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Obtaining large-scale annotated data for NLP tasks in the scientific domain is challenging and expensive. We release SciBERT, a pretrained language model based on BERT (Devlin et al., 2018) to address the lack of high-quality, large-scale…

计算与语言 · 计算机科学 2019-09-12 Iz Beltagy , Kyle Lo , Arman Cohan

One of the most remarkable properties of word embeddings is the fact that they capture certain types of semantic and syntactic relationships. Recently, pre-trained language models such as BERT have achieved groundbreaking results across a…

计算与语言 · 计算机科学 2019-12-02 Zied Bouraoui , Jose Camacho-Collados , Steven Schockaert

Exploring the predictive capabilities of language models in material science is an ongoing interest. This study investigates the application of language model embeddings to enhance material property prediction in materials science. By…

计算与语言 · 计算机科学 2024-11-05 Yuwei Wan , Tong Xie , Nan Wu , Wenjie Zhang , Chunyu Kit , Bram Hoex

Recent years have witnessed the burgeoning of pretrained language models (LMs) for text-based natural language (NL) understanding tasks. Such models are typically trained on free-form NL text, hence may not be suitable for tasks like…

计算与语言 · 计算机科学 2020-05-19 Pengcheng Yin , Graham Neubig , Wen-tau Yih , Sebastian Riedel

We present a novel way of injecting factual knowledge about entities into the pretrained BERT model (Devlin et al., 2019): We align Wikipedia2Vec entity vectors (Yamada et al., 2016) with BERT's native wordpiece vector space and use the…

计算与语言 · 计算机科学 2020-05-04 Nina Poerner , Ulli Waltinger , Hinrich Schütze

This paper proposes MapGPT which is a novel approach that integrates the capabilities of language models, specifically large language models (LLMs), with spatial data processing techniques. This paper introduces MapGPT, which aims to bridge…

人工智能 · 计算机科学 2023-10-19 Ashley Fernandez , Swaraj Dube

Recognizing spatial relations and reasoning about them is essential in multiple applications including navigation, direction giving and human-computer interaction in general. Spatial relations between objects can either be explicit --…

计算与语言 · 计算机科学 2020-07-21 Soham Dan , Hangfeng He , Dan Roth

Human mobility forecasting is crucial for disaster relief, city planning, and public health. However, existing models either only model location sequences or include time information merely as auxiliary input, thereby failing to leverage…

人工智能 · 计算机科学 2025-10-24 Yunzhi Liu , Haokai Tan , Rushi Kanjaria , Lihuan Li , Flora D. Salim

Electronic health records (EHR) contain narrative notes that provide extensive details on the medical condition and management of patients. Natural language processing (NLP) of clinical notes can use observed frequencies of clinical terms…

计算与语言 · 计算机科学 2023-07-04 Bryan Cai , Sihang Zeng , Yucong Lin , Zheng Yuan , Doudou Zhou , Lu Tian

This work models named entity distribution from a way of visualizing topological structure of embedding space, so that we make an assumption that most, if not all, named entities (NEs) for a language tend to aggregate together to be…

计算与语言 · 计算机科学 2019-09-04 Zhuosheng Zhang , Bingjie Tang , Zuchao Li , Hai Zhao

Language models have been supervised with both language-only objective and visual grounding in existing studies of visual-grounded language learning. However, due to differences in the distribution and scale of visual-grounded datasets and…

计算与语言 · 计算机科学 2024-01-10 Cong-Duy Nguyen , The-Anh Vu-Le , Thong Nguyen , Tho Quan , Luu Anh Tuan

Multilingual knowledge graphs (KGs), such as YAGO and DBpedia, represent entities in different languages. The task of cross-lingual entity alignment is to match entities in a source language with their counterparts in target languages. In…

计算与语言 · 计算机科学 2019-10-16 Hsiu-Wei Yang , Yanyan Zou , Peng Shi , Wei Lu , Jimmy Lin , Xu Sun

In this paper, we address the problem of learning low dimension representation of entities on relational databases consisting of multiple tables. Embeddings help to capture semantics encoded in the database and can be used in a variety of…

计算与语言 · 计算机科学 2021-05-03 Siddhant Arora , Vinayak Gupta , Garima Gaur , Srikanta Bedathur

Time series analysis is crucial in diverse scenarios. Beyond forecasting, considerable real-world tasks are categorized into classification, imputation, and anomaly detection, underscoring different capabilities termed time series…

机器学习 · 计算机科学 2025-03-03 Haoran Zhang , Yong Liu , Yunzhong Qiu , Haixuan Liu , Zhongyi Pei , Jianmin Wang , Mingsheng Long

Pre-trained contextualized embedding models such as BERT are a standard building block in many natural language processing systems. We demonstrate that the sentence-level representations produced by some off-the-shelf contextualized…

计算与语言 · 计算机科学 2022-06-06 Xiliang Zhu , David Rossouw , Shayna Gardiner , Simon Corston-Oliver

Geo-entity linking is the task of linking a location mention to the real-world geographic location. In this paper we explore the challenging task of geo-entity linking for noisy, multilingual social media data. There are few open-source…

计算与语言 · 计算机科学 2024-04-30 Tessa Masis , Brendan O'Connor

Large pre-trained language models such as BERT have been the driving force behind recent improvements across many NLP tasks. However, BERT is only trained to predict missing words - either behind masks or in the next sentence - and has no…

计算与语言 · 计算机科学 2020-10-26 Nicole Peinelt , Marek Rei , Maria Liakata

Named entity recognition (NER) models generally perform poorly when large training datasets are unavailable for low-resource domains. Recently, pre-training a large-scale language model has become a promising direction for coping with the…

计算与语言 · 计算机科学 2021-12-02 Zihan Liu , Feijun Jiang , Yuxiang Hu , Chen Shi , Pascale Fung

Language is an interface to the outside world. In order for embodied agents to use it, language must be grounded in other, sensorimotor modalities. While there is an extended literature studying how machines can learn grounded language, the…

人工智能 · 计算机科学 2021-10-12 Tristan Karch , Laetitia Teodorescu , Katja Hofmann , Clément Moulin-Frier , Pierre-Yves Oudeyer

Learning knowledge graph (KG) embeddings is an emerging technique for a variety of downstream tasks such as summarization, link prediction, information retrieval, and question answering. However, most existing KG embedding models neglect…

数据库 · 计算机科学 2020-04-30 Gengchen Mai , Krzysztof Janowicz , Ling Cai , Rui Zhu , Blake Regalia , Bo Yan , Meilin Shi , Ni Lao