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Ontology alignment, a critical process in the Semantic Web for detecting relationships between different ontologies, has traditionally focused on identifying so-called "simple" 1-to-1 relationships through class labels and properties…

Artificial Intelligence · Computer Science 2024-07-24 Reihaneh Amini , Sanaz Saki Norouzi , Pascal Hitzler , Reza Amini

The terms 'semantics' and 'ontology' are increasingly appearing together with 'explanation', not only in the scientific literature, but also in organizational communication. However, all of these terms are also being significantly…

Artificial Intelligence · Computer Science 2023-04-24 Giancarlo Guizzardi , Nicola Guarino

Ontologies play a crucial role in organizing and representing knowledge. However, even current ontologies do not encompass all relevant concepts and relationships. Here, we explore the potential of large language models (LLM) to expand an…

Computation and Language · Computer Science 2023-11-14 Antonio Zaitoun , Tomer Sagi , Szymon Wilk , Mor Peleg

Modern information systems are changing the idea of "data processing" to the idea of "concept processing", meaning that instead of processing words, such systems process semantic concepts which carry meaning and share contexts with other…

Computation and Language · Computer Science 2018-11-09 Roger Granada , Renata Vieira , Cassia Trojahn , Nathalie Aussenac-Gilles

In this paper, we champion the use of structured and semantic content representation of discourse-based scholarly communication, inspired by tools like Wikipedia infoboxes or structured Amazon product descriptions. These representations…

Computation and Language · Computer Science 2024-01-19 Mahsa Shamsabadi , Jennifer D'Souza , Sören Auer

The existing information retrieval techniques do not consider the context of the keywords present in the user's queries. Therefore, the search engines sometimes do not provide sufficient information to the users. New methods based on the…

Information Retrieval · Computer Science 2010-04-28 M. Barathi , S. Valli

In this paper, we describe an approach to populate an existing ontology with instance information present in the natural language text provided as input. An ontology is defined as an explicit conceptualization of a shared domain. This…

Information Retrieval · Computer Science 2013-02-07 Raghu Anantharangachar , Srinivasan Ramani , S Rajagopalan

Contextual Relation Extraction (CRE) is mainly used for constructing a knowledge graph with a help of ontology. It performs various tasks such as semantic search, query answering, and textual entailment. Relation extraction identifies the…

Computation and Language · Computer Science 2023-09-14 R. Priyadharshini , G. Jeyakodi , P. Shanthi Bala

State-of-the-art task-oriented dialogue systems typically rely on task-specific ontologies for fulfilling user queries. The majority of task-oriented dialogue data, such as customer service recordings, comes without ontology and annotation.…

Computation and Language · Computer Science 2025-03-10 Renato Vukovic , David Arps , Carel van Niekerk , Benjamin Matthias Ruppik , Hsien-Chin Lin , Michael Heck , Milica Gašić

Because of the data deluge in scientific publication, finding relevant information is getting harder and harder for researchers and readers. Building an enhanced scientific search engine by taking semantic relations into account poses a…

Information Retrieval · Computer Science 2017-09-29 Bastien Latard , Jonathan Weber , Germain Forestier , Michel Hassenforder

The SemanticWeb emerged as an extension to the traditional Web, towards adding meaning to a distributed Web of structured and linked data. At its core, the concept of ontology provides the means to semantically describe and structure…

Artificial Intelligence · Computer Science 2021-05-03 Konstantinos Sikelis , George E Tsekouras , Konstantinos I Kotis

Ontologies are a popular way of representing domain knowledge, in particular, knowledge in domains related to life sciences. (Semi-)automating the process of building an ontology has attracted researchers from different communities into a…

Artificial Intelligence · Computer Science 2021-03-26 Ana Ozaki

This paper presents a procedure to retrieve subsets of relevant documents from large text collections for Content Analysis, e.g. in social sciences. Document retrieval for this purpose needs to take account of the fact that analysts often…

Information Retrieval · Computer Science 2017-07-12 Gregor Wiedemann , Andreas Niekler

Experimental research publications provide figure form resources including graphs, charts, and any type of images to effectively support and convey methods and results. To describe figures, authors add captions, which are often incomplete,…

Computation and Language · Computer Science 2022-08-15 Gilchan Park , Julia Rayz , Line Pouchard

Today's conventional search engines hardly do provide the essential content relevant to the user's search query. This is because the context and semantics of the request made by the user is not analyzed to the full extent. So here the need…

Information Retrieval · Computer Science 2012-07-25 Swathi Rajasurya , Tamizhamudhu Muralidharan , Sandhiya Devi , S. Swamynathan

Relation extraction is a crucial task in natural language processing, with broad applications in knowledge graph construction and literary analysis. However, the complex context and implicit expressions in novel texts pose significant…

Computation and Language · Computer Science 2025-07-08 Yuchen Yan , Hanjie Zhao , Senbin Zhu , Hongde Liu , Zhihong Zhang , Yuxiang Jia

Traditional information retrieval systems represent documents and queries by keyword sets. However, the content of a document or a query is mainly defined by both keywords and named entities occurring in it. Named entities have ontological…

Information Retrieval · Computer Science 2018-07-17 Vuong M. Ngo , Tru H. Cao

Semantic parsing methods are used for capturing and representing semantic meaning of text. Meaning representation capturing all the concepts in the text may not always be available or may not be sufficiently complete. Ontologies provide a…

Artificial Intelligence · Computer Science 2016-01-06 Janez Starc , Dunja Mladenić

Ontologies are widely used for representing domain knowledge and meta data, playing an increasingly important role in Information Systems, the Semantic Web, Bioinformatics and many other domains. However, logical reasoning that ontologies…

Artificial Intelligence · Computer Science 2025-04-08 Jiaoyan Chen , Olga Mashkova , Fernando Zhapa-Camacho , Robert Hoehndorf , Yuan He , Ian Horrocks

A challenge of managing and extracting useful knowledge from social media data sources has attracted much attention from academic and industry. To address this challenge, semantic analysis of textual data is focused in this paper. We…

Information Retrieval · Computer Science 2018-07-09 Pornpit Wongthontham , Bilal Abu-Salih