Báo cáo khoa học: "Enhancing a large scale dictionary with a two-level system" potx

... the same class have the same syntactic behav- ior in terms of allowable alternations. EVCA specifies a mapping between words and word classes, associating each class with alternations and with ... is also linked with information from static resources. By these measures, we are able to acquire an accurate, reusable, rich, and large- scale lexicon for natu- ral language gener...

Ngày tải lên: 31/03/2014, 04:20

... UK stephen.clark@comlab.ox.ac.uk Johan Bos Dipartimento di Informatica Universit ` a di Roma “La Sapienza” via Salaria 113 00198 Roma, Italy bos@di.uniroma1.it 1 Introduction The statistical modelling ... elementary syntactic structure, in CCG’s case a lexical category expressing subcategorisation information. Statistical tagging techniques can as- sign lexical categories with high accu...

Ngày tải lên: 31/03/2014, 01:20

Ngày tải lên: 09/03/2014, 01:20

... semantic analysis, and pragmatic analysis. Each stage has been designed to use linguistic data such as the lexicon and grammar, which are maintained separately from the engine, and can easily ... into our natural language understanding system. Client- server architecture was used to make a large volume of lexical information and a large knowledge base available to the system a...

Ngày tải lên: 20/02/2014, 18:20

... the same software package. Second, the experimen- tal demonstration that using large output label sets is doable and that very large feature sets actually help improve prediction accuracy. In addition, ... computational cost by 1,8 on average. Note finally that forward-backward is per- formed on a per-observation basis and is easily parallelized (see also (Mann et al., 2009) for more pow...

Ngày tải lên: 16/03/2014, 23:20

... staff. (Object-relative) The reading time advantage of subject-relative clauses over object-relative clauses is robust in En- glish (Traxler et al., 2002) as well as other lan- guages (Mak et al., ... tagger initially favors the main-verb interpretation for the ambiguous -ed form, and later it makes a repair when the ambigu- ity is resolved as a past-participle. The RR ambiguity is often...

Ngày tải lên: 17/03/2014, 04:20

... categories and feature information and there is at least one leaf node labeled with a lexical category (such lexi- cal leaf nodes are known as anchors). For example, the canonical tree for a ditransitive ... the same way that the covariation of, say, syntactic and mor- phological form is treated. In particular, we can use the mechanisms that DATR already provides for fea- ture c...

Ngày tải lên: 17/03/2014, 09:20

... might because that SVM, as a strong large margin learner, is a more natural approach in a binary classification setting, but might not be the best choice in a four- way or multiclass classification task. 5.1.2 ... extend the Sparse Mixed-Effects paradigm to other problems within the social sciences where metadata is available but qualitative analysis at a large scale is difficult...

Ngày tải lên: 23/03/2014, 14:20

... general patterns that appear for all relations. φ D captures patterns that are spe- cific about a certain entity pair, but which are not generalizable across all pairs with the same relation. Finally ... that are expressing the relation and those that are ambiguous and can be applied across relations. In this way, high-precision extraction patterns can be learned without the need of any ma...

Ngày tải lên: 30/03/2014, 17:20

... transamination. Abbreviations AAD, a- aminoadipate; AlaAT, alanine aminotransferase; AspAT, aspartate aminotransferase; BCA, b-chloroalanine; CNS, central nervous system; CSA, cysteine sulfinate; ESBA, (R)-2-amino-4-(4-(ethylsulfonyl))-4-oxobutanoic ... S, Cartiaux M & Urrestarazu A (1998) Characterisation of Saccharomyces cerevisiae ARO8 and ARO9 genes encoding aromatic aminotransferas...

Ngày tải lên: 06/03/2014, 00:21