{"id":4316,"date":"2020-01-31T09:42:25","date_gmt":"2020-01-31T08:42:25","guid":{"rendered":"http:\/\/230814-www.web.tornado-node.net\/?page_id=2"},"modified":"2025-12-12T12:45:26","modified_gmt":"2025-12-12T15:45:26","slug":"home","status":"publish","type":"page","link":"https:\/\/www.inf.ufrgs.br\/ontokg\/","title":{"rendered":"OntoKG"},"content":{"rendered":"\n<figure class=\"wp-block-image alignfull size-large mobile-cropped-image wp-duotone-unset-1\"><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"1409\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim.png\" alt=\"\" class=\"wp-image-4709\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim.png 2400w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim-300x176.png 300w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim-1024x601.png 1024w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim-768x451.png 768w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim-1536x902.png 1536w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/P-74-3-trim-2048x1202.png 2048w\" sizes=\"auto, (max-width: 2400px) 100vw, 2400px\" \/><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"description\">Description<\/h2>\n\n\n\n<p>Several important activities in the Oil and Gas (O&amp;G) production domain can benefit from the use of Artificial Intelligence, especially large language models, for information retrieval from various databases. For data to be used coherently, it must be contextualized, thus enabling the association of information from Operation systems and corporate databases. The use of domain ontologies enables data contextualization based on the common definition of entities, their properties, and connections, facilitating information retrieval with greater reliability and precision.<br>OntoKG seeks the development of a domain ontology applied to an O&amp;G production use case and the exploration of the domain ontology and knowledge graphs for information retrieval and contextualization to improve the fine-tuning and retrieval-augmented generation (RAG\/GraphRAG) processes in LLM applications. Moreover, the project also seeks the development of machine learning-based methods for automating the instantiation of the developed domain ontology<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"project_areas\">Project Areas<\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-478b6e6b wp-block-group-is-layout-grid\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-fe9cc265 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.inf.ufrgs.br\/ontokg\/index.php\/requirements-engineering\/\"><img loading=\"lazy\" decoding=\"async\" width=\"280\" height=\"100\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Requirements-Engineering-red.png\" alt=\"\" class=\"wp-image-4403\"\/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Requirements Engineering<\/h3>\n\n\n\n<p>Define functional and non-functional requirements aligned with operational needs<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-fe9cc265 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.inf.ufrgs.br\/ontokg\/index.php\/ontologies-and-knowledge-graphs\/\"><img loading=\"lazy\" decoding=\"async\" width=\"277\" height=\"130\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Ontologies-and-Knowledge-Graphs-red.png\" alt=\"\" class=\"wp-image-4404\"\/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ontologies and Knowledge Graphs<\/h3>\n\n\n\n<p>Develop the project&#8217;s domain ontology, enabling semantic queries and system integration.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group wp-container-content-69bc4bdf is-vertical is-layout-flex wp-container-core-group-is-layout-fe9cc265 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.inf.ufrgs.br\/ontokg\/index.php\/system-architecture\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"448\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/System-Architecture-red-1024x448.png\" alt=\"\" class=\"wp-image-4405\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/System-Architecture-red-1024x448.png 1024w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/System-Architecture-red-300x131.png 300w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/System-Architecture-red-768x336.png 768w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/System-Architecture-red-1536x673.png 1536w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/System-Architecture-red.png 1975w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">System Architecture<\/h3>\n\n\n\n<p>Design the project&#8217;s software architecture, infrastructure, and integration patterns.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-fe9cc265 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.inf.ufrgs.br\/ontokg\/index.php\/large-language-models-and-data-retrieval\/\"><img loading=\"lazy\" decoding=\"async\" width=\"278\" height=\"127\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Large-Language-Model-Data-Retrieval-red.png\" alt=\"\" class=\"wp-image-4406\"\/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Large Language Models and Data Retrieval<\/h3>\n\n\n\n<p>Research methods to automate ontology creation and instantiation<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"partners\">Academic Partners<\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-478b6e6b wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"656\" height=\"472\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/UFRGS-Logo.png\" alt=\"\" class=\"wp-image-4373\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/UFRGS-Logo.png 656w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/UFRGS-Logo-300x216.png 300w\" sizes=\"auto, (max-width: 656px) 100vw, 656px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full wp-container-content-69bc4bdf\"><img loading=\"lazy\" decoding=\"async\" width=\"913\" height=\"542\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Inf_black_logo.png\" alt=\"\" class=\"wp-image-4374\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Inf_black_logo.png 913w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Inf_black_logo-300x178.png 300w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Inf_black_logo-768x456.png 768w\" sizes=\"auto, (max-width: 913px) 100vw, 913px\" \/><\/figure>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Industrial Partners<\/h2>\n\n\n\n<div class=\"wp-block-group is-layout-grid wp-container-core-group-is-layout-478b6e6b wp-block-group-is-layout-grid\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"542\" height=\"300\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/petrobras-logo.png\" alt=\"\" class=\"wp-image-4370\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/petrobras-logo.png 542w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/petrobras-logo-300x166.png 300w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/figure>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Description Several important activities in the Oil and Gas (O&amp;G) production domain can benefit from the use of Artificial Intelligence, especially large language models, for information retrieval from various databases. For data to be used coherently, it must be contextualized, thus enabling the association of information from Operation systems and corporate databases. The use of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4316","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OntoKG - ontokg<\/title>\n<meta name=\"description\" content=\"OntoKG project main page. 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