OAIster is a union catalog of digital resources. We provide access to these digital resources by "harvesting" their descriptive metadata (records) using OAI-PMH (the Open Archives Initiative Protocol for Metadata Harvesting).
designed specifically to focus on the scientific content of the open Web, Web sites selected by Thomson Reuters scholarly experts. Stand-alone and fully integrated into ISI Web of Knowledge. blog: http://thomsonwebplus.blogspot.com/