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We provide a differentially private algorithm for producing synthetic data simultaneously useful for multiple tasks: marginal queries and multitask machine learning (ML). A key innovation in our algorithm is the ability to directly handle…

The scarcity of labeled data is a critical obstacle to deep learning. Semi-supervised learning (SSL) provides a promising way to leverage unlabeled data by pseudo labels. However, when the size of labeled data is very small (say a few…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Yi Xu , Jiandong Ding , Lu Zhang , Shuigeng Zhou

In today's data-driven ecosystems, ensuring data integrity, traceability and accountability is important. Provenance polynomials constitute a powerful formalism for tracing the origin and the derivations made to produce database query…

Databases · Computer Science 2025-08-21 Paulo Pintor , Rogério Costa , José Moreira

We introduce an unsupervised discriminative model for the task of retrieving experts in online document collections. We exclusively employ textual evidence and avoid explicit feature engineering by learning distributed word representations…

Information Retrieval · Computer Science 2017-09-19 Christophe Van Gysel , Maarten de Rijke , Marcel Worring

Personalized size and fit recommendations bear crucial significance for any fashion e-commerce platform. Predicting the correct fit drives customer satisfaction and benefits the business by reducing costs incurred due to size-related…

Data cleansing is a typical approach used to improve the accuracy of machine learning models, which, however, requires extensive domain knowledge to identify the influential instances that affect the models. In this paper, we propose an…

Machine Learning · Statistics 2019-06-21 Satoshi Hara , Atsushi Nitanda , Takanori Maehara

This paper addresses the problem of sequential submodular maximization: selecting and ranking items in a sequence to optimize some composite submodular function. In contrast to most of the previous works, which assume access to the utility…

Machine Learning · Computer Science 2024-09-10 Jing Yuan , Shaojie Tang

Data annotated by humans is a source of knowledge by describing the peculiarities of the problem and therefore fueling the decision process of the trained model. Unfortunately, the annotation process for subjective natural language…

Computation and Language · Computer Science 2023-12-14 Kamil Kanclerz , Julita Bielaniewicz , Marcin Gruza , Jan Kocon , Stanisław Woźniak , Przemysław Kazienko

The problem of fully supervised classification is that it requires a tremendous amount of annotated data, however, in many datasets a large portion of data is unlabeled. To alleviate this problem semi-supervised learning (SSL) leverages the…

Machine Learning · Computer Science 2022-07-26 Ehsan Kazemi

The extraction of modular object-centric representations for downstream tasks is an emerging area of research. Learning grounded representations of objects that are guaranteed to be stable and invariant promises robust performance across…

Machine Learning · Computer Science 2024-01-26 Avinash Kori , Francesco Locatello , Fabio De Sousa Ribeiro , Francesca Toni , Ben Glocker

Modern recognition systems require large amounts of supervision to achieve accuracy. Adapting to new domains requires significant data from experts, which is onerous and can become too expensive. Zero-shot learning requires an annotated set…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Utkarsh Mall , Bharath Hariharan , Kavita Bala

We consider the problem of personalization of online services from the viewpoint of ad targeting, where we seek to find the best ad categories to be shown to each user, resulting in improved user experience and increased advertisers'…

Artificial Intelligence · Computer Science 2016-06-30 Nemanja Djuric , Mihajlo Grbovic , Vladan Radosavljevic , Narayan Bhamidipati , Slobodan Vucetic

Presentation bias is one of the key challenges when learning from implicit feedback in search engines, as it confounds the relevance signal with uninformative signals due to position in the ranking, saliency, and other presentation factors.…

Machine Learning · Computer Science 2018-06-12 Aman Agarwal , Ivan Zaitsev , Thorsten Joachims

Deep learning methods typically require vast amounts of training data to reach their full potential. While some publicly available datasets exists, domain specific data always needs to be collected and manually labeled, an expensive, time…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Stefan Hinterstoisser , Olivier Pauly , Hauke Heibel , Martina Marek , Martin Bokeloh

Recently developed deep neural networks achieved state-of-the-art results in the subject of 6D object pose estimation for robot manipulation. However, those supervised deep learning methods require expensive annotated training data. Current…

Robotics · Computer Science 2022-05-12 Paul Koch , Marian Schlüter , Serge Thill

Accurate explicit and implicit product identification in search queries is critical for enhancing user experiences, especially at a company like Adobe which has over 50 products and covers queries across hundreds of tools. In this work, we…

Information Retrieval · Computer Science 2024-05-30 Sanat Sharma , Jayant Kumar , Twisha Naik , Zhaoyu Lu , Arvind Srikantan , Tracy Holloway King

Data is the engine of modern computer vision, which necessitates collecting large-scale datasets. This is expensive, and guaranteeing the quality of the labels is a major challenge. In this paper, we investigate efficient annotation…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Yuan-Hong Liao , Amlan Kar , Sanja Fidler

Advanced omics technologies and facilities generate a wealth of valuable data daily; however, the data often lacks the essential metadata required for researchers to find and search them effectively. The lack of metadata poses a significant…

Self-Supervised Learning (SSL) has emerged as the solution of choice to learn transferable representations from unlabeled data. However, SSL requires to build samples that are known to be semantically akin, i.e. positive views. Requiring…

Machine Learning · Computer Science 2023-10-02 Vivien Cabannes , Leon Bottou , Yann Lecun , Randall Balestriero

The knowledge that humans hold about a problem often extends far beyond a set of training data and output labels. While the success of deep learning mostly relies on supervised training, important properties cannot be inferred efficiently…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Damien Teney , Ehsan Abbasnejad , Anton van den Hengel
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