Adobe Acrobat 7 Professional - Manual (Page 558)

Indexing Multiple Adobe PDF Documents
About using Catalog to index Adobe PDF documents
Preparing documents for indexing
Guidelines for cross-platform indexing compatibility
Adding searchable information to document properties
Guidelines for document properties information
Guidelines for catalog Readme files
Creating a search index
Updating, rebuilding, and purging existing indexes
Scheduling index updates
Moving document collections and their indexes
Setting catalog preferences