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In order to solve the data scarcity problem, this paper presented a co-training style method for biomedical named entity recognition. We proposed a novel selection method for tri-training learning, using three classifiers: CRFs,SVMs and ME. In tri-training process, we select new newly labeled samples based on the selection model maximizing training utility, and compute the agreement according to the...
Markov random field (MRF, CRF) models are popular in computer vision. However, in order to be computationally tractable they are limited to incorporate only local interactions and cannot model global properties, such as connectedness, which is a potentially useful high-level prior for object segmentation. In this work, we overcome this limitation by deriving a potential function that enforces the...
Clustering description problem is one of key issues of the traditional document clustering algorithm. The traditional document algorithm can cluster the objects, but it can not give concept description for the clustered results. Document clustering description is a problem of labeling the clustered results of document collection clustering. It can help users determine whether one of the clusters is...
Extending traditional models for discriminative labeling of structured data to include higher-order structure in the labels results in an undesirable exponential increase in model complexity. In this paper, we present a model that is capable of learning such structures using a random field of parameterized features. These features can be functions of arbitrary combinations of observations, labels...
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