Complex sentence: Similar to the Chandler PIM, the Haystack system unifies handling different types of unstructured information through a common representation in RDF that is presented to the users in a configurable human-readable way.
Split into simpler sentences: Similar to the Chandler PIM, the Haystack system unifies handling different types of unstructured information. This information has a common representation in RDF that is presented to users in a configurable human-readable way.