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Novel Categories Discovery (NCD) facilitates learning from a partially annotated label space and enables deep learning (DL) models to operate in an open-world setting by identifying and differentiating instances of novel classes based on…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Zahid Hasan , Masud Ahmed , Abu Zaher Md Faridee , Sanjay Purushotham , Heesung Kwon , Hyungtae Lee , Nirmalya Roy

This paper presents SeqClusFD, a top-down sequential clustering method for functional data. The clustering algorithm extracts the splitting information either from trajectories, first or second derivatives. Initial partition is based on gap…

Methodology · Statistics 2023-12-29 Ana Justel , Marcela Svarc

This paper addresses the problem of Rehearsal-Free Continual Category Discovery (RF-CCD), which focuses on continuously identifying novel class by leveraging knowledge from labeled data. Existing methods typically train from scratch,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Chuyu Zhang , Xueyang Yu , Peiyan Gu , Xuming He

This paper describes an approach for automatic construction of dictionaries for Named Entity Recognition (NER) using large amounts of unlabeled data and a few seed examples. We use Canonical Correlation Analysis (CCA) to obtain lower…

Computation and Language · Computer Science 2015-04-28 Arvind Neelakantan , Michael Collins

Formal Concept Analysis (FCA) is an approach to creating a conceptual hierarchy in which a \textit{concept lattice} is generated from a \textit{formal context}. That is, a triple consisting of a set of objects, $G$, a set of attributes,…

Logic in Computer Science · Computer Science 2024-10-08 Lucas Carr , Nicholas Leisegang , Thomas Meyer , Sebastian Rudolph

Formal Concept Analysis (FCA) begins from a context, given as a binary relation between some objects and some attributes, and derives a lattice of concepts, where each concept is given as a set of objects and a set of attributes, such that…

Machine Learning · Computer Science 2023-11-03 Dusko Pavlovic

Short text classification is one of important tasks in Natural Language Processing (NLP). Unlike paragraphs or documents, short texts are more ambiguous since they have not enough contextual information, which poses a great challenge for…

Computation and Language · Computer Science 2019-02-22 Jindong Chen , Yizhou Hu , Jingping Liu , Yanghua Xiao , Haiyun Jiang

We propose Cognitive Databases, an approach for transparently enabling Artificial Intelligence (AI) capabilities in relational databases. A novel aspect of our design is to first view the structured data source as meaningful unstructured…

Databases · Computer Science 2017-12-21 Rajesh Bordawekar , Bortik Bandyopadhyay , Oded Shmueli

In recent years, the growing need to leverage sensitive data across institutions has led to increased attention on federated learning (FL), a decentralized machine learning paradigm that enables model training without sharing raw data.…

Explainability is a key challenge and a major research theme in AI research for developing intelligent systems that are capable of working with humans more effectively. An obvious choice in developing explainable intelligent systems relies…

Artificial Intelligence · Computer Science 2023-01-06 Erman Acar , Andrea De Domenico , Krishna Manoorkar , Mattia Panettiere

On-the-Fly Category Discovery (OCD) aims to recognize known classes while simultaneously discovering emerging novel categories during inference, using supervision only from known classes during offline training. Existing approaches rely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Bohan Zhang , Weidong Tang , Zhixiang Chi , Yi Jin , Zhenbo Li , Yang Wang , Yanan Wu

Concept-based explanations have emerged as an effective approach within Explainable Artificial Intelligence, enabling interpretable insights by aligning model decisions with human-understandable concepts. However, existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Payal Varshney , Adriano Lucieri , Christoph Balada , Andreas Dengel , Sheraz Ahmed

Discovering novel classes in open-world settings is crucial for real-world applications. Traditional explicit representations, such as object descriptors or 3D segmentation maps, are constrained by their discrete, hole-prone, and noisy…

Machine Learning · Computer Science 2025-06-10 Junming Wang , Yi Shi

In this paper, we focus on Novel Class Discovery for Point Cloud Segmentation (3D-NCD), aiming to learn a model that can segment unlabeled (novel) 3D classes using only the supervision from labeled (base) 3D classes. The key to this task is…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Yang Li , Aming Wu , Zihao Zhang , Yahong Han

Data lakes are widely used to store extensive and heterogeneous datasets for advanced analytics. However, the unstructured nature of data in these repositories introduces complexities in exploiting them and extracting meaningful insights.…

Databases · Computer Science 2024-08-27 Anes Bendimerad , Romain Mathonat , Youcef Remil , Mehdi Kaytoue

Clustering is one of the main tasks in exploratory data analysis and descriptive statistics where the main objective is partitioning observations in groups. Clustering has a broad range of application in varied domains like climate,…

Databases · Computer Science 2012-03-20 Saptarsi Goswami , Amlan Chakrabarti

Dataset distillation (DD) aims to minimize the time and memory consumption needed for training deep neural networks on large datasets, by creating a smaller synthetic dataset that has similar performance to that of the full real dataset.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xinhao Zhong , Bin Chen , Hao Fang , Xulin Gu , Shu-Tao Xia , En-Hui Yang

Generalized Category Discovery (GCD) aims to classify both known and novel categories using partially labeled data that contains only known classes. Despite achieving strong performance on existing benchmarks, current textual GCD methods…

Computation and Language · Computer Science 2025-05-30 Yi Luo , Qiwen Wang , Junqi Yang , Luyao Tang , Zhenghao Lin , Zhenzhe Ying , Weiqiang Wang , Chen Lin

This paper tackles the problem of novel category discovery (NCD), which aims to discriminate unknown categories in large-scale image collections. The NCD task is challenging due to the closeness to the real-world scenarios, where we have…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Lu Zhang , Lu Qi , Xu Yang , Hong Qiao , Ming-Hsuan Yang , Zhiyong Liu

Open set domain recognition has got the attention in recent years. The task aims to specifically classify each sample in the practical unlabeled target domain, which consists of all known classes in the manually labeled source domain and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Xinxing He , Yuan Yuan , Zhiyu Jiang