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While question-like queries are gaining popularity and search engines' users increasingly adopt them, keyphrase search has traditionally been the cornerstone of web search. This query type is also prevalent in specialised search tasks such…

Information Retrieval · Computer Science 2024-12-05 Jorge Gabín , Javier Parapar , Craig Macdonald

The exponential increase in academic papers has significantly increased the time required for researchers to access relevant literature. Keyphrase Extraction (KPE) offers a solution to this situation by enabling researchers to efficiently…

Computation and Language · Computer Science 2025-05-21 Chengzhi Zhang , Xinyi Yan , Lei Zhao , Yingyi Zhang

This paper is concerned with distributed computation of several commonly used centrality measures in complex networks. In particular, we propose deterministic algorithms, which converge in finite time, for the distributed computation of the…

Systems and Control · Computer Science 2016-11-15 Keyou You , Roberto Tempo , Li Qiu

The purpose of the research is to find a centrality measure that can be used in place of PageRank and to find out the conditions where we can use it in place of PageRank. After analysis and comparison of graphs with a large number of nodes…

Social and Information Networks · Computer Science 2022-01-24 Suvarna Saumya Chandrashekhar , Mashrin Srivastava , B. Jaganathan , Pankaj Shukla

We introduce Biased TextRank, a graph-based content extraction method inspired by the popular TextRank algorithm that ranks text spans according to their importance for language processing tasks and according to their relevance to an input…

Computation and Language · Computer Science 2020-11-03 Ashkan Kazemi , Verónica Pérez-Rosas , Rada Mihalcea

Automatic summarization is the process of reducing a text document in order to generate a summary that retains the most important points of the original document. In this work, we study two problems - i) summarizing a text document as set…

Information Retrieval · Computer Science 2024-06-04 Jayaprakash Sundararaj

This paper describes a computationally inexpensive and efficient generic summarization algorithm for Arabic texts. The algorithm belongs to extractive summarization family, which reduces the problem into representative sentences…

Computation and Language · Computer Science 2012-06-26 Tarek El-Shishtawy , Fatma El-Ghannam

The high-level contribution of this paper is the development and implementation of an algorithm to selfextract secondary keywords and their combinations (combo words) based on abstracts collected using standard primary keywords for research…

Information Retrieval · Computer Science 2010-07-15 Natarajan Meghanathan , Nataliya Kostyuk , Raphael Isokpehi , Hari Cohly

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…

Information Retrieval · Computer Science 2023-05-16 Aobo Kong , Shiwan Zhao , Hao Chen , Qicheng Li , Yong Qin , Ruiqi Sun , Xiaoyan Bai

The set of interpersonal relationships on a social network service or a similar online community is usually highly heterogenous. The concept of tie strength captures only one aspect of this heterogeneity. Since the unstructured text content…

Social and Information Networks · Computer Science 2014-02-12 Jan Hauffa , Tobias Lichtenberg , Georg Groh

This paper presents a procedure to retrieve subsets of relevant documents from large text collections for Content Analysis, e.g. in social sciences. Document retrieval for this purpose needs to take account of the fact that analysts often…

Information Retrieval · Computer Science 2017-07-12 Gregor Wiedemann , Andreas Niekler

Topic Modelling is one of the most prevalent text analysis technique used to explore and retrieve collection of documents. The evaluation of the topic model algorithms is still a very challenging tasks due to the absence of gold-standard…

Information Retrieval · Computer Science 2022-03-10 Antonio Penta

Automatic scientific keyphrase extraction is a challenging problem facilitating several downstream scholarly tasks like search, recommendation, and ranking. In this paper, we introduce SEAL, a scholarly tool for automatic keyphrase…

Information Retrieval · Computer Science 2020-06-08 Ayush Garg , Sammed Shantinath Kagi , Mayank Singh

We propose an unsupervised, corpus-independent method to extract keywords from a single text. It is based on the spatial distribution of words and the response of this distribution to a random permutation of words. As compared to existing…

Computation and Language · Computer Science 2024-12-11 Lida Aleksanyan , Armen E. Allahverdyan

Keyphrases which are useful in several NLP and IR applications are either extracted from text or predicted by generative models. Contrarily to keyphrase extraction approaches, keyphrase generation models can predict keyphrases that do not…

Computation and Language · Computer Science 2026-02-16 Maël Houbre , Florian Boudin , Beatrice Daille

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

Now a days, the text document is spontaneously increasing over the internet, e-mail and web pages and they are stored in the electronic database format. To arrange and browse the document it becomes difficult. To overcome such problem the…

Computation and Language · Computer Science 2013-03-05 Leena H. Patil , Mohammed Atique

Clinical notes containing valuable patient information are written by different health care providers with various scientific levels and writing styles. It might be helpful for clinicians and researchers to understand what information is…

Computation and Language · Computer Science 2023-03-17 Hoda Memarzadeh , Nasser Ghadiri , Matthias Samwald , Maryam Lotfi Shahreza

Keyphrase generation refers to the task of producing a set of words or phrases that summarises the content of a document. Continuous efforts have been dedicated to this task over the past few years, spreading across multiple lines of…

Information Retrieval · Computer Science 2025-06-13 Florian Boudin , Akiko Aizawa

In this paper, a supervised learning technique for extracting keyphrases of Arabic documents is presented. The extractor is supplied with linguistic knowledge to enhance its efficiency instead of relying only on statistical information such…

Computation and Language · Computer Science 2012-03-22 Tarek El-shishtawy , Abdulwahab Al-sammak