# 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.

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

* 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.

* 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!