Báo cáo khoa học: "A Corpus of Scope-disambiguated English Text" ppt

... Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 248–252, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A Corpus ... Linguistics City University of Hong Kong {jsylee,ctjjw}@cityu.edu.hk Abstract This paper describes the creation of the first large-scale corpus containing drafts and fi- nal v...

Ngày tải lên: 16/03/2014, 20:20

... that expression of miR-27 resulted in blockade of expression of PPARc and C ⁄ EBPa, the two master regulators of adipogenesis. Importantly, expression of miR-27 was increased in fat tissue of obese ... role of miR-27 in the regulation of adipogenesis Qun Lin 1 , Zhanguo Gao 2 , Rodolfo M. Alarcon 1 , Jianping Ye 2 and Zhong Yun 1 1 Department of Therapeutic Radiology, Yale U...

Ngày tải lên: 18/02/2014, 08:20

... number of times term i occurs in D, idf i is the inverse document frequency of term i, N is the total number of documents and df i is the number of documents that contain term i. The utilization of ... per- formance of the former tend to be superior to that of the latter (Mullen and Collier, 2004; Lin and He, 2009). One of the main issues for supervised approaches has been the...

Ngày tải lên: 20/02/2014, 04:20

... em- ploying each of these parsing alternatives? Each of these four questions is addressed in the four subsequent sections of this paper, fol- lowed by a discussion of the implications of our findings ... policy, an agreement of 92.8% was achieved among annotators for the set of start and stop locations for arguments. Examples of semantic role annotations in our corpus...

Ngày tải lên: 20/02/2014, 12:20

... gcel-pursuin~ planner, end the use of dynamic models of speaker and hearer to shape the text to the task at hand. STATEMENT OF THE PROBLEM The task of KDS is to generate English text under the following ... vlz: ordering among sentences and the scope of each, quality comparisons between alternative 8~regations of sub-sententJal units, the coordination of communicati...

Ngày tải lên: 21/02/2014, 20:20

... f'mite set of symbols, so there is only a finite number of strings of given length L, and it has a finite number of rules, so there is only a finite number of possible parse trees of given depth ... Let C a be the set of pairs [A,B] such that A B by a tree of depth n. Clearly C t is the set of pairs [A,B] such that (A ) B) is a rule of G. Also, Cn+ 1 is the s...

Ngày tải lên: 21/02/2014, 20:20

... result of special rules or figures -of- speech that are not handled. Figures of speech account for about 7% of all error cases (or less than 0.5% of all nominals). The most com- mon cases of unhandled ... ‘Hilton’ can refer to the hotel chain or a member of the Hilton family. 5 Corpus Analysis We present a quantitative analysis of the annotated corpus focusing on the issues t...

Ngày tải lên: 07/03/2014, 22:20

... im- pression of the lexical and syntactic ambiguity of the respective grammars 4 The German and Japanese corpora and half of the English corpus consist of transliterations of spoken dialogues ... fit in with the intuitions of the grammar-writers. In particular, some of the paths are very long (of length ten or more). Optimal sets of paths for grammars of this com...

Ngày tải lên: 08/03/2014, 06:20

... the number of structures that can be built for a sentence pair of size n. ITGs explore almost all of permutation space when n is small, but their coverage of permutation space falls off quickly ... also the number of possi- ble permutations of the n tokens in either one of the two sentences. Permutation space en- forces the one-to-one constraint, but allows any re- ordering of...

Ngày tải lên: 08/03/2014, 21:20

... The principle of bottom-up parsing is to reduce a sequence of phrases whose types match the right- hand side of a grammar rule to a phrase of the type of the left-hand side of the rule. To ... processing of different grammatical formalisms. At the same time it is of course a natural test bed for experiments with various control strategies. Previously a number of compa...

Ngày tải lên: 09/03/2014, 01:20