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Data cleaning is a long-standing challenge in data management. While powerful logic and statistical algorithms have been developed to detect and repair data errors in tables, existing algorithms predominantly rely on domain-experts to first…

Recently Bonet and Geffner have shown that first-order representations for planning domains can be learned from the structure of the state space without any prior knowledge about the action schemas or domain predicates. For this, the…

Artificial Intelligence · Computer Science 2021-05-25 Ivan D. Rodriguez , Blai Bonet , Javier Romero , Hector Geffner

For pixel-level crowd understanding, it is time-consuming and laborious in data collection and annotation. Some domain adaptation algorithms try to liberate it by training models with synthetic data, and the results in some recent works…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Tao Han , Junyu Gao , Yuan Yuan , Qi Wang

Domain adaptation aims to transfer the knowledge learned on (data-rich) source domains to (low-resource) target domains, and a popular method is invariant representation learning, which matches and aligns the data distributions on the…

Information Retrieval · Computer Science 2023-11-01 Ruicheng Xian , Honglei Zhuang , Zhen Qin , Hamed Zamani , Jing Lu , Ji Ma , Kai Hui , Han Zhao , Xuanhui Wang , Michael Bendersky

In higher education, data is collected that indicate the term(s) that a course is taken and when it is passed. Often, study plans propose a suggested course order to students. Study planners can adjust these based on detected deviations…

Computers and Society · Computer Science 2024-10-23 Christian Rennert , Mahsa Pourbafrani , Wil van der Aalst

Ordinal data analysis is an interesting direction in machine learning. It mainly deals with data for which only the relationships `$<$', `$=$', `$>$' between pairs of points are known. We do an attempt of formalizing structures behind…

General Topology · Mathematics 2024-12-24 Karsten Keller , Evgeniy Petrov

Semi-supervised domain adaptation leverages a few labeled and many unlabeled target samples, making it promising for addressing domain shifts in medical image analysis. However, existing methods struggle with severity classification due to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Shota Harada , Ryoma Bise , Kiyohito Tanaka , Seiichi Uchida

Conventionally, AI models are thought to trade off explainability for lower accuracy. We develop a training strategy that not only leads to a more explainable AI system for object classification, but as a consequence, suffers no perceptible…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Andrea Zunino , Sarah Adel Bargal , Riccardo Volpi , Mehrnoosh Sameki , Jianming Zhang , Stan Sclaroff , Vittorio Murino , Kate Saenko

The assumption that data samples are independently identically distributed is the backbone of many learning algorithms. Nevertheless, datasets often exhibit rich structure in practice, and we argue that there exist some unknown order within…

Machine Learning · Computer Science 2019-03-06 Yao-Hung Hubert Tsai , Han Zhao , Ruslan Salakhutdinov , Nebojsa Jojic

Many practical scenarios make it necessary to evaluate top-k queries over data items with partially unknown values. This paper considers a setting where the values are taken from a numerical domain, and where some partial order constraints…

Databases · Computer Science 2019-08-28 Antoine Amarilli , Yael Amsterdamer , Tova Milo , Pierre Senellart

Preference orderings are orderings of a set of items according to the preferences (of judges). Such orderings arise in a variety of domains, including group decision making, consumer marketing, voting and machine learning. Measuring the…

Artificial Intelligence · Computer Science 2016-10-17 Zhiwei Lin , Hui Wang , Cees H. Elzinga

In many real-world prediction tasks, class labels include information about the relative ordering between labels, which is not captured by commonly-used loss functions such as multi-category cross-entropy. Recently, the deep learning…

Machine Learning · Computer Science 2020-11-16 Wenzhi Cao , Vahid Mirjalili , Sebastian Raschka

Adversarial attacks on machine learning-based classifiers, along with defense mechanisms, have been widely studied in the context of single-label classification problems. In this paper, we shift the attention to multi-label classification,…

Machine Learning · Computer Science 2022-12-07 Stefano Melacci , Gabriele Ciravegna , Angelo Sotgiu , Ambra Demontis , Battista Biggio , Marco Gori , Fabio Roli

In this paper we study a new approach in optimization that aims to search a large domain D where a given function takes large, small or specific values via an iterative optimization algorithm based on the gradient. We show that the…

Optimization and Control · Mathematics 2020-05-21 Raian Noufel Lefgoum

Recommender systems have been widely used for various scenarios, such as e-commerce, news, and music, providing online contents to help and enrich users' daily life. Different scenarios hold distinct and unique characteristics, calling for…

Information Retrieval · Computer Science 2024-02-23 Jiayu Li , Aixin Sun , Weizhi Ma , Peijie Sun , Min Zhang

Given enough data, Deep Neural Networks (DNNs) are capable of learning complex input-output relations with high accuracy. In several domains, however, data is scarce or expensive to retrieve, while a substantial amount of expert knowledge…

Artificial Intelligence · Computer Science 2020-02-26 Mattia Silvestri , Michele Lombardi , Michela Milano

Identifying causal relations from purely observational data typically requires additional assumptions on relations and/or noise. Most current methods restrict their analysis to datasets that are assumed to have pure linear or nonlinear…

Machine Learning · Computer Science 2024-10-10 Zhuopeng Xu , Yujie Li , Cheng Liu , Ning Gui

Sentiment analysis is a costly yet necessary task for enterprises to study the opinions of their customers to improve their products and to determine optimal marketing strategies. Due to the existence of a wide range of domains across…

Computation and Language · Computer Science 2021-07-06 Mohammad Rostami , Aram Galstyan

Product Retrieval (PR) and Grounding (PG), aiming to seek image and object-level products respectively according to a textual query, have attracted great interest recently for better shopping experience. Owing to the lack of relevant…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Haoyuan Li , Hao Jiang , Tao Jin , Mengyan Li , Yan Chen , Zhijie Lin , Yang Zhao , Zhou Zhao

Consider the following problem: given a database of records indexed by names (e.g., name of companies, restaurants, businesses, or universities) and a new name, determine whether the new name is in the database, and if so, which record it…

Databases · Computer Science 2018-06-29 Bahare Fatemi , Seyed Mehran Kazemi , David Poole