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Transformer architectures have been successfully used in learning source code representations. The fusion between a graph representation like Abstract Syntax Tree (AST) and a source code sequence makes the use of current approaches…

机器学习 · 计算机科学 2021-12-06 Junyan Cheng , Iordanis Fostiropoulos , Barry Boehm

Large language models (LLMs) have been applied to a wide range of data-to-text generation tasks, including tables, graphs, and time-series numerical data-to-text settings. While research on generating prompts for structured data such as…

计算与语言 · 计算机科学 2024-04-04 Masayuki Kawarada , Tatsuya Ishigaki , Hiroya Takamura

Long text generation is an important but challenging task.The main problem lies in learning sentence-level semantic dependencies which traditional generative models often suffer from. To address this problem, we propose a Multi-hop…

计算与语言 · 计算机科学 2020-09-29 Liang Zhao , Jingjing Xu , Junyang Lin , Yichang Zhang , Hongxia Yang , Xu Sun

Although neural machine translation (NMT) with the encoder-decoder framework has achieved great success in recent times, it still suffers from some drawbacks: RNNs tend to forget old information which is often useful and the encoder only…

计算与语言 · 计算机科学 2018-05-28 Wen Zhang , Jiawei Hu , Yang Feng , Qun Liu

Deep generative models have achieved remarkable success in various data domains, including images, time series, and natural languages. There remain, however, substantial challenges for combinatorial structures, including graphs. One of the…

机器学习 · 计算机科学 2018-09-21 Tengfei Ma , Jie Chen , Cao Xiao

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…

计算与语言 · 计算机科学 2021-09-14 Qiwei Bi , Haoyuan Li , Kun Lu , Hanfang Yang

To achieve deep natural language understanding, syntactic constituent parsing plays a crucial role and is widely required by many artificial intelligence systems for processing both text and speech. A recent approach involves using standard…

计算与语言 · 计算机科学 2026-05-14 Daniel Fernández-González , Cristina Outeiriño Cid

Most of the existing Neural Machine Translation (NMT) models focus on the conversion of sequential data and do not directly use syntactic information. We propose a novel end-to-end syntactic NMT model, extending a sequence-to-sequence model…

计算与语言 · 计算机科学 2016-06-09 Akiko Eriguchi , Kazuma Hashimoto , Yoshimasa Tsuruoka

Retrieval-augmented generation (RAG) has revitalized Large Language Models (LLMs) by injecting non-parametric factual knowledge. Compared with long-context LLMs, RAG is considered an effective summarization tool in a more concise and…

计算与语言 · 计算机科学 2025-05-30 Haozhen Zhang , Tao Feng , Jiaxuan You

Generative artificial intelligence (AI) has found a widespread use in computing education; at the same time, quality of generated materials raises concerns among educators and students. This study addresses this issue by introducing a novel…

计算与语言 · 计算机科学 2026-01-29 Evanfiya Logacheva , Arto Hellas , Tsvetomila Mihaylova , Juha Sorva , Ava Heinonen , Juho Leinonen

Multi-modal neural machine translation (NMT) aims to translate source sentences into a target language paired with images. However, dominant multi-modal NMT models do not fully exploit fine-grained semantic correspondences between semantic…

计算与语言 · 计算机科学 2020-07-20 Yongjing Yin , Fandong Meng , Jinsong Su , Chulun Zhou , Zhengyuan Yang , Jie Zhou , Jiebo Luo

In document-level neural machine translation (DocNMT), multi-encoder approaches are common in encoding context and source sentences. Recent studies \cite{li-etal-2020-multi-encoder} have shown that the context encoder generates noise and…

计算与语言 · 计算机科学 2024-07-04 Ramakrishna Appicharla , Baban Gain , Santanu Pal , Asif Ekbal , Pushpak Bhattacharyya

Many important NLP problems can be posed as dual-sequence or sequence-to-sequence modeling tasks. Recent advances in building end-to-end neural architectures have been highly successful in solving such tasks. In this work we propose a new…

神经与进化计算 · 计算机科学 2016-06-15 Dirk Weissenborn

The advent of large language models (LLMs) has initiated much research into their various financial applications. However, in applying LLMs on long documents, semantic relations are not explicitly incorporated, and a full or arbitrarily…

计算工程、金融与科学 · 计算机科学 2024-10-24 Bolun "Namir" Xia , Aparna Gupta , Mohammed J. Zaki

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…

信息检索 · 计算机科学 2024-11-07 Yuxin Dong , Shuo Wang , Hongye Zheng , Jiajing Chen , Zhenhong Zhang , Chihang Wang

Natural question generation (QG) aims to generate questions from a passage and an answer. Previous works on QG either (i) ignore the rich structure information hidden in text, (ii) solely rely on cross-entropy loss that leads to issues like…

计算与语言 · 计算机科学 2020-08-28 Yu Chen , Lingfei Wu , Mohammed J. Zaki

How to effectively incorporate cross-utterance information cues into a neural language model (LM) has emerged as one of the intriguing issues for automatic speech recognition (ASR). Existing research efforts on improving contextualization…

计算与语言 · 计算机科学 2021-10-04 Shih-Hsuan Chiu , Tien-Hong Lo , Fu-An Chao , Berlin Chen

The development of artificial intelligence systems capable of understanding and reasoning about complex real-world scenarios is a significant challenge. In this work we present a novel approach to enhance and exploit LLM reactive capability…

人工智能 · 计算机科学 2024-11-20 Stefano De Giorgis , Aldo Gangemi , Alessandro Russo

Neural attention models have achieved great success in different NLP tasks. How- ever, they have not fulfilled their promise on the AMR parsing task due to the data sparsity issue. In this paper, we de- scribe a sequence-to-sequence model…

计算与语言 · 计算机科学 2017-02-17 Xiaochang Peng , Chuan Wang , Daniel Gildea , Nianwen Xue

Traditionally, natural language processing (NLP) models often use a rich set of features created by linguistic expertise, such as semantic representations. However, in the era of large language models (LLMs), more and more tasks are turned…

计算与语言 · 计算机科学 2024-05-03 Zhijing Jin , Yuen Chen , Fernando Gonzalez , Jiarui Liu , Jiayi Zhang , Julian Michael , Bernhard Schölkopf , Mona Diab