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Food is an integral part of our lives, cultures, and well-being, and is of major interest to public health. The collection of daily nutritional data involves keeping detailed diaries or periodic surveys and is limited in scope and reach.…

计算机与社会 · 计算机科学 2015-01-27 Sofiane Abbar , Yelena Mejova , Ingmar Weber

Twitter is used for a variety of reasons, including information dissemination, marketing, political organizing and to spread propaganda, spamming, promotion, conversations, and so on. Characterizing these activities and categorizing…

社会与信息网络 · 计算机科学 2011-06-03 Rumi Ghosh , Tawan Surachawala , Kristina Lerman

Many learning tasks involve multi-modal data streams, where continuous data from different modes convey a comprehensive description about objects. A major challenge in this context is how to efficiently interpret multi-modal information in…

机器学习 · 计算机科学 2020-07-24 Amila Silva , Shanika Karunasekera , Christopher Leckie , Ling Luo

Short text messages such as tweets are very noisy and sparse in their use of vocabulary. Traditional textual representations, such as tf-idf, have difficulty grasping the semantic meaning of such texts, which is important in applications…

信息检索 · 计算机科学 2016-07-05 Cedric De Boom , Steven Van Canneyt , Thomas Demeester , Bart Dhoedt

Diet management is key to managing chronic diseases such as diabetes. Automated food recommender systems may be able to assist by providing meal recommendations that conform to a user's nutrition goals and food preferences. Current…

计算与语言 · 计算机科学 2021-11-23 Ahmed A. Metwally , Ariel K. Leong , Aman Desai , Anvith Nagarjuna , Dalia Perelman , Michael Snyder

With the advancement of machine learning and artificial intelligence technologies, recommender systems have been increasingly used across a vast variety of platforms to efficiently and effectively match users with items. As application…

信息检索 · 计算机科学 2026-01-28 Xuan Bi , Yaqiong Wang , Gediminas Adomavicius , Shawn Curley

In the era of rapid technological advancement, social media platforms such as Twitter (X) have emerged as indispensable tools for gathering consumer insights, capturing diverse opinions, and understanding public attitudes. This research…

人机交互 · 计算机科学 2025-10-23 S M Rakib Ul Karim , Rownak Ara Rasul , Tunazzina Sultana

To extract essential information from complex data, computer scientists have been developing machine learning models that learn low-dimensional representation mode. From such advances in machine learning research, not only computer…

人工智能 · 计算机科学 2024-06-18 Akira Matsui , Emilio Ferrara

Recently, researchers have shown an increased interest in harnessing Twitter data for dynamic monitoring of traffic conditions. Bag-of-words representation is a common method in literature for tweet modeling and retrieving traffic…

信息检索 · 计算机科学 2018-12-05 Sina Dabiri , Kevin Heaslip

Multimodal target/aspect sentiment classification combines multimodal sentiment analysis and aspect/target sentiment classification. The goal of the task is to combine vision and language to understand the sentiment towards a target entity…

计算与语言 · 计算机科学 2021-08-09 Zaid Khan , Yun Fu

Emojis are being frequently used in todays digital world to express from simple to complex thoughts more than ever before. Hence, they are also being used in sentiment analysis and targeted marketing campaigns. In this work, we performed…

计算与语言 · 计算机科学 2025-02-20 Sirisha Velampalli , Chandrashekar Muniyappa , Ashutosh Saxena

During broadcast events such as the Superbowl, the U.S. Presidential and Primary debates, etc., Twitter has become the de facto platform for crowds to share perspectives and commentaries about them. Given an event and an associated…

社会与信息网络 · 计算机科学 2012-12-24 Yuheng Hu , Ajita John , Fei Wang , Subbarao Kambhampati

Predicting the geographical location of users on social networks like Twitter is an active research topic with plenty of methods proposed so far. Most of the existing work follows either a content-based or a network-based approach. The…

社会与信息网络 · 计算机科学 2018-05-15 Tien Huu Do , Duc Minh Nguyen , Evaggelia Tsiligianni , Bruno Cornelis , Nikos Deligiannis

An increasing number of people are using online social networking services (SNSs), and a significant amount of information related to experiences in consumption is shared in this new media form. Text mining is an emerging technique for…

计算与语言 · 计算机科学 2016-11-18 Eun Hee Ko , Diego Klabjan

Traffic jams on roadways, echo chambers on social media, crowds of moving pedestrians, and opinion dynamics during elections are all complex social systems. These applications may seem disparate, but some of the questions that they motivate…

物理与社会 · 物理学 2022-10-18 Alexandria Volkening

This paper considers the task of matching images and sentences by learning a visual-textual embedding space for cross-modal retrieval. Finding such a space is a challenging task since the features and representations of text and image are…

信息检索 · 计算机科学 2020-02-28 Hadi Abdi Khojasteh , Ebrahim Ansari , Parvin Razzaghi , Akbar Karimi

Information spread in social media depends on a number of factors, including how the site displays information, how users navigate it to find items of interest, users' tastes, and the `virality' of information, i.e., its propensity to be…

社会与信息网络 · 计算机科学 2015-02-03 Jeon-Hyung Kang , Kristina Lermam

Emojis have been widely used in textual communications as a new way to convey nonverbal cues. An interesting observation is the various emoji usage patterns among different users. In this paper, we investigate the correlation between user…

社会与信息网络 · 计算机科学 2018-04-17 Weijian Li , Yuxiao Chen , Tianran Hu , Jiebo Luo

Although yoga is a multi-component practice to hone the body and mind and be known to reduce anxiety and depression, there is still a gap in understanding people's emotional state related to yoga in social media. In this study, we…

计算与语言 · 计算机科学 2021-04-19 Tunazzina Islam , Dan Goldwasser

Twitter (one example of microblogging) is widely being used by researchers to understand human behavior, specifically how people behave when a significant event occurs and how it changes user microblogging patterns. The changing…

社会与信息网络 · 计算机科学 2023-02-02 Usman Anjum , Vladimir Zadorozhny , Prashant Krishnamurthy