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In this work, we model abstractive text summarization using Attentional Encoder-Decoder Recurrent Neural Networks, and show that they achieve state-of-the-art performance on two different corpora. We propose several novel models that…

Computation and Language · Computer Science 2016-08-29 Ramesh Nallapati , Bowen Zhou , Cicero Nogueira dos santos , Caglar Gulcehre , Bing Xiang

Tabular data in digital documents is widely used to express compact and important information for readers. However, it is challenging to parse tables from unstructured digital documents, such as PDFs and images, into machine-readable format…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Attention-based sequence-to-sequence modeling provides a powerful and elegant solution for applications that need to map one sequence to a different sequence. Its success heavily relies on the availability of large amounts of training data.…

Computation and Language · Computer Science 2021-02-12 Yun Tang , Juan Pino , Changhan Wang , Xutai Ma , Dmitriy Genzel

Most previous work on neural text generation from graph-structured data relies on standard sequence-to-sequence methods. These approaches linearise the input graph to be fed to a recurrent neural network. In this paper, we propose an…

Computation and Language · Computer Science 2018-10-24 Diego Marcheggiani , Laura Perez-Beltrachini

Intelligent voice assistants, such as Apple Siri and Amazon Alexa, are widely used nowadays. These task-oriented dialogue systems require a semantic parsing module in order to process user utterances and understand the action to be…

Computation and Language · Computer Science 2024-09-11 Daniel Fernández-González

The evolution of AI systems toward agentic operation and context-aware retrieval necessitates transforming unstructured text into structured formats like tables, knowledge graphs, and charts. While such conversions enable critical…

Computation and Language · Computer Science 2025-08-19 Zheye Deng , Chunkit Chan , Tianshi Zheng , Wei Fan , Weiqi Wang , Yangqiu Song

We present a new table structure recognition (TSR) approach, called TSRFormer, to robustly recognizing the structures of complex tables with geometrical distortions from various table images. Unlike previous methods, we formulate table…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Weihong Lin , Zheng Sun , Chixiang Ma , Mingze Li , Jiawei Wang , Lei Sun , Qiang Huo

Learning to capture text-table alignment is essential for tasks like text-to-SQL. A model needs to correctly recognize natural language references to columns and values and to ground them in the given database schema. In this paper, we…

Computation and Language · Computer Science 2022-09-01 Xiang Deng , Ahmed Hassan Awadallah , Christopher Meek , Oleksandr Polozov , Huan Sun , Matthew Richardson

We propose a technique for learning representations of parser states in transition-based dependency parsers. Our primary innovation is a new control structure for sequence-to-sequence neural networks---the stack LSTM. Like the conventional…

Computation and Language · Computer Science 2015-06-01 Chris Dyer , Miguel Ballesteros , Wang Ling , Austin Matthews , Noah A. Smith

We focus on Text-to-SQL semantic parsing from the perspective of retrieval-augmented generation. Motivated by challenges related to the size of commercial database schemata and the deployability of business intelligence solutions, we…

Computation and Language · Computer Science 2024-11-05 Zhili Shen , Pavlos Vougiouklis , Chenxin Diao , Kaustubh Vyas , Yuanyi Ji , Jeff Z. Pan

Relational tables on the Web store a vast amount of knowledge. Owing to the wealth of such tables, there has been tremendous progress on a variety of tasks in the area of table understanding. However, existing work generally relies on…

Information Retrieval · Computer Science 2020-12-04 Xiang Deng , Huan Sun , Alyssa Lees , You Wu , Cong Yu

Text normalization, or the process of transforming text into a consistent, canonical form, is crucial for speech applications such as text-to-speech synthesis (TTS). In TTS, the system must decide whether to verbalize "1995" as "nineteen…

Machine Learning · Computer Science 2022-02-02 Jae Hun Ro , Felix Stahlberg , Ke Wu , Shankar Kumar

We present the first parser for UCCA, a cross-linguistically applicable framework for semantic representation, which builds on extensive typological work and supports rapid annotation. UCCA poses a challenge for existing parsing techniques,…

Computation and Language · Computer Science 2018-05-02 Daniel Hershcovich , Omri Abend , Ari Rappoport

Recent studies on AMR-to-text generation often formalize the task as a sequence-to-sequence (seq2seq) learning problem by converting an Abstract Meaning Representation (AMR) graph into a word sequence. Graph structures are further modeled…

Computation and Language · Computer Science 2019-09-04 Jie Zhu , Junhui Li , Muhua Zhu , Longhua Qian , Min Zhang , Guodong Zhou

A great proportion of sequence-to-sequence (Seq2Seq) models for Neural Machine Translation (NMT) adopt Recurrent Neural Network (RNN) to generate translation word by word following a sequential order. As the studies of linguistics have…

Computation and Language · Computer Science 2018-06-14 Junyang Lin , Xu Sun , Xuancheng Ren , Shuming Ma , Jinsong Su , Qi Su

Table structure recognition is a crucial part of document image analysis domain. Its difficulty lies in the need to parse the physical coordinates and logical indices of each cell at the same time. However, the existing methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Zengyuan Guo , Yuechen Yu , Pengyuan Lv , Chengquan Zhang , Haojie Li , Zhihui Wang , Kun Yao , Jingtuo Liu , Jingdong Wang

Notwithstanding recent advances, syntactic generalization remains a challenge for text decoders. While some studies showed gains from incorporating source-side symbolic syntactic and semantic structure into text generation Transformers,…

Computation and Language · Computer Science 2022-11-02 Leshem Choshen , Omri Abend

Most recent semantic segmentation methods adopt a fully-convolutional network (FCN) with an encoder-decoder architecture. The encoder progressively reduces the spatial resolution and learns more abstract/semantic visual concepts with larger…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Sixiao Zheng , Jiachen Lu , Hengshuang Zhao , Xiatian Zhu , Zekun Luo , Yabiao Wang , Yanwei Fu , Jianfeng Feng , Tao Xiang , Philip H. S. Torr , Li Zhang

As opposed to natural languages, source code understanding is influenced by grammatical relationships between tokens regardless of their identifier name. Graph representations of source code such as Abstract Syntax Tree (AST) can capture…

Machine Learning · Computer Science 2021-11-18 Junyan Cheng , Iordanis Fostiropoulos , Barry Boehm

Transforming dense, detailed, unstructured text into an interpretable and summarised table, also colloquially known as Text-to-Table generation, is an essential task for information retrieval. Current methods, however, miss out on how and…

Computation and Language · Computer Science 2025-05-30 Naman Ahuja , Fenil Bardoliya , Chitta Baral , Vivek Gupta
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