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In this paper, we present a novel approach to knowledge extraction and retrieval using Natural Language Processing (NLP) techniques for material science. Our goal is to automatically mine structured knowledge from millions of research…

Computation and Language · Computer Science 2023-02-14 Xianjun Yang , Stephen Wilson , Linda Petzold

Most state-of-the-art neural machine translation systems, despite being different in architectural skeletons (e.g. recurrence, convolutional), share an indispensable feature: the Attention. However, most existing attention methods are…

Computation and Language · Computer Science 2019-08-17 Phi Xuan Nguyen , Shafiq Joty

Existing models on open-domain comment generation are difficult to train, and they produce repetitive and uninteresting responses. The problem is due to multiple and contradictory responses from a single article, and by the rigidity of…

Computation and Language · Computer Science 2019-02-28 Zhaojiang Lin , Genta Indra Winata , Pascale Fung

Text generation has made significant advances in the last few years. Yet, evaluation metrics have lagged behind, as the most popular choices (e.g., BLEU and ROUGE) may correlate poorly with human judgments. We propose BLEURT, a learned…

Computation and Language · Computer Science 2020-05-22 Thibault Sellam , Dipanjan Das , Ankur P. Parikh

Knowledge representation has gained in relevance as data from the ubiquitous digitization of behaviors amass and academia and industry seek methods to understand and reason about the information they encode. Success in this pursuit has…

Computers and Society · Computer Science 2018-11-21 Zachary A. Pardos , Andrew Joo Hun Nam

Developing an efficient retriever to retrieve knowledge from a large-scale knowledge base (KB) is critical for task-oriented dialogue systems to effectively handle localized and specialized tasks. However, widely used generative models such…

Computation and Language · Computer Science 2023-10-23 Weizhou Shen , Yingqi Gao , Canbin Huang , Fanqi Wan , Xiaojun Quan , Wei Bi

Large language models (LLMs) encode knowledge in parametric weights, making it costly to update or extend without retraining. Retrieval-augmented generation (RAG) mitigates this limitation by appending retrieved text to the input, but…

Computation and Language · Computer Science 2026-04-24 Bin Ju , Shenfeng Weng , Danying Zhou , Rongkai Xu , Kunkai Su

In models to generate program source code from natural language, representing this code in a tree structure has been a common approach. However, existing methods often fail to generate complex code correctly due to a lack of ability to…

Computation and Language · Computer Science 2018-08-31 Shirley Anugrah Hayati , Raphael Olivier , Pravalika Avvaru , Pengcheng Yin , Anthony Tomasic , Graham Neubig

This paper describes a method for creating structure from heterogeneous sources, as part of an information database, or more specifically, a 'concept base'. Structures called 'concept trees' can grow from the semi-structured sources when…

Information Retrieval · Computer Science 2015-03-17 Kieran Greer

Generating texts from structured data (e.g., a table) is important for various natural language processing tasks such as question answering and dialog systems. In recent studies, researchers use neural language models and encoder-decoder…

Computation and Language · Computer Science 2017-09-04 Lei Sha , Lili Mou , Tianyu Liu , Pascal Poupart , Sujian Li , Baobao Chang , Zhifang Sui

We present the Open Predicate Query Language (OPQL); a method for constructing a virtual KB (VKB) trained entirely from text. Large Knowledge Bases (KBs) are indispensable for a wide-range of industry applications such as question answering…

Artificial Intelligence · Computer Science 2021-06-16 Haitian Sun , Pat Verga , Bhuwan Dhingra , Ruslan Salakhutdinov , William W. Cohen

Automatic question generation is an important problem in natural language processing. In this paper we propose a novel adaptive copying recurrent neural network model to tackle the problem of question generation from sentences and…

Machine Learning · Computer Science 2019-09-19 Xinyuan Lu , Yuhong Guo

When the world changes, so does the text that humans write about it. How do we build language models that can be easily updated to reflect these changes? One popular approach is retrieval-augmented generation, in which new documents are…

Computation and Language · Computer Science 2024-06-18 Belinda Z. Li , Emmy Liu , Alexis Ross , Abbas Zeitoun , Graham Neubig , Jacob Andreas

Learning to generate fluent natural language from structured data with neural networks has become an common approach for NLG. This problem can be challenging when the form of the structured data varies between examples. This paper presents…

Computation and Language · Computer Science 2018-10-12 Sebastian Gehrmann , Falcon Z. Dai , Henry Elder , Alexander M. Rush

Language models are powerful tools, yet their factual knowledge is still poorly understood, and inaccessible to ad-hoc browsing and scalable statistical analysis. This demonstration introduces GPTKB v1.5, a densely interlinked…

Computation and Language · Computer Science 2025-07-09 Yujia Hu , Tuan-Phong Nguyen , Shrestha Ghosh , Moritz Müller , Simon Razniewski

Knowledge graphs (KGs) can be enhanced through rule mining; however, the resulting logical rules are often difficult for humans to interpret due to their inherent complexity and the idiosyncratic labeling conventions of individual KGs. This…

Computation and Language · Computer Science 2025-08-18 Nasim Shirvani-Mahdavi , Chengkai Li

Re-speaking is a mechanism for obtaining high quality subtitles for use in live broadcast and other public events. Because it relies on humans performing the actual re-speaking, the task of estimating the quality of the results is…

Computation and Language · Computer Science 2016-01-13 Krzysztof Wołk , Danijel Koržinek

Question answering (QA) has become a popular way for humans to access billion-scale knowledge bases. Unlike web search, QA over a knowledge base gives out accurate and concise results, provided that natural language questions can be…

Computation and Language · Computer Science 2019-03-07 Wanyun Cui , Yanghua Xiao , Haixun Wang , Yangqiu Song , Seung-won Hwang , Wei Wang

A machine learning model was developed to automatically generate questions from Wikipedia passages using transformers, an attention-based model eschewing the paradigm of existing recurrent neural networks (RNNs). The model was trained on…

Computation and Language · Computer Science 2019-09-17 Kettip Kriangchaivech , Artit Wangperawong

We propose to achieve explainable neural machine translation (NMT) by changing the output representation to explain itself. We present a novel approach to NMT which generates the target sentence by monotonically walking through the source…

Computation and Language · Computer Science 2018-08-30 Felix Stahlberg , Danielle Saunders , Bill Byrne