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Reinforcement Learning with Verifiable Rewards~(RLVR) has become a prominent paradigm to enhance the capabilities (i.e.\ long-context) of Large Language Models~(LLMs). However, it often relies on gold-standard answers or explicit evaluation…

Computation and Language · Computer Science 2026-03-03 Yao Xiao , Lei Wang , Yue Deng , Guanzheng Chen , Ziqi Jin , Jung-jae Kim , Xiaoli Li , Roy Ka-wei Lee , Lidong Bing

This paper presents a study of employing Ranking SVM and Convolutional Neural Network for two missions: legal information retrieval and question answering in the Competition on Legal Information Extraction/Entailment. For the first task,…

Computation and Language · Computer Science 2017-03-17 Phong-Khac Do , Huy-Tien Nguyen , Chien-Xuan Tran , Minh-Tien Nguyen , Minh-Le Nguyen

Remote sensing scene classification (RSSC) is a critical task with diverse applications in land use and resource management. While unimodal image-based approaches show promise, they often struggle with limitations such as high intra-class…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Jinjin Cai , Kexin Meng , Baijian Yang , Gang Shao

The unjudged document problem, where systems that did not contribute to the original judgement pool may retrieve documents without a relevance judgement, is a key obstacle to the reuseability of test collections in information retrieval.…

Information Retrieval · Computer Science 2026-01-26 Lukas Gienapp , Martin Potthast , Andrew Yates , Harrisen Scells , Eugene Yang

In information retrieval (IR) and related tasks, term weighting approaches typically consider the frequency of the term in the document and in the collection in order to compute a score reflecting the importance of the term for the…

Machine Learning · Computer Science 2021-09-22 Alejandro Moreo Fernández , Andrea Esuli , Fabrizio Sebastiani

In this paper we perform a comparative analysis of three models for feature representation of text documents in the context of document classification. In particular, we consider the most often used family of models bag-of-words, recently…

Computation and Language · Computer Science 2017-07-06 Sanda Martinčić-Ipšić , Tanja Miličić , Ljupčo Todorovski

A method based on one class support vector machine (OCSVM) is proposed for class incremental learning. Several OCSVM models divide the input space into several parts. Then, the 1VS1 classifiers are constructed for the confuse part by using…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Chengfei Yao , Jie Zou , Yanan Luo , Tao Li , Gang Bai

Over the past decade, machine learning methods have given us driverless cars, voice recognition, effective web search, and a much better understanding of the human genome. Machine learning is so common today that it is used dozens of times…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Omer Aydin

The original problem of supervised classification considers the task of automatically assigning objects to their respective classes on the basis of numerical measurements derived from these objects. Classifiers are the tools that implement…

Machine Learning · Computer Science 2017-10-26 Marco Loog

Data stream classification methods demonstrate promising performance on a single data stream by exploring the cohesion in the data stream. However, multiple data streams that involve several correlated data streams are common in many…

Machine Learning · Computer Science 2019-08-19 Yingzhong Shi , Zhaohong Deng , Haoran Chen , Kup-Sze Choi , Shitong Wang

Sequence classification algorithms, such as SVM, require a definition of distance (similarity) measure between two sequences. A commonly used notion of similarity is the number of matches between $k$-mers ($k$-length subsequences) in the…

Data Structures and Algorithms · Computer Science 2017-12-13 Muhammad Farhan , Juvaria Tariq , Arif Zaman , Mudassir Shabbir , Imdad Ullah Khan

Large amount of unstructured designed information is difficult to deal with. Obtaining specific information is a hard mission and takes a lot of time. Information Retrieval System (IR) is a way to solve this kind of problem. IR is a good…

Information Retrieval · Computer Science 2018-04-03 Maher Abdullah , Mohammed GH. I. Al Zamil

In this paper we develop a new Bayesian inference method for low rank matrix reconstruction. We call the new method the Relevance Singular Vector Machine (RSVM) where appropriate priors are defined on the singular vectors of the underlying…

Numerical Analysis · Computer Science 2014-07-02 Martin Sundin , Saikat Chatterjee , Magnus Jansson , Cristian R. Rojas

The continually increasing number of documents produced each year necessitates ever improving information processing methods for searching, retrieving, and organizing text. Central to these information processing methods is document…

Documents are composed of smaller pieces - paragraphs, sentences, and tokens - that have complex relationships between one another. Sentiment classification models that take into account the structure inherent in these documents have a…

Computation and Language · Computer Science 2022-02-03 Jeremy Barnes , Vinit Ravishankar , Lilja Øvrelid , Erik Velldal

Support Vector Machines (SVMs) are powerful learners that have led to state-of-the-art results in various computer vision problems. SVMs suffer from various drawbacks in terms of selecting the right kernel, which depends on the image…

Computer Vision and Pattern Recognition · Computer Science 2014-03-31 Gemma Roig , Xavier Boix , Luc Van Gool

Research has shown that Convolutional Neural Networks (CNN) can be effectively applied to text classification as part of a predictive coding protocol. That said, most research to date has been conducted on data sets with short documents…

Information Retrieval · Computer Science 2019-12-23 Robert Keeling , Rishi Chhatwal , Nathaniel Huber-Fliflet , Jianping Zhang , Fusheng Wei , Haozhen Zhao , Shi Ye , Han Qin

Text classification has become indispensable due to the rapid increase of text in digital form. Over the past three decades, efforts have been made to approach this task using various learning algorithms and statistical models based on…

Machine Learning · Statistics 2018-06-11 Erica K. Shimomoto , Lincon S. Souza , Bernardo B. Gatto , Kazuhiro Fukui

Estimating the difficulty level of math word problems is an important task for many educational applications. Identification of relevant and irrelevant sentences in math word problems is an important step for calculating the difficulty…

Computation and Language · Computer Science 2014-11-24 Suleyman Cetintas , Luo Si , Yan Ping Xin , Dake Zhang , Joo Young Park , Ron Tzur

We present a novel framework for integrating prior knowledge into discriminative classifiers. Our framework allows discriminative classifiers such as Support Vector Machines (SVMs) to utilize prior knowledge specified in the generative…

Artificial Intelligence · Computer Science 2011-09-29 G. DeJong , A. Epshteyn