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Related papers: TaxoEnrich: Self-Supervised Taxonomy Completion vi…

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Taxonomies are semantic hierarchies of concepts. One limitation of current taxonomy learning systems is that they define concepts as single words. This position paper argues that contextualized word representations, which recently achieved…

Computation and Language · Computer Science 2019-02-07 Lukas Schmelzeisen , Steffen Staab

Knowledge graphs are used to represent relational information in terms of triples. To enable learning about domains, embedding models, such as tensor factorization models, can be used to make predictions of new triples. Often there is…

Machine Learning · Computer Science 2018-12-11 Bahare Fatemi , Siamak Ravanbakhsh , David Poole

Due to the lack of structured knowledge applied in learning distributed representation of categories, existing work cannot incorporate category hierarchies into entity information.~We propose a framework that embeds entities and categories…

Computation and Language · Computer Science 2016-05-16 Yuezhang Li , Ronghuo Zheng , Tian Tian , Zhiting Hu , Rahul Iyer , Katia Sycara

We introduce a new approach to unsupervised estimation of feature-rich semantic role labeling models. Our model consists of two components: (1) an encoding component: a semantic role labeling model which predicts roles given a rich set of…

Computation and Language · Computer Science 2014-12-10 Ivan Titov , Ehsan Khoddam

Taxonomies, which organize domain concepts into hierarchical structures, are crucial for building knowledge systems and downstream applications. As domain knowledge evolves, taxonomies need to be continuously updated to include new…

Computation and Language · Computer Science 2024-06-26 Fei Xia , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

In this work, we propose a new method to integrate two recent lines of work: unsupervised induction of shallow semantics (e.g., semantic roles) and factorization of relations in text and knowledge bases. Our model consists of two…

Computation and Language · Computer Science 2015-04-17 Ivan Titov , Ehsan Khoddam

The use of subword-level information (e.g., characters, character n-grams, morphemes) has become ubiquitous in modern word representation learning. Its importance is attested especially for morphologically rich languages which generate a…

Computation and Language · Computer Science 2019-05-07 Yi Zhu , Ivan Vulić , Anna Korhonen

Taxonomies are hierarchical knowledge graphs crucial for recommendation systems, and web applications. As data grows, expanding taxonomies is essential, but existing methods face key challenges: (1) discriminative models struggle with…

Computation and Language · Computer Science 2025-06-03 Sahil Mishra , Kumar Arjun , Tanmoy Chakraborty

Recognizing similarities among entities is central to both human cognition and computational intelligence. Within this broader landscape, Entity Set Expansion is one prominent task aimed at taking an initial set of (tuples of) entities and…

Artificial Intelligence · Computer Science 2026-01-08 Giovanni Amendola , Pietro Cofone , Marco Manna , Aldo Ricioppo

The use of background knowledge is largely unexploited in text classification tasks. This paper explores word taxonomies as means for constructing new semantic features, which may improve the performance and robustness of the learned…

Computation and Language · Computer Science 2020-12-01 Blaž Škrlj , Matej Martinc , Jan Kralj , Nada Lavrač , Senja Pollak

We propose a method that learns a discriminative yet semantic space for object categorization, where we also embed auxiliary semantic entities such as supercategories and attributes. Contrary to prior work which only utilized them as side…

Computer Vision and Pattern Recognition · Computer Science 2014-12-10 Sung Ju Hwang , Leonid Sigal

Current open-domain neural semantics parsers show impressive performance. However, closer inspection of the symbolic meaning representations they produce reveals significant weaknesses: sometimes they tend to merely copy character sequences…

Computation and Language · Computer Science 2024-09-19 Xiao Zhang , Gosse Bouma , Johan Bos

In this paper, we propose a hybrid technique for semantic question matching. It uses our proposed two-layered taxonomy for English questions by augmenting state-of-the-art deep learning models with question classes obtained from a deep…

Computation and Language · Computer Science 2021-01-21 Deepak Gupta , Rajkumar Pujari , Asif Ekbal , Pushpak Bhattacharyya , Anutosh Maitra , Tom Jain , Shubhashis Sengupta

Thanks to information extraction and semantic Web efforts, search on unstructured text is increasingly refined using semantic annotations and structured knowledge bases. However, most users cannot become familiar with the schema of…

Information Retrieval · Computer Science 2012-12-27 Uma Sawant , Soumen Chakrabarti

Due to the lack of structured knowledge applied in learning distributed representation of cate- gories, existing work cannot incorporate category hierarchies into entity information. We propose a framework that embeds entities and…

Computation and Language · Computer Science 2016-07-28 Yuezhang Li , Ronghuo Zheng , Tian Tian , Zhiting Hu , Rahul Iyer , Katia Sycara

Human-curated knowledge graphs provide critical supportive information to various natural language processing tasks, but these graphs are usually incomplete, urging auto-completion of them. Prevalent graph embedding approaches, e.g.,…

Computation and Language · Computer Science 2021-02-25 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

Entity resolution is a widely studied problem with several proposals to match records across relations. Matching textual content is a widespread task in many applications, such as question answering and search. While recent methods achieve…

Databases · Computer Science 2021-12-17 Naser Ahmadi , Hansjorg Sand , Paolo Papotti

The task of completing knowledge triplets has broad downstream applications. Both structural and semantic information plays an important role in knowledge graph completion. Unlike previous approaches that rely on either the structures or…

Computation and Language · Computer Science 2022-09-20 Jianhao Shen , Chenguang Wang , Linyuan Gong , Dawn Song

Modelling taxonomic and thematic relatedness is important for building AI with comprehensive natural language understanding. The goal of this paper is to learn more about how taxonomic information is structurally encoded in embeddings. To…

Computation and Language · Computer Science 2023-01-26 Filip Klubička , John D. Kelleher

Recent research has shown great progress on fine-grained entity typing. Most existing methods require pre-defining a set of types and training a multi-class classifier from a large labeled data set based on multi-level linguistic features.…

Computation and Language · Computer Science 2016-03-11 Lifu Huang , Jonathan May , Xiaoman Pan , Heng Ji