Tài liệu Báo cáo khoa học: "A Pipeline Framework for Dependency Parsing" ppt

... Poster Sessions, pages 65–72, Sydney, July 2006. c 2006 Association for Computational Linguistics A Pipeline Framework for Dependency Parsing Ming-Wei Chang Quang Do Dan Roth Department of Computer ... We develop a framework for decisions made via in pipeline models, which addresses these difficulties, and presents and evaluates it in the context of bottom up dependency pars...

Ngày tải lên: 20/02/2014, 12:20

... A Unified Framework for Automatic Evaluation using N-gram Co-Occurrence Statistics Radu SORICUT Information Sciences Institute University of Southern California 4676 Admiralty ... only for N’s small enough to yield non-zero P(n) scores. For test corpora of reasonable size, the metrics are usually well-defined for N≤4. The BLEU proposed by Papineni et al. (2002) for ......

Ngày tải lên: 20/02/2014, 16:20

... grammatical and pro- cessing framework for handling the repairs, hesitations, and other interruptions in nat- ural human dialog. The proposed frame- work has proved adequate for a collection of human-human ... take the ban- um the oranges, three constituents would be produced, one for urn, another for take the ban-, and a third for take the oranges. Another complicating f...

Ngày tải lên: 20/02/2014, 19:20

... compo- nent describing their functional structure. For the rule for S, for instance, we add an ele- ment describing what the SUBJECT and PRED are for. We could say that the SUBJECT is the theme ... complete formal paraphrase of (1) must include at least as much information as we have given above. In particular, the logical structure of our para- phrases contains essential inform...

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

... 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

... 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

... 1989; Delpratt et al., 2006) for compact representation of the trie. For an M node ordinal trie, there exist 1 2M +1  2M +1 M  different tries. Therefore, its information-theoretical lower bound ... string for N-gram data row. When an N-gram is traversed, binary search is performed N times. If each word id corresponds to its node position in the unigram table, we can remove the word i...

Ngày tải lên: 20/02/2014, 09:20

... 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 ... Open-ended tasks prompted users to search for any type of information with any input modality. The tasks in the two sets paralleled each other. For example, if one set of tasks as...

Ngày tải lên: 20/02/2014, 12:20