Complex sentence: Accumulo is a sorted, distributed key/value store based on Google's BigTable design, to provide a flexible, high performance distributed key/value store that provides expressive, fine-grained access labels.
Split into simpler sentences: Accumulo is a sorted, distributed key/value store based on Google's BigTable design. It is designed to provide a flexible, high performance distributed key/value store that provides expressive, fine-grained access labels.