{"id":4424,"date":"2026-10-12T22:33:56","date_gmt":"2026-10-13T01:33:56","guid":{"rendered":"https:\/\/www.inf.ufrgs.br\/ontokg\/?page_id=4424"},"modified":"2026-10-13T21:42:48","modified_gmt":"2026-10-14T00:42:48","slug":"kg-engineering-and-data-retrieval","status":"publish","type":"page","link":"https:\/\/www.inf.ufrgs.br\/ontokg\/index.php\/kg-engineering-and-data-retrieval\/","title":{"rendered":"KG Engineering and Data Retrieval"},"content":{"rendered":"\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<p style=\"text-align:justify\">KG Engineering and Information Retrieval develops methods and tools to construct, integrate, enrich, and query knowledge graphs that connect heterogeneous industrial information. Building on the semantic foundation provided by domain ontologies, this area investigates data mapping, interoperability between graph representations, entity linking, and retrieval strategies that combine textual, vector, and graph-based information. Its research also explores natural-language-to-SPARQL translation, RAG and GraphRAG, context selection, and the evaluation of whether retrieved evidence is sufficient to support an answer. Within OntoKG, this area connects structured knowledge to users\u2019 information needs, helping them navigate relationships among equipment, processes, and operational records. By investigating retrieval quality and the factual support of generated answers, it aims to make technical information easier to access and more useful for analyzing incidents that may affect production capacity.<\/p>\n\n\n<div style=\"height:19px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Team<\/strong><\/h1>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading underline-red\"><strong>Current team<\/strong><\/h3>\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 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 has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Joel-768x1024.jpg\" alt=\"\" class=\"wp-image-4593\" style=\"border-radius:10px\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Joel-768x1024.jpg 768w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Joel-225x300.jpg 225w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/10\/Joel.jpg 879w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Joel Luis Carbonera<\/h4>\n\n\n\n<p>Ph.D.<\/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 has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"237\" height=\"316\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/Karin.png\" alt=\"\" class=\"wp-image-4618\" style=\"border-radius:10px\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/Karin.png 237w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/Karin-225x300.png 225w\" sizes=\"auto, (max-width: 237px) 100vw, 237px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Karin Becker<\/h4>\n\n\n\n<p>D.Sc.<\/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-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/tiago-768x1024.png\" alt=\"\" class=\"wp-image-4668\" style=\"border-radius:10px\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/tiago-768x1024.png 768w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/tiago-225x300.png 225w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/tiago.png 894w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Tiago Rios da Rocha<\/h4>\n\n\n\n<p>Ph.D. candidate<\/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 has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/cadu-768x1024.png\" alt=\"\" class=\"wp-image-4669\" style=\"border-radius:10px\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/cadu-768x1024.png 768w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/cadu-225x300.png 225w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2025\/11\/cadu.png 960w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Carlos Eduardo Ant\u00f4nio Ferreira<\/h4>\n\n\n\n<p>Ph.D. candidate<\/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 is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"200\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/1712408130367.jpg\" alt=\"\" class=\"wp-image-4841\" style=\"border-radius:10px;width:209px\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Eduardo Fonseca da Silva<\/h4>\n\n\n\n<p>B.Sc. Student<\/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 is-resized has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1995\" height=\"2560\" src=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-scaled.jpeg\" alt=\"\" class=\"wp-image-4848\" style=\"border-radius:10px;width:215px;height:auto\" srcset=\"https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-scaled.jpeg 1995w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-234x300.jpeg 234w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-798x1024.jpeg 798w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-768x986.jpeg 768w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-1197x1536.jpeg 1197w, https:\/\/www.inf.ufrgs.br\/ontokg\/wp-content\/uploads\/2026\/08\/Foto_Ana-1596x2048.jpeg 1596w\" sizes=\"auto, (max-width: 1995px) 100vw, 1995px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Ana Paula Militz Dorneles<\/h4>\n\n\n\n<p>M.Sc. Student<\/p>\n<\/div>\n\n\n\n<p><\/p>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>KG Engineering and Information Retrieval develops methods and tools to construct, integrate, enrich, and query knowledge graphs that connect heterogeneous industrial information. Building on the semantic foundation provided by domain ontologies, this area investigates data mapping, interoperability between graph representations, entity linking, and retrieval strategies that combine textual, vector, and graph-based information. Its research also [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4424","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>KG Engineering and Data Retrieval - ontokg<\/title>\n<meta name=\"description\" content=\"Information about the Large Language Models and Data Retrieval team on the OntoKG project. 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