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Accurate forecasting in the e-commerce finance domain is particularly challenging due to irregular invoice schedules, payment deferrals, and user-specific behavioral variability. These factors, combined with sparse datasets and short…

机器学习 · 计算机科学 2025-09-25 Abhishek Sharma , Anat Parush , Sumit Wadhwa , Amihai Savir , Anne Guinard , Prateek Srivastava

Existing high-dimensional online learning methods often face the challenge that their error bounds, or per-batch sample sizes, diverge as the number of data batches increases. To address this issue, we propose an asynchronous decomposition…

机器学习 · 统计学 2026-03-24 Shixiang Liu , Zhifan Li , Hanming Yang , Jianxin Yin

Data sparsity is a key challenge limiting the power of AI tools across various domains. The problem is especially pronounced in domains that require active user input rather than measurements derived from automated sensors. It is a critical…

机器学习 · 计算机科学 2024-09-12 Sagar Paresh Shah , Ga Wu , Sean W. Kortschot , Samuel Daviau

E-commerce is the fastest-growing segment of the economy. Online reviews play a crucial role in helping consumers evaluate and compare products and services. As a result, fake reviews (opinion spam) are becoming more prevalent and…

机器学习 · 计算机科学 2022-05-27 Kiril Danilchenko , Michael Segal , Dan Vilenchik

Sequential recommendation aims to choose the most suitable items for a user at a specific timestamp given historical behaviors. Existing methods usually model the user behavior sequence based on the transition-based methods like Markov…

信息检索 · 计算机科学 2022-07-11 Zijian Li , Ruichu Cai , Fengzhu Wu , Sili Zhang , Hao Gu , Yuexing Hao , Yuguang

While sentiment analysis is the staple of financial NLP, capturing the nuances of 'why' behind that sentiment remains a challenge. There have been attempts to address this by analysing investor emotions alongside sentiment; however, this…

计算与语言 · 计算机科学 2026-05-06 Gaurav Negi , Paul Buitelaar

Prompt learning is a powerful technique for transferring Vision-Language Models (VLMs) such as CLIP to downstream tasks. However, the prompt-based methods that are fine-tuned solely with base classes may struggle to generalize to novel…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Mushui Liu , Weijie He , Ziqian Lu , Yunlong Yu

Sentiment Analysis (SA) or opinion mining is analysis of emotions and opinions from any kind of text. SA helps in tracking peoples viewpoints and it is an important factor when it comes to social media monitoring product and brand…

计算与语言 · 计算机科学 2025-02-27 Gibson Nkhata , Usman Anjum , Justin Zhan

Previous research has shown that humans are more receptive towards language models that that exhibit empathetic behavior. While empathy is essential for developing helpful dialogue agents, very few large corpora containing empathetic…

计算与语言 · 计算机科学 2025-02-26 Run Chen , Jun Shin , Julia Hirschberg

Sentiment analysis, a vital component in natural language processing, plays a crucial role in understanding the underlying emotions and opinions expressed in textual data. In this paper, we propose an innovative ensemble approach for…

计算与语言 · 计算机科学 2024-04-10 Mathivanan Periasamy , Rohith Mahadevan , Bagiya Lakshmi S , Raja CSP Raman , Hasan Kumar S , Jasper Jessiman

Finding patterns in large highly connected datasets is critical for value discovery in business development and scientific research. This work focuses on the problem of subgraph matching on streaming graphs, which provides utility in a…

分布式、并行与集群计算 · 计算机科学 2022-06-22 Bibek Bhattarai , Howie Huang

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

In recent years, with the rapid advancements in large language models (LLMs), achieving excellent empathetic response capabilities has become a crucial prerequisite. Consequently, managing and understanding empathetic datasets have gained…

计算与语言 · 计算机科学 2024-08-13 Hao Liang , Linzhuang Sun , Jingxuan Wei , Xijie Huang , Linkun Sun , Bihui Yu , Conghui He , Wentao Zhang

This paper presents StreamChat, a novel approach that enhances the interaction capabilities of Large Multimodal Models (LMMs) with streaming video content. In streaming interaction scenarios, existing methods rely solely on visual…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Jihao Liu , Zhiding Yu , Shiyi Lan , Shihao Wang , Rongyao Fang , Jan Kautz , Hongsheng Li , Jose M. Alvare

Understanding of video creativity and content often varies among individuals, with differences in focal points and cognitive levels across different ages, experiences, and genders. There is currently a lack of research in this area, and…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Minghui Wu , Chenxu Zhao , Anyang Su , Donglin Di , Tianyu Fu , Da An , Min He , Ya Gao , Meng Ma , Kun Yan , Ping Wang

Fine-grained sentiment analysis (FGSA) aims to identify sentiment polarity toward specific aspects within a text, enabling more precise opinion mining in domains such as product reviews and social media. However, traditional FGSA approaches…

计算与语言 · 计算机科学 2025-05-21 Zhenkai Qin , Jiajing He , Qiao Fang

An important metric of users' satisfaction and engagement within on-line streaming services is the user session length, i.e. the amount of time they spend on a service continuously without interruption. Being able to predict this value…

机器学习 · 统计学 2018-06-26 Antoine Dedieu , Rahul Mazumder , Zhen Zhu , Hossein Vahabi

Visual reranking is effective to improve the performance of the text-based video search. However, existing reranking algorithms can only achieve limited improvement because of the well-known semantic gap between low level visual features…

信息检索 · 计算机科学 2011-12-22 Xinmei Tian , Dacheng Tao , Yong Rui

E-commerce platforms generate vast volumes of user feedback, such as star ratings, written reviews, and comments. However, most recommendation engines rely primarily on numerical scores, often overlooking the nuanced opinions embedded in…

信息检索 · 计算机科学 2025-05-08 Yogesh Gajula

Understanding the evolution of public opinion is crucial for informed decision-making in various domains, particularly public affairs. The rapid growth of social networks, such as Twitter (now rebranded as X), provides an unprecedented…

社会与信息网络 · 计算机科学 2025-03-31 Zhiping Xiao , Xinyu Wang , Yifang Qin , Zijie Huang , Mason A. Porter , Yizhou Sun