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Graph based semi-supervised approach for information extraction

by Hany Hassan, Ahmed Hassan, Sara Noeman - In Proceedings of the TextGraphs Workshop in the Human Language Technology Conference of the North American Chapter of the Association of Computational Linguistics (HLT/NAACL
"... Classification techniques deploy supervised labeled instances to train classifiers for various classification problems. However labeled instances are limited, expensive, and time consuming to obtain, due to the need of experienced human annotators. Meanwhile large amount of unlabeled data is usually ..."
Abstract - Cited by 5 (1 self) - Add to MetaCart
is usually easy to obtain. Semi-supervised learning addresses the problem of utilizing unlabeled data along with supervised labeled data, to build better classifiers. In this paper we introduce a semi-supervised approach based on mutual reinforcement in graphs to obtain more labeled data to enhance

A Semi-Supervised Approach to Modeling Web Search

by Ahmed Hassan
"... Web search is an interactive process that involves actions from Web search users and responses from the search engine. Many research efforts have been made to address the problem of understanding search behavior in general. Some of this work focused on predicting whether a particular user has succee ..."
Abstract - Cited by 11 (6 self) - Add to MetaCart
labeled and unlabeled data to learn better models of user behavior that can be used to predict search success more effectively. We present a semi-supervised approach to modeling Web search satisfaction. The proposed approach can use either labeled data only or both labeled and unlabeled data. We show

A Semi-supervised Approach to Space Carving

by Surya Prakash, Antonio Robles-kelly
"... In this paper, we present a semi-supervised approach to space carving by casting the recovery of volumetric data from multiple views into an evidence combining setting. The method presented here is statistical in nature and employs, as a starting point, a manually obtained contour. By making use of ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
In this paper, we present a semi-supervised approach to space carving by casting the recovery of volumetric data from multiple views into an evidence combining setting. The method presented here is statistical in nature and employs, as a starting point, a manually obtained contour. By making use

A semi-supervised approach to question classification ∗

by David Tomás, Claudio Giuliano
"... Abstract. This paper presents a machine learning approach to question classification. We have defined a kernel function based on latent semantic information acquired from unlabeled data. This kernel allows including external semantic knowledge into the supervised learning process. We have combined t ..."
Abstract - Cited by 3 (0 self) - Add to MetaCart
Abstract. This paper presents a machine learning approach to question classification. We have defined a kernel function based on latent semantic information acquired from unlabeled data. This kernel allows including external semantic knowledge into the supervised learning process. We have combined

Music Genre Classification: A Semi-supervised Approach

by Sivaji B, Newton Howard
"... Abstract. Music genres can be seen as categorical descriptions used to classify music basing on various characteristics such as instrumentation, pitch, rhythmic structure, and harmonic contents. Automatic music genre classification is im-portant for music retrieval in large music collections on the ..."
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on the web. We build a classifier that learns from very few labeled examples plus a large quantity of unlabeled data, and show that our methodology outperforms existing supervised and unsupervised approaches. We also identify salient features useful for music genre classification. We achieve 97.1 % accuracy

EMDC: A Semi-supervised Approach for Word Alignment

by Qin Gao, Francisco Guzman, Centro De Sistemas Inteligentes, Tecnológico De Monterrey, Stephan Vogel
"... This paper proposes a novel semisupervised word alignment technique called EMDC that integrates discriminative and generative methods. A discriminative aligner is used to find high precision partial alignments that serve as constraints for a generative aligner which implements a constrained version ..."
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This paper proposes a novel semisupervised word alignment technique called EMDC that integrates discriminative and generative methods. A discriminative aligner is used to find high precision partial alignments that serve as constraints for a generative aligner which implements a constrained version

Active Semi-Supervised Approach for Checking App Behavior Against Its Description

by Siqi Ma, Shaowei Wang, David Lo, Robert Huijie Deng, Cong Sun
"... Abstract—Mobile applications are popular in recent years. They are often allowed to access and modify users ’ sensitive data. However, many mobile applications are malwares that inappropriately use these sensitive data. To detect these malwares, Gorla et al. propose CHABADA which compares app behavi ..."
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behaviors against its descriptions. Data about known malwares are not used in their work, which limits its effectiveness. In this work, we extend the work by Gorla et al. by proposing an active and semi-supervised approach for detecting malwares. Different from CHABADA, our approach will make use of both

Improving BAS Committee Performance with a Semi-Supervised Approach

by Ruy Luiz Milidiú, Julio Cesar Duarte
"... Abstract. Semi-supervised Learning is a machine learning approach that, by making use of both labeled and unlabeled data for training, can significantly improve learning accuracy. Boosting is a machine learning technique that combines several weak classifiers to improve the overall accuracy. At each ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
Abstract. Semi-supervised Learning is a machine learning approach that, by making use of both labeled and unlabeled data for training, can significantly improve learning accuracy. Boosting is a machine learning technique that combines several weak classifiers to improve the overall accuracy

Supervised and Semi-supervised Approaches Based on Locally-Weighted Logistic Regression 1

by Shubhomoy Das, Travis Moore, Weng-keen Wong, Simone Stumpf, Ian Oberst, Kevin Mcintosh, Margaret Burnett
"... Permanent City Research Online ..."
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Permanent City Research Online

OLERA: A semi-supervised approach for web data extraction with visual support

by Chia-hui Chang, Shih-chien Kuo - IEEE Intelligent Systems (SCI, EI
"... Information extraction (IE) from semi-structured Web documents plays an important role for a variety of information agents. Over the past few years, researchers have developed a rich family of generic IE techniques based on supervised approaches which learn extraction rules from user-labelled traini ..."
Abstract - Cited by 6 (1 self) - Add to MetaCart
Information extraction (IE) from semi-structured Web documents plays an important role for a variety of information agents. Over the past few years, researchers have developed a rich family of generic IE techniques based on supervised approaches which learn extraction rules from user
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