English
Related papers

Related papers: Improving Semantic Parsing with Neural Generator-R…

200 papers

Recent studies increasingly explore Large Language Models (LLMs) as a new paradigm for recommendation systems due to their scalability and world knowledge. However, existing work has three key limitations: (1) most efforts focus on…

Generative adversarial networks (GANs) have great successes on synthesizing data. However, the existing GANs restrict the discriminator to be a binary classifier, and thus limit their learning capacity for tasks that need to synthesize…

Computation and Language · Computer Science 2018-04-17 Kevin Lin , Dianqi Li , Xiaodong He , Zhengyou Zhang , Ming-Ting Sun

Semantic parsing is the task of translating natural language utterances into machine-readable meaning representations. Currently, most semantic parsing methods are not able to utilize contextual information (e.g. dialogue and comments…

Computation and Language · Computer Science 2020-11-03 Zhuang Li , Lizhen Qu , Gholamreza Haffari

Semantic parsing maps natural language (NL) utterances into logical forms (LFs), which underpins many advanced NLP problems. Semantic parsers gain performance boosts with deep neural networks, but inherit vulnerabilities against adversarial…

Computation and Language · Computer Science 2021-02-04 Shuo Huang , Zhuang Li , Lizhen Qu , Lei Pan

In this paper, we propose a method for obtaining sentence-level embeddings. While the problem of securing word-level embeddings is very well studied, we propose a novel method for obtaining sentence-level embeddings. This is obtained by a…

Computation and Language · Computer Science 2020-01-07 Badri N. Patro , Dev Chauhan , Vinod K. Kurmi , Vinay P. Namboodiri

While sequence-to-sequence (seq2seq) models achieve state-of-the-art performance in many natural language processing tasks, they can be too slow for real-time applications. One performance bottleneck is predicting the most likely next token…

Computation and Language · Computer Science 2019-07-26 Chunyang Xiao , Christoph Teichmann , Konstantine Arkoudas

We present a novel extension to Retrieval Augmented Generation with the goal of mitigating factual inaccuracies in the output of large language models. Specifically, our method draws on the cognitive linguistic theory of frame semantics for…

Computation and Language · Computer Science 2024-06-25 Harish Tayyar Madabushi

Recurrent neural network grammars (RNNGs) are generative models of (tree,string) pairs that rely on neural networks to evaluate derivational choices. Parsing with them using beam search yields a variety of incremental complexity metrics…

Computation and Language · Computer Science 2018-06-12 John Hale , Chris Dyer , Adhiguna Kuncoro , Jonathan R. Brennan

Recall the classical text generation works, the generation framework can be briefly divided into two phases: \textbf{idea reasoning} and \textbf{surface realization}. The target of idea reasoning is to figure out the main idea which will be…

Computation and Language · Computer Science 2021-08-09 Wei Wang , Piji Li , Hai-Tao Zheng

Recently image inpainting has witnessed rapid progress due to generative adversarial networks (GAN) that are able to synthesize realistic contents. However, most existing GAN-based methods for semantic inpainting apply an auto-encoder…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Haofeng Li , Guanbin Li , Liang Lin , Yizhou Yu

Higher-order features bring significant accuracy gains in semantic dependency parsing. However, modeling higher-order features with exact inference is NP-hard. Graph neural networks (GNNs) have been demonstrated to be an effective tool for…

Computation and Language · Computer Science 2022-01-28 Bin Li , Yunlong Fan , Yikemaiti Sataer , Zhiqiang Gao

Generative retrieval (GR) models encode a corpus within model parameters and generate relevant document identifiers directly for a given query. While this paradigm shows promise in retrieval tasks, existing GR models struggle with complex…

Information Retrieval · Computer Science 2026-03-16 Steven Dong , Yubao Tang , Maarten de Rijke

The search of information in large text repositories has been plagued by the so-called document-query vocabulary gap, i.e. the semantic discordance between the contents in the stored document entities on the one hand and the human query on…

Information Retrieval · Computer Science 2020-04-22 Bhawani Selvaretnam , Mohammed Belkhatir

Rhetorical structure trees have been shown to be useful for several document-level tasks including summarization and document classification. Previous approaches to RST parsing have used discriminative models; however, these are less sample…

Computation and Language · Computer Science 2019-09-25 Amandla Mabona , Laura Rimell , Stephen Clark , Andreas Vlachos

Semantic search in retrieval-augmented generation (RAG) systems is often insufficient for complex information needs, particularly when relevant evidence is scattered across multiple sources. Prior approaches to this problem include agentic…

Machine Learning · Computer Science 2026-03-27 Ruizhong Miao , Yuying Wang , Rongguang Wang , Chenyang Li , Tao Sheng , Sujith Ravi , Dan Roth

Generative retrieval has recently emerged as a promising approach to sequential recommendation, framing candidate item retrieval as an autoregressive sequence generation problem. However, existing generative methods typically focus solely…

Information Retrieval · Computer Science 2024-07-04 Ye Wang , Jiahao Xun , Minjie Hong , Jieming Zhu , Tao Jin , Wang Lin , Haoyuan Li , Linjun Li , Yan Xia , Zhou Zhao , Zhenhua Dong

Solving math word problems is a challenging task that requires accurate natural language understanding to bridge natural language texts and math expressions. Motivated by the intuition about how human generates the equations given the…

Computation and Language · Computer Science 2019-06-11 Ting-Rui Chiang , Yun-Nung Chen

Recent work has attempted to characterize the structure of semantic memory and the search algorithms which, together, best approximate human patterns of search revealed in a semantic fluency task. There are a number of models that seek to…

Computation and Language · Computer Science 2017-12-01 Filip Miscevic , Aida Nematzadeh , Suzanne Stevenson

This work addresses the problems of semantic segmentation and image super-resolution by jointly considering the performance of both in training a Generative Adversarial Network (GAN). We propose a novel architecture and domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Tristan Frizza , Donald G. Dansereau , Nagita Mehr Seresht , Michael Bewley

Semantic parsing is a means of taking natural language and putting it in a form that a computer can understand. There has been a multitude of approaches that take natural language utterances and form them into lambda calculus expressions --…

Computation and Language · Computer Science 2023-01-31 Parth Parekh , Cedric McGuire , Jake Imyak