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Keyphrase extraction is the task of automatically selecting a small set of phrases that best describe a given free text document. Supervised keyphrase extraction requires large amounts of labeled training data and generalizes very poorly…

计算与语言 · 计算机科学 2018-09-07 Kamil Bennani-Smires , Claudiu Musat , Andreea Hossmann , Michael Baeriswyl , Martin Jaggi

We present a supervised learning approach for automatic extraction of keyphrases from single documents. Our solution uses simple to compute statistical and positional features of candidate phrases and does not rely on any external knowledge…

信息检索 · 计算机科学 2024-04-12 Sriraghavendra Ramaswamy

Keyphrase extraction aims at automatically extracting a list of "important" phrases representing the key concepts in a document. Prior approaches for unsupervised keyphrase extraction resorted to heuristic notions of phrase importance via…

计算与语言 · 计算机科学 2023-02-20 Rishabh Joshi , Vidhisha Balachandran , Emily Saldanha , Maria Glenski , Svitlana Volkova , Yulia Tsvetkov

Keyphrases efficiently summarize a document's content and are used in various document processing and retrieval tasks. Several unsupervised techniques and classifiers exist for extracting keyphrases from text documents. Most of these…

计算与语言 · 计算机科学 2016-08-04 Sujatha Das Gollapalli , Xiao-li Li

Keyword extraction is a fundamental task in natural language processing that facilitates mapping of documents to a concise set of representative single and multi-word phrases. Keywords from text documents are primarily extracted using…

计算与语言 · 计算机科学 2018-07-17 Debanjan Mahata , John Kuriakose , Rajiv Ratn Shah , Roger Zimmermann , John R. Talburt

Keyphrase extraction is a textual information processing task concerned with the automatic extraction of representative and characteristic phrases from a document that express all the key aspects of its content. Keyphrases constitute a…

计算与语言 · 计算机科学 2019-07-31 Eirini Papagiannopoulou , Grigorios Tsoumakas

The keyphrase extraction task refers to the automatic selection of phrases from a given document to summarize its core content. State-of-the-art (SOTA) performance has recently been achieved by embedding-based algorithms, which rank…

信息检索 · 计算机科学 2023-05-16 Aobo Kong , Shiwan Zhao , Hao Chen , Qicheng Li , Yong Qin , Ruiqi Sun , Xiaoyan Bai

We propose a novel unsupervised keyphrase extraction approach that filters candidate keywords using outlier detection. It starts by training word embeddings on the target document to capture semantic regularities among the words. It then…

计算与语言 · 计算机科学 2020-07-14 Eirini Papagiannopoulou , Grigorios Tsoumakas

This paper proposes Attention-Seeker, an unsupervised keyphrase extraction method that leverages self-attention maps from a Large Language Model to estimate the importance of candidate phrases. Our approach identifies specific components -…

计算与语言 · 计算机科学 2024-12-17 Erwin D. López Z. , Cheng Tang , Atsushi Shimada

Keyphrases are capable of providing semantic metadata characterizing documents and producing an overview of the content of a document. Since keyphrase extraction is able to facilitate the management, categorization, and retrieval of…

计算与语言 · 计算机科学 2020-02-14 Funan Mu , Zhenting Yu , LiFeng Wang , Yequan Wang , Qingyu Yin , Yibo Sun , Liqun Liu , Teng Ma , Jing Tang , Xing Zhou

Automatic Keyphrase Extraction involves identifying essential phrases in a document. These keyphrases are crucial in various tasks such as document classification, clustering, recommendation, indexing, searching, summarization, and text…

计算与语言 · 计算机科学 2023-10-16 Abdelrhman Eldallal , Eduard Barbu

Keyphrases provide a simple way of describing a document, giving the reader some clues about its contents. Keyphrases can be useful in a various applications such as retrieval engines, browsing interfaces, thesaurus construction, text…

信息检索 · 计算机科学 2010-04-20 Kamal Sarkar , Mita Nasipuri , Suranjan Ghose

Keyphrases are useful for a variety of purposes, including summarizing, indexing, labeling, categorizing, clustering, highlighting, browsing, and searching. The task of automatic keyphrase extraction is to select keyphrases from within the…

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

Keyphrases are crucial for searching and systematizing scholarly documents. Most current methods for keyphrase extraction are aimed at the extraction of the most significant words in the text. But in practice, the list of keyphrases often…

计算与语言 · 计算机科学 2024-10-23 Anna Glazkova , Dmitry Morozov

In supervised approaches for keyphrase extraction, a candidate phrase is encoded with a set of hand-crafted features and machine learning algorithms are trained to discriminate keyphrases from non-keyphrases. Although the manually-designed…

计算与语言 · 计算机科学 2018-01-08 Corina Florescu , Wei Jin

Keyword and keyphrase extraction is an important problem in natural language processing, with applications ranging from summarization to semantic search to document clustering. Graph-based approaches to keyword and keyphrase extraction…

计算与语言 · 计算机科学 2014-01-28 Shibamouli Lahiri , Sagnik Ray Choudhury , Cornelia Caragea

We propose an unsupervised method to extract keywords and keyphrases from texts based on a pre-trained language model (LM) and Shannon's information maximization. Specifically, our method extracts phrases having the highest conditional…

计算与语言 · 计算机科学 2023-08-31 Alexander Tsvetkov , Alon Kipnis

Keyphrase extraction from a given document is the task of automatically extracting salient phrases that best describe the document. This paper proposes a novel unsupervised graph-based ranking method to extract high-quality phrases from a…

信息检索 · 计算机科学 2022-01-27 Venktesh V , Mukesh Mohania , Vikram Goyal

We study the problem of generating keyphrases that summarize the key points for a given document. While sequence-to-sequence (seq2seq) models have achieved remarkable performance on this task (Meng et al., 2017), model training often relies…

计算与语言 · 计算机科学 2019-09-09 Hai Ye , Lu Wang

Keyphrase extraction (KPE) automatically extracts phrases in a document that provide a concise summary of the core content, which benefits downstream information retrieval and NLP tasks. Previous state-of-the-art (SOTA) methods select…

计算与语言 · 计算机科学 2023-03-01 Linhan Zhang , Qian Chen , Wen Wang , Chong Deng , Shiliang Zhang , Bing Li , Wei Wang , Xin Cao
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