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Click-Through Rate (CTR) prediction holds a paramount position in recommender systems. The prevailing ID-based paradigm underperforms in cold-start scenarios due to the skewed distribution of feature frequency. Additionally, the utilization…

Information Retrieval · Computer Science 2024-11-28 Xingmei Wang , Weiwen Liu , Xiaolong Chen , Qi Liu , Xu Huang , Yichao Wang , Xiangyang Li , Yasheng Wang , Zhenhua Dong , Defu Lian , Ruiming Tang

Term weighting schemes often dominate the performance of many classifiers, such as kNN, centroid-based classifier and SVMs. The widely used term weighting scheme in text categorization, i.e., tf.idf, is originated from information retrieval…

Machine Learning · Computer Science 2012-06-07 Deqing Wang , Hui Zhang

This paper presents a comparative study of classical machine learning and deep learning methods for sentiment classification on the IMDb movie reviews dataset. The machine learning pipeline uses TF-IDF features and PyCaret AutoML to…

Text classification is a very common task nowadays and there are many efficient methods and algorithms that we can employ to accomplish it. Transformers have revolutionized the field of deep learning, particularly in Natural Language…

Machine Learning · Computer Science 2024-12-31 Christos Petridis

Classification of multi-dimensional time series from real-world systems require fine-grained learning of complex features such as cross-dimensional dependencies and intra-class variations-all under the practical challenge of low training…

Machine Learning · Computer Science 2025-05-16 Anushiya Arunan , Yan Qin , Xiaoli Li , Yuen Chau

Novelty detection in text streams is a challenging task that emerges in quite a few different scenarios, ranging from email thread filtering to RSS news feed recommendation on a smartphone. An efficient novelty detection algorithm can save…

Information Retrieval · Computer Science 2014-11-11 Margarita Karkali , Francois Rousseau , Alexandros Ntoulas , Michalis Vazirgiannis

We study the effectiveness of Feature Density (FD) using different linguistically-backed feature preprocessing methods in order to estimate dataset complexity, which in turn is used to comparatively estimate the potential performance of…

Computation and Language · Computer Science 2021-11-04 Juuso Eronen , Michal Ptaszynski , Fumito Masui , Aleksander Smywiński-Pohl , Gniewosz Leliwa , Michal Wroczynski

With the widespread use of the internet, it has become increasingly crucial to extract specific information from vast amounts of academic articles efficiently. Data mining techniques are generally employed to solve this issue. However, data…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Jinghong Li , Koichi Ota , Wen Gu , Shinobu Hasegawa

(Natural Language Processing) NLP techniques such as text classification and topic discovery are very useful in many application areas including information retrieval, knowledge discovery, policy formulation, and decision-making. However,…

Computation and Language · Computer Science 2026-02-13 Jingyan Xu , Marcelo L. LaFleur , Christina Schweikert , D. Frank Hsu

In recent days, the amount of Cyber Security text data shared via social media resources mainly Twitter has increased. An accurate analysis of this data can help to develop cyber threat situational awareness framework for a cyber threat.…

Computation and Language · Computer Science 2020-04-02 Simran K , Prathiksha Balakrishna , Vinayakumar R , Soman KP

With the rapid development of social media such as Twitter and Weibo, detecting keywords from a huge volume of text data streams in real-time has become a critical problem. The keyword detection problem aims at searching important…

Computation and Language · Computer Science 2023-07-04 Yifei Yue

Text document classification is an important task for diverse natural language processing based applications. Traditional machine learning approaches mainly focused on reducing dimensionality of textual data to perform classification. This…

Computation and Language · Computer Science 2019-09-13 Muhammad Nabeel Asim , Muhammad Usman Ghani Khan , Muhammad Imran Malik , Andreas Dengel , Sheraz Ahmed

Click-Through Rate (CTR) prediction is essential in online advertising, where semantic information plays a pivotal role in shaping user decisions and enhancing CTR effectiveness. Capturing and modeling deep semantic information, such as a…

Machine Learning · Computer Science 2025-03-05 Guoxiao Zhang , Yi Wei , Yadong Zhang , Huajian Feng , Qiang Liu

In recent years, text classification methods based on neural networks and pre-trained models have gained increasing attention and demonstrated excellent performance. However, these methods still have some limitations in practical…

Computation and Language · Computer Science 2024-12-16 Yanxu Mao , Peipei Liu , Tiehan Cui , Congying Liu , Datao You

Text recognition is a popular research subject with many associated challenges. Despite the considerable progress made in recent years, the text recognition task itself is still constrained to solve the problem of reading cropped line text…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Tianwei Wang , Yuanzhi Zhu , Lianwen Jin , Dezhi Peng , Zhe Li , Mengchao He , Yongpan Wang , Canjie Luo

As large language models continue to develop and expand, the extensive public data they rely on faces the risk of depletion. Consequently, leveraging private data within organizations to enhance the performance of large models has emerged…

Machine Learning · Computer Science 2025-11-11 Dongcheng Li , Junhan Chen , Aoxiang Zhou , Chunpei Li , Youquan Xian , Peng Liu , Xianxian Li

The rapid advancement of Large Language Models (LLMs) has ushered in an era where AI-generated text is increasingly indistinguishable from human-generated content. Detecting AI-generated text has become imperative to combat misinformation,…

Computation and Language · Computer Science 2024-06-12 Ye Zhang , Qian Leng , Mengran Zhu , Rui Ding , Yue Wu , Jintong Song , Yulu Gong

Collaborative filtering (CF) is a successful approach commonly used by many recommender systems. Conventional CF-based methods use the ratings given to items by users as the sole source of information for learning to make recommendation.…

Machine Learning · Computer Science 2015-06-22 Hao Wang , Naiyan Wang , Dit-Yan Yeung

Neural ranking methods based on large transformer models have recently gained significant attention in the information retrieval community, and have been adopted by major commercial solutions. Nevertheless, they are computationally…

Information Retrieval · Computer Science 2023-08-30 Anik Saha , Oktie Hassanzadeh , Alex Gittens , Jian Ni , Kavitha Srinivas , Bulent Yener

The popularity of deep learning methods in the time series domain boosts interest in interpretability studies, including counterfactual (CF) methods. CF methods identify minimal changes in instances to alter the model predictions. Despite…

Machine Learning · Computer Science 2024-10-11 Ziwen Kan , Shahbaz Rezaei , Xin Liu
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