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Related papers: Topical Keyphrase Extraction with Hierarchical Sem…

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The impressive performance of neural networks on natural language processing tasks attributes to their ability to model complicated word and phrase compositions. To explain how the model handles semantic compositions, we study hierarchical…

Computation and Language · Computer Science 2020-06-16 Xisen Jin , Zhongyu Wei , Junyi Du , Xiangyang Xue , Xiang Ren

Automated keyphrase extraction is a fundamental textual information processing task concerned with the selection of representative phrases from a document that summarize its content. This work presents a novel unsupervised method for…

Computation and Language · Computer Science 2018-04-16 Eirini Papagiannopoulou , Grigorios Tsoumakas

Topic taxonomies, which represent the latent topic (or category) structure of document collections, provide valuable knowledge of contents in many applications such as web search and information filtering. Recently, several unsupervised…

Artificial Intelligence · Computer Science 2022-01-21 Dongha Lee , Jiaming Shen , SeongKu Kang , Susik Yoon , Jiawei Han , Hwanjo Yu

Traditional sequence-to-sequence (seq2seq) models and other variations of the attention-mechanism such as hierarchical attention have been applied to the text summarization problem. Though there is a hierarchy in the way humans use language…

Machine Learning · Computer Science 2019-11-04 Rajeev Bhatt Ambati , Saptarashmi Bandyopadhyay , Prasenjit Mitra

Social network has become one of the themes of government issues, mainly dealing with the chaos. The use of web is steadily gaining ground in these issues. However, most of the web documents are unstructured and lack of semantic. In this…

Information Retrieval · Computer Science 2016-01-13 Mahyuddin K. M. Nasution , Shahrul Azman Mohd. Noah , Saidah Saad

Huge volumes of textual information has been produced every single day. In order to organize and understand such large datasets, in recent years, summarization techniques have become popular. These techniques aims at finding relevant,…

Computation and Language · Computer Science 2018-03-26 Jorge V. Tohalino , Diego R. Amancio

Existing methods in relation extraction have leveraged the lexical features in the word sequence and the syntactic features in the parse tree. Though effective, the lexical features extracted from the successive word sequence may introduce…

Computation and Language · Computer Science 2021-07-29 Mi Zhang , Tieyun Qian

Sentence extraction based summarization methods has some limitations as it doesn't go into the semantics of the document. Also, it lacks the capability of sentence generation which is intuitive to humans. Here we present a novel method to…

Computation and Language · Computer Science 2014-06-06 Divyanshu Bhartiya , Ashudeep Singh

This paper explores the possibility to exploit text on the world wide web in order to enrich the concepts in existing ontologies. First, a method to retrieve documents from the WWW related to a concept is described. These document…

Computation and Language · Computer Science 2007-05-23 Eneko Agirre , Olatz Ansa , Eduard Hovy , David Martinez

In this paper we present the approach of introducing thesaurus knowledge into probabilistic topic models. The main idea of the approach is based on the assumption that the frequencies of semantically related words and phrases, which are met…

Computation and Language · Computer Science 2017-08-01 Natalia Loukachevitch , Michael Nokel , Kirill Ivanov

Document Clustering is a branch of a larger area of scientific study known as data mining .which is an unsupervised classification using to find a structure in a collection of unlabeled data. The useful information in the documents can be…

Computation and Language · Computer Science 2014-01-23 Issam Sahmoudi , Hanane Froud , Abdelmonaime Lachkar

Comparative text mining extends from genre analysis and political bias detection to the revelation of cultural and geographic differences, through to the search for prior art across patents and scientific papers. These applications use…

Information Retrieval · Computer Science 2019-11-27 Julian Risch , Ralf Krestel

Topic modeling is a widely used approach for analyzing and exploring large document collections. Recent research efforts have incorporated pre-trained contextualized language models, such as BERT embeddings, into topic modeling. However,…

Computation and Language · Computer Science 2025-02-18 Suman Adhya , Debarshi Kumar Sanyal

Most current extractive summarization models generate summaries by selecting salient sentences. However, one of the problems with sentence-level extractive summarization is that there exists a gap between the human-written gold summary and…

Computation and Language · Computer Science 2020-11-20 Ruifeng Yuan , Zili Wang , Wenjie Li

Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

Statistical topic models efficiently facilitate the exploration of large-scale data sets. Many models have been developed and broadly used to summarize the semantic structure in news, science, social media, and digital humanities. However,…

Machine Learning · Computer Science 2016-12-02 Jian Tang , Cheng Li , Ming Zhang , Qiaozhu Mei

Document retrieval has greatly benefited from the advancements of large-scale pre-trained language models (PLMs). However, their effectiveness is often limited in theme-specific applications for specialized areas or industries, due to…

Information Retrieval · Computer Science 2024-03-08 SeongKu Kang , Shivam Agarwal , Bowen Jin , Dongha Lee , Hwanjo Yu , Jiawei Han

Topic modelling is a pivotal unsupervised machine learning technique for extracting valuable insights from large document collections. Existing neural topic modelling methods often encode contextual information of documents, while ignoring…

Computation and Language · Computer Science 2025-02-07 Yanan Ma , Chenghao Xiao , Chenhan Yuan , Sabine N van der Veer , Lamiece Hassan , Chenghua Lin , Goran Nenadic

Keyphrase extraction from documents is useful to a variety of applications such as information retrieval and document summarization. This paper presents an end-to-end method called DivGraphPointer for extracting a set of diversified…

Computation and Language · Computer Science 2019-05-21 Zhiqing Sun , Jian Tang , Pan Du , Zhi-Hong Deng , Jian-Yun Nie

Keyphrase generation aims at generating important phrases (keyphrases) that best describe a given document. In scholarly domains, current approaches have largely used only the title and abstract of the articles to generate keyphrases. In…

Computation and Language · Computer Science 2022-10-24 Krishna Garg , Jishnu Ray Chowdhury , Cornelia Caragea