Welcome to the Microsoft Knowledge Exploration Service. Knowledge Exploration Service (KES) offers a fast and effective way to add interactive search and refinement to applications. With KES, you can build a compressed index from structured data, author a grammar that interprets natural language queries, and provide interactive query formulation with auto-completion suggestions.
See Getting Started for a sample walkthrough of how to use KES to create an interactive search interface for an academic publications domain.
KES has moved from Cognitive Services Preview to Cognitive Research Technologies. The new homepage for the project is https://www.microsoft.com/en-us/research/project/knowledge-exploration/.