â A brief version of this work , with some additional material , first appeared as ( Eisner , 2001a ) .
expectation semirings flexible em for finitestate transducers
Jason Eisner
It is common to define further useful operations ( as macros ) , which modify existing relations not by editing their source code but simply by operating on them `` from outside . '' â A brief version of this work , with some additional material , first appeared as ( Eisner , 2001a ) . A leisurely journal-length version with more details has been prepared and is available .
â A brief version of this work , with some additional material , first appeared as ( @@CITATIONa ) .