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There has been an explosion of multimodal content generated on social media networks in the last few years, which has necessitated a deeper understanding of social media content and user behavior. We present a novel content-independent…

信息检索 · 计算机科学 2019-06-12 Karan Sikka , Lucas Van Bramer , Ajay Divakaran

Human communication typically has an underlying structure. This is reflected in the fact that in many user generated videos, a starting point, ending, and certain objective steps between these two can be identified. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2016-01-28 Ozan Sener , Amir Zamir , Silvio Savarese , Ashutosh Saxena

User modeling plays an important role in delivering customized web services to the users and improving their engagement. However, most user models in the literature do not explicitly consider the temporal behavior of users. More recently,…

社会与信息网络 · 计算机科学 2017-02-08 Ali Khodadadi , Seyed Abbas Hosseini , Erfan Tavakoli , Hamid R. Rabiee

In social media, we communicate through pictures, videos, short codes, links, partial phrases. It is a rich, and digitally documented communication channel that relies on a multitude of media and forms. These channels are sorted by…

计算与语言 · 计算机科学 2019-11-01 Selena Savic

The results rendered by the search engines are mostly a linear snippet list. With the prolific increase in the dynamism of web pages there is a need for enhanced result lists from search engines in order to cope-up with the expectations of…

信息检索 · 计算机科学 2012-02-14 K. S. Kuppusamy , G. Aghila

Modeling user preferences (long-term history) and user dynamics (short-term history) is of greatest importance to build efficient sequential recommender systems. The challenge lies in the successful combination of the whole user's history…

机器学习 · 计算机科学 2021-03-31 Corentin Lonjarret , Roch Auburtin , Céline Robardet , Marc Plantevit

Understanding temporal dynamics has proved to be highly valuable for accurate recommendation. Sequential recommenders have been successful in modeling the dynamics of users and items over time. However, while different model architectures…

机器学习 · 计算机科学 2019-02-25 Jiaxi Tang , Francois Belletti , Sagar Jain , Minmin Chen , Alex Beutel , Can Xu , Ed H. Chi

Past work that improves document-level sentiment analysis by encoding user and product information has been limited to considering only the text of the current review. We investigate incorporating additional review text available at the…

计算与语言 · 计算机科学 2020-11-19 Chenyang Lyu , Jennifer Foster , Yvette Graham

With the increase in online news consumption, to maximize advertisement revenue, news media websites try to attract and retain their readers on their sites. One of the most effective tools for reader engagement is commenting, where news…

信息检索 · 计算机科学 2026-02-09 Ankan Mullick , Sayan Ghosh , Ritam Dutt , Avijit Ghosh , Abhijnan Chakraborty

Longitudinal corpora like legal, corporate and newspaper archives are of immense value to a variety of users, and time as an important factor strongly influences their search behavior in these archives. While many systems have been…

信息检索 · 计算机科学 2018-10-25 Jaspreet Singh , Avishek Anand

User-generated texts such as reviews and social media are valuable sources of information. Online reviews are important assets for users to buy a product, see a movie, or make a decision. Therefore, rating of a review is one of the reliable…

计算与语言 · 计算机科学 2018-05-23 Mohammadamir Kavousi , Sepehr Saadatmand

Online social media such as Twitter, Facebook, Wikis and Linkedin have made a great impact on the way we consume information in our day to day life. Now it has become increasingly important that we come across appropriate content from the…

社会与信息网络 · 计算机科学 2015-08-17 Anusha A. , Sanjay Singh

Providing personalized recommendations in an environment where items exhibit ephemerality and temporal relevancy (e.g. in social media) presents a few unique challenges: (1) inductively understanding ephemeral appeal for items in a setting…

社会与信息网络 · 计算机科学 2022-10-31 Frank Portman , Stephen Ragain , Ahmed El-Kishky

Sentiment analysis of Twitter data is performed. The researcher has made the following contributions via this paper: (1) an innovative method for deriving sentiment score dictionaries using an existing sentiment dictionary as seed words is…

计算与语言 · 计算机科学 2015-02-19 Matthew Mayo

As digital media platforms strive to meet evolving user expectations, delivering highly personalized and intuitive movies and media recommendations has become essential for attracting and retaining audiences. Traditional systems often rely…

信息检索 · 计算机科学 2025-05-13 Prabhdeep Cheema , Erhan Guven

Discussion threads form a central part of the experience on many Web sites, including social networking sites such as Facebook and Google Plus and knowledge creation sites such as Wikipedia. To help users manage the challenge of allocating…

社会与信息网络 · 计算机科学 2013-04-18 Lars Backstrom , Jon Kleinberg , Lillian Lee , Cristian Danescu-Niculescu-Mizil

People nowadays express their opinions in online spaces, using different forms of interactions such as posting, sharing and discussing with one another. How do these digital traces change in response to events happening in the real world?…

物理与社会 · 物理学 2025-03-13 Antonio Desiderio , Anna Mancini , Giulio Cimini , Riccardo Di Clemente

There is a lack of quantitative measures to evaluate the progression of topics through time in dynamic topic models (DTMs). Filling this gap, we propose a novel evaluation measure for DTMs that analyzes the changes in the quality of each…

计算与语言 · 计算机科学 2023-09-19 Charu James , Mayank Nagda , Nooshin Haji Ghassemi , Marius Kloft , Sophie Fellenz

This paper deals with the issue of the perceptual quality evaluation of user-generated videos shared online, which is an important step toward designing video-sharing services that maximize users' satisfaction in terms of quality. We first…

多媒体 · 计算机科学 2018-09-17 Soobeom Jang , Jong-Seok Lee

Twitter is a social media platform where users express opinions over a variety of issues. Posts offering grievances or complaints can be utilized by private/ public organizations to improve their service and promptly gauge a low-cost…

计算与语言 · 计算机科学 2020-06-19 Gyanesh Anand , Akash Gautam , Puneet Mathur , Debanjan Mahata , Rajiv Ratn Shah , Ramit Sawhney