Complex sentence: Fast Infoset is an international standard that specifies a binary serialization encoding format for the XML Information Set ("XML Infoset") that is more efficient than the text-based XML format.
Split into simpler sentences: Fast Infoset is an international standard that specifies a binary encoding format for the XML Information Set ("XML Infoset") as an alternative to the XML document format. It aims to provide more efficient serialization than the text-based XML format.