tailieunhanh - Báo cáo khoa học: "An Open Source Environment for Compiling Typed Unification Grammars into Speech Recognisers"

We present REGULUS, an Open Source environment which compiles typed unification grammars into context free grammar language models compatible with the Nuance Toolkit. The environment includes a large general unification grammar of English and corpus-based tools for creating efficient domainspecific recognisers from it. We will demo applications built using the system, including a speech translator and a command and control system for a simulated robotic domain, and show how the development environment can be used to edit and extend them. . | An Open Source Environment for Compiling Typed Unification Grammars into Speech Recognisers Manny Rayner Beth Ann Hockey and John Dowding RJACS Mail Stop T27A-2 NASA Ames Research Center Moffett Field CA 94035-1000 USA mrayner bahockey jdowding @ Abstract We present REGULUS an Open Source environment which compiles typed unification grammars into context free grammar language models compatible with the Nuance Toolkit. The environment includes a large general unification grammar of English and corpus-based tools for creating efficient domainspecific recognisers from it. We will demo applications built using the system including a speech translator and a command and control system for a simulated robotic domain and show how the development environment can be used to edit and extend them. 1 Introduction This demo presents REGULUS an Open Source environment that supports efficient compilation of typed unification grammars into speech recognis-ers. The basic intent is to provide a set of tools to support rapid prototyping of spoken dialogue applications in situations where little or no corpus data exists. The environment has already been used to build over half a dozen applications with vocabularies of between 100 and 500 words. We will be demoing some of them here along with examples of how the development environment can be used to edit and extend them. The rest of this document is organised as follows. Section 2 describes the grammar formalism and the grammar-to-recogniser compiler process. This includes a tool which allows construction of domain-specific grammars by corpus-based specialisation of a large general uniHeation grammar for English. Section 3 describes the interactive development environment. Section 4 describes how we intend to structure the actual demo. The final section contains instructions for downloading and installing REGULUS. 2 Compiling Unification Grammars into Recognisers The core functionality provided by the REGULUS environment is .