vector data

[Alain Reymond]

Hello!

I have to manipulate vector data in an array of 55 dimensions
v(measure1, measure2, .... ,measure55) where measureN is an integer.
I have about 1 million vectors like that.

What is the best way for string and manipulating such data :
- a simple table with 55 columns ?
- a system like rasdaman ?

Second problem : I have to find proximities between vectors. Let's say I
take a point P and I want to find the 1000 closest points to P. And I
can have 50 persons doing the same kind of query at the same time.

I there a system to avoid searching the entire database and optimize the
query ? Is it the kind of application for rasdaman ?

I thank you.

Alain