Báo cáo khoa học: "Lexicalized Grammar Acquisition" ppt

... lexicalized grammar in the following way. Definition 1 (Lexicalized grammar) A lexical- ized grammar is a tuple G = (L, R), where L is a lexicon, i.e. Lc Wx C, and R is a set of grammar rules, ... maintain lexicalized grammars that are both robust and provide broad coverage. One novel approach to grammar development is based on the automatic acquisition of lexicalized grammars from...

Ngày tải lên: 24/03/2014, 03:20

... Experiments in parallel-text based grammar induction. In Association for Computa- tional Linguistics. G. Kuzman, J. Gillenwater, and B. Taskar. 2009. De- pendency grammar induction via bitext projection constraints. ... A. Smith. 2009. Shared logistic normal distributions for soft parameter tying in un- supervised grammar induction. In North American Chapter of the Association for Compu...

Ngày tải lên: 30/03/2014, 21:20

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Ngày tải lên: 17/03/2014, 02:20

... (called NIGEL). The grammar used in NIGEL is a Systemic Grammar of English of the type develol:~d by Michael Halliday • - see below for references. For present DurOoses the grammar, the lexic,n ... implementing a grammar written in the systemic notation. Before turning to the lexico, part of lexicogrammar, I will give an example of the toplevel structure of a sentence generated b...

Ngày tải lên: 17/03/2014, 19:20

... work on e.g. Lexical Functional Grammar, Functional Unification Grammar. and Generalized Phrase Structure Grammar. The results may or may not generalize to Systemic Grammar; that is a matter for ... part of the grammar (the functions TEMPO o and TEMPO~). 7 IDEATIONAL CHOICES: TENSE Independent of and parallel with the grammar of mood is the grammar of tense. The two parts of the...

Ngày tải lên: 18/03/2014, 02:20

... has been achieved. 4 Grammar development with XCDG The development of a parsing grammar based on declarative constraints differs fundamentally from that of a derivational grammar, because its ... alternative analyses and their sta- tus under the current grammar. 1 Introduction For parsing real-life natural language reliably, a grammar is required that covers most syntactic structures...

Ngày tải lên: 23/03/2014, 19:20

... of syn- tax (cf. [Chomsky 1981], [Willi~ms 1980]) the most that is claimed is that Universal Grammar specifies a reper- toire of thematic relations (or case roles), Agent, Theme, Patient, ... well. Secondly, this principle says that although an argument may bear many thematic roles, the grammar picks out that function which is mazimall!; specific in its interpretation, accord-...

Ngày tải lên: 24/03/2014, 02:20