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This paper presents a word-entity duet framework for utilizing knowledge bases in ad-hoc retrieval. In this work, the query and documents are modeled by word-based representations and entity-based representations. Ranking features are…

Information Retrieval · Computer Science 2017-06-22 Chenyan Xiong , Jamie Callan , Tie-Yan Liu

Does the effectiveness of neural language models derive entirely from accurate modeling of surface word co-occurrence statistics, or do these models represent and reason about the world they describe? In BART and T5 transformer language…

Computation and Language · Computer Science 2021-06-03 Belinda Z. Li , Maxwell Nye , Jacob Andreas

Many models learn representations of knowledge graph data by exploiting its low-rank latent structure, encoding known relations between entities and enabling unknown facts to be inferred. To predict whether a relation holds between…

Machine Learning · Computer Science 2021-01-19 Carl Allen , Ivana Balažević , Timothy Hospedales

Learning representations for knowledge base entities and concepts is becoming increasingly important for NLP applications. However, recent entity embedding methods have relied on structured resources that are expensive to create for new…

Computation and Language · Computer Science 2018-07-11 Denis Newman-Griffis , Albert M. Lai , Eric Fosler-Lussier

We propose a method to make natural language understanding models more parameter efficient by storing knowledge in an external knowledge graph (KG) and retrieving from this KG using a dense index. Given (possibly multilingual) downstream…

Computation and Language · Computer Science 2022-06-28 Ningyuan Huang , Yash R. Deshpande , Yibo Liu , Houda Alberts , Kyunghyun Cho , Clara Vania , Iacer Calixto

Recent works on representation learning for Knowledge Graphs have moved beyond the problem of link prediction, to answering queries of an arbitrary structure. Existing methods are based on ad-hoc mechanisms that require training with a…

Artificial Intelligence · Computer Science 2020-06-25 Daniel Daza , Michael Cochez

In this work we propose a simple and efficient framework for learning sentence representations from unlabelled data. Drawing inspiration from the distributional hypothesis and recent work on learning sentence representations, we reformulate…

Computation and Language · Computer Science 2018-03-09 Lajanugen Logeswaran , Honglak Lee

In this paper, we focus on learning structure-aware document representations from data without recourse to a discourse parser or additional annotations. Drawing inspiration from recent efforts to empower neural networks with a structural…

Computation and Language · Computer Science 2018-02-06 Yang Liu , Mirella Lapata

Neural networks provide new possibilities to automatically learn complex language patterns and query-document relations. Neural IR models have achieved promising results in learning query-document relevance patterns, but few explorations…

Information Retrieval · Computer Science 2019-05-23 Zhuyun Dai , Jamie Callan

Automatically annotating column types with knowledge base (KB) concepts is a critical task to gain a basic understanding of web tables. Current methods rely on either table metadata like column name or entity correspondences of cells in the…

Computation and Language · Computer Science 2018-11-15 Jiaoyan Chen , Ernesto Jimenez-Ruiz , Ian Horrocks , Charles Sutton

In many information extraction applications, entity linking (EL) has emerged as a crucial task that allows leveraging information about named entities from a knowledge base. In this paper, we address the task of multimodal entity linking…

Information Retrieval · Computer Science 2021-04-08 Omar Adjali , Romaric Besançon , Olivier Ferret , Herve Le Borgne , Brigitte Grau

In recent years, Pre-trained Language Models (PLMs) have shown their superiority by pre-training on unstructured text corpus and then fine-tuning on downstream tasks. On entity-rich textual resources like Wikipedia, Knowledge-Enhanced PLMs…

Computation and Language · Computer Science 2023-05-04 Yichuan Li , Jialong Han , Kyumin Lee , Chengyuan Ma , Benjamin Yao , Derek Liu

We introduce the problem of learning distributed representations of edits. By combining a "neural editor" with an "edit encoder", our models learn to represent the salient information of an edit and can be used to apply edits to new inputs.…

Machine Learning · Computer Science 2019-02-25 Pengcheng Yin , Graham Neubig , Miltiadis Allamanis , Marc Brockschmidt , Alexander L. Gaunt

We consider learning representations of entities and relations in KBs using the neural-embedding approach. We show that most existing models, including NTN (Socher et al., 2013) and TransE (Bordes et al., 2013b), can be generalized under a…

Computation and Language · Computer Science 2015-09-01 Bishan Yang , Wen-tau Yih , Xiaodong He , Jianfeng Gao , Li Deng

Incorporating knowledge bases (KB) into end-to-end task-oriented dialogue systems is challenging, since it requires to properly represent the entity of KB, which is associated with its KB context and dialogue context. The existing works…

Computation and Language · Computer Science 2021-09-30 Yanjie Gou , Yinjie Lei , Lingqiao Liu , Yong Dai , Chunxu Shen

Document-level machine translation incorporates inter-sentential dependencies into the translation of a source sentence. In this paper, we propose a new framework to model cross-sentence dependencies by training neural machine translation…

Computation and Language · Computer Science 2020-03-31 Pei Zhang , Xu Zhang , Wei Chen , Jian Yu , Yanfeng Wang , Deyi Xiong

Representation learning of knowledge bases (KBs) aims to embed both entities and relations into a low-dimensional space. Most existing methods only consider direct relations in representation learning. We argue that multiple-step relation…

Computation and Language · Computer Science 2015-08-18 Yankai Lin , Zhiyuan Liu , Huanbo Luan , Maosong Sun , Siwei Rao , Song Liu

Knowledge embeddings (KE) represent a knowledge graph (KG) by embedding entities and relations into continuous vector spaces. Existing methods are mainly structure-based or description-based. Structure-based methods learn representations…

Computation and Language · Computer Science 2023-06-30 Xintao Wang , Qianyu He , Jiaqing Liang , Yanghua Xiao

Language model (LM) pretraining can learn various knowledge from text corpora, helping downstream tasks. However, existing methods such as BERT model a single document, and do not capture dependencies or knowledge that span across…

Computation and Language · Computer Science 2022-03-31 Michihiro Yasunaga , Jure Leskovec , Percy Liang

Most of the Natural Language Processing systems are involved in entity-based processing for several tasks like Information Extraction, Question-Answering, Text-Summarization and so on. A new challenge comes when entities play roles…

Computation and Language · Computer Science 2025-11-11 Neelesh Kumar Shukla , Sanasam Ranbir Singh