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Textual information is considered as significant supplement to knowledge representation learning (KRL). There are two main challenges for constructing knowledge representations from plain texts: (1) How to take full advantages of sequential…

Computation and Language · Computer Science 2016-09-23 Jiawei Wu , Ruobing Xie , Zhiyuan Liu , Maosong Sun

Challenging problems such as open-domain question answering, fact checking, slot filling and entity linking require access to large, external knowledge sources. While some models do well on individual tasks, developing general models is…

Decision-making usually takes five steps: identifying the problem, collecting data, extracting evidence, identifying pro and con arguments, and making decisions. Focusing on extracting evidence, this paper presents a hybrid model that…

Information Retrieval · Computer Science 2021-02-04 Patrick Abels , Zahra Ahmadi , Sophie Burkhardt , Benjamin Schiller , Iryna Gurevych , Stefan Kramer

Lexical substitution is the task of generating meaningful substitutes for a word in a given textual context. Contextual word embedding models have achieved state-of-the-art results in the lexical substitution task by relying on contextual…

Machine Learning · Computer Science 2022-04-04 George Michalopoulos , Ian McKillop , Alexander Wong , Helen Chen

Large language models hallucinate factual claims and struggle to ground their outputs in retrievable evidence, particularly in non-English languages. Existing resources impose a trade-off: structured knowledge bases lack textual grounding,…

Computation and Language · Computer Science 2026-05-15 Yingli Shen , Wen Lai , Jie Zhou , Xueren Zhang , Yudong Wang , Kangyang Luo , Shuo Wang , Ge Gao , Alexander Fraser , Maosong Sun

Large Language Models (LLMs) have received considerable interest in wide applications lately. During pre-training via massive datasets, such a model implicitly memorizes the factual knowledge of trained datasets in its hidden parameters.…

Computation and Language · Computer Science 2024-11-15 Yihe Zhang , Nabin Pakka , Nian-Feng Tzeng

We propose a novel, path-based reasoning approach for the multi-hop reading comprehension task where a system needs to combine facts from multiple passages to answer a question. Although inspired by multi-hop reasoning over knowledge…

Computation and Language · Computer Science 2019-07-10 Souvik Kundu , Tushar Khot , Ashish Sabharwal , Peter Clark

This paper studies the problem of predicting missing relationships between entities in knowledge graphs through learning their representations. Currently, the majority of existing link prediction models employ simple but intuitive scoring…

Computation and Language · Computer Science 2019-11-20 Xiang Kong , Xianyang Chen , Eduard Hovy

Deep learning currently dominates the benchmarks for various NLP tasks and, at the basis of such systems, words are frequently represented as embeddings --vectors in a low dimensional space-- learned from large text corpora and various…

Computation and Language · Computer Science 2019-09-25 Ronald Denaux , Jose Manuel Gomez-Perez

Neuro-symbolic hybrid systems are promising for integrating machine learning and symbolic reasoning, where perception models are facilitated with information inferred from a symbolic knowledge base through logical reasoning. Despite…

Artificial Intelligence · Computer Science 2024-01-24 Lue Tao , Yu-Xuan Huang , Wang-Zhou Dai , Yuan Jiang

Although traditional symbolic reasoning methods are highly interpretable, their application in knowledge graphs link prediction has been limited due to their computational inefficiency. A new RNNNTP method is proposed in this paper, using a…

Machine Learning · Computer Science 2022-03-15 Yu-hao Wu , Hou-biao Li

We describe a novel way of representing a symbolic knowledge base (KB) called a sparse-matrix reified KB. This representation enables neural modules that are fully differentiable, faithful to the original semantics of the KB, expressive…

Computation and Language · Computer Science 2020-02-17 William W. Cohen , Haitian Sun , R. Alex Hofer , Matthew Siegler

The transformer is a state-of-the-art neural translation model that uses attention to iteratively refine lexical representations with information drawn from the surrounding context. Lexical features are fed into the first layer and…

Computation and Language · Computer Science 2019-07-01 Denis Emelin , Ivan Titov , Rico Sennrich

Neural network techniques are widely applied to obtain high-quality distributed representations of words, i.e., word embeddings, to address text mining, information retrieval, and natural language processing tasks. Recently, efficient…

Computation and Language · Computer Science 2014-09-08 Qing Cui , Bin Gao , Jiang Bian , Siyu Qiu , Tie-Yan Liu

Multimodal search-based dialogue is a challenging new task: It extends visually grounded question answering systems into multi-turn conversations with access to an external database. We address this new challenge by learning a neural…

Computation and Language · Computer Science 2018-11-22 Shubham Agarwal , Ondrej Dusek , Ioannis Konstas , Verena Rieser

Understanding the relations between entities denoted by NPs in a text is a critical part of human-like natural language understanding. However, only a fraction of such relations is covered by standard NLP tasks and benchmarks nowadays. In…

Computation and Language · Computer Science 2022-04-12 Yanai Elazar , Victoria Basmov , Yoav Goldberg , Reut Tsarfaty

In the rapidly advancing realm of educational technology, it becomes critical to accurately trace and understand student knowledge states. Conventional Knowledge Tracing (KT) models have mainly focused on binary responses (i.e., correct and…

Artificial Intelligence · Computer Science 2024-08-26 Soonwook Park , Donghoon Lee , Hogun Park

Natural Language Inference (NLI) is fundamental to many Natural Language Processing (NLP) applications including semantic search and question answering. The NLI problem has gained significant attention thanks to the release of large scale,…

Retrieval augmented language models have recently become the standard for knowledge intensive tasks. Rather than relying purely on latent semantics within the parameters of large neural models, these methods enlist a semi-parametric memory…

Computation and Language · Computer Science 2023-01-24 Wenhu Chen , Pat Verga , Michiel de Jong , John Wieting , William Cohen

A central challenge for cognitive science is to explain how abstract concepts are acquired from limited experience. This has often been framed in terms of a dichotomy between connectionist and symbolic cognitive models. Here, we highlight a…

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