Tài liệu Báo cáo khoa học: "Exploring Syntactic Structural Features for Sub-Tree Alignment using Bilingual Tree Kernels" docx
... Association for Computational Linguistics Exploring Syntactic Structural Features for Sub -Tree Alignment using Bilingual Tree Kernels Jun Sun 1,2 Min Zhang 1 Chew Lim Tan 2 1 Institute for ... them to bilingual sub -tree alignment along with various lexical and plain structural features. We use both gold standard tree bank and the au- tomaticall...
Ngày tải lên: 20/02/2014, 04:20
... and treelet (Ding and Palmer, 2005; Quirk et al., 2005) techniques use syntactic information to inform the translation model. Recent work has shown that parsing-based machine translation using ... grammars as tree transducers. In Proceedings of the Seventh Interna- tional Workshop on Tree Adjoining Grammar and Re- lated Formalisms. Mark Steedman. 2000. The syntactic process. MIT Pre...
Ngày tải lên: 20/02/2014, 04:20
... 2 (P,HC P ,C i ,{+,-}{1,2},H P ,H C i ) (VP,VB,NP,1,paint,house) (S,VP,NP,-1,helped,we) (P,HC P ,C i ,{+,-}{1,2},H P ,HP C i ) (VP,VB,NP,1,paint,NN) (S,VP,NP,-1,helped,PRP) (P,HC P ,C i ,{+,-}{1,2},HP P ,H C i ) (VP,VB,NP,1,VB,house) (S,VP,NP,-1,VBD,we) (P,HC P ,C i ,{+,-}{1,2},HP P ,HP C i ) (VP,VB,NP,1,VB,NN) (S,VP,NP,-1,VBD,PRP) Table 1: Examples of head-to-head features. The examples are...
Ngày tải lên: 20/02/2014, 15:20
Tài liệu Báo cáo khoa học: "Exploiting Non-local Features for Spoken Language Understanding" pptx
... exploit non-local information in the next section. 3 Incorporating Non-local Information 3.1 Using Trigger Features To exploit non-local information to sequential la- beling for a statistical SLU, ... with word features and iteratively add them one-by-one so that we achieve the best performance. Table 1 shows the empirical results of local features, syn- tactic parser-based features...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "Trimming CFG Parse Trees for Sentence Compression Using Machine Learning Approaches" pptx
... create a tree with the highest score of all possible trees. They pack all possible trees in a shared-forest structure (Langkilde, 2000). The forest structure is represented by an AND-OR tree, and ... cre- ate a compression forest as Knight and Marcu did. We select the tree assigned the highest probability from the forest. Features in the maximum entropy model are de- fined for a tree...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc
... highest performance among conventional classifiers in using machine-labeled data. The TCFP classifier with robustness from noisy data Here, we simply describe the TCFP classifier using the ... calculated by accumulating the voting scores of all features. First of all, we must calculate the voting ratio of each category for all features. Since elements with a high TF-IDF va...
Ngày tải lên: 20/02/2014, 16:20
Tài liệu Báo cáo khoa học: "Learning Syntactic Verb Frames Using Graphical Models" doc
... methods for building data-driven SCF lexicons typically rely on parsed input (see section 2). How- ever, the treebanks necessary for training a high- accuracy parsing model are expensive to build for new ... and inventories, using identical syntac- tic features. Second, by replacing the syntactic fea- tures with an approximation based on POS tags, we achieve state-of-the-art perfor...
Ngày tải lên: 19/02/2014, 19:20
Tài liệu Báo cáo khoa học: "Integrating Syntactic Priming into an Incremental Probabilistic Parser, with an Application to Psycholinguistic Modeling" ppt
... The corpus used for both training and evaluation is the Wall Street Journal part of the Penn Treebank. We use sections 1–22 for train- ing, section 0 for development and section 23 for testing. ... provided a wealth of experimental evidence for syntactic priming, i.e., the tendency to repeat syntactic structures (e.g., Bock, 1986). Most work on syntactic priming has been con-...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "Exploiting Syntactic and Shallow Semantic Kernels for Question/Answer Classification" docx
... large. A tree kernel (TK) function which com- putes the number of common subtrees between two syntactic parse trees has been given in (Collins and Duffy, 2002). Unfortunately, such subtrees are ... ap- proach based on tree kernels. 3 Syntactic and Semantic Kernels for Text As mentioned above, encoding syntactic/ semantic information represented by means of tree structures in the...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: "A Syntactic Framework for Speech Repairs and Other Disruptions" doc
... is a series of sentences to be analyzed. An interpretation for a text would be a se- ries of parse trees and logical forms, one for each sentence. An analogous view is often taken of dialog; ... 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 factor of dialog is...
Ngày tải lên: 20/02/2014, 19:20