Google Scholar Citations

Spotted on the Google Scholar Blog -

...use a statistical model based on author names, bibliographic data, and article content to group articles likely written by the same author. You can quickly identify your articles using these groups. After you identify your articles, we collect citations to them, graph these citations over time, and compute your citation metrics. Three metrics are available: the widely used h-index, the i-10 index, which is the number of articles with at least ten citations, and the total number of citations to your articles. We compute each metric over all citations as well as over citations in articles published in the last five years. These metrics are automatically updated as we find new citations to your articles on the web.

Here's the link to the full posting.