3. A method in a computer system for identifying authors that have a relationship, the method comprising: providing documents, each document having one or more authors; clustering of authors to identify author clusters of authors from the provided documents based on co-author relationships between the authors wherein authors have a co-author relationship when the authors co-author a document; calculating an importance of authors within an author cluster; for each author cluster, identifying document clusters of documents from the documents that the authors of the author cluster authored; and upon receiving a request to provide information on a selected author, selecting an author cluster that includes the selected author; displaying an indication of authors that are in the selected author cluster; and displaying an indication of the document clusters identified for the selected author cluster.
3. A method in a computer system for identifying authors that have a relationship, the method comprising: providing documents, each document having one or more authors; clustering of authors to identify author clusters of authors from the provided documents based on co-author relationships between the authors wherein authors have a co-author relationship when the authors co-author a document; calculating an importance of authors within an author cluster; for each author cluster, identifying document clusters of documents from the documents that the authors of the author cluster authored; and upon receiving a request to provide information on a selected author, selecting an author cluster that includes the selected author; displaying an indication of authors that are in the selected author cluster; and displaying an indication of the document clusters identified for the selected author cluster. 4. The method of claim 3 wherein the importance of an author is defined recursively based on the importance of the documents authored by the author.