tailieunhanh - Báo cáo khoa học: "GF Parallel Resource Grammars and Russian"

A resource grammar is a standard library for the GF grammar formalism. It raises the abstraction level of writing domainspecific grammars by taking care of the general grammatical rules of a language. GF resource grammars have been built in parallel for eleven languages and share a common interface, which simplifies multilingual applications. We reflect on our experience with the Russian resource grammar trying to answer the questions: how well Russian fits into the common interface and where the line between languageindependent and language-specific should be drawn. . | GF Parallel Resource Grammars and Russian Janna Khegai Department of Computer Science Chalmers University of Technology SE-41296 Gothenburg Sweden janna@ Abstract A resource grammar is a standard library for the GF grammar formalism. It raises the abstraction level of writing domainspecific grammars by taking care of the general grammatical rules of a language. GF resource grammars have been built in parallel for eleven languages and share a common interface which simplifies multilingual applications. We reflect on our experience with the Russian resource grammar trying to answer the questions how well Russian fits into the common interface and where the line between languageindependent and language-specific should be drawn. 1 Introduction Grammatical Framework GF Ranta 2004 is a grammar formalism designed in particular to serve as an interlingua platform for natural language applications in sublanguage domains. A domain can be described using the GF grammar formalism and then processed by GF. Such descriptions are called application grammars. A resource grammar Ranta to appear is a general-purpose grammar that forms a basis for application grammars. Resource grammars have so far been implemented for eleven languages in parallel. The structural division into abstract and concrete descriptions advocated in GF is used to separate the language-independent common interface or Application Programming Interface API from corresponding language-specific implementations. Consulting the abstract part is sufficient for writing an application grammar without descending to implementation details. This ap proach raises the level of application grammar development and supports multilinguality thus providing both linguistic and computational advantages. The current coverage is comparable with the Core Language Engine CLE project Rayner et al. 2000 . Other well-known multilingual general-purpose grammar projects that GF can be related to are LFG grammars Butt et al. .