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Graph-structured data is prevalent in the real world. Recently, due to the powerful emergent capabilities, Large Language Models (LLMs) have shown promising performance in modeling graphs. The key to effectively applying LLMs on graphs is…

计算与语言 · 计算机科学 2024-10-16 Haitong Luo , Xuying Meng , Suhang Wang , Tianxiang Zhao , Fali Wang , Hanyun Cao , Yujun Zhang

The complicated syntax structure of natural language is hard to be explicitly modeled by sequence-based models. Graph is a natural structure to describe the complicated relation between tokens. The recent advance in Graph Neural Networks…

计算与语言 · 计算机科学 2019-09-19 Wei Li , Shuheng Li , Shuming Ma , Yancheng He , Deli Chen , Xu Sun

End-to-end task-oriented dialogue systems aim to generate system responses directly from plain text inputs. There are two challenges for such systems: one is how to effectively incorporate external knowledge bases (KBs) into the learning…

计算与语言 · 计算机科学 2020-10-06 Shiquan Yang , Rui Zhang , Sarah Erfani

Interpretable Graph Neural Networks (GNNs) aim to reveal the underlying reasoning behind model predictions, attributing their decisions to specific subgraphs that are informative. However, existing subgraph-based interpretable methods…

机器学习 · 计算机科学 2025-05-02 Jie Yang , Yuwen Wang , Kaixuan Chen , Tongya Zheng , Yihe Zhou , Zhenbang Xiao , Ji Cao , Mingli Song , Shunyu Liu

This work proposes a novel Graph-based neural ArchiTecture Encoding Scheme, a.k.a. GATES, to improve the predictor-based neural architecture search. Specifically, different from existing graph-based schemes, GATES models the operations as…

机器学习 · 计算机科学 2020-09-02 Xuefei Ning , Yin Zheng , Tianchen Zhao , Yu Wang , Huazhong Yang

Dependency trees help relation extraction models capture long-range relations between words. However, existing dependency-based models either neglect crucial information (e.g., negation) by pruning the dependency trees too aggressively, or…

计算与语言 · 计算机科学 2018-09-28 Yuhao Zhang , Peng Qi , Christopher D. Manning

Incorporating biasing words obtained as contextual knowledge is critical for many automatic speech recognition (ASR) applications. This paper proposes the use of graph neural network (GNN) encodings in a tree-constrained pointer generator…

声音 · 计算机科学 2022-07-05 Guangzhi Sun , Chao Zhang , Philip C. Woodland

The most approaches to Knowledge Base Question Answering are based on semantic parsing. In this paper, we address the problem of learning vector representations for complex semantic parses that consist of multiple entities and relations.…

计算与语言 · 计算机科学 2018-08-14 Daniil Sorokin , Iryna Gurevych

Text-Attributed Graphs (TAGs) enhance graph structures with natural language descriptions, enabling detailed representation of data and their relationships across a broad spectrum of real-world scenarios. Despite the potential for deeper…

机器学习 · 计算机科学 2024-05-28 Zheng Zhang , Yuntong Hu , Bo Pan , Chen Ling , Liang Zhao

Semantic parsing is the task of producing a structured meaning representation for natural language utterances or questions. Recent research has pointed out that the commonly-used sequence-to-sequence (seq2seq) semantic parsers struggle to…

计算与语言 · 计算机科学 2022-06-06 Dora Jambor , Dzmitry Bahdanau

Large language models (LLMs) have achieved impressive performance on many natural language processing tasks. However, their capabilities on graph-structured data remain relatively unexplored. In this paper, we conduct a series of…

机器学习 · 计算机科学 2023-10-10 Yuntong Hu , Zheng Zhang , Liang Zhao

In this paper, we proposed a deep learning-based end-to-end method on the domain specified automatic term extraction (ATE), it considers possible term spans within a fixed length in the sentence and predicts them whether they can be…

计算与语言 · 计算机科学 2019-09-10 Yuze Gao , Yu Yuan

This paper describes our submission to CoNLL 2018 UD Shared Task. We have extended an LSTM-based neural network designed for sequence tagging to additionally generate character-level sequences. The network was jointly trained to produce…

计算与语言 · 计算机科学 2018-09-11 Gor Arakelyan , Karen Hambardzumyan , Hrant Khachatrian

In a lexicalized grammar formalism such as Lexicalized Tree-Adjoining Grammar (LTAG), each lexical item is associated with at least one elementary structure (supertag) that localizes syntactic and semantic dependencies. Thus a parser for a…

cmp-lg · 计算机科学 2008-02-03 Aravind K. Joshi , B. Srinivas

Text Classification is the most essential and fundamental problem in Natural Language Processing. While numerous recent text classification models applied the sequential deep learning technique, graph neural network-based models can…

计算与语言 · 计算机科学 2024-07-08 Kunze Wang , Yihao Ding , Soyeon Caren Han

We propose a novel architecture for graph-based dependency parsing that explicitly constructs vectors, from which both arcs and labels are scored. Our method addresses key limitations of the standard two-pipeline approach by unifying arc…

计算与语言 · 计算机科学 2025-01-17 Nicolas Floquet , Joseph Le Roux , Nadi Tomeh , Thierry Charnois

In Multi-Label Text Classification (MLTC), one sample can belong to more than one class. It is observed that most MLTC tasks, there are dependencies or correlations among labels. Existing methods tend to ignore the relationship among…

计算与语言 · 计算机科学 2020-03-27 Ankit Pal , Muru Selvakumar , Malaikannan Sankarasubbu

Textual entailment is a fundamental task in natural language processing. Most approaches for solving the problem use only the textual content present in training data. A few approaches have shown that information from external knowledge…

Protein function prediction may be framed as predicting subgraphs (with certain closure properties) of a directed acyclic graph describing the hierarchy of protein functions. Graph neural networks (GNNs), with their built-in inductive bias…

机器学习 · 计算机科学 2020-08-07 Stefan Spalević , Petar Veličković , Jovana Kovačević , Mladen Nikolić

Nested named entity recognition (NER) aims to identify the entity boundaries and recognize categories of the named entities in a complex hierarchical sentence. Some works have been done using character-level, word-level, or lexicon-level…

计算与语言 · 计算机科学 2022-11-08 Yuan Sui , Fanyang Bu , Yingting Hu , Wei Yan , Liang Zhang