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An initial procedure in text-as-data applications is text preprocessing. One of the typical steps, which can substantially facilitate computations, consists in removing infrequent words believed to provide limited information about the…

计算与语言 · 计算机科学 2023-11-27 Victor Bystrov , Viktoriia Naboka-Krell , Anna Staszewska-Bystrova , Peter Winker

Recommendation systems have an important place to help online users in the internet society. Recommendation Systems in computer science are of very practical use these days in various aspects of the Internet portals, such as social…

信息检索 · 计算机科学 2018-12-21 Hamed Jelodar , Yongli Wang , Mahdi Rabbani , Ru-xin Zhao , Seyedvalyallah Ayobi , Peng Hu , Isma Masood

Unsupervised clustering of temporal data is both challenging and crucial in machine learning. In this paper, we show that neither traditional clustering methods, time series specific or even deep learning-based alternatives generalise well…

机器学习 · 计算机科学 2020-10-13 Nuno Mota Goncalves , Ioana Giurgiu , Anika Schumann

Existing studies on semantic parsing mainly focus on the in-domain setting. We formulate cross-domain semantic parsing as a domain adaptation problem: train a semantic parser on some source domains and then adapt it to the target domain.…

计算与语言 · 计算机科学 2017-07-26 Yu Su , Xifeng Yan

While deep learning techniques have shown promising results in many natural language processing (NLP) tasks, it has not been widely applied to the clinical domain. The lack of large datasets and the pervasive use of domain-specific language…

计算与语言 · 计算机科学 2019-06-20 Jiin Nam , Seunghyun Yoon , Kyomin Jung

This paper focuses on multi-enrollment speaker recognition which naturally occurs in the task of online speaker clustering, and studies the properties of different scoring back-ends in this scenario. First, we show that popular cosine…

音频与语音处理 · 电气工程与系统科学 2023-02-21 Alexey Sholokhov , Nikita Kuzmin , Kong Aik Lee , Eng Siong Chng

Convolutional networks are at the center of best-in-class computer vision applications for a wide assortment of undertakings. Since 2014, a profound amount of work began to make better convolutional architectures, yielding generous…

计算机视觉与模式识别 · 计算机科学 2021-10-07 Dishant Parikh

To enhance the domain-specific capabilities of large language models, continued pre-training on a domain-specific corpus is a prevalent method. Recent work demonstrates that adapting models using reading comprehension data formatted by…

Citations are generally analyzed using only quantitative measures while excluding qualitative aspects such as sentiment and intent. However, qualitative aspects provide deeper insights into the impact of a scientific research artifact and…

信息检索 · 计算机科学 2022-02-23 Dominique Mercier , Syed Tahseen Raza Rizvi , Vikas Rajashekar , Sheraz Ahmed , Andreas Dengel

Brown clustering is a hard, hierarchical, bottom-up clustering of words in a vocabulary. Words are assigned to clusters based on their usage pattern in a given corpus. The resulting clusters and hierarchical structure can be used in…

计算与语言 · 计算机科学 2016-08-05 Manuel R. Ciosici

A huge number of multi-participant dialogues happen online every day, which leads to difficulty in understanding the nature of dialogue dynamics for both humans and machines. Dialogue disentanglement aims at separating an entangled dialogue…

计算与语言 · 计算机科学 2023-02-17 Jingsheng Gao , Zeyu Li , Suncheng Xiang , Ting Liu , Yuzhuo Fu

Causal knowledge extraction is the task of extracting relevant causes and effects from text by detecting the causal relation. Although this task is important for language understanding and knowledge discovery, recent works in this domain…

计算与语言 · 计算机科学 2023-08-09 Anik Saha , Oktie Hassanzadeh , Alex Gittens , Jian Ni , Kavitha Srinivas , Bulent Yener

Many tasks in Natural Language Processing involve recognizing lexical entailment. Two different approaches to this problem have been proposed recently that are quite different from each other. The first is an asymmetric similarity measure…

计算与语言 · 计算机科学 2014-12-03 John Wieting

Tabular data pervades the landscape of the World Wide Web, playing a foundational role in the digital architecture that underpins online information. Given the recent influence of large-scale pretrained models like ChatGPT and SAM across…

机器学习 · 计算机科学 2024-02-02 Chao Ye , Guoshan Lu , Haobo Wang , Liyao Li , Sai Wu , Gang Chen , Junbo Zhao

With the advent and popularity of big data mining and huge text analysis in modern times, automated text summarization became prominent for extracting and retrieving important information from documents. This research investigates aspects…

信息检索 · 计算机科学 2023-05-31 Daniel F. O. Onah , Elaine L. L. Pang , Mahmoud El-Haj

Neural rankers based on deep pretrained language models (LMs) have been shown to improve many information retrieval benchmarks. However, these methods are affected by their the correlation between pretraining domain and target domain and…

信息检索 · 计算机科学 2020-11-04 Chenyan Xiong , Zhenghao Liu , Si Sun , Zhuyun Dai , Kaitao Zhang , Shi Yu , Zhiyuan Liu , Hoifung Poon , Jianfeng Gao , Paul Bennett

Citation parsing is fundamental for search engines within academia and the protection of intellectual property. Meticulous extraction is further needed when evaluating the similarity of documents and calculating their citation impact.…

数字图书馆 · 计算机科学 2018-05-23 Niall Martin Ryan

In this paper, we investigate the learning-augmented $k$-median clustering problem, which aims to improve the performance of traditional clustering algorithms by preprocessing the point set with a predictor of error rate $\alpha \in [0,1)$.…

数据结构与算法 · 计算机科学 2026-03-12 Kangke Cheng , Shihong Song , Guanlin Mo , Hu Ding

We investigate the problem of learning a topic model - the well-known Latent Dirichlet Allocation - in a distributed manner, using a cluster of C processors and dividing the corpus to be learned equally among them. We propose a simple…

机器学习 · 计算机科学 2009-09-28 James Petterson , Tiberio Caetano

When dealing with large collections of documents, it is imperative to quickly get an overview of the texts' contents. In this paper we show how this can be achieved by using a clustering algorithm to identify topics in the dataset and then…

计算与语言 · 计算机科学 2017-07-20 Franziska Horn , Leila Arras , Grégoire Montavon , Klaus-Robert Müller , Wojciech Samek