Báo cáo khoa học: "Toward General-Purpose Learning for Information Extraction" ppt

... in de- veloping a system for processing broadcast au- dio for information access. The system has two main components, the speech transcription com- ponent and the information retrieval component. Versions ... broadcast audio for information access. At LIMSI, broadcast news tran- scription systems have been developed for English, French, German, Mandarin and Portuguese, and syste...

Ngày tải lên: 17/03/2014, 07:20

... classification problem). Finally, information bottleneck was used to main- tain most of the common information between the two data sources, and discard the remaining irrel- evant information. In this way, ... semantic information. What we need to do is to uncover this latent semantic in- formation by finding out what is common among them. We did this in (Ling et al., 2008) by us- ing the...

Ngày tải lên: 08/03/2014, 00:20

Ngày tải lên: 08/03/2014, 01:20

Ngày tải lên: 08/03/2014, 01:20

... Greece, 2 April 2009. c 2009 Association for Computational Linguistics Structural Correspondence Learning for Parse Disambiguation Barbara Plank Alfa-informatica University of Groningen, The Netherlands b.plank@rug.nl Abstract The ... of Structural Correspondence Learning (SCL) (Blitzer et al., 2006) for domain adaptation of a stochastic attribute-value grammar (SAVG). So far, SCL...

Ngày tải lên: 08/03/2014, 21:20

... construc- tion. For instance, one can add λ δ g I (δ, x, i) and λ ′ δ, ˆ δ g ′ I (δ, ˆ δ, x, i) to Equation (1) for δ ∈ {0, 1, , 9}, in order to allow more individualized learning for each label. Notice ... g ′ O are feature vectors defined for Opinion extraction, g P and g ′ P are feature vectors defined for Polarity extraction, and g S and g ′ S are feature vectors defined for St...

Ngày tải lên: 17/03/2014, 00:20

... an accuracy of 84% for accent, 71% for IPB, and 84% for break index detection at the syllable level. Chen et al. (2004) used a Gaussian mix- ture model for acoustic-prosodic information and neural ... data. Finally we compared our co-training perfor- mance with supervised learning. For supervised learning, all labeled utterances except for the test set are used for training....

Ngày tải lên: 23/03/2014, 16:21

... such ideas can be adapted for this task is one of many avenues for future research. 10.6 Error Analysis Some errors are due to the variety of hedge forms. For example, the learning models were unsuccess- ful ... avenues for future research. 1 Introduction The automatic processing of scientific papers using NLP and machine learning (ML) techniques is an increasingly important aspect...

Ngày tải lên: 23/03/2014, 18:20

... of information for automatic lin- guistic analysis as well. In this paper we investi- gate two questions: (i) Can we exploit cross-lingual correspondences to improve unsupervised language learning? ... Technology {bsnyder,regina}@csail.mit.edu Abstract For centuries, the deep connection between languages has brought about major discover- ies about human communication. In this pa- per w...

Ngày tải lên: 31/03/2014, 00:20

... Weakly Supervised Learning for Cross-document Person Name Disambiguation Supported by Information Extraction Cheng Niu, Wei Li, and Rohini K. Srihari ... name disambiguation calls for NLP/IE support which may have extracted the key person’s identification information from the textual documents. compared. Significant performance enhancement up ... Relationship_Conflicts_only a...

Ngày tải lên: 31/03/2014, 03:20