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Many academic journals ask their authors to provide a list of about five to fifteen keywords, to appear on the first page of each article. Since these key words are often phrases of two or more words, we prefer to call them keyphrases.…

机器学习 · 计算机科学 2007-05-23 Peter D. Turney

Cross-lingual Text Classification (CLC) consists of automatically classifying, according to a common set C of classes, documents each written in one of a set of languages L, and doing so more accurately than when naively classifying each…

机器学习 · 计算机科学 2021-09-22 Andrea Esuli , Alejandro Moreo , Fabrizio Sebastiani

A topic model is often formulated as a generative model that explains how each word of a document is generated given a set of topics and document-specific topic proportions. It is focused on capturing the word co-occurrences in a document…

机器学习 · 计算机科学 2022-03-16 Dongsheng Wang , Dandan Guo , He Zhao , Huangjie Zheng , Korawat Tanwisuth , Bo Chen , Mingyuan Zhou

In this research, we use user defined labels from three internet text sources (Reddit, Stackexchange, Arxiv) to train 21 different machine learning models for the topic classification task of detecting cybersecurity discussions in natural…

信息检索 · 计算机科学 2024-02-28 Elijah Pelofske , Lorie M. Liebrock , Vincent Urias

According to the Probability Ranking Principle (PRP), ranking documents in decreasing order of their probability of relevance leads to an optimal document ranking for ad-hoc retrieval. The PRP holds when two conditions are met: [C1] the…

信息检索 · 计算机科学 2021-01-13 Gustavo Penha , Claudia Hauff

A systematic review identifies and collates various clinical studies and compares data elements and results in order to provide an evidence based answer for a particular clinical question. The process is manual and involves lot of time. A…

The amount of electronic documents in the Internet grows very quickly. How to effectively identify subjects for documents becomes an important issue. In past, the researches focus on the behavior of nouns in documents. Although subjects are…

数字图书馆 · 计算机科学 2007-05-23 Kuang-hua Chen

In this paper, a simple text categorization method using term-class relevance measures is proposed. Initially, text documents are processed to extract significant terms present in them. For every term extracted from a document, we compute…

信息检索 · 计算机科学 2016-10-18 D S Guru , Mahamad Suhil

Neural network-based methods represent the state-of-the-art in question generation from text. Existing work focuses on generating only questions from text without concerning itself with answer generation. Moreover, our analysis shows that…

计算与语言 · 计算机科学 2018-03-13 Vishwajeet Kumar , Kireeti Boorla , Yogesh Meena , Ganesh Ramakrishnan , Yuan-Fang Li

Existing topic modeling and text segmentation methodologies generally require large datasets for training, limiting their capabilities when only small collections of text are available. In this work, we reexamine the inter-related problems…

信息检索 · 计算机科学 2021-05-26 Qiong Wu , Adam Hare , Sirui Wang , Yuwei Tu , Zhenming Liu , Christopher G. Brinton , Yanhua Li

Document classification tasks were primarily tackled at word level. Recent research that works with character-level inputs shows several benefits over word-level approaches such as natural incorporation of morphemes and better handling of…

计算与语言 · 计算机科学 2016-02-02 Yijun Xiao , Kyunghyun Cho

Learning to generate fluent natural language from structured data with neural networks has become an common approach for NLG. This problem can be challenging when the form of the structured data varies between examples. This paper presents…

计算与语言 · 计算机科学 2018-10-12 Sebastian Gehrmann , Falcon Z. Dai , Henry Elder , Alexander M. Rush

Deliberation networks are a family of sequence-to-sequence models, which have achieved state-of-the-art performance in a wide range of tasks such as machine translation and speech synthesis. A deliberation network consists of multiple…

计算与语言 · 计算机科学 2022-11-08 Qingyun Dou , Mark Gales

Text classification has long been a staple within Natural Language Processing (NLP) with applications spanning across diverse areas such as sentiment analysis, recommender systems and spam detection. With such a powerful solution, it is…

计算与语言 · 计算机科学 2021-12-06 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

Progressive filtering is a simple way to perform hierarchical classification, inspired by the behavior that most humans put into practice while attempting to categorize an item according to an underlying taxonomy. Each node of the taxonomy…

人工智能 · 计算机科学 2016-11-04 Giuliano Armano

Convolutional neural networks for computer vision are fairly intuitive. In a typical CNN used in image classification, the first layers learn edges, and the following layers learn some filters that can identify an object. But CNNs for…

计算与语言 · 计算机科学 2018-04-04 Prudhvi Raj Dachapally , Srikanth Ramanam

Both neural networks and decision trees are popular machine learning methods and are widely used to solve problems from diverse domains. These two classifiers are commonly used base classifiers in an ensemble framework. In this paper, we…

机器学习 · 计算机科学 2018-02-06 Rakesh Katuwal , P. N. Suganthan

The classification of legal documents from an unstructured data corpus has several crucial applications in downstream tasks. Documents relevant to court filings are key in use cases such as drafting motions, memos, and outlines, as well as…

计算与语言 · 计算机科学 2026-04-27 Ishaan Gakhar , Harsh Nandwani

The accuracy of a classifier, when performing Pattern recognition, is mostly tied to the quality and representativeness of the input feature vector. Feature Selection is a process that allows for representing information properly and may…

机器人学 · 计算机科学 2022-09-08 Alysson Ribeiro da Silva , Camila Guedes Silveira

Fake information poses one of the major threats for society in the 21st century. Identifying misinformation has become a key challenge due to the amount of fake news that is published daily. Yet, no approach is established that addresses…

信息检索 · 计算机科学 2021-03-30 Vishwani Gupta , Katharina Beckh , Sven Giesselbach , Dennis Wegener , Tim Wirtz