

## 1. Ontology Management

Translate your domain into a structured ontology - a digital representation of your expertise. elinor represents ontologies as linked data using the SKOS standard - making them easy to reuse, adapt and share. 

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* Rich concept descriptions using preferred labels and alternative labels.
* Unlimited nested hierarchical models
* Multi-lingual by default
* Linked Open Data ready&#x20;

## 2. Annotation Management

Upload and classify thousands of documents effortlessly: Annotate documents, named entities, or word sequences using your domain ontology. Our annotation interface makes your life easy - even with hundreds of concepts.

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* Intuitive annotation process
* Never lose oversight - even with hundreds of concepts
* Annotate entities, spans, or whole documents
* Results can immediately be analyzed or used as training data

## 3. Collaboration & Project Management

With our flexible and collaborative project structure, you can work in teams and iterate over ontologies and annotation guidelines to achieve scientific-grade results.

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* Structure the annotation process using experiments
* Automatically distribute tasks for different purposes
* Include domain experts in the process to achieve the best results
* Develop annotation guidelines in the app

[**Book a demo now**](https://meetings-eu1.hubspot.com/johannes-mueller) and get a free consultation from our NLP experts!