For that you already have simple sequence files. A DRM is always going to be at least DRM<Key extends WritableComparable, Vector>
The questions are what can Key be and what kinds of Vector exist. On Thu, Feb 10, 2011 at 1:08 AM, Lance Norskog <[email protected]> wrote: > Yup, me too. For elements it would be DRM<Writable,Writable> instead > of DRM<Writable, Vector>. > > On 2/9/11, Ted Dunning <[email protected]> wrote: > > Ahh... I read it as elements. As in adjacency matrix for a graph. > > > > On Wed, Feb 9, 2011 at 5:54 PM, Dmitriy Lyubimov <[email protected]> > wrote: > > > >> Ted, booleans as elements or booleans as row labels? i read the issue > >> as an issue of row labels, not what's packed inside VectorWritable? > >> > >> Thank you. > >> > >> On Wed, Feb 9, 2011 at 5:47 PM, Ted Dunning <[email protected]> > wrote: > >> > DRM's of booleans would be a useful special case for a number of > things, > >> > especially if you backed it with a sparse boolean matrix and vector > >> > implementation. > >> > > >> > > > > > -- > Lance Norskog > [email protected] >
