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Related papers: W-RST: Towards a Weighted RST-style Discourse Fram…

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In this article, we explore the potential of using sentence-level discourse structure for machine translation evaluation. We first design discourse-aware similarity measures, which use all-subtree kernels to compare discourse parse trees in…

Computation and Language · Computer Science 2017-10-05 Shafiq Joty , Francisco Guzmán , Lluís Màrquez , Preslav Nakov

RST-style discourse parsing plays a vital role in many NLP tasks, revealing the underlying semantic/pragmatic structure of potentially complex and diverse documents. Despite its importance, one of the most prevailing limitations in modern…

Computation and Language · Computer Science 2021-12-14 Patrick Huber , Linzi Xing , Giuseppe Carenini

Discourse structure is integral to understanding a text and is helpful in many NLP tasks. Learning latent representations of discourse is an attractive alternative to acquiring expensive labeled discourse data. Liu and Lapata (2018) propose…

Computation and Language · Computer Science 2019-06-11 Elisa Ferracane , Greg Durrett , Junyi Jessy Li , Katrin Erk

RST-based discourse parsing is an important NLP task with numerous downstream applications, such as summarization, machine translation and opinion mining. In this paper, we demonstrate a simple, yet highly accurate discourse parser,…

Computation and Language · Computer Science 2020-11-09 Grigorii Guz , Patrick Huber , Giuseppe Carenini

In this article we present Enhanced Rhetorical Structure Theory (eRST), a new theoretical framework for computational discourse analysis, based on an expansion of Rhetorical Structure Theory (RST). The framework encompasses discourse…

Computation and Language · Computer Science 2024-08-29 Amir Zeldes , Tatsuya Aoyama , Yang Janet Liu , Siyao Peng , Debopam Das , Luke Gessler

Discourse structure is the hidden link between surface features and document-level properties, such as sentiment polarity. We show that the discourse analyses produced by Rhetorical Structure Theory (RST) parsers can improve document-level…

Computation and Language · Computer Science 2015-09-14 Parminder Bhatia , Yangfeng Ji , Jacob Eisenstein

This paper evaluates the utility of Rhetorical Structure Theory (RST) trees and relations in discourse coherence evaluation. We show that incorporating silver-standard RST features can increase accuracy when classifying coherence. We…

Computation and Language · Computer Science 2020-10-01 Grigorii Guz , Peyman Bateni , Darius Muglich , Giuseppe Carenini

Text discourse parsing weighs importantly in understanding information flow and argumentative structure in natural language, making it beneficial for downstream tasks. While previous work significantly improves the performance of RST…

Computation and Language · Computer Science 2021-10-12 Zhengyuan Liu , Ke Shi , Nancy F. Chen

We introduce a novel top-down end-to-end formulation of document-level discourse parsing in the Rhetorical Structure Theory (RST) framework. In this formulation, we consider discourse parsing as a sequence of splitting decisions at token…

Computation and Language · Computer Science 2021-05-25 Thanh-Tung Nguyen , Xuan-Phi Nguyen , Shafiq Joty , Xiaoli Li

Text discourse parsing plays an important role in understanding information flow and argumentative structure in natural language. Previous research under the Rhetorical Structure Theory (RST) has mostly focused on inducing and evaluating…

Computation and Language · Computer Science 2020-12-04 Zhengyuan Liu , Ke Shi , Nancy F. Chen

For long document summarization, discourse structure is important to discern the key content of the text and the differences in importance level between sentences. Unfortunately, the integration of rhetorical structure theory (RST) into…

Computation and Language · Computer Science 2024-12-11 Dongqi Liu , Vera Demberg

Document-level discourse parsing, in accordance with the Rhetorical Structure Theory (RST), remains notoriously challenging. Challenges include the deep structure of document-level discourse trees, the requirement of subtle semantic…

Computation and Language · Computer Science 2020-12-22 Ke Shi , Zhengyuan Liu , Nancy F. Chen

We introduce a framework for automatic differentiation with weighted finite-state transducers (WFSTs) allowing them to be used dynamically at training time. Through the separation of graphs from operations on graphs, this framework enables…

Machine Learning · Computer Science 2020-10-05 Awni Hannun , Vineel Pratap , Jacob Kahn , Wei-Ning Hsu

Many NLP tasks require to automatically identify the most significant words in a text. In this work, we derive word significance from models trained to solve semantic task: Natural Language Inference and Paraphrase Identification. Using an…

Computation and Language · Computer Science 2023-06-01 Dávid Javorský , Ondřej Bojar , François Yvon

Most of the information is stored as text, so text mining is regarded as having high commercial potential. Aiming at the semantic constraint problem of classification methods based on sparse representation, we propose a weighted recurrent…

Information Retrieval · Computer Science 2019-10-01 Dan Wang , Jibing Gong , Yaxi Song

Discourse information, as postulated by popular discourse theories, such as RST and PDTB, has been shown to improve an increasing number of downstream NLP tasks, showing positive effects and synergies of discourse with important real-world…

Computation and Language · Computer Science 2020-12-18 Patrick Huber , Giuseppe Carenini

We show that discourse structure, as defined by Rhetorical Structure Theory and provided by an existing discourse parser, benefits text categorization. Our approach uses a recursive neural network and a newly proposed attention mechanism to…

Computation and Language · Computer Science 2017-05-09 Yangfeng Ji , Noah Smith

The lack of large and diverse discourse treebanks hinders the application of data-driven approaches, such as deep-learning, to RST-style discourse parsing. In this work, we present a novel scalable methodology to automatically generate…

Computation and Language · Computer Science 2020-11-06 Patrick Huber , Giuseppe Carenini

In recent years, There has been a variety of research on discourse parsing, particularly RST discourse parsing. Most of the recent work on RST parsing has focused on implementing new types of features or learning algorithms in order to…

Computation and Language · Computer Science 2015-05-12 Michael Heilman , Kenji Sagae

For text summarization, the role of discourse structure is pivotal in discerning the core content of a text. Regrettably, prior studies on incorporating Rhetorical Structure Theory (RST) into transformer-based summarization models only…

Computation and Language · Computer Science 2024-12-11 Dongqi Liu , Yifan Wang , Vera Demberg
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