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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…

Computation and Language · Computer Science 2016-08-04 Sujatha Das Gollapalli , Xiao-li Li

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…

Computation and Language · Computer Science 2019-07-31 Eirini Papagiannopoulou , Grigorios Tsoumakas

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…

Computation and Language · Computer Science 2018-09-07 Kamil Bennani-Smires , Claudiu Musat , Andreea Hossmann , Michael Baeriswyl , Martin Jaggi

Keyphrase extraction is a fundamental task in Natural Language Processing, which usually contains two main parts: candidate keyphrase extraction and keyphrase importance estimation. From the view of human understanding documents, we…

Computation and Language · Computer Science 2023-12-22 Mingyang Song , Liping Jing , Lin Xiao

Keyphrase generation aims to summarize long documents with a collection of salient phrases. Deep neural models have demonstrated a remarkable success in this task, capable of predicting keyphrases that are even absent from a document.…

Computation and Language · Computer Science 2021-04-20 Xianjie Shen , Yinghan Wang , Rui Meng , Jingbo Shang

Automated methods for granular categorization of large corpora of text documents have become increasingly more important with the rate scientific, news, medical, and web documents are growing in the last few years. Automatic keyphrase…

Information Retrieval · Computer Science 2020-05-21 Javad Rafiei Asl , Juan M. Banda

Keyphrase extraction is the task of extracting a small set of phrases that best describe a document. Most existing benchmark datasets for the task typically have limited numbers of annotated documents, making it challenging to train…

Computation and Language · Computer Science 2020-10-26 Tuan Manh Lai , Trung Bui , Doo Soon Kim , Quan Hung Tran

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…

Computation and Language · Computer Science 2018-01-08 Corina Florescu , Wei Jin

Generative retrieval constitutes an innovative approach in information retrieval, leveraging generative language models (LM) to generate a ranked list of document identifiers (docid) for a given query. It simplifies the retrieval pipeline…

Information Retrieval · Computer Science 2025-02-13 Penghao Lu , Xin Dong , Yuansheng Zhou , Lei Cheng , Chuan Yuan , Linjian Mo

In this paper, we study automatic keyphrase generation. Although conventional approaches to this task show promising results, they neglect correlation among keyphrases, resulting in duplication and coverage issues. To solve these problems,…

Computation and Language · Computer Science 2018-08-23 Jun Chen , Xiaoming Zhang , Yu Wu , Zhao Yan , Zhoujun Li

Contrastive learning -- a modern approach to extract useful representations from unlabeled data by training models to distinguish similar samples from dissimilar ones -- has driven significant progress in foundation models. In this work, we…

Machine Learning · Statistics 2025-10-15 Licong Lin , Song Mei

The recommendation system plays a vital role in many areas, especially academic fields, to support researchers in submitting and increasing the acceptance of their work through the conference or journal selection process. This study…

Information Retrieval · Computer Science 2022-05-13 Duc H. Le , Tram T. Doan , Son T. Huynh , Binh T. Nguyen

Knowledge graph embedding (KGE) aims at learning powerful representations to benefit various artificial intelligence applications. Meanwhile, contrastive learning has been widely leveraged in graph learning as an effective mechanism to…

Artificial Intelligence · Computer Science 2023-06-14 Ke Liang , Yue Liu , Sihang Zhou , Wenxuan Tu , Yi Wen , Xihong Yang , Xiangjun Dong , Xinwang Liu

Retrieval-enhanced text generation has shown remarkable progress on knowledge-intensive language tasks, such as open-domain question answering and knowledge-enhanced dialogue generation, by leveraging passages retrieved from a large passage…

Computation and Language · Computer Science 2023-08-16 Jiaqi Bai , Hongcheng Guo , Jiaheng Liu , Jian Yang , Xinnian Liang , Zhao Yan , Zhoujun Li

Embedding based methods are widely used for unsupervised keyphrase extraction (UKE) tasks. Generally, these methods simply calculate similarities between phrase embeddings and document embedding, which is insufficient to capture different…

Computation and Language · Computer Science 2021-09-16 Xinnian Liang , Shuangzhi Wu , Mu Li , Zhoujun Li

We propose a two-stage neural model to tackle question generation from documents. First, our model estimates the probability that word sequences in a document are ones that a human would pick when selecting candidate answers by training a…

Computation and Language · Computer Science 2018-05-31 Sandeep Subramanian , Tong Wang , Xingdi Yuan , Saizheng Zhang , Yoshua Bengio , Adam Trischler

Short text classification has gained significant attention in the information age due to its prevalence and real-world applications. Recent advancements in graph learning combined with contrastive learning have shown promising results in…

Computation and Language · Computer Science 2025-01-17 Yonghao Liu , Fausto Giunchiglia , Lan Huang , Ximing Li , Xiaoyue Feng , Renchu Guan

Keyword Extraction is an important task in several text analysis endeavors. In this paper, we present a critical discussion of the issues and challenges ingraph-based keyword extraction methods, along with comprehensive empirical analysis.…

Information Retrieval · Computer Science 2018-11-28 Swagata Duari , Vasudha Bhatnagar

It has always been an important yet challenging problem to control language models to avoid generating texts with undesirable attributes, such as toxic language and unnatural repetition. We introduce Click for controllable text generation,…

Computation and Language · Computer Science 2023-06-07 Chujie Zheng , Pei Ke , Zheng Zhang , Minlie Huang

Keyphrase extraction is the process of automatically selecting a small set of most relevant phrases from a given text. Supervised keyphrase extraction approaches need large amounts of labeled training data and perform poorly outside the…

Computation and Language · Computer Science 2023-01-03 Tim Schopf , Simon Klimek , Florian Matthes