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Motivation: Similarity-measure based clustering is a crucial problem appearing throughout scientific data analysis. Recently, a powerful new algorithm called Affinity Propagation (AP) based on message-passing techniques was proposed by Frey…

Quantitative Methods · Quantitative Biology 2007-11-29 Michele Leone , Sumedha , Martin Weigt

Emotion recognition through artificial intelligence and smart sensing of physical and physiological signals (Affective Computing) is achieving very interesting results in terms of accuracy, inference times, and user-independent models. In…

Human-Computer Interaction · Computer Science 2024-10-08 Laura Gutierrez-Martin , Celia Lopez Ongil , Jose M. Lanza-Gutierrez , Jose A. Miranda Calero

Recently a new clustering algorithm called 'affinity propagation' (AP) has been proposed, which efficiently clustered sparsely related data by passing messages between data points. However, we want to cluster large scale data where the…

Machine Learning · Computer Science 2009-10-12 Dingyin Xia , Fei Wu , Xuqing Zhang , Yueting Zhuang

Over the past decade humans have experienced exponential growth in the use of online resources, in particular social media and microblogging websites such as Facebook, Twitter, YouTube and also mobile applications such as WhatsApp, Line,…

Information Retrieval · Computer Science 2015-09-09 Rishabh Soni , K. James Mathai

Modern data mining applications require to perform incremental clustering over dynamic datasets by tracing temporal changes over the resulting clusters. In this paper, we propose A-Posteriori affinity Propagation (APP), an incremental…

Machine Learning · Computer Science 2024-01-29 Silvana Castano , Alfio Ferrara , Stefano Montanelli , Francesco Periti

Clustering data into meaningful subsets is a major task in scientific data analysis. To date, various strategies ranging from model-based approaches to data-driven schemes, have been devised for efficient and accurate clustering. One…

Machine Learning · Computer Science 2023-01-31 Omar Maddouri , Xiaoning Qian , Byung-Jun Yoon

Products reviews are one of the major resources to determine the public sentiment. The existing literature on reviews sentiment analysis mainly utilizes supervised paradigm, which needs labeled data to be trained on and suffers from…

Computation and Language · Computer Science 2017-05-30 Murtadha Talib AL-Sharuee , Fei Liu , Mahardhika Pratama

The massive collection of user posts across social media platforms is primarily untapped for artificial intelligence (AI) use cases based on the sheer volume and velocity of textual data. Natural language processing (NLP) is a subfield of…

Computation and Language · Computer Science 2023-07-07 Alexandrea K. Ramnarine

In the field of natural language processing, sentiment analysis via deep learning has a excellent performance by using large labeled datasets. Meanwhile, labeled data are insufficient in many sentiment analysis, and obtaining these data is…

Computation and Language · Computer Science 2022-05-17 Pengfei Zhang , Tingting Chai , Yongdong Xu

When domain experts are needed to perform data annotation for complex machine-learning tasks, reducing annotation effort is crucial in order to cut down time and expenses. For cases when there are no annotations available, one approach is…

Machine Learning · Computer Science 2022-06-22 Einari Vaaras , Manu Airaksinen , Okko Räsänen

This paper aims to use term clustering to build a modular ontology according to core ontology from domain-specific text. The acquisition of semantic knowledge focuses on noun phrase appearing with the same syntactic roles in relation to a…

Information Retrieval · Computer Science 2019-01-29 Ziwei Xu , Mounira Harzallah , Fabrice Guillet

Supervised classification can be effective for prediction but sometimes weak on interpretability or explainability (XAI). Clustering, on the other hand, tends to isolate categories or profiles that can be meaningful but there is no…

Machine Learning · Computer Science 2021-04-27 Vincent Lemaire , Oumaima Alaoui Ismaili , Antoine Cornuéjols , Dominique Gay

Background: Neural networks produce biased classification results due to correlation bias (they learn correlations between their inputs and outputs to classify samples, even when those correlations do not represent cause-and-effect…

Computation and Language · Computer Science 2022-04-25 Jared Mowery

Opinion mining and demographic attribute inference have many applications in social science. In this paper, we propose models to infer daily joint probabilities of multiple latent attributes from Twitter data, such as political sentiment…

Social and Information Networks · Computer Science 2018-01-01 Ehsan Mohammady Ardehaly , Aron Culotta

Soft-constraint affinity propagation (SCAP) is a new statistical-physics based clustering technique. First we give the derivation of a simplified version of the algorithm and discuss possibilities of time- and memory-efficient…

Data Analysis, Statistics and Probability · Physics 2008-10-20 Michele Leone , Sumedha , Martin Weigt

The growing popularity of social media (e.g, Twitter) allows users to easily share information with each other and influence others by expressing their own sentiments on various subjects. In this work, we propose an unsupervised…

Social and Information Networks · Computer Science 2014-06-13 Linhong Zhu , Aram Galstyan , James Cheng , Kristina Lerman

A sentiment analysis system powered by machine learning was created in this study to improve real-time social network public opinion monitoring. For sophisticated sentiment identification, the suggested approach combines cutting-edge…

Computation and Language · Computer Science 2025-02-25 Arsen Tolebay Nurlanuly

While traditional research on text clustering has largely focused on grouping documents by topic, it is conceivable that a user may want to cluster documents along other dimensions, such as the authors mood, gender, age, or sentiment.…

Information Retrieval · Computer Science 2014-01-22 Sajib Dasgupta , Vincent Ng

The study of public opinion can provide us with valuable information. The analysis of sentiment on social networks, such as Twitter or Facebook, has become a powerful means of learning about the users' opinions and has a wide range of…

Computation and Language · Computer Science 2020-06-08 Nhan Cach Dang , María N. Moreno-García , Fernando De la Prieta

Affinity propagation is an exemplar-based clustering algorithm that finds a set of data-points that best exemplify the data, and associates each datapoint with one exemplar. We extend affinity propagation in a principled way to solve the…

Machine Learning · Computer Science 2012-02-20 Inmar Givoni , Clement Chung , Brendan J. Frey
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