The Documentum DQL connector will crawl content from Documentum. 

Features

Some of the features of the Documentum connector include:

• User Users can provide crawls based on his their own defined DQL SELECT statements
• Performs incremental crawling (so that only new/updated documents are indexed) based on the last modify date of the document
• Fetches access control lists (ACLs) for Documentum document-level security (including individual, group, and system-wide permissions)
• Is search engine independent
• Runs from any machine with access to the given Documentum repository
• Designed to support early binding mechanisms and group expansion of nested permissions