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Keyword extraction is used for summarizing the content of a document and supports efficient document retrieval, and is as such an indispensable part of modern text-based systems. We explore how load centrality, a graph-theoretic measure…

Computation and Language · Computer Science 2019-11-12 Blaž Škrlj , Andraž Repar , Senja Pollak

Prior work in document summarization has mainly focused on generating short summaries of a document. While this type of summary helps get a high-level view of a given document, it is desirable in some cases to know more detailed information…

Computation and Language · Computer Science 2020-12-29 Sajad Sotudeh , Arman Cohan , Nazli Goharian

Copy mechanism allows sequence-to-sequence models to choose words from the input and put them directly into the output, which is finding increasing use in abstractive summarization. However, since there is no explicit delimiter in Chinese…

Computation and Language · Computer Science 2021-12-22 Boyan Wan , Mishal Sohail

This study investigates the use of unsupervised word embeddings and sequence features for sample representation in an active learning framework built to extract clinical concepts from clinical free text. The objective is to further reduce…

Computation and Language · Computer Science 2016-11-16 Mahnoosh Kholghi , Lance De Vine , Laurianne Sitbon , Guido Zuccon , Anthony Nguyen

This paper presents an unsupervised extractive approach to summarize scientific long documents based on the Information Bottleneck principle. Inspired by previous work which uses the Information Bottleneck principle for sentence…

Computation and Language · Computer Science 2021-10-05 Jiaxin Ju , Ming Liu , Huan Yee Koh , Yuan Jin , Lan Du , Shirui Pan

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

Graph representation learning plays an important role in many graph mining applications, but learning embeddings of large-scale graphs remains a problem. Recent works try to improve scalability via graph summarization -- i.e., they learn…

Machine Learning · Computer Science 2022-07-05 Houquan Zhou , Shenghua Liu , Danai Koutra , Huawei Shen , Xueqi Cheng

Recent neural network approaches to summarization are largely either selection-based extraction or generation-based abstraction. In this work, we present a neural model for single-document summarization based on joint extraction and…

Computation and Language · Computer Science 2019-09-11 Jiacheng Xu , Greg Durrett

Previous abstractive methods apply sequence-to-sequence structures to generate summary without a module to assist the system to detect vital mentions and relationships within a document. To address this problem, we utilize semantic graph to…

Computation and Language · Computer Science 2021-09-14 Qiwei Bi , Haoyuan Li , Kun Lu , Hanfang Yang

Traditional methods of summarization are not cost-effective and possible today. Extractive summarization is a process that helps to extract the most important sentences from a text automatically and generates a short informative summary. In…

Computation and Language · Computer Science 2018-09-05 Mohammad Ebrahim Khademi , Mohammad Fakhredanesh , Seyed Mojtaba Hoseini

Intent classification has been widely researched on English data with deep learning approaches that are based on neural networks and word embeddings. The challenge for Chinese intent classification stems from the fact that, unlike English…

Computation and Language · Computer Science 2018-05-24 Ruixi Lin , Charles Costello , Charles Jankowski

In this work, we propose to study the utility of different meta-graphs, as well as how to simultaneously leverage multiple meta-graphs for HIN embedding in an unsupervised manner. Motivated by prolific research on homogeneous networks,…

Machine Learning · Computer Science 2019-10-02 Carl Yang , Yichen Feng , Pan Li , Yu Shi , Jiawei Han

We suggest a new idea of Editorial Network - a mixed extractive-abstractive summarization approach, which is applied as a post-processing step over a given sequence of extracted sentences. Our network tries to imitate the decision process…

Computation and Language · Computer Science 2019-02-28 Edward Moroshko , Guy Feigenblat , Haggai Roitman , David Konopnicki

Motivated by the computational and storage challenges that dense embeddings pose, we introduce the problem of latent network summarization that aims to learn a compact, latent representation of the graph structure with dimensionality that…

Social and Information Networks · Computer Science 2019-06-24 Di Jin , Ryan Rossi , Danai Koutra , Eunyee Koh , Sungchul Kim , Anup Rao

Chinese word segmentation and dependency parsing are two fundamental tasks for Chinese natural language processing. The dependency parsing is defined on word-level. Therefore word segmentation is the precondition of dependency parsing,…

Computation and Language · Computer Science 2019-12-19 Hang Yan , Xipeng Qiu , Xuanjing Huang

Dynamic graph representation learning is a task to learn node embeddings over dynamic networks, and has many important applications, including knowledge graphs, citation networks to social networks. Graphs of this type are usually…

Social and Information Networks · Computer Science 2021-06-04 Xingzhi Guo , Baojian Zhou , Steven Skiena

Hierarchical neural architectures are often used to capture long-distance dependencies and have been applied to many document-level tasks such as summarization, document segmentation, and sentiment analysis. However, effective usage of such…

Computation and Language · Computer Science 2019-01-29 Ming-Wei Chang , Kristina Toutanova , Kenton Lee , Jacob Devlin

With the continuous growth of large Knowledge Graphs (KGs), extractive KG summarization becomes a trending task. Aiming at distilling a compact subgraph with condensed information, it facilitates various downstream KG-based tasks. In this…

Artificial Intelligence · Computer Science 2024-02-20 Xiaxia Wang , Gong Cheng

Most real-world datasets are inherently heterogeneous graphs, which involve a diversity of node and relation types. Heterogeneous graph embedding is to learn the structure and semantic information from the graph, and then embed it into the…

Artificial Intelligence · Computer Science 2021-03-12 Bang Lin , Xiuchong Wang , Yu Dong , Chengfu Huo , Weijun Ren , Chuanyu Xu

Predicate entailment detection is a crucial task for question-answering from text, where previous work has explored unsupervised learning of entailment graphs from typed open relation triples. In this paper, we present the first pipeline…

Computation and Language · Computer Science 2022-03-15 Tianyi Li , Sabine Weber , Mohammad Javad Hosseini , Liane Guillou , Mark Steedman