3. The system according to claim 1 wherein said document rater comprises a relevance rater using the first computer algorithm to yield a relevance score which rates relevance of each of said multiplicity of electronic documents to an issue.
3. The system according to claim 1 wherein said document rater comprises a relevance rater using the first computer algorithm to yield a relevance score which rates relevance of each of said multiplicity of electronic documents to an issue. 4. The system according to claim 3 wherein said document discriminator comprises a metadata-based relevant-irrelevant document discriminator characterized in that said at least one metadata value correlates with relevance of said electronic documents to the issue.