Báo cáo khoa học: "Restrictions on Tree Adjoining Languages" pptx

... junction constraints on right (left, resp.) auxiliary trees are found. The above restriction does not in any way con- strain adjunction at nodes that are not in the spine of an auxiliary tree. ... in G. In addition, we impose the following constraints: • only trees j3L can be adjoined at the spine of trees ~LD, I~LU; • only trees fir can be adjoined at the spine of trees ~RD, ~...

Ngày tải lên: 31/03/2014, 04:20

... other tree- building operation is adjunetion, which allows a tree- fragment to be spliced into the body of a tree. However, we only need to concern ourselves here with the representation of the trees ... Encoding Lexicalized Tree Adjoining Grammars with a Nonmonotonic Inheritance Hierarchy Roger Evans Information Technology Research Institute University of Brighton rpe©itri, b...

Ngày tải lên: 17/03/2014, 09:20

... tary tree at a non-terminal of same type as the root on the frontier of another elementary tree. Adjunction allows the insertion of one elementary tree of a special kind, an aux- iliary tree, ... projections in which it is embedded. 6 Along the frontier of these trees may ap- pear terminal symbols (i.e. lexical items) or non-terminals. The substitution operation is the insertio...

Ngày tải lên: 17/03/2014, 20:20

... Bracketed sentence in SJTree for (1) 3.2 Distinction between substitution and ad- junction operations Unlike other Treebank corpora such as English Penn Treebank and French Paris 7 Treebank, full- scale ... reliable Treebank is provided, in this paper we implement a system which extracts a Lexicalized Tree Adjoining Grammar and a Feature-based Lexicalized Tree Adjoining Grammar...

Ngày tải lên: 23/03/2014, 18:20

... Along the way, we present a new definition of the tree- adjoining grammar derivation relation based on a novel direct inter-reduction of TAG and monadic macro tree transducers. Tree transformation ... generically. 2 Tree- Adjoining Grammars Tree adjoining grammar (TAG) is a tree gram- mar formalism distinguished by its use of a tree adjunction operation. Traditional present...

Ngày tải lên: 31/03/2014, 20:20

... 2006. c 2006 Association for Computational Linguistics Investigations on Event-Based Summarization Mingli Wu Department of Computing The Hong Kong Polytechnic University Kowloon, Hong Kong csmlwu@comp.polyu.edu.hk ... person or organization, is 2. Weight of any verb/action noun, which is just before one entity, is 1. Weight of any verb/action noun, which is just after one entit...

Ngày tải lên: 17/03/2014, 04:20

... optional. Moreover, a card has one and only one referent but may have none, one or more attributes and links. Borrowing the notion of activation from Chafe (1987), we distinguish three zones, ... he/she is in. The contents of the store are acquired via direct perception of the environment and, less directly, communication with others or reflection upon past acquisitions. Discourse ent...

Ngày tải lên: 17/03/2014, 23:20

... Conditions on Consistency of Probabilistic Tree Adjoining Grammars* Anoop Sarkar Dept. of Computer and Information Science University of Pennsylvania 200 South 33rd Street, Philadelphia, ... process can enter a generation sequence which has a finite proba- bility of non-termination. 4 Conditions for Consistency A probabilistic TAG G is consistent if and only if: Pr(v) = 1...

Ngày tải lên: 23/03/2014, 19:20

... to conformational differences between the two proteins. The relative cross-reactivity of poly- clonal antibodies was used to probe the conforma- tional variations at the tertiary level among ... conditions, coordinate a [2Fe–2S] clus- ter. However, based upon the in vitro reconstitution assay, both were found to be [4Fe–4S] cluster coordi- nating proteins. Iron–sulfur clusters are one ... dif...

Ngày tải lên: 18/02/2014, 12:20

... Association for Computational Linguistics, pages 325–334, Uppsala, Sweden, 11-16 July 2010. c 2010 Association for Computational Linguistics Fine-grained Tree- to-String Translation Rule Extraction Xianchao ... tree- to-string and string-to -tree sys- tems. Extensive experiments on large- scale bidirectional Japanese-English trans- lations testified the effectiveness of our ap- proach. 1...

Ngày tải lên: 20/02/2014, 04:20