2
October 2002
De
Young/NVO-Codata
2
Trends in Astrophysical Data
Astrophysical
data is growing exponentially
Doubling
every year (Moores Law):
both data sizes and number of data sets
both data sizes and number of data sets
Computational
resources scale the same way
Constant funding levels will keep up with the
data
Main
problem is the software component
Currently
components are not reused
Software
costs are an increasingly larger fraction
Aggregate
costs are growing exponentially