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The puzzling idea that the combination of independent estimates of the magnitude of a quantity results in a very accurate prediction, which is superior to any or, at least, to most of the individual estimates is known as the wisdom of…

Applications · Statistics 2021-05-26 Sandro M. Reia , José F. Fontanari

Collaborative filtering is the process of making recommendations regarding the potential preference of a user, for example shopping on the Internet, based on the preference ratings of the user and a number of other users for various items.…

Information Retrieval · Computer Science 2013-01-14 Rita Sharma , David L Poole

In open-ended natural-language generation, existing text decoding methods typically struggle to produce text which is both diverse and high-quality. Greedy and beam search are known to suffer from text degeneration and linguistic diversity…

Computation and Language · Computer Science 2022-11-15 Mirac Suzgun , Luke Melas-Kyriazi , Dan Jurafsky

A collaborative filtering system recommends to users products that similar users like. Collaborative filtering systems influence purchase decisions, and hence have become targets of manipulation by unscrupulous vendors. We provide…

Machine Learning · Computer Science 2009-04-19 Xiang Yan , Benjamin Van Roy

Neural collaborative filtering is the state of art field in the recommender systems area; it provides some models that obtain accurate predictions and recommendations. These models are regression-based, and they just return rating…

Information Retrieval · Computer Science 2024-10-28 Jesús Bobadilla , Abraham Gutiérrez , Santiago Alonso , Ángel González-Prieto

In the world of big data, many people find it difficult to access the information they need quickly and accurately. In order to overcome this, research on the system that recommends information accurately to users is continuously conducted.…

Computers and Society · Computer Science 2019-09-19 Keum Gang Cha , Soo-Ryeon Lee , Jung-Woo Lee , Seung Bin Baik

Collaborative filtering is an important technique for recommendation. Whereas it has been repeatedly shown to be effective in previous work, its performance remains unsatisfactory in many real-world applications, especially those where the…

Information Retrieval · Computer Science 2018-08-15 Zhiyu Min , Dahua Lin

The provision of information can improve individual judgments but also fail to make group decisions more accurate; if individuals choose to attend to the same information in the same manner, the predictive diversity that enables crowd…

General Economics · Economics 2025-12-29 Jon Atwell , Marlon Twyman

Stock market prediction is the act of trying to determine the future value of a company stock or other financial instrument traded on a financial exchange.

Computational Engineering, Finance, and Science · Computer Science 2014-03-03 Osman Hegazy , Omar S. Soliman , Mustafa Abdul Salam

Crime solving is a domain where solution discovery is often serendipitous. Unstructured mechanisms, like Reddit, for crime solving through crowds have failed so far. Mechanisms, collaborations, workflows, and micro-tasks necessary for…

Human-Computer Interaction · Computer Science 2015-11-25 Nitesh Goyal

We present an approach for selecting objectively informative and subjectively helpful annotations to social media posts. We draw on data from on an online environment where contributors annotate misinformation and simultaneously rate the…

Social and Information Networks · Computer Science 2022-10-31 Stefan Wojcik , Sophie Hilgard , Nick Judd , Delia Mocanu , Stephen Ragain , M. B. Fallin Hunzaker , Keith Coleman , Jay Baxter

In evaluating prediction markets (and other crowd-prediction mechanisms), investigators have repeatedly observed a so-called "wisdom of crowds" effect, which roughly says that the average of participants performs much better than the…

Artificial Intelligence · Computer Science 2012-02-01 Alina Beygelzimer , John Langford , David Pennock

Analyzing stocks and making higher accurate predictions on where the price is heading continues to become more and more challenging therefore, we designed a new financial algorithm that leverages social media sentiment analysis to enhance…

Machine Learning · Computer Science 2025-02-11 SriVarsha Mulakala , Umesh Vangapally , Benjamin Larkey , Aidan Henrichs , Corey Wojslaw

We live in a computerized and networked society where many of our actions leave a digital trace and affect other people's actions. This has lead to the emergence of a new data-driven research field: mathematical methods of computer science,…

Statistical Finance · Quantitative Finance 2015-05-30 Ilaria Bordino , Stefano Battiston , Guido Caldarelli , Matthieu Cristelli , Antti Ukkonen , Ingmar Weber

The wisdom of crowds has been shown to operate not only for factual judgments but also in matters of taste, where accuracy is defined relative to an individual's preferences. However, it remains unclear how different types of social signals…

Physics and Society · Physics 2026-02-12 Itsuki Fujisaki , Kunhao Yang

We propose improved methods to identify stock groups using the correlation matrix of stock price changes. By filtering out the marketwide effect and the random noise, we construct the correlation matrix of stock groups in which nontrivial…

Physics and Society · Physics 2008-12-02 Dong-Hee Kim , Hawoong Jeong

We explore the use of aggregative crowdsourced forecasting (ACF) as a mechanism to help operationalize ``collective intelligence'' of human-machine teams for coordinated actions. We adopt the definition for Collective Intelligence as: ``A…

Artificial Intelligence · Computer Science 2024-02-22 Nikolos Gurney , Fred Morstatter , David V. Pynadath , Adam Russell , Gleb Satyukov

The aggregation of many independent estimates can outperform the most accurate individual judgment. This centenarian finding, popularly known as the wisdom of crowds, has been applied to problems ranging from the diagnosis of cancer to…

Social and Information Networks · Computer Science 2017-11-20 Joaquin Navajas , Tamara Niella , Gerry Garbulsky , Bahador Bahrami , Mariano Sigman

Human collective intelligence has proved itself as an important factor in a society's ability to accomplish large-scale behavioral feats. As societies have grown in population-size, individuals have seen a decrease in their ability to…

Computers and Society · Computer Science 2008-05-23 Marko Rodriguez

Decades of research suggest that information exchange in groups and organizations can reliably improve judgment accuracy in tasks such as financial forecasting, market research, and medical decision-making. However, we show that improving…

General Economics · Economics 2021-04-26 Joshua Becker , Douglas Guilbeault , Ned Smith