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Agriculture is increasingly challenged by climate change, soil degradation, and resource depletion, and hence requires advanced data-driven crop classification and recommendation solutions. This work presents an explainable ensemble…

Sentiment analysis, an increasingly vital field in both academia and industry, plays a pivotal role in machine learning applications, particularly on social media platforms like Reddit. However, the efficacy of sentiment analysis models is…

Computation and Language · Computer Science 2024-05-29 Xiaoxia Zhang , Xiuyuan Qi , Zixin Teng

In this paper, we propose an ensemble of deep neural networks along with data augmentation (DA) learned using effective speech-based features to recognize emotions from speech. Our ensemble model is built on three deep neural network-based…

Sound · Computer Science 2022-11-23 Md. Rayhan Ahmed , Salekul Islam , Ph. D , A. K. M. Muzahidul Islam , Ph. D , Swakkhar Shatabda , Ph. D

Opinion mining, also known as sentiment analysis, is a subfield of natural language processing (NLP) that focuses on identifying and extracting subjective information in textual material. This can include determining the overall sentiment…

Computation and Language · Computer Science 2023-08-08 Nour Eddine Zekaoui , Siham Yousfi , Maryem Rhanoui , Mounia Mikram

Transformers are extremely successful machine learning models whose mathematical properties remain poorly understood. Here, we rigorously characterize the behavior of transformers with hardmax self-attention and normalization sublayers as…

Computation and Language · Computer Science 2026-05-14 Albert Alcalde , Giovanni Fantuzzi , Enrique Zuazua

Manual interpretation and classification of ECG signals lack both accuracy and reliability. These continuous time-series signals are more effective when represented as an image for CNN-based classification. A continuous Wavelet transform…

Image and Video Processing · Electrical Eng. & Systems 2022-07-04 Tareque Bashar Ovi , Sauda Suara Naba , Dibaloke Chanda , Md. Saif Hassan Onim

An ensemble consists of a set of individually trained classifiers (such as neural networks or decision trees) whose predictions are combined when classifying novel instances. Previous research has shown that an ensemble is often more…

Artificial Intelligence · Computer Science 2011-06-02 R. Maclin , D. Opitz

Model ensemble is a useful approach in reinforcement learning (RL) for training effective agents. Despite wide success of RL, training effective agents remains difficult due to the multitude of factors requiring careful tuning, such as…

Machine Learning · Computer Science 2025-05-22 Yiwen Song , Qianyue Hao , Qingmin Liao , Jian Yuan , Yong Li

Recognizing emotions in conversations is a challenging task due to the presence of contextual dependencies governed by self- and inter-personal influences. Recent approaches have focused on modeling these dependencies primarily via…

Computation and Language · Computer Science 2020-05-21 Devamanyu Hazarika , Soujanya Poria , Roger Zimmermann , Rada Mihalcea

Ensemble learning is a mainstay in modern data science practice. Conventional ensemble algorithms assigns to base models a set of deterministic, constant model weights that (1) do not fully account for variations in base model accuracy…

Machine Learning · Computer Science 2018-12-20 Jeremiah Zhe Liu , John Paisley , Marianthi-Anna Kioumourtzoglou , Brent A. Coull

Grammatical error correction (GEC) is the task of detecting and correcting grammatical errors in texts written by second language learners. The statistical machine translation (SMT) approach to GEC, in which sentences written by second…

Computation and Language · Computer Science 2016-06-02 Duc Tam Hoang , Shamil Chollampatt , Hwee Tou Ng

Self-supervised learning (SSL) speech models, which can serve as powerful upstream models to extract meaningful speech representations, have achieved unprecedented success in speech representation learning. However, their effectiveness on…

Sound · Computer Science 2023-02-01 Tung-Yu Wu , Chen-An Li , Tzu-Han Lin , Tsu-Yuan Hsu , Hung-Yi Lee

Semantic caching enhances the efficiency of large language model (LLM) systems by identifying semantically similar queries, storing responses once, and serving them for subsequent equivalent requests. However, existing semantic caching…

Machine Learning · Computer Science 2025-07-10 Shervin Ghaffari , Zohre Bahranifard , Mohammad Akbari

While the task of assessing the plausibility of events such as ''news is relevant'' has been addressed by a growing body of work, less attention has been paid to capturing changes in plausibility as triggered by event modification.…

Computation and Language · Computer Science 2025-07-30 Anna Golub , Beate Zywietz , Annerose Eichel

Pre-trained transformer models shine in many natural language processing tasks and therefore are expected to bear the representation of the input sentence or text meaning. These sentence-level embeddings are also important in…

Computation and Language · Computer Science 2025-02-21 Lukas Stankevičius , Mantas Lukoševičius

In this paper, we examine the current state-of-the-art in AMR parsing, which relies on ensemble strategies by merging multiple graph predictions. Our analysis reveals that the present models often violate AMR structural constraints. To…

Computation and Language · Computer Science 2023-06-21 Abelardo Carlos Martínez Lorenzo , Pere-Lluís Huguet Cabot , Roberto Navigli

Machine learning (ML) has significantly advanced text classification by enabling automated understanding and categorization of complex, unstructured textual data. However, accurately capturing nuanced linguistic patterns and contextual…

Computation and Language · Computer Science 2025-06-30 Peiheng Gao , Chen Yang , Ning Sun , Ričardas Zitikis

This study explored the architecture of semantic segmentation and evaluated models that excel in polyp segmentation. We present an integrated framework that harnesses the advantages of different models to attain an optimal outcome.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Hao-Yun Hsu , Yi-Ching Cheng , Guan-Hua Huang

Ensemble forecast post-processing is a necessary step in producing accurate probabilistic forecasts. Conventional post-processing methods operate by estimating the parameters of a parametric distribution, frequently on a per-location or…

Machine Learning · Computer Science 2023-05-01 Peter Mlakar , Janko Merše , Jana Faganeli Pucer

This research introduces a novel methodology for optimizing Bayesian Neural Networks (BNNs) by synergistically integrating them with traditional machine learning algorithms such as Random Forests (RF), Gradient Boosting (GB), and Support…

Machine Learning · Computer Science 2023-10-10 Peiwen Tan