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Related papers: Enhancing AMR-to-Text Generation with Dual Graph R…

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Graph translation is very promising research direction and has a wide range of potential real-world applications. Graph is a natural structure for representing relationship and interactions, and its translation can encode the intrinsic…

Machine Learning · Computer Science 2021-03-17 Tianxiang Zhao , Xianfeng Tang , Xiang Zhang , Suhang Wang

AMR-to-text generation is used to transduce Abstract Meaning Representation structures (AMR) into text. A key challenge in this task is to efficiently learn effective graph representations. Previously, Graph Convolution Networks (GCNs) were…

Computation and Language · Computer Science 2020-10-12 Yan Zhang , Zhijiang Guo , Zhiyang Teng , Wei Lu , Shay B. Cohen , Zuozhu Liu , Lidong Bing

We present Graformer, a novel Transformer-based encoder-decoder architecture for graph-to-text generation. With our novel graph self-attention, the encoding of a node relies on all nodes in the input graph - not only direct neighbors -…

Computation and Language · Computer Science 2021-04-28 Martin Schmitt , Leonardo F. R. Ribeiro , Philipp Dufter , Iryna Gurevych , Hinrich Schütze

We present algorithms for aligning components of Abstract Meaning Representation (AMR) graphs to spans in English sentences. We leverage unsupervised learning in combination with heuristics, taking the best of both worlds from previous AMR…

Computation and Language · Computer Science 2021-06-14 Austin Blodgett , Nathan Schneider

This study aims to optimize the existing retrieval-augmented generation model (RAG) by introducing a graph structure to improve the performance of the model in dealing with complex knowledge reasoning tasks. The traditional RAG model has…

Information Retrieval · Computer Science 2024-11-07 Yuxin Dong , Shuo Wang , Hongye Zheng , Jiajing Chen , Zhenhong Zhang , Chihang Wang

This paper proposes a neural semantic parsing approach -- Sequence-to-Action, which models semantic parsing as an end-to-end semantic graph generation process. Our method simultaneously leverages the advantages from two recent promising…

Computation and Language · Computer Science 2018-09-05 Bo Chen , Le Sun , Xianpei Han

Text generation from Abstract Meaning Representation (AMR) has substantially benefited from the popularized Pretrained Language Models (PLMs). Myriad approaches have linearized the input graph as a sequence of tokens to fit the PLM…

Computation and Language · Computer Science 2023-02-14 Sebastien Montella , Alexis Nasr , Johannes Heinecke , Frederic Bechet , Lina M. Rojas-Barahona

Parsing sentences to linguistically-expressive semantic representations is a key goal of Natural Language Processing. Yet statistical parsing has focused almost exclusively on bilexical dependencies or domain-specific logical forms. We…

Computation and Language · Computer Science 2017-07-28 Jan Buys , Phil Blunsom

Graph representation learning has become a hot research topic due to its powerful nonlinear fitting capability in extracting representative node embeddings. However, for sequential data such as speech signals, most traditional methods…

Sound · Computer Science 2024-05-08 Yingxue Gao , Huan Zhao , Zixing Zhang

This paper studies asynchronous message passing (AMP), a new paradigm for applying neural network based learning to graphs. Existing graph neural networks use the synchronous distributed computing model and aggregate their neighbors in each…

Machine Learning · Computer Science 2022-05-25 Lukas Faber , Roger Wattenhofer

Despite extensive research on parsing of English sentences into Abstraction Meaning Representation (AMR) graphs, which are compared to gold graphs via the Smatch metric, full-document parsing into a unified graph representation lacks…

Generating text from structured inputs, such as meaning representations or RDF triples, has often involved the use of specialized graph-encoding neural networks. However, recent applications of pretrained transformers to linearizations of…

Computation and Language · Computer Science 2021-01-01 Alexander Hoyle , Ana Marasović , Noah Smith

Graph Retrieval-Augmented Generation (GRAG or Graph RAG) architectures aim to enhance language understanding and generation by leveraging external knowledge. However, effectively capturing and integrating the rich semantic information…

Computation and Language · Computer Science 2025-01-29 Karishma Thakrar

Graph encoders in AMR-to-text generation models often rely on neighborhood convolutions or global vertex attention. While these approaches apply to general graphs, AMRs may be amenable to encoders that target their tree-like structure. By…

Computation and Language · Computer Science 2021-09-03 Lisa Jin , Daniel Gildea

Generating an abstract from a collection of documents is a desirable capability for many real-world applications. However, abstractive approaches to multi-document summarization have not been thoroughly investigated. This paper studies the…

Computation and Language · Computer Science 2018-06-15 Kexin Liao , Logan Lebanoff , Fei Liu

Neural machine translation (NMT) usually works in a seq2seq learning way by viewing either source or target sentence as a linear sequence of words, which can be regarded as a special case of graph, taking words in the sequence as nodes and…

Computation and Language · Computer Science 2020-09-17 Sufeng Duan , Hai Zhao , Rui Wang

Program source code contains complex structure information, which can be represented in structured data forms like trees or graphs. To acquire the structural information in source code, most existing researches use abstract syntax trees…

Software Engineering · Computer Science 2022-04-13 Kechi Zhang , Wenhan Wang , Huangzhao Zhang , Ge Li , Zhi Jin

A bare meaning representation can be expressed in various ways using natural language, depending on how the information is structured on the surface level. We are interested in finding ways to control topic-focus articulation when…

Computation and Language · Computer Science 2023-10-04 Chunliu Wang , Rik van Noord , Johan Bos

Considering a collection of RDF triples, the RDF-to-text generation task aims to generate a text description. Most previous methods solve this task using a sequence-to-sequence model or using a graph-based model to encode RDF triples and to…

Computation and Language · Computer Science 2022-03-24 Hanning Gao , Lingfei Wu , Hongyun Zhang , Zhihua Wei , Po Hu , Fangli Xu , Bo Long

With an ever increasing size of text present on the Internet, automatic summary generation remains an important problem for natural language understanding. In this work we explore a novel full-fledged pipeline for text summarization with an…

Computation and Language · Computer Science 2017-07-19 Shibhansh Dohare , Harish Karnick , Vivek Gupta