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Sentiment analysis (SA) is an emerging field in text mining. It is the process of computationally identifying and categorizing opinions expressed in a piece of text over different social media platforms. Social media plays an essential role…

人工智能 · 计算机科学 2023-11-21 Sudhanshu Kumar , Partha Pratim Roy , Debi Prosad Dogra , Byung-Gyu Kim

Today, data is growing at a tremendous rate and, according to the International Data Corporation, it is expected to reach 175 zettabytes by 2025. The International Data Corporation also forecasts that more than 150B devices will be…

数据库 · 计算机科学 2021-07-09 Valentina Janev

Term weighting metrics assign weights to terms in order to discriminate the important terms from the less crucial ones. Due to this characteristic, these metrics have attracted growing attention in text classification and recently in…

计算与语言 · 计算机科学 2016-10-12 Hussam Hamdan , Patrice Bellot , Frederic Bechet

The discovery of influential entities in all kinds of networks (e.g. social, digital, or computer) has always been an important field of study. In recent years, Online Social Networks (OSNs) have been established as a basic means of…

信息检索 · 计算机科学 2018-10-05 Gerasimos Razis , Ioannis Anagnostopoulos , Sherali Zeadally

Detecting lexical semantic change in smaller data sets, e.g. in historical linguistics and digital humanities, is challenging due to a lack of statistical power. This issue is exacerbated by non-contextual embedding models that produce one…

计算与语言 · 计算机科学 2022-02-23 Yang Liu , Alan Medlar , Dorota Glowacka

Semantic Change Detection (SCD) of words is an important task for various NLP applications that must make time-sensitive predictions. Some words are used over time in novel ways to express new meanings, and these new meanings establish…

计算与语言 · 计算机科学 2023-10-17 Xiaohang Tang , Yi Zhou , Taichi Aida , Procheta Sen , Danushka Bollegala

The use of Large Language Models (LLMs) for reliable, enterprise-grade analytics such as text categorization is often hindered by the stochastic nature of attention mechanisms and sensitivity to noise that compromise their analytical…

计算与语言 · 计算机科学 2026-04-15 Shreeya Verma Kathuria , Nitin Mayande , Sharookh Daruwalla , Nitin Joglekar , Charles Weber

Most of the web user's requirements are search or navigation time and getting correctly matched result. These constrains can be satisfied with some additional modules attached to the existing search engines and web servers. This paper…

人工智能 · 计算机科学 2010-04-13 T. Krishna Kishore , T. Sasi Vardhan , N. Lakshmi Narayana

Today's deep learning systems deliver high performance based on end-to-end training. While they deliver strong performance, these systems are hard to interpret. To address this issue, we propose Semantic Bottleneck Networks (SBN): deep…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Max Losch , Mario Fritz , Bernt Schiele

Copying mechanism has been commonly used in neural paraphrasing networks and other text generation tasks, in which some important words in the input sequence are preserved in the output sequence. Similarly, in machine translation, we notice…

计算与语言 · 计算机科学 2020-10-23 Jin Xu , Yinuo Guo , Junfeng Hu

We propose a novel method for evaluating the performance of a content search system that measures the semantic match between a query and the results returned by the search system. We introduce a metric called "on-topic rate" to measure the…

信息检索 · 计算机科学 2024-10-30 Chujie Zheng , Jeffrey Wang , Shuqian Albee Zhang , Anand Kishore , Siddharth Singh

Semantic Segmentation (SS) is a task to assign semantic label to each pixel of the images, which is of immense significance for autonomous vehicles, robotics and assisted navigation of vulnerable road users. It is obvious that in different…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Kaite Xiang , Kaiwei Wang , Kailun Yang

We propose a new computational approach for tracking and detecting statistically significant linguistic shifts in the meaning and usage of words. Such linguistic shifts are especially prevalent on the Internet, where the rapid exchange of…

计算与语言 · 计算机科学 2014-11-13 Vivek Kulkarni , Rami Al-Rfou , Bryan Perozzi , Steven Skiena

Semantic segmentation is critical for scene understanding but demands costly pixel-wise annotations, attracting increasing attention to semi-supervised approaches to leverage abundant unlabeled data. While semi-supervised segmentation is…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Steven Landgraf , Markus Hillemann , Markus Ulrich

Semantic communication, as a novel communication paradigm, has attracted the interest of many scholars, with multi-user, multi-input multi-output (MIMO) scenarios being one of the critical contexts. This paper presents a semantic…

信息论 · 计算机科学 2023-12-27 Haotai Liang , Zhicheng Bao , Wannian An , Chen Dong , Xiaodong Xu

Medical decision-making makes frequent use of algorithms that combine risk equations with rules, providing clear and standardized treatment pathways. Symbolic regression (SR) traditionally limits its search space to continuous function…

Verbs play a critical role in the meaning of sentences, but these ubiquitous words have received little attention in recent distributional semantics research. We introduce SimVerb-3500, an evaluation resource that provides human ratings for…

计算与语言 · 计算机科学 2016-09-21 Daniela Gerz , Ivan Vulić , Felix Hill , Roi Reichart , Anna Korhonen

Meaning can be generated when information is related at a systemic level. Such a system can be an observer, but also a discourse, for example, operationalized as a set of documents. The measurement of semantics as similarity in patterns…

计算与语言 · 计算机科学 2011-02-01 Loet Leydesdorff , Kasper Welbers

The evaluative character of a word is called its semantic orientation. Positive semantic orientation indicates praise (e.g., "honest", "intrepid") and negative semantic orientation indicates criticism (e.g., "disturbing", "superfluous").…

计算与语言 · 计算机科学 2007-05-23 Peter D. Turney , Michael L. Littman

Blogs-Online digital diary like application on web 2.0 has opened new and easy way to voice opinion, thoughts, and like-dislike of every Internet user to the World. Blogosphere has no doubt the largest user-generated content repository full…

人工智能 · 计算机科学 2012-01-11 Mehwish Aziz , Muhammad Rafi