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Natural Language Processing technology has advanced vastly in the past decade. Text processing has been successfully applied to a wide variety of domains. In this paper, we propose a novel framework, Text Based Classification(TBC), that…

Artificial Intelligence · Computer Science 2023-11-22 Keshav Ramani , Daniel Borrajo

Performance estimation aims at estimating the loss that a predictive model will incur on unseen data. These procedures are part of the pipeline in every machine learning project and are used for assessing the overall generalisation ability…

Machine Learning · Computer Science 2021-08-31 Vitor Cerqueira , Luis Torgo , Igor Mozetic

Time Series Classification (TSC) is an important and challenging problem in data mining. With the increase of time series data availability, hundreds of TSC algorithms have been proposed. Among these methods, only a few have considered Deep…

Machine Learning · Computer Science 2019-05-15 Hassan Ismail Fawaz , Germain Forestier , Jonathan Weber , Lhassane Idoumghar , Pierre-Alain Muller

Recently, Target-oriented Multimodal Sentiment Classification (TMSC) has gained significant attention among scholars. However, current multimodal models have reached a performance bottleneck. To investigate the causes of this problem, we…

Computation and Language · Computer Science 2023-12-27 Junjie Ye , Jie Zhou , Junfeng Tian , Rui Wang , Qi Zhang , Tao Gui , Xuanjing Huang

Time series data is a collection of chronological observations which is generated by several domains such as medical and financial fields. Over the years, different tasks such as classification, forecasting, and clustering have been…

Machine Learning · Computer Science 2021-02-12 Raha Moraffah , Paras Sheth , Mansooreh Karami , Anchit Bhattacharya , Qianru Wang , Anique Tahir , Adrienne Raglin , Huan Liu

We study time-series classification (TSC), a fundamental task of time-series data mining. Prior work has approached TSC from two major directions: (1) similarity-based methods that classify time-series based on the nearest neighbors, and…

Machine Learning · Computer Science 2022-01-07 Daochen Zha , Kwei-Herng Lai , Kaixiong Zhou , Xia Hu

Early classification of time series has been extensively studied for minimizing class prediction delay in time-sensitive applications such as healthcare and finance. A primary task of an early classification approach is to classify an…

Machine Learning · Computer Science 2020-10-19 Ashish Gupta , Hari Prabhat Gupta , Bhaskar Biswas , Tanima Dutta

Time Series Classification (TSC) involved building predictive models for a discrete target variable from ordered, real valued, attributes. Over recent years, a new set of TSC algorithms have been developed which have made significant…

Machine Learning · Computer Science 2023-04-27 Alejandro Pasos Ruiz , Michael Flynn , Anthony Bagnall

This research identifies a gap in weakly-labelled multivariate time-series classification (TSC), where state-of-the-art TSC models do not per-form well. Weakly labelled time-series are time-series containing noise and significant…

Machine Learning · Computer Science 2021-09-20 Surayez Rahman , Chang Wei Tan

This is the era of High Performance Computing (HPC). There is a great demand of the best performance evaluation techniques for the file and storage systems. The task of evaluation is both necessary and hard. It gives in depth analysis of…

Operating Systems · Computer Science 2013-12-09 Brijender Kahanwal , Tejinder Pal Singh

Text categorization (TC) is the task of automatically organizing a set of documents into a set of pre-defined categories. Over the last few years, increased attention has been paid to the use of documents in digital form and this makes text…

Information Retrieval · Computer Science 2018-07-10 Ahmed I. Taloba , D. A. Eisa , Safaa S. I. Ismail

We review the task of Sentence Pair Scoring, popular in the literature in various forms - viewed as Answer Sentence Selection, Semantic Text Scoring, Next Utterance Ranking, Recognizing Textual Entailment, Paraphrasing or e.g. a component…

Computation and Language · Computer Science 2016-05-18 Petr Baudiš , Jan Pichl , Tomáš Vyskočil , Jan Šedivý

Many approaches have been proposed for early classification of time series in light of itssignificance in a wide range of applications including healthcare, transportation and fi-nance. Until now, the early classification problem has been…

Artificial Intelligence · Computer Science 2021-09-23 Youssef Achenchabe , Alexis Bondu , Antoine Cornuéjols , Vincent Lemaire

The presence of smart objects is increasingly widespread and their ecosystem, also known as Internet of Things, is relevant in many different application scenarios. The huge amount of temporally annotated data produced by these smart…

Databases · Computer Science 2022-09-21 Giacomo Chiarot , Claudio Silvestri

The goal of the TREC Fair Ranking track was to develop a benchmark for evaluating retrieval systems in terms of fairness to different content providers in addition to classic notions of relevance. As part of the benchmark, we defined…

Information Retrieval · Computer Science 2020-03-27 Asia J. Biega , Fernando Diaz , Michael D. Ekstrand , Sebastian Kohlmeier

The reasoning capabilities of large language models (LLMs) have significantly advanced their performance by enabling in-depth understanding of diverse tasks. With growing interest in applying LLMs to the time series domain, this has proven…

Artificial Intelligence · Computer Science 2025-06-03 Jiahui Zhou , Dan Li , Lin Li , Zhuomin Chen , Shunyu Wu , Haozheng Ye , Jian Lou , Costas J. Spanos

Understanding time series data is fundamental to many real-world applications. Recent work explores multimodal large language models (MLLMs) to enhance time series understanding with contextual information beyond numerical signals. This…

Machine Learning · Computer Science 2026-02-03 Yaxuan Kong , Yiyuan Yang , Shiyu Wang , Chenghao Liu , Yuxuan Liang , Ming Jin , Stefan Zohren , Dan Pei , Yan Liu , Qingsong Wen

Conducting a systematic review (SR) is comprised of multiple tasks: (i) collect documents (studies) that are likely to be relevant from digital libraries (eg., PubMed), (ii) manually read and label the documents as relevant or irrelevant,…

Information Retrieval · Computer Science 2022-01-19 Grace E. Lee , Aixin Sun

Text representation is a fundamental concern in Natural Language Processing, especially in text classification. Recently, many neural network approaches with delicate representation model (e.g. FASTTEXT, CNN, RNN and many hybrid models with…

Computation and Language · Computer Science 2018-03-20 Benyou Wang , Li Wang , Qikang Wei , Lichun Liu

Hierarchical Text Classification (HTC) is a natural language processing task with the objective to classify text documents into a set of classes from a structured class hierarchy. Many HTC approaches have been proposed which attempt to…

Information Retrieval · Computer Science 2024-12-02 Jaco du Toit , Herman Redelinghuys , Marcel Dunaiski