Xerox Corporation provided the first public look at askOnce, information agent software that helps organizations leverage the information in documents and take action on it. askOnce is meta-search software that provides secure access to multiple internal and external knowledge sources (e.g., DocuShare or other corporate repositories, databases, web sites) to simplify and improve search, retrieval and manipulation of information. askOnce passes queries to many search engines, directories, or databases and then summarizes all the results. askOnce can even search “metadata” from each information source that is not normally visible (this might include information about the data