Báo cáo khoa học: "A Statistical Parser for Czech*" ppt

... Statistical Parser for Czech* Michael Collins AT&T Labs-Research, Shannon Laboratory, 180 Park Avenue, Florham Park, NJ 07932 mcollins@research, att.com Jan Haj i~. Institute of Formal ... 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 develop...

Ngày tải lên: 08/03/2014, 06:20

... 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 Unsupervised ... 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...

Ngày tải lên: 19/02/2014, 19:20

... competence and performance phenomena. The remaining constraints imposed at the level of the parser are traditionally treated as performance constraints. For example, the parser& apos;s bounded ... also a simple abstraction operation for SUG descriptions which allows unneeded informa- tion to be forgotten, as will be discussed in the section on the parser design. In an SUG deriv...

Ngày tải lên: 20/02/2014, 21:20

... of the Association for Computational Linguistics, pages 1048–1057, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics A Statistical Model for Lost Language Decipherment Benjamin ... Kondrak, 2009). These methods typically rely on informa- tion that is unknown in a typical deciphering sce- nario (while being readily available for living lan- guages)....

Ngày tải lên: 17/03/2014, 00:20

... important for many natural language processing tasks, in- cluding information retrieval (Hearst and Plaunt, 1993; Salton et al., 1996) and summarization (Kan et al., 1998; Nakao, 2000). In informa- tion ... by a statistical model. This is a new approach for domain-independent text segmentation. Previous approaches usually used lexical cohesion to seg- ment texts into topics. Kozima (199...

Ngày tải lên: 31/03/2014, 04:20

... 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

... p null = 10 −10 for this value in the experiments we report below. 784 either φ P z i for phrase pairs or φ null for single lan- guage phrases. We choose Dirichlet process (DP) priors for these parameters: φ P z i ∼ ... proce- dure for each sentence pair is non-trivial, prov- ing NP-complete for learning phrase based models (DeNero and Klein, 2008) or a high order poly- nomial (O(...

Ngày tải lên: 20/02/2014, 07:20

... a considerable engineer- ing effort, yet there is very limited avail- ability of off-the shelf tools for researchers whose interests are not in coreference, or for researchers who want to concentrate ... standoff format of the MMAX2 annotation tool (M ¨ uller and Strube, 2006) with MiniDiscourse, a library that efficiently imple- ments a subset of MMAX2’s functions. Using a generic format...

Ngày tải lên: 20/02/2014, 09:20

... allows that use of future information in ad- dition to past information. The pipeline model nat- urally allows access to all the past information. Algorithm 3 Pseudo code for the look ahead algo- rithm. ... rightmost S action taken before a non-S action happens. Note that it is possible that there is a relation between a and b, but we can- not perform R or L now. Therefore, we should consid...

Ngày tải lên: 20/02/2014, 12:20

... general information about the system’s components, a description and time- stamp for each system event and user event, names and timestamps for the system-recorded sound files, and timestamps for ... versus remote control. Our main goals for the data collection and statistical analysis were three-fold: collect a large corpus of natural multimodal dialogue for this me- dia sel...

Ngày tải lên: 20/02/2014, 12:20