Unsupervised learning by probabilistic latent semantic analysis

T Hofmann - Machine learning, 2001 - Springer
… In the experimental evaluation, however, we focus on two more specific tasks to assess
the … The evaluation of LSA and PLSA on the first task will demonstrate the advantages of …

On the evaluation of unsupervised outlier detection: measures, datasets, and an empirical study

GO Campos, A Zimek, J Sander… - Data mining and …, 2016 - Springer
… Based on the aforementioned dataset collection, and using several evaluation measures,
we perform a comparative analysis of a broad class of unsupervised outlier detection …

Methods and algorithms for unsupervised learning of morphology

B Can, S Manandhar - … Linguistics and Intelligent Text Processing: 15th …, 2014 - Springer
… A review of the evaluation schemes for unsupervised morphological segmentation is also …
of evaluation results on the Morpho Challenge evaluations. Keywords: unsupervised learning, …

Evaluating genotoxicity of metal oxide nanoparticles: Application of advanced supervised and unsupervised machine learning techniques

N Sizochenko, M Syzochenko, N Fjodorova… - Ecotoxicology and …, 2019 - Elsevier
learning) was developed to predict class label, and self-organizing map approach (unsupervised
learning… and refine results obtained during supervised learning. In this study, …

Anomaly detection in bitcoin network using unsupervised learning methods

T Pham, S Lee - arXiv preprint arXiv:1611.03941, 2016 - arxiv.org
unsupervised learning methods including k-means clustering, Mahalanobis distance based
method, and Unsupervised … Based on the evaluation section, we will choose the ν which …

An initial performance evaluation of unsupervised learning with ALIAS

P Bock, H Holz, R Rovner… - 1990 IJCNN International …, 1990 - ieeexplore.ieee.org
… on unsupervised learning, using an intemal evaluation which … external evaluation input
path required for supervised learning … However, in the near future supervised learning will be …

SUPERT: Towards new frontiers in unsupervised evaluation metrics for multi-document summarization

Y Gao, W Zhao, S Eger - arXiv preprint arXiv:2005.03724, 2020 - arxiv.org
… for evaluating multidocument summaries, we investigate unsupervised evaluation methods,
which … In particular, we focus on evaluating the relevance (Peyrard, 2019) of multi-document …

An unsupervised learning model for pattern recognition in routinely collected healthcare data

S Khalid, A Judge, R Pinedo-Villanueva - … International Conference on …, 2018 - ora.ox.ac.uk
… a model evaluation framework that can be adapted to other unsupervised learning and data
… We present an unsupervised learning model for identifying patient subgroups characterised …

Unsupervised evaluation metrics and learning criteria for non-parallel textual transfer

RY Pang, K Gimpel - arXiv preprint arXiv:1810.11878, 2018 - arxiv.org
… 2002) to evaluate sentiment transfer. However, this approach is costly … to unsupervised
evaluation metrics that do not require references. The most widely-used unsupervised evaluation

A systematic evaluation of filter Unsupervised Feature Selection methods

S Solorio-Fernández, JA Carrasco-Ochoa… - Expert Systems with …, 2020 - Elsevier
… and systematic evaluation of the most popular and recent filter UFS methods, evaluating their
… 50 datasets from the UCI Machine Learning Repository and 25 high dimensional datasets …