Results 21 to 30 of about 1,715,429 (285)

Unsupervised Spoken Utterance Classification

open access: yesCoRR, 2021
An intelligent virtual assistant (IVA) enables effortless conversations in call routing through spoken utterance classification (SUC) which is a special form of spoken language understanding (SLU). Building a SUC system requires a large amount of supervised in-domain data that is not always available.
Shahab Jalalvand, Srinivas Bangalore
openaire   +3 more sources

Unsupervised Classification of Opinions

open access: yesProceedings of the 8th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, 2016
Opinion mining is gaining more interest thanks to the ever growing data available on the internet. This work proposes an unsupervised approach that clusters opinions in fine grain ranges. The approach is able to generate its own seed words for better applicability to the context and eliminating user input.
Vlad Vasile Itu   +2 more
openaire   +2 more sources

The usefulness of unsupervised classification methods for landscape typification: The case of Slovenia

open access: yesActa Geographica Slovenica, 2019
Supervised and unsupervised classification methods can be a useful tool in determining various geographical spatial divisions, especially regionalizations and typifications.
Drago Perko, Rok Ciglič, Mauro Hrvatin
doaj   +1 more source

Semi-automatic classification for rapid delineation of the geohazard-prone areas using Sentinel-2 satellite imagery

open access: yesSN Applied Sciences, 2022
The study of land use land cover has become increasingly significant with the availability of remote sensing data. The main objective of this study is to delineate geohazard-prone areas using semi-automatic classification technique and Sentinel-2 ...
Karma Tempa, Komal Raj Aryal
doaj   +1 more source

Unsupervised Classification of Planning Instances

open access: yesProceedings of the International Conference on Automated Planning and Scheduling, 2017
In this paper we introduce a novel approach for unsupervised classification of planning instances based on the recent formalism of planning programs. Our approach is inspired by structured prediction in machine learning, which aims at predicting structured information about a given input rather than a scalar value.
Segovia-Aguas, Javier   +2 more
openaire   +3 more sources

Optimization of Remote Sensing Image Attributes to Improve Classification Accuracy

open access: yesInternational Journal of Environment and Geoinformatics, 2019
Remote sensing technologies provide very important big data to various science areas such as risk identification, damage detection and prevention studies.
Uğur Avdan
doaj   +1 more source

Semisupervised Center Loss for Remote Sensing Image Scene Classification

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
High-resolution remote sensing image scene classification is a scene-level classification task. Driven by a wide range of applications, accurate scene annotation has become a hot and challenging research topic.
Jun Zhang   +3 more
doaj   +1 more source

A COMPARATIVE STUDY OF ADVANCED LAND USE/LAND COVER CLASSIFICATION ALGORITHMS USING SENTINEL-2 DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Land Use/ Land Cover (LU/LC) is a major driving phenomenon of distributed ecosystems and its functioning. Interpretation of remote sensor data acquired from satellites requires enhancement through classification in order to attain better results ...
K. Nivedita Priyadarshini   +3 more
doaj   +1 more source

Supervised and Unsupervised Neural Approaches to Text Readability

open access: yesComputational Linguistics, 2021
We present a set of novel neural supervised and unsupervised approaches for determining the readability of documents. In the unsupervised setting, we leverage neural language models, whereas in the supervised setting, three different neural ...
Matej Martinc   +2 more
doaj   +1 more source

Unsupervised Exemplar-Based Learning for Improved Document Image Classification

open access: yesIEEE Access, 2019
Many recent state-of-the-art approaches for document image classification are based on supervised feature learning that requires a large amount of labeled training data.
Sherif Abuelwafa   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy