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Despite being vast repositories of factual information, cross-domain knowledge graphs, such as Wikidata and the Google Knowledge Graph, only sparsely provide short synoptic descriptions for entities. Such descriptions that briefly identify…

Computation and Language · Computer Science 2019-04-17 Rajarshi Bhowmik , Gerard de Melo

In some contexts, well-formed natural language cannot be expected as input to information or communication systems. In these contexts, the use of grammar-independent input (sequences of uninflected semantic units like e.g.…

Computation and Language · Computer Science 2007-05-23 Pascal Vaillant

This work presents the system ANITA (Analytic Tableau Proof Assistant) developed for teaching analytic tableaux to computer science students. The tool is written in Python and can be used as a desktop application, or in a web platform. This…

Logic in Computer Science · Computer Science 2023-03-13 Davi Romero Vasconcelos

In computational biology, biological entities such as genes or proteins are usually annotated with terms extracted from Gene Ontology (GO). The functional similarity among terms of an ontology is evaluated by using Semantic Similarity…

Computational Engineering, Finance, and Science · Computer Science 2014-12-24 Mario Cannataro , Pietro Hiram Guzzi , Marianna Milano , Pierangelo Veltri

In recent years, the size of big linked data has grown rapidly and this number is still rising. Big linked data and knowledge bases come from different domains such as life sciences, publications, media, social web, and so on. However, with…

Databases · Computer Science 2019-02-21 Feichen Shen

Reference corpus for word alignment is an important resource for developing and evaluating word alignment methods. For Myanmar-English language pairs, there is no reference corpus to evaluate the word alignment tasks. Therefore, we created…

Computation and Language · Computer Science 2019-09-26 Nway Nway Han , Aye Thida

We introduce an approach for open-domain question answering (QA) that retrieves and reads a passage graph, where vertices are passages of text and edges represent relationships that are derived from an external knowledge base or…

Computation and Language · Computer Science 2020-04-14 Sewon Min , Danqi Chen , Luke Zettlemoyer , Hannaneh Hajishirzi

Recently, graph neural networks (GNNs) have been shown powerful capacity at modeling structural data. However, when adapted to downstream tasks, it usually requires abundant task-specific labeled data, which can be extremely scarce in…

Machine Learning · Computer Science 2022-03-04 Yupeng Hou , Binbin Hu , Wayne Xin Zhao , Zhiqiang Zhang , Jun Zhou , Ji-Rong Wen

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

Information Retrieval · Computer Science 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

Counterfactual explanations promote explainability in machine learning models by answering the question "how should an input instance be perturbed to obtain a desired predicted label?". The comparison of this instance before and after…

Machine Learning · Computer Science 2022-11-09 Jing Ma , Ruocheng Guo , Saumitra Mishra , Aidong Zhang , Jundong Li

Much linguistic research relies on annotated datasets of features extracted from text corpora, but the rapid quantitative growth of these corpora has created practical difficulties for linguists to manually annotate large data samples. In…

Computation and Language · Computer Science 2025-04-11 Cameron Morin , Matti Marttinen Larsson

Semantic representations have long been argued as potentially useful for enforcing meaning preservation and improving generalization performance of machine translation methods. In this work, we are the first to incorporate information about…

Computation and Language · Computer Science 2020-06-23 Diego Marcheggiani , Jasmijn Bastings , Ivan Titov

Zero-shot entity retrieval, aiming to link mentions to candidate entities under the zero-shot setting, is vital for many tasks in Natural Language Processing. Most existing methods represent mentions/entities via the sentence embeddings of…

Computation and Language · Computer Science 2022-11-22 Taiqiang Wu , Xingyu Bai , Weigang Guo , Weijie Liu , Siheng Li , Yujiu Yang

Traditional search methods primarily depend on string matches, while semantic search targets concept-based matches by recognizing underlying intents and contextual meanings of search terms. Semantic search is particularly beneficial for…

Computation and Language · Computer Science 2024-10-02 Phillip Schneider , Florian Matthes

Question and answer (Q&A) platforms usually recommend question-answer pairs to meet users' knowledge acquisition needs, unlike traditional recommendations that recommend only one item. This makes user behaviors more complex, and presents…

Information Retrieval · Computer Science 2024-06-10 Changshuo Zhang , Teng Shi , Xiao Zhang , Yanping Zheng , Ruobing Xie , Qi Liu , Jun Xu , Ji-Rong Wen

Previous cross-lingual knowledge graph (KG) alignment studies rely on entity embeddings derived only from monolingual KG structural information, which may fail at matching entities that have different facts in two KGs. In this paper, we…

Machine Learning · Computer Science 2019-07-31 Kun Xu , Liwei Wang , Mo Yu , Yansong Feng , Yan Song , Zhiguo Wang , Dong Yu

Despite recent improvements in abstractive summarization, most current approaches generate summaries that are not factually consistent with the source document, severely restricting their trust and usage in real-world applications. Recent…

Computation and Language · Computer Science 2022-07-20 Leonardo F. R. Ribeiro , Mengwen Liu , Iryna Gurevych , Markus Dreyer , Mohit Bansal

Knowledge graphs (KGs) have been widely used for question answering (QA) applications, especially the entity based QA. However, searching an-swers from an entire large-scale knowledge graph is very time-consuming and it is hard to meet the…

Artificial Intelligence · Computer Science 2021-07-30 Shuangyong Song

The goal of entity matching in knowledge graphs is to identify entities that refer to the same real-world objects using some similarity metric. The result of entity matching can be seen as a set of entity pairs interpreted as the same-as…

Artificial Intelligence · Computer Science 2021-04-27 Jurian Baas , Mehdi Dastani , Ad Feelders

"Semantic Atlas" is a mathematic and statistic model to visualise word senses according to relations between words. The model, that has been applied to proximity relations from a corpus, has shown its ability to distinguish word senses as…

Information Retrieval · Computer Science 2015-06-22 Bernard Jacquemin , Sabine Ploux
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