Research Article
The Comparison of Grey System and the Verhulst Model for Rainfall and Water in Dam Prediction
Table 8
The search outcomes of “grey systems.”
| | Time | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | | Number of papers | 149 | 181 | 195 | 203 | 517 | 477 | 481 | 483 | 448 | 456 | | Time | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2006 | 2007 | 2008 | | Number of papers | 418 | 435 | 512 | 556 | 550 | 576 | 652 | 730 | 762 | 8781 |
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