Easy full text search in multiple data sources and many different file formats: Just enter a search query (which can include powerful search operators ) and navigate through the results.

Based on a thesaurus the multilingual semantic search engine will find synonyms, hyponyms and aliases , too. Using heuristics for grammar rules like stemming it finds other word forms, too.

Easy navigation through many results with interactive filters (faceted search) which aggregates an overview over and interactive filters for (meta) data like authors, organizations, persons, places, dates, products, tags or document types.

Collaborative annotation & tagging (Social search & collaborative filtering)

Tag your documents with keywords, categories, names or text notes that are not included in the original content to find them better later (document management & knowledge management) or in other research or search contexts or to be able to filter annotated or tagged documents by interactive filters (faceted search).

Or evaluate, value or assess or filter documents (i.e. for validation or collaborative filtering).