... words). Search for the highest probabil- ity tree for a sentence is achieved using a CKY-style parsing algorithm. 4 Parsing the Czech PDT Many statistical parsing methods developed for En- glish ... first letter of the POS tag of the head- word for the constituent. See figure 3 for an example. The part of speech tags were the major cate- gory for each word (the first lett...
Ngày tải lên: 08/03/2014, 06:20
... Association for Computational Linguistics, pages 58–62, Avignon, France, April 23 - 27 2012. c 2012 Association for Computational Linguistics MaltOptimizer: An Optimization Tool for MaltParser Miguel ... we present MaltOptimizer, a tool for optimizing MaltParser for a new language or domain, based on an analysis of the train- ing data. The optimization is performed in three phases:...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Exploiting Heterogeneous Treebanks for Parsing" pptx
... PS parses for each sentence in C DS , and convert PS to DS for each parse; — For each sentence in C DS Do ˆ t=argmax t Score(x i,t ), and select the ˆ t-th parse as a converted tree for this ... POS tag information, dependency structures and depen- dency tags in test set for conversion. Similarly, we used POS tag information in the test set to restrict search space of the parser...
Ngày tải lên: 17/03/2014, 01:20
Báo cáo khoa học: "Principle Based Semantics for HPSG" pptx
... the represen- tation language, it also allows for the formulation of restrictions on quantifier scope in a declarative and natural way. The formalism of UDRSs we introduce in the following ... implemented by use of a type hierarchy or similar devices which come to mind straightforwardly. For it is not appropriate for the issue of underspecified representations to compu- te the...
Ngày tải lên: 18/03/2014, 02:20
Báo cáo khoa học: "Web-based LRT services for German" ppt
... WebLicht's own data exchange format TCF. 5 The TCF Format The D-SPIN Text Corpus Format TCF (Heid et al, 2010) is used by WebLicht as an internal data exchange format. The TCF format allows the combination ... based data formats were developed beside the TCF format (for example, an encoding for lexi- con based data). In order to avoid any confusion of element names between...
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: "Multilingual Multiplatform Architecture for the development of Natural Language Voice Services" ppt
... new services and applications. Therefore, it's not a system that just works for certain services. In fact, it's been used in a wide range of customer services like information services, ... needs any other information from the user, it will ask him directly. If it's not possible to receive that information, the system will help 227 Environment for the Generator of Se...
Ngày tải lên: 24/03/2014, 03:20
Tài liệu Báo cáo khoa học: A facile method for expression and purification of the Alzheimer’s disease-associated amyloid b-peptide pdf
... 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
Tài liệu Báo cáo khoa học: Pathways and products for the metabolism of vitamin D3 by cytochrome P450scc docx
... 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
Tài liệu Báo cáo khoa học: "Translation Model Adaptation for Statistical Machine Translation with Monolingual Topic Information" doc
... 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 ... a novel approach for translation model adapta- tion by utilizing in-domain monolingual top- ic information instead of the in-domain bilin- gual corpora, which incorporates the topic in- fo...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining" pptx
... labelled information for training. Our sys- tem extracts transliteration pairs in an unsupervised fashion. It is also able to utilize labelled information if available, obtaining improved performance. We ... of the Association for Computational Linguistics, pages 469–477, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A Statistical Model for...
Ngày tải lên: 19/02/2014, 19:20