H score is the crossing of the number of publications you have in journals with the number of cites each one has. The H is where you have N number of pubs that have N or more citations to them. When you have your first pub, your H is zero since no one has cited it yet. My Google H=4 as of this post, as I have four pubs that are each cited at least four times. My solo Google H is only 2. Although age of the article clearly relates, I'd say that popularity of topic is relevant. (Edit: Slashdot was hot for a while, as was online Public Sphere stuff, but that article doesn't get a lot of cites lately. Here are the Google scholar pages.)
Article (short title) | Journal | Author(s) | Year | Cited |
Mechanisms of an online public sphere | JCMC | Solo | 2005 | *25 |
To broadband or not to broadband | JoBEM | Co | 2004 | 9 |
Honey, I shrunk the world! | MCS | Co | 2006 | 8 |
Playing Internet curveball... | Convergence | Solo | 2006 | 7 |
A cross-national study of computer news sites | TIS | Solo | 2007 | 1 |
Copyright notices... | JCMC | Solo | 2008 | *1 |
Global citation patterns... | IJoC | Solo | 2009 | 0 |
Stratification and global elite theory | IJoPOR | Co | 2009 | 0 |
H values as of 9/10/09.
* indicates one self-cite, relevant, honestly!
Neither self-cite affects the Google H value.
The numbers fluctuate from time to time, up and down.