4 results for "Roberth Alcivar-Cevallos"
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Journal Article
UrbangEnCy: An emergency events dataset based on citizen sensors for monitoring urban scenarios in Ecuador
Recently, the use of the citizen-sensors (people generating and sharing real data by social media) for detecting and disseminating emergency events in real-time have shown a considerable increase because people at the place of the event, as well as elsewhere, can quickly post relevant information…
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Journal Article
Agricultural Crop Yield Prediction Using Machine Learning
Crop yield prediction is addressed through machine learning. Two predictor variables were used: hectares harvested, and production in tons. For the first case, the best model was a dense neural network (DNN) architecture, with a MSE of 0.0081, followed by Random Forest (RF) with an MSE of 0.0104…
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Journal Article Full text
LeLePhid: An Image Dataset for Aphid Detection and Infestation Severity on Lemon Leaves
Aphids are small insects that feed on plant sap, and they belong to a superfamily called Aphoidea. They are among the major pests causing damage to citrus crops in most parts of the world. Precise and automatic identification of aphids is needed to understand citrus pest dynamics and management…
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Journal Article Full text
Soil Transition and Characteristics Along a Periglacial–Agricultural Gradient in the Carihuairazo Volcano Area
Climate change and glacial retreat in the tropical Andes—as evidenced by environmental changes in the Carihuairazo volcano area and human-induced alterations to the páramo—reveal complex environmental dynamics that require an integrated understanding. This study evaluates edaphic variation along a…