Báo cáo khoa học: "An Extensive Empirical Study of Collocation Extraction Methods" ppt

... a wide spectrum of applications in the field of natural language processing. The core of the work is an empirical eval- uation of a comprehensive list of auto- matic collocation extraction methods ... Proceedings of the ACL Student Research Workshop, pages 13–18, Ann Arbor, Michigan, June 2005. c 2005 Association for Computational Linguistics An Extensive Empirical Stud...

Ngày tải lên: 08/03/2014, 04:22

... of recorded possible correspon- 448 dences between the ith character of the Tltla alphabet and the jth of the Sese alphabet would be: e[i ,J] - sum of ith row x sum of Jth column sum of ... index of cognatlon the maximum potentlal of a word palr divided by its number of correspondences, including null correspondences. Thus in the fictitious case of Tttia and Se...

Ngày tải lên: 21/02/2014, 20:20

... sity of llfinois, Champs/gn-Urbana. ported by components capable of managing a coherent dis/o- gue with the task expert. McKeown (1984) has po/nted out a number of important aspec~ of the ... The problem of building a large collec- tion of knowledge-based troubleshooters for electronic instru- meats is an example. In order to support the construct/on of a large class of...

Ngày tải lên: 21/02/2014, 20:20

... layers of annota- tion, of which only the morphological tags and lem- mas are used in this study. The Czech tags follow the standards of the Prague Dependency Treebank 2.0. The impact of the ... symbols and any of its aspects which may affect the score of a translation hypothe- sis when it is combined with another rule. In the case of the language model these aspects include an...

Ngày tải lên: 07/03/2014, 22:20

... admits of a large number of non-isomorphic vari- ants, none of which is to be preferred over the oth- ers a priori. The specification given here is for English. Similar specifications of the ... given node of a tree, and gives the number of that chain, if any. Somewhat arbitrarily, and for the sake of concreteness, we assume that a chain is identified by the node numb...

Ngày tải lên: 08/03/2014, 18:20

... were 60–80% of that of APX-B, and that of the spinach stromal APX sample was 140% of that of APX-B. By comparing specific activities per protein and per absorbance of Soret peak, the purity of these ... monodehydroascorbate radicals. There are two APX isoforms in chloroplasts, one of which is soluble in the stroma and the other of which is bound to the stromal side of thyla...

Ngày tải lên: 16/03/2014, 14:20

... arg n of p. 9 Number of mentions in c  . 10* Head word of p’s right sibling node. 11 For every f, the synset (Fellbaum, 1998) for the head of f concatenated with p and iarg n . 12 Part of speech of ... implicit. This paper presents our study of implicit ar- guments for nominal predicates. We began our study by annotating implicit arguments for a se- lect group of predicat...

Ngày tải lên: 17/03/2014, 00:20

... properties r and pairs of multinomials (θ r , f r ). θ r is a unigram dis- tribution of words for property r that are seman- tically licensed for the role (e.g., being the sub- ject of “acquired” for ... intractable to enumerate all possible entities e i (each consisting of several sets of words). We instead limit the support of q i (e i ) to several sam- pled entities. We obtain...

Ngày tải lên: 23/03/2014, 16:20

... explain the decrease of CSM for this range of pressure and hence the increase of polarity of the environment of Trp314. Moreover, pressure could also induce a reduction of size of internal cavities, ... calculated. For studies of pressure- induced structural changes of proteins, the first approach cannot be easily used because of the need of a data set of reference prot...

Ngày tải lên: 23/03/2014, 20:22

... to "only" 2988: (5) A representative of a department of a company gave a friend of a director of a company a sample of a product. Of course, the sentence has only one "real" ... input, and of the structure of the input. The highest number of scopings is obtained when the input contains n quantifiers, none of which are contained in a restriction to...

Ngày tải lên: 01/04/2014, 00:20