Báo cáo khoa học: "General-to-Specific Model Selection for Subcategorization Preference*" pot

... context in- formation at the sentence level, we adopt the topical context information in our method for the following reasons: (1) the topic informa- tion captures the context information beyond the ... Entropy based Rule Selection Model for Syntax-based Statistical Machine Translation. In Proc. of EMNLP 2008, pages 89-97. 468 Proceedings of the 50th Annual Meeting of the Association...

Ngày tải lên: 19/02/2014, 19:20

... checked for minimality during a second. Since update-node is a general mechanism for adding or modifying information to a node on the basis of c-commanding constituents it is fairly straightforward ... algorithm explicitly indicates the potential antecedents of a personal pronoun. Again, this is more desirable than leaving this information implicit; besides the potential (and perha...

Ngày tải lên: 21/02/2014, 20:20

... Spearman correlation for the LDA model. In general, Wallach et al.’s finding for document modelling transfers to selectional preference mod- els; within the range Z = 50–200 performance remains at ... originally developed for modelling the top- ical structure of documents can be adapted to learn probabilistic models of selectional prefer ence. These models are especially effective for...

Ngày tải lên: 07/03/2014, 22:20

... Methods for Testing Hypotheses. An Introduction. Wiley, New York. Guillaume Obozinski, Ben Taskar, and Michael I. Jordan. 2010. Joint covariate selection and joint subspace se- lection for multiple ... particular design of the features themselves. For example, the features introduced by Chiang et al. (2008) and Chiang et al. (2009) for an SCFG model for Chinese/English translati...

Ngày tải lên: 19/02/2014, 19:20

... higher. Figure 1 demonstrates these phenomena for two leading models, Collins (1999) model 2, a generative model, and Charniak and Johnson (2005), a reranking model. The parser adaptation scenario is ... Experimental Setup We performed experiments with two parsing mod- els, the Collins (1999) generative model number 2 and the Charniak and Johnson (2005) reranking model. For the firs...

Ngày tải lên: 20/02/2014, 12:20

... Analysis To use the DOP method not just for syntactic anal- ysis, but also for semantic interpretation, four steps must be taken: 1. decide on a formalism for representing the meanings of sentences ... notation. defined model- theory and is rich enough for repre- senting the meanings of sentences and constituents that are relevant for the intended application do- main. Fo...

Ngày tải lên: 22/02/2014, 03:20

... to calculate a global score for a representation seems a rather arbitrary procedure. Such a uniform metric, even if it can model actual linguistic knowledge, forces the grammar writer to ... no formal or linguis- tic guarantee that this will be the case for the relation as a whole or for the translation steps between inter- mediate levels of representation. (An attempt to for...

Ngày tải lên: 22/02/2014, 10:20

... incu- bated for 4 days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses. Immunocytochemistry Neurons were fixed in 4% paraformaldehyde for 20 min at ... to transformed Ca 2+ -competent E. coli cells (ER2566) by heat shock. The transformed cells were spread on LB agar plates containing ampicillin (50 mgÆL )1 ), single colonies were picked fo...

Ngày tải lên: 18/02/2014, 13:20

... resulted in the formation of 20,23-di- hydroxyvitamin D3 (RT = 30 min) and trihydroxyvi- tamin D3 (RT = 22 min) (Fig. 4A). A small lag (0– 3 min) was seen in the time course for formation of trihydroxyvitamin ... correlations for 3-CH and 23-CH; (B) expan- sion of proton–proton TOCSY correlations for 3-CH and 23-CH; (C) expansion of proton–carbon HSQC showing groups having correla- tion...

Ngày tải lên: 18/02/2014, 17:20

... available for choosing values for these parameters. For En- glish we use the parameters reported in (Liang, 1983). For Dutch we use the parameters reported in (Tutelaers, 1999). Preliminary informal ... train- ing sets for English and Dutch from the CELEX European lexical resource, and achieve error rates for English of less than 0.1% for correctly allowed hyphens, and less than...

Ngày tải lên: 20/02/2014, 04:20