Báo cáo khoa học: "Convolution Kernels with Feature Selection for Natural Language Processing Tasks" docx

... Convolution Kernels with Feature Selection for Natural Language Processing Tasks Jun Suzuki, Hideki Isozaki and Eisaku Maeda NTT Communication ... features, is quite natural. We note, however, that kernels are calculated using the DP algorithm. Therefore, it is not clear how to calculate kernels ef- ficiently with a statistical feature selection ... convolution kern...

Ngày tải lên: 23/03/2014, 19:20

... for Natural Language Processing Toyoakl Nishida I and Shuji Doshita Department of Information Science, Kyoto University Sakyo-ku, Kyoto 606, JAPAN Abstract This paper proposes a method for ... Applicative Language) . In PAL, new composite expressions are constructed only with a binary form of function application. Thus, if z and I/ are well-formed formulas of PAL, so is a...

Ngày tải lên: 21/02/2014, 20:20

... A Computational Theory of Prose Style for Natural Language Generation David D. McDonald and James D. Pnstejovsky Department of Computer and Information Science University of M~,=.~chnsetts ... point on the NP aoo:~, allowing additional information to be added to me surface structure. The realization class as,soctated with the language field for the Ashanti is ~e-verb, repre...

Ngày tải lên: 09/03/2014, 01:20

... additional descriptive information based on standard features which is used to identify the database information associated with each entity and to indicate the distinguishing features of the entities. ... 157 records. It generated sub-type information for 7 entities and ran in approximately 159157 CPU seconds. For a database with many more records, the processing time may gr...

Ngày tải lên: 17/03/2014, 19:21

... OF DISCOURSE REPRESENTATIONS FOR NATURAL LANGUAGE INTERFACES Ntis Dahlb~ick Ame JOnsson Natural Language Processing Laboratory Department of Computer and Information Science LinkOping University, ... INTRODUCTION Natural Language interfaces will in the fore- seeable future only be able to handle a subset of natural language. The usability of this type of in- terfaces...

Ngày tải lên: 18/03/2014, 02:20

... together without MAP estimation such as count-merging. For WSD, Fujii et al. (1998) used selective sampling for a Japanese language WSD system, Chen et al. (2006) used active learning for 5 verbs ... pro- gram in one of our prior work (Lee and Ng, 2002). In performing WSD with a naive Bayes classifier, the sense s assigned to an example with features f 1 , . . . , f n is chosen so...

Ngày tải lên: 08/03/2014, 02:21

... supplemental material for research purposes. basic language units, i.e. words, word segmentation and POS tagging are important initial steps for Chi- nese language processing. Supervised learning with specifically ... 5th Interna- tional Joint Conference on Natural Language Process- ing, pages 309–317, Chiang Mai, Thailand, Novem- ber. Asian Federation of Natural Language P...

Ngày tải lên: 23/03/2014, 14:20

... procedure to reduce the feature dimensionality is called feature selection (FS). Various FS methods, such as document frequency (DF), information gain (IG), mutual information (MI), 2 χ -test ... categories, i.e., / i i A B . The terms with a high ratio are often referred to as the terms with high category information. These two measurements form the basis for all the me...

Ngày tải lên: 30/03/2014, 23:20

... necessary where software for automatic annotation has not been available, e.g., for linguistic patterns which are not easily identi- fied by machine, or for languages without suffi- cient linguistic ... scheme for each layer (by clicking on the “edit” button shown with each layer panel). It also allows the user to add or delete source files to the project, and to open a specific...

Ngày tải lên: 20/02/2014, 09:20

... Association for Computational Linguistics, pages 49–54, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A Web-based Evaluation Framework for Spatial ... navigation instructions in the real world for pedestrians is an interesting research problem for researchers in both computational linguistics and geo-informatics (Dale et al., 2003; Richte...

Ngày tải lên: 07/03/2014, 18:20