A new term weighting method for text categorization

A new term weighting method for text categorization

A new term weighting method for text categorization

... nearly as well as the top performing system (a SVM classifier) A New Term Weighting Method for Text Categorization Man Lan A New Term Weighting Method for Text Categorization Man Lan, 2006 National ... Bibliography A New Term Weighting Method for Text Categorization 155 Man Lan A New Term Weighting Method for Text Categorization...
Ngày tải lên : 12/09/2015, 21:08
179 367 0
Tài liệu Báo cáo khoa học: "A New Dataset and Method for Automatically Grading ESOL Texts" pdf

Tài liệu Báo cáo khoa học: "A New Dataset and Method for Automatically Grading ESOL Texts" pdf

... shared dataset for training and testing such systems and comparing their performance As it is likely that the deployment of such systems will increase, standardised and independent evaluation methods ... We make such a dataset of ESOL examination scripts available1 (see Section for more details), describe our novel approach to the task, and provide results for our system o...
Ngày tải lên : 20/02/2014, 04:20
10 538 0
Báo cáo hóa học: " Research Article A New General Iterative Method for a Finite Family of Nonexpansive Mappings in Hilbert Spaces Urailuk Singthong1 and Suthep Suantai1, 2" potx

Báo cáo hóa học: " Research Article A New General Iterative Method for a Finite Family of Nonexpansive Mappings in Hilbert Spaces Urailuk Singthong1 and Suthep Suantai1, 2" potx

... and Suantai introduced a new mapping, called Kmapping, for finding a common fixed point of a finite family of nonexpansive mappings For a finite family of nonexpansive mappings {Ti }N1 and sequence ... Proceedings of the American Mathematical Society, vol 4, pp 506–510, 1953 S Reich, “Weak convergence theorems for nonexpansive mappings in Banach spac...
Ngày tải lên : 21/06/2014, 11:20
12 427 0
báo cáo khoa học: " Implementation of a new cost efficacy method for blood irradiation using a non dedicated device" pptx

báo cáo khoa học: " Implementation of a new cost efficacy method for blood irradiation using a non dedicated device" pptx

... computed and a comparison of the two procedures has been carried out Design of a blood irradiation container and set-up To facilitate and standardize the blood component irradiation using a linear accelerator, ... experience of IRE in the implementation of an internal blood irradiation program using a conventional linear accelerator (LINAC), as an alternative...
Ngày tải lên : 10/08/2014, 10:20
6 291 0
Báo cáo khoa học: "A High-Performance Semi-Supervised Learning Method for Text Chunking" pot

Báo cáo khoa học: "A High-Performance Semi-Supervised Learning Method for Text Chunking" pot

... already high Therefore the additional information discovered by SVD-ASO appears crucial to achieve appreciable improvements Semi-supervised Learning Method For semi-supervised learning, the idea ... predictor for problem takes the following form  ĩà ĩ ã Âĩ  This work uses a linear formulation of structural learning We rst briey review a standard linear prediction model and t...
Ngày tải lên : 23/03/2014, 19:20
9 353 1
Báo cáo khoa học: "A Framework of Feature Selection Methods for Text Categorization" potx

Báo cáo khoa học: "A Framework of Feature Selection Methods for Text Categorization" potx

... decrease the feature numbers without losing classification accuracies (see G Forman 2003 An extensive empirical study of feature selection metrics for text classification The Journal of Machine ... numbers of features are to be selected, different combinations of the two measurements are required to provide the best performance Although a great number of FS methods is av...
Ngày tải lên : 30/03/2014, 23:20
9 406 0
Báo cáo hóa học: " Research Article A New Inverse Halftoning Method Using Reversible Data Hiding for Halftone Images" docx

Báo cáo hóa học: " Research Article A New Inverse Halftoning Method Using Reversible Data Hiding for Halftone Images" docx

... image authentication However, these two methods have a drawback that the capacity of data hiding is still limited Proposed Method The proposed inverse halftoning method based on reversible data hiding ... displays the LUT information and structure and is denoted as LH (LUT data header) 3.3 Overhead Information and Data Embedding The overhead information includes two ki...
Ngày tải lên : 21/06/2014, 08:20
13 328 0
Tài liệu Báo cáo khoa học: "Word representations: A simple and general method for semi-supervised learning" doc

Tài liệu Báo cáo khoa học: "Word representations: A simple and general method for semi-supervised learning" doc

... more general than that of Ando and Zhang (2005) and Suzuki and Isozaki (2008) Their methods dictate a particular choice of model and training regime and could not, for instance, be used with an ... 216 documents) We also evaluated on an out-of-domain (OOD) dataset, the MUC7 formal run (59K words) MUC7 has a different annotation standard than the CoNLL03 data It has several NE...
Ngày tải lên : 20/02/2014, 04:20
11 687 0
Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc

Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc

... two approaches using unlabeled data in text categorization; one approach combines unlabeled data and labeled data, and the other approach uses the clustering technique for text categorization ... to Classify Text from Labeled and Unlabeled Documents, In Proc of AAAI-98 K P Nigam, 2001, Using Unlabeled Data to Improve Text Classification, The dissertation...
Ngày tải lên : 20/02/2014, 16:20
8 443 0
Tài liệu Báo cáo khoa học: "DiMLex: A lexicon of discourse markers for text generation and understanding" docx

Tài liệu Báo cáo khoa học: "DiMLex: A lexicon of discourse markers for text generation and understanding" docx

... describing discourse markers is a dedicated lexicon that provides a classification of their syntactic, semantic and pragmatic features and characterizes the relationships between similar markers ... whereas function words are treated as a part of grammar For dealing with discourse markers, we not regard this distinction as particularly helpful, though As we have ill...
Ngày tải lên : 20/02/2014, 18:20
5 528 0
Báo cáo khoa học: "A Latent Dirichlet Allocation method for Selectional Preferences" pptx

Báo cáo khoa học: "A Latent Dirichlet Allocation method for Selectional Preferences" pptx

... our corpus Formally, LDA generates each argument in the corpus of relations as follows: for each topic t = T Generate βt according to symmetric Dirichlet distribution Dir(η) end for for each ... as information about which topics one of the arguments favors can help inform the topics chosen for the other For example, class pairs such as (team, game), (politician, political issue) for...
Ngày tải lên : 07/03/2014, 22:20
11 411 0
Báo cáo khoa học: "A Generalized Vector Space Model for Text Retrieval Based on Semantic Relatedness" pot

Báo cáo khoa học: "A Generalized Vector Space Model for Text Retrieval Based on Semantic Relatedness" pot

... adopted semantic network construction model, each semantic edge type is given a different weight The intuition behind edge types’ weighting is that certain types provide stronger semantic connections ... other semantic network based models will also shed light towards the conditions, under which, embedding semantic information improves text retrieval Moreover, there are addit...
Ngày tải lên : 08/03/2014, 21:20
9 394 0