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Most data for evaluating and training recommender systems is subject to selection biases, either through self-selection by the users or through the actions of the recommendation system itself. In this paper, we provide a principled approach…

机器学习 · 计算机科学 2016-05-30 Tobias Schnabel , Adith Swaminathan , Ashudeep Singh , Navin Chandak , Thorsten Joachims

In this article, we investigate strategic information transmission over a noisy channel. This problem has been widely investigated in Economics, when the communication channel is perfect. Unlike in Information Theory, both encoder and…

信息论 · 计算机科学 2018-07-16 Mael Le Treust , Tristan Tomala

This technical note considers the problem of resource allocation in linear feedback control system with output disturbance. By decomposing the information rate in the feedback communication channel, the channel resource allocation is…

信息论 · 计算机科学 2015-11-12 Xue Dong , Kun Wang , Chong Xu , Weimin Wang

Noise is an important factor which when get added to an image reduces its quality and appearance. So in order to enhance the image qualities, it has to be removed with preserving the textural information and structural features of image.…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Vivek Kumar , Atul Samadhiya

The search for information on the web is faced with several problems, which arise on the one hand from the vast number of available sources, and on the other hand from their heterogeneity. A promising approach is the use of multi-agent…

多智能体系统 · 计算机科学 2007-05-23 T. Eiter , M. Fink , G. Sabbatini , H. Tompits

Technological systems increasingly mediate human information exchange, spanning interactions among humans as well as between humans and artificial agents. The unprecedented scale and reliance on information disseminated through these…

Online users today are exposed to misleading and propagandistic news articles and media posts on a daily basis. To counter thus, a number of approaches have been designed aiming to achieve a healthier and safer online news and media…

计算与语言 · 计算机科学 2021-08-31 Seunghak Yu , Giovanni Da San Martino , Mitra Mohtarami , James Glass , Preslav Nakov

For reliable transmission across a noisy communication channel, classical results from information theory show that it is asymptotically optimal to separate out the source and channel coding processes. However, this decomposition can fall…

机器学习 · 计算机科学 2019-05-15 Kristy Choi , Kedar Tatwawadi , Aditya Grover , Tsachy Weissman , Stefano Ermon

Online knowledge repositories typically rely on their users or dedicated editors to evaluate the reliability of their content. These evaluations can be viewed as noisy measurements of both information reliability and information source…

社会与信息网络 · 计算机科学 2017-04-04 Behzad Tabibian , Isabel Valera , Mehrdad Farajtabar , Le Song , Bernhard Schölkopf , Manuel Gomez-Rodriguez

Recommender systems are crucial for personalizing user experiences but often depend on implicit feedback data, which can be noisy and misleading. Existing denoising studies involve incorporating auxiliary information or learning strategies…

信息检索 · 计算机科学 2025-02-14 Shuyao Wang , Zhi Zheng , Yongduo Sui , Hui Xiong

We consider the problem of finding the subset of order statistics that contains the most information about a sample of random variables drawn independently from some known parametric distribution. We leverage information-theoretic…

信息论 · 计算机科学 2021-01-29 Alex Dytso , Martina Cardone , Cynthia Rush

Crowdsourcing provides a practical way to obtain large amounts of labeled data at a low cost. However, the annotation quality of annotators varies considerably, which imposes new challenges in learning a high-quality model from the…

机器学习 · 计算机科学 2021-06-15 Zhendong Chu , Jing Ma , Hongning Wang

Crowdsourcing platforms are often used to collect datasets for training machine learning models, despite higher levels of inaccurate labeling compared to expert labeling. There are two common strategies to manage the impact of such noise.…

计算与语言 · 计算机科学 2022-06-14 Derek Chen , Zhou Yu , Samuel R. Bowman

In this article we focus on the problem of channel decoding in presence of a-priori information. In particular, assuming that the a-priori information reliability is not perfectly estimated at the receiver, we derive a novel analytical…

信息论 · 计算机科学 2007-11-14 Andrea Abrardo

In inverse problems, one attempts to infer spatially variable functions from indirect measurements of a system. To practitioners of inverse problems, the concept of "information" is familiar when discussing key questions such as which parts…

Multivariate information decompositions hold promise to yield insight into complex systems, and stand out for their ability to identify synergistic phenomena. However, the adoption of these approaches has been hindered by there being…

信息论 · 计算机科学 2020-12-02 Fernando Rosas , Pedro Mediano , Borzoo Rassouli , Adam Barrett

In disentangled representation learning, a model is asked to tease apart a dataset's underlying sources of variation and represent them independently of one another. Since the model is provided with no ground truth information about these…

机器学习 · 计算机科学 2023-10-24 Kyle Hsu , Will Dorrell , James C. R. Whittington , Jiajun Wu , Chelsea Finn

Deep neural networks have been successfully applied to a broad range of problems where overparametrization yields weight matrices which are partially random. A comparison of weight matrix singular vectors to the Porter-Thomas distribution…

无序系统与神经网络 · 物理学 2024-01-22 Max Staats , Matthias Thamm , Bernd Rosenow

Modelling human variation in rating tasks is crucial for personalization, pluralistic model alignment, and computational social science. We propose representing individuals using natural language value profiles -- descriptions of underlying…

We explore a model of non-Bayesian information aggregation in networks. Agents non-cooperatively choose among Friedkin-Johnsen type aggregation rules to maximize payoffs. The DeGroot rule is chosen in equilibrium if and only if there is…

综合经济学 · 经济学 2023-11-15 Abhijit Banerjee , Olivier Compte