Báo cáo khoa học: "Hard Constraints for Grammatical Function Labelling" pdf

... languages, which tend to encode grammatical functions by morphological means (Bresnan, 2001). Case features, for instance, can be important indicators of grammatical functions. Unfortunately, many of these ... case syn- cretism for the function labeller. Section 3 de- 2 Table 6 shows that for our data a model with merged category and function labels (but without hard constraint...

Ngày tải lên: 17/03/2014, 00:20

... the Association for Computational Linguistics:shortpapers, pages 676–681, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Unary Constraints for Efficient Context-Free ... nodes, and (3) striping functional tags and cross-referencing annotations. See Figure 1 for an example. Additional transforms include (4) remov- ing X → X unary productions for...

Ngày tải lên: 17/03/2014, 00:20

... of the Association for Computational Linguistics, pages 316–324, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Discriminative Pruning for Discriminative ... ITG. For instance, there are two parses for three consecutive word pairs, viz. [/ [/ / ] ] and [[/ /] /] . The problem of re- dundancy is fixed by adopting ITG normal for...

Ngày tải lên: 20/02/2014, 04:20

... Chinese Treebank talk of function tags. We will use the term function labels and function tags identically, and hence make no distinction be- tween function labeling and function tagging throughout ... LDC2005T01 Figure 1: Simplified parse tree with function tags (in black bold) for example sentence. When dealing with the task of function tag assignment (or function labeling...

Ngày tải lên: 08/03/2014, 01:20

... applications. Grishman (1995) and Hobbs et al. (1995) use phrasal information in information extraction. Alshawi (1996) uses dependency information in a machine translation system. The need to impose ... supertagging may be employed in informa- tion retrieval. Furthermore, given a sentence aligned parallel corpus of two languages and al- most parse information for the sentences of on...

Ngày tải lên: 08/03/2014, 21:20

... succinct and gener- alizable evidence than measuring the distributions for each of the inflected forms. If part-of-speech informa- tion is available in a lexicon, it is useful to compute the 4The ... tagger for Spanish would be quite costly (and require special tagged corpora). The current approach uses just the information avail- able in dictionaries, exploiting only that which is...

Ngày tải lên: 17/03/2014, 09:20

... fact that the information encoded for these does not cover very specific syntactic contexts as those found in technical texts— make high informative grammars not suitable for real applications. ... be more informative for real parsing than a general corpus. 1 Introduction The coverage of the computational lexicon used in deep Natural Language Processing (NLP) is crucial for p...

Ngày tải lên: 23/03/2014, 19:20

... important model for eukaryotic signal-responsive transcription factors for several decades, there is presently little mechanistic or structural information available regarding how Ste12 forms multimers ... [35]. URA + transformants were allowed to grow nonselectively on yeast extract peptone dextrose for 3 days to allow rear- rangement of the disintegrator, prior to streaking for sing...

Ngày tải lên: 06/03/2014, 22:21

... does not violate the constraints. We tried two different ap- proaches to enforce the constraints. In the first variant (v1), we modified the proba- bility model to enforce the constraints. Each state now ... component for syllabification and one for word stress assignment. The model for syllabification computes the most probable sequence ˆ b n 1 of syllable boundary-tags ˆ b 1 , ˆ b 2 ,...

Ngày tải lên: 17/03/2014, 04:20

... the patient has options for ‘survival’ that they did not have before, even though they are dependent on ‘life support’. There are now variables Commentary Medical treatment for the terminally ill: ... to accept the pie in the sky bye and bye long shot cure’. If the patient can just be maintained comfortably for long enough, then a cure may eventually become possible. 3. Surrogates disli...

Ngày tải lên: 25/10/2012, 10:45