中文
相关论文

相关论文: Graph-to-Tree Neural Networks for Learning Structu…

200 篇论文

Modern graph neural networks (GNNs) use a message passing scheme and have achieved great success in many fields. However, this recursive design inherently leads to excessive computation and memory requirements, making it not applicable to…

机器学习 · 计算机科学 2022-02-08 Meng Liu , Shuiwang Ji

We propose Text2Math, a model for semantically parsing text into math expressions. The model can be used to solve different math related problems including arithmetic word problems and equation parsing problems. Unlike previous approaches,…

计算与语言 · 计算机科学 2019-10-16 Yanyan Zou , Wei Lu

Graph neural networks have been successful in many learning problems and real-world applications. A recent line of research explores the power of graph neural networks to solve combinatorial and graph algorithmic problems such as subgraph…

机器学习 · 计算机科学 2021-08-20 Reyan Ahmed , Md Asadullah Turja , Faryad Darabi Sahneh , Mithun Ghosh , Keaton Hamm , Stephen Kobourov

We use reinforcement learning to learn tree-structured neural networks for computing representations of natural language sentences. In contrast with prior work on tree-structured models in which the trees are either provided as input or…

计算与语言 · 计算机科学 2016-11-29 Dani Yogatama , Phil Blunsom , Chris Dyer , Edward Grefenstette , Wang Ling

How to properly model graphs is a long-existing and important problem in NLP area, where several popular types of graphs are knowledge graphs, semantic graphs and dependency graphs. Comparing with other data structures, such as sequences…

计算与语言 · 计算机科学 2019-07-16 Linfeng Song

Extractive compression is a challenging natural language processing problem. This work contributes by formulating neural extractive compression as a parse tree transduction problem, rather than a sequence transduction task. Motivated by…

信息检索 · 计算机科学 2018-09-26 Davide Bacciu , Antonio Bruno

Deep neural networks for machine comprehension typically utilizes only word or character embeddings without explicitly taking advantage of structured linguistic information such as constituency trees and dependency trees. In this paper, we…

计算与语言 · 计算机科学 2017-09-04 Rui Liu , Junjie Hu , Wei Wei , Zi Yang , Eric Nyberg

Understanding road structures is crucial for autonomous driving. Intricate road structures are often depicted using lane graphs, which include centerline curves and connections forming a Directed Acyclic Graph (DAG). Accurate extraction of…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Renyuan Peng , Xinyue Cai , Hang Xu , Jiachen Lu , Feng Wen , Wei Zhang , Li Zhang

In the literature, the research on abstract meaning representation (AMR) parsing is much restricted by the size of human-curated dataset which is critical to build an AMR parser with good performance. To alleviate such data size…

计算与语言 · 计算机科学 2020-10-06 Dongqin Xu , Junhui Li , Muhua Zhu , Min Zhang , Guodong Zhou

Researchers have relegated natural language processing tasks to Transformer-type models, particularly generative models, because these models exhibit high versatility when performing generation and classification tasks. As the size of these…

计算与语言 · 计算机科学 2025-04-04 Fabio Yáñez-Romero , Andrés Montoyo , Armando Suárez , Yoan Gutiérrez , Ruslan Mitkov

Recursive neural networks (RvNN) have been shown useful for learning sentence representations and helped achieve competitive performance on several natural language inference tasks. However, recent RvNN-based models fail to learn simple…

计算与语言 · 计算机科学 2021-04-13 Atul Sahay , Ayush Maheshwari , Ritesh Kumar , Ganesh Ramakrishnan , Manjesh Kumar Hanawal , Kavi Arya

The knowledge-grounded dialogue task aims to generate responses that convey information from given knowledge documents. However, it is a challenge for the current sequence-based model to acquire knowledge from complex documents and…

计算与语言 · 计算机科学 2024-05-17 Yizhe Yang , Heyan Huang , Yang Gao , Jiawei Li and

Graph-structured data appears frequently in domains including chemistry, natural language semantics, social networks, and knowledge bases. In this work, we study feature learning techniques for graph-structured inputs. Our starting point is…

机器学习 · 计算机科学 2017-09-26 Yujia Li , Daniel Tarlow , Marc Brockschmidt , Richard Zemel

Building models that take advantage of the hierarchical structure of language without a priori annotation is a longstanding goal in natural language processing. We introduce such a model for the task of machine translation, pairing a…

计算与语言 · 计算机科学 2017-09-07 James Bradbury , Richard Socher

Despite success in many domains, neural models struggle in settings where train and test examples are drawn from different distributions. In particular, in contrast to humans, conventional sequence-to-sequence (seq2seq) models fail to…

计算与语言 · 计算机科学 2021-10-28 Bailin Wang , Mirella Lapata , Ivan Titov

We view molecular optimization as a graph-to-graph translation problem. The goal is to learn to map from one molecular graph to another with better properties based on an available corpus of paired molecules. Since molecules can be…

机器学习 · 计算机科学 2019-01-30 Wengong Jin , Kevin Yang , Regina Barzilay , Tommi Jaakkola

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…

计算与语言 · 计算机科学 2018-09-05 Bo Chen , Le Sun , Xianpei Han

Graph-to-text generation has benefited from pre-trained language models (PLMs) in achieving better performance than structured graph encoders. However, they fail to fully utilize the structure information of the input graph. In this paper,…

计算与语言 · 计算机科学 2025-06-11 Qingyun Wang , Semih Yavuz , Victoria Lin , Heng Ji , Nazneen Rajani

Latent tree learning(LTL) methods learn to parse sentences using only indirect supervision from a downstream task. Recent advances in latent tree learning have made it possible to recover moderately high quality tree structures by training…

计算与语言 · 计算机科学 2019-09-24 Phu Mon Htut , Kyunghyun Cho , Samuel R. Bowman

Using Large Language Models (LLMs) to process graph-structured data is an active research area, yet current state-of-the-art approaches typically rely on multi-step pipelines with Graph Neural Network (GNN) encoders that compress rich…

机器学习 · 计算机科学 2026-05-12 Dario Vajda