Báo cáo khoa học: "Learning Predictive Structures for Semantic Role Labeling of NomBank" pptx

... Linguistics Learning Predictive Structures for Semantic Role Labeling of NomBank Chang Liu and Hwee Tou Ng Department of Computer Science National University of Singapore 3 Science Drive 2, Singapore ... nght}@comp.nus.edu.sg Abstract This paper presents a novel application of Alternating Structure Optimization (ASO) to the task of Semantic Role Labeling (SRL) of...

Ngày tải lên: 23/03/2014, 18:20

... covering 38 semantic roles out of 52 roles present in the total training set. We use one unlabeled training set (U) for in- domain and another for out -of- domain experi- ments. The former is the ... corpus of natural language use- ful for training a robust semantic role labeler. A possible relief for this problem is the utility of semi-supervised learning methods along...

Ngày tải lên: 07/03/2014, 22:20

... extracted role patterns g v j to t sv i , obtaining a set of possible role labelings. We call a simple sen- tence /role labeling pair a simple labeling and denote the set of candidate simple labelings ... modifiers of the target verb can be arguments of that verb. On the training set, we now extract a set of role patterns G v = {g v j } j for each verb v. For exam- ple...

Ngày tải lên: 31/03/2014, 00:20

... sub-parse. For example, see the rule 962 FORM → state , λx 1 .state(x 1 ) FORM → by area , λx 1 .λx 2 .area(x 1 ,x 2 ) FORM → smallest FORM 1 FORM 2 , λx 1 .smallest(x 2 ,(FORM 1 (x 1 ),FORM 2 (x 1 , ... forms. The average length of a sentence is 7.57 words. We performed a single run of 10-fold cross validation, and measured the performance of the learned parsers using precision...

Ngày tải lên: 17/03/2014, 04:20

... of the two versions of our model also begins to highlight the importance of adding sentiment in- formation. In general, words indicative of sentiment tend to have high similarity with words of ... to transform the values in a VSM often increases the performance of re- trieval and categorization systems. Delta idf weight- ing (Martineau and Finin, 2009) is a supervised vari- ant o...

Ngày tải lên: 20/02/2014, 04:20

... for this monolingual task, the ILP approach signif- icantly outperforms the majority sense baseline and performs as well as the state -of- the-art system re- porting results for the same set of ... yields good results for WSD, in particular for the disambigua- tion of verbs. We plan to further evaluate our approach for other sets of words, including other parts -of- speech...

Ngày tải lên: 08/03/2014, 02:21

... constituent of the word. The generic semantic role played by the imme- diate parental semantic constituent of the word. The part of speech of the word The generic part of speech of the word ... function of the word The part of speech of the immediate parental semantic constituent of the word. The generic part of speech of the immediate parental semanti...

Ngày tải lên: 08/03/2014, 05:21

... of rules test on the presence of the two prepositions van (from, of) and voor (for, before) which often co-occur with noun at- tachment (on the whole data set, 351 out of 406 occurrences of ... search to the appearance of two designated words at a maximal distance of 10 words, which is the default. The search is performed for both possible orders of appearance of the tw...

Ngày tải lên: 24/03/2014, 03:20

... i.t. instillation of FITC–OVA [23,24], we chose the 24 h time point for a closer evaluation of the tissue distribu- tion of [ 75 Se]Der p 2 upon i.t. administration. Tissue distribution of radioactivity ... The biological function of allergens: rele- vant for the induction of allergic diseases? Int Arch Allergy Immunol 117, 215–219. 2 Aalberse RC (2000) Structural biology of...

Ngày tải lên: 07/03/2014, 21:20

... Lin 1 1 Key Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Sciences Beijing, 100190, China 2 Graduate University of Chinese Academy of Sciences Beijing, ... uses a beam-search algorithm for decoding. 1 http://www.statmt.org/moses/ 162 Therefore, we do incorporation by performing par- tial matching for phrase translation befo...

Ngày tải lên: 08/03/2014, 01:20