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Recently, opinion summarization, which is the generation of a summary from multiple reviews, has been conducted in a self-supervised manner by considering a sampled review as a pseudo summary. However, non-text data such as image and…

计算与语言 · 计算机科学 2021-05-28 Jinbae Im , Moonki Kim , Hoyeop Lee , Hyunsouk Cho , Sehee Chung

Multimodal interleaved datasets featuring free-form interleaved sequences of images and text are crucial for training frontier large multimodal models (LMMs). Despite the rapid progression of open-source LMMs, there remains a pronounced…

Technical and fundamental analysis are traditional tools used to analyze individual stocks; however, the finance literature has shown that the price movement of each individual stock correlates heavily with other stocks, especially those…

计算工程、金融与科学 · 计算机科学 2019-03-11 Ran Zhao , Yuntian Deng , Mark Dredze , Arun Verma , David Rosenberg , Amanda Stent

Language use differs between domains and even within a domain, language use changes over time. For pre-trained language models like BERT, domain adaptation through continued pre-training has been shown to improve performance on in-domain…

计算与语言 · 计算机科学 2021-09-09 Paul Röttger , Janet B. Pierrehumbert

Given the rapidly evolving nature of social media and people's views, word usage changes over time. Consequently, the performance of a classifier trained on old textual data can drop dramatically when tested on newer data. While research in…

计算与语言 · 计算机科学 2021-08-31 Rabab Alkhalifa , Elena Kochkina , Arkaitz Zubiaga

Financial forecasting is challenging and attractive in machine learning. There are many classic solutions, as well as many deep learning based methods, proposed to deal with it yielding encouraging performance. Stock time series forecasting…

机器学习 · 计算机科学 2019-01-23 Tao Ma

Recent work in learning vector-space embeddings for multi-relational data has focused on combining relational information derived from knowledge bases with distributional information derived from large text corpora. We propose a simple…

计算与语言 · 计算机科学 2016-05-19 Teng Long , Ryan Lowe , Jackie Chi Kit Cheung , Doina Precup

The financial industry poses great challenges with risk modeling and profit generation. These entities are intricately tied to the sophisticated prediction of stock movements. A stock forecaster must untangle the randomness and…

统计金融 · 定量金融 2023-09-14 Luke Sanborn , Matthew Sahagun

Time series models, typically trained on numerical data, are designed to forecast future values. These models often rely on weighted averaging techniques over time intervals. However, real-world time series data is seldom isolated and is…

计算与语言 · 计算机科学 2024-07-08 Litton Jose Kurisinkel , Pruthwik Mishra , Yue Zhang

Sequential modelling of high-dimensional data is an important problem that appears in many domains including model-based reinforcement learning and dynamics identification for control. Latent variable models applied to sequential data…

机器学习 · 计算机科学 2023-01-23 Oliver Limoyo , Trevor Ablett , Jonathan Kelly

Newsletters and social networks can reflect the opinion about the market and specific stocks from the perspective of analysts and the general public on products and/or services provided by a company. Therefore, sentiment analysis of these…

计算与语言 · 计算机科学 2021-12-28 Elvys Linhares Pontes , Mohamed Benjannet

Monolingual data has been demonstrated to be helpful in improving the translation quality of neural machine translation (NMT). The current methods stay at the usage of word-level knowledge, such as generating synthetic parallel data or…

计算与语言 · 计算机科学 2019-08-22 Rongxiang Weng , Heng Yu , Shujian Huang , Weihua Luo , Jiajun Chen

Market financial forecasting is a trending area in deep learning. Deep learning models are capable of tackling the classic challenges in stock market data, such as its extremely complicated dynamics as well as long-term temporal…

统计金融 · 定量金融 2023-03-17 Shima Nabiee , Nader Bagherzadeh

Understanding the duration of news events' impact on the stock market is crucial for effective time-series forecasting, yet this facet is largely overlooked in current research. This paper addresses this research gap by introducing a novel…

计算与语言 · 计算机科学 2024-09-27 Chr-Jr Chiu , Chung-Chi Chen , Hen-Hsen Huang , Hsin-Hsi Chen

We analyze various methods for single-label and multi-label text classification across well-known datasets, categorizing them into bag-of-words, sequence-based, graph-based, and hierarchical approaches. Despite the surge in methods like…

计算与语言 · 计算机科学 2025-01-22 Lukas Galke , Ansgar Scherp , Andor Diera , Fabian Karl , Bao Xin Lin , Bhakti Khera , Tim Meuser , Tushar Singhal

Multilingual semantic parsing is a cost-effective method that allows a single model to understand different languages. However, researchers face a great imbalance of availability of training data, with English being resource rich, and other…

计算与语言 · 计算机科学 2021-06-15 Menglin Xia , Emilio Monti

A multi-modal machine learning system uses multiple unique data sources and types to improve its performance. This article proposes a system that combines results from several types of models, all of which are trained on different data…

Fake news travels at unprecedented speeds, reaches global audiences and puts users and communities at great risk via social media platforms. Deep learning based models show good performance when trained on large amounts of labeled data on…

信息检索 · 计算机科学 2021-06-28 Yaqing Wang , Fenglong Ma , Haoyu Wang , Kishlay Jha , Jing Gao

Tensor decompositions are invaluable tools in analyzing multimodal datasets. In many real-world scenarios, such datasets are far from being static, to the contrary they tend to grow over time. For instance, in an online social network…

机器学习 · 统计学 2024-06-03 Ekta Gujral , Ravdeep Pasricha , Evangelos E. Papalexakis

The recent trend in multiple object tracking (MOT) is heading towards leveraging deep learning to boost the tracking performance. In this paper, we propose a novel solution named TransSTAM, which leverages Transformer to effectively model…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Peng Dai , Yiqiang Feng , Renliang Weng , Changshui Zhang