{"id":244930,"date":"2026-03-12T09:35:24","date_gmt":"2026-03-12T08:35:24","guid":{"rendered":"https:\/\/graphwise.ai\/?post_type=blog-post&#038;p=244930"},"modified":"2026-07-10T05:37:25","modified_gmt":"2026-07-10T03:37:25","slug":"check-the-fakes-or-how-ai-and-knowledge-graphs-bring-information-integrity","status":"publish","type":"blog-post","link":"https:\/\/gws-sso-test.graphwise.ai\/de\/blog\/check-the-fakes-or-how-ai-and-knowledge-graphs-bring-information-integrity\/","title":{"rendered":"Check the Fakes or How AI and Knowledge Graphs Bring Information Integrity"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The World Economic Forum&nbsp;<a href=\"https:\/\/reports.weforum.org\/docs\/WEF_Global_Risks_Report_2025.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Global Risks Report<\/a>&nbsp;ranks&nbsp;<strong>misinformation and disinformation<\/strong>&nbsp;among the five most impactful&nbsp;<strong>technological risks for the next 10 years<\/strong>. While the rise of GenAI technologies has made the work of malicious actors more convincing and prolific, the \u201cgood guys\u201d have also harnessed their AI faculties to fight back.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Graphwise has had its share in addressing this growing societal challenge through leveraging its semantic technology and AI research expertise in EC-funded initiatives. In the last three years, our Innovation team has led the development of AI-based tooling to empower:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fact-checkers and disinformation researchers<\/strong>&nbsp;(in&nbsp;<a href=\"https:\/\/www.veraai.eu\/\" target=\"_blank\" rel=\"noreferrer noopener\">vera.ai<\/a>,&nbsp;<a href=\"https:\/\/brodhub.eu\/\" target=\"_blank\" rel=\"noreferrer noopener\">BROD<\/a>,&nbsp;<a href=\"https:\/\/efcsn.com\/factcricis\/\" target=\"_blank\" rel=\"noreferrer noopener\">FactCRICIS<\/a>)<\/li>\n\n\n\n<li><strong>Police authorities<\/strong>&nbsp;(in&nbsp;<a href=\"https:\/\/www.vigilantproject.eu\/\" target=\"_blank\" rel=\"noreferrer noopener\">VIGILANT<\/a>)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks to&nbsp;<strong>identifying concepts, events, and similar narratives and interlinking them in a&nbsp;<a href=\"https:\/\/gws-sso-test.graphwise.ai\/fundamentals\/what-is-a-knowledge-graph\/\" target=\"_blank\" rel=\"noreferrer noopener\">knowledge graph<\/a><\/strong>, this tooling helps unlock new analytical capabilities across multiple languages. We have integrated all these capabilities in the Database of Known Fakes (DBKF) and have made them accessible through a user-friendly interface. It makes it easy to double-check whether a claim has already been debunked by trusted fact-checkers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now, let\u2019s put ourselves in the shoes of the user and take a closer look at our tooling. We\u2019ll follow the investigative journey of an analyst interested in some misleading stories around renewable energy.<\/p>\n\n\n\n<h2 id='linking-and-discovering-concepts-across-languages'  id=\"boomdevs_1\" class=\"wp-block-heading\" id=\"linking-and-discovering-concepts-across-languages\">Linking and discovering concepts across languages<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Our analyst conducts his study in a multilingual setting and on a large dataset. So, he needs to be sure that the results he gets from this database will&nbsp;<strong>contain the same concept<\/strong>, \u201crenewable energy\u201d, across all languages of the dataset. To address such a need, we have designed a&nbsp;<strong>multilingual entity linking model<\/strong>. It detects, disambiguates, and links named entities and other general concepts mentioned in text to a common knowledge base (Wikidata) across different languages. The connections between the instances of concepts in the different languages are stored in the knowledge graph so our DBKF can respond to the \u201crenewable energy\u201d query in the blink of an eye.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This interlinking of the information in the knowledge graph allows for&nbsp;<strong>deriving additional insights<\/strong>. For example, which concepts are mentioned together with the queried one. Or in what context the queried concept occurs or how its mentions are distributed over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DBKF provides a visual way of exploring all these aspects, including concept \u201cquotes\u201d (excerpts from the text with the immediate context) as shown in the screenshots below.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"684\" height=\"496\" data-id=\"249856\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Concept-quote-1.png\" alt=\"\" class=\"wp-image-249856\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Concept-quote-1.png 684w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Concept-quote-1-480x348.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 684px, 100vw\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"688\" height=\"510\" data-id=\"249857\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Concept-quote-2.png\" alt=\"\" class=\"wp-image-249857\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Concept-quote-2.png 688w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Concept-quote-2-480x356.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 688px, 100vw\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Based on the currently available data in the DBKF repository, our analyst can&nbsp;<strong>unravel some interesting and very different stories<\/strong>. For example, in the German context, the misleading statements revolve around how renewable energy installations are not capable of a black start after a blackout. It also talks about the allegedly non-recyclable rotor blades of wind turbines or speculates about carbon tax. The Polish context, on the other hand, offers misinformation about the Polish government\u2019s achievements in increasing the share of renewable energy in the country\u2019s energy mix.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This brings us to the next useful enrichment of the data: detecting not only objects or subjects, but related actions.<\/p>\n\n\n\n<h2 id='spotlighting-real-life-events'  id=\"boomdevs_2\" class=\"wp-block-heading\" id=\"spotlighting-real-life-events\">Spotlighting real-life events<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For the needs of our target end users in the VIGILANT project (police authorities analyzing disinformation that has the potential to instigate criminal activity), we developed a&nbsp;<strong>state-of-the-art event extraction algorithm<\/strong>. It helps them uncover who did what, when, where, and why.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We built upon the&nbsp;<a href=\"https:\/\/github.com\/luyaojie\/Text2Event\" target=\"_blank\" rel=\"noreferrer noopener\">Text2Event<\/a>&nbsp;transformer model, which is pre-trained to detect 33 event types. In order to address some of the most common narratives found in disinformation content, we fine-tuned the model to extract 3 additional event types. These included pinpointing claims of miracle cures, severe weather phenomena, and regulatory or legislative changes that affect a broader subset of society, such as the Paris accords or the introduction of vaccine passports.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So now our fictional analyst may want to find out if events such as \u201cattack\u201d, \u201cdie\u201d, and \u201cinjure\u201d get frequently associated with his research. Claims like \u201cfalling blades from failing wind farms could be launched your way at any moment\u201d could mislead people into believing that if they live near wind turbines, they are at risk of injury or death. Similarly, information that solar panels cause fire outbreaks raises questions about their safety.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In DBKF, we provide excerpts with event \u201cquotes\u201d, highlighting the word that denotes the event trigger. You can see some examples in the following screenshots.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"670\" height=\"444\" data-id=\"249862\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Event-quote-1-1.png\" alt=\"\" class=\"wp-image-249862\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Event-quote-1-1.png 670w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Event-quote-1-1-480x318.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 670px, 100vw\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"676\" height=\"394\" data-id=\"249863\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Event-quote-2-1.png\" alt=\"\" class=\"wp-image-249863\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Event-quote-2-1.png 676w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Event-quote-2-1-480x280.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 676px, 100vw\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Although they are not highlighted, we also store the event arguments (actors, targets, places and so on), which can be used to f<strong>urther filter the identified events<\/strong>. This information is interlinked with the raw text in the claims (the short misleading statements), the claim reviews (the whole debunking articles), and the extracted concepts in the knowledge graph. This is illustrated in the following diagram.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-premium-text premium-text-1daeacfbb0ac premium-text\"><p class=\"premium-text-wrap\"><img decoding=\"async\" width=\"1594\" height=\"814\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/01\/KG-diagram.png 1594w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/01\/KG-diagram-1280x654.png 1280w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/01\/KG-diagram-980x500.png 980w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/01\/KG-diagram-480x245.png 480w\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/01\/KG-diagram.png\" alt=\"KG diagram\"><br><br><\/p><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">This offers great flexibility in terms of designing complex faceted searches. Analysis of results from such searches can offer additional insights about narratives within and across documents that were previously hidden. This opens up a new level of content analysis, in which we can group similar stories.<\/p>\n\n\n\n<h2 id='identifying-clusters-of-similar-content'  id=\"boomdevs_3\" class=\"wp-block-heading\" id=\"identifying-clusters-of-similar-content\">Identifying clusters of similar content<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">While the disinformation covered by debunks globally varies greatly, there is also a significant overlap in the key concepts addressed by debunks. This is because disinformation actors tend to reuse content and adapt it to specific contexts but leave the underlying message the same. These patterns are very useful to detect when tracing the spatio-temporal dynamics of disinformation campaigns and narratives. Such an analysis can be relevant in other domains, which require identifying and grouping similar pieces of textual content across different languages, geographical regions, and time periods.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our Innovation team has devised a&nbsp;sophisticated clustering algorithm, intended to produce clusters of closely tied claims. It was specifically chosen for its ability to&nbsp;handle large datasets and multilingual data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The cluster building process follows four main steps:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Document chunking and embedding calculation<\/strong>&nbsp;to capture the semantic information of the text<\/li>\n\n\n\n<li><strong>Cluster creation<\/strong>&nbsp;with a GPU-enabled version of the&nbsp;<a href=\"https:\/\/github.com\/rapidsai\/cuml\" target=\"_blank\" rel=\"noreferrer noopener\">HDBSCAN algorithm<\/a><\/li>\n\n\n\n<li><strong>Cluster naming<\/strong>&nbsp;using a local Small Language Model<\/li>\n\n\n\n<li><strong>Cluster metadata calculation<\/strong>&nbsp;based on the knowledge graph. This metadata includes key concepts, authors, languages, and the start and end dates of cluster activity. Such information enriches the clusters, providing valuable context and insights for further analysis.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The DBKF user interface enables our analyst to explore the relevant clusters and the associated metadata. It also helps track the evolution of the narrative through an intuitive timeline visualization like the one shown in the screenshot below.<\/p>\n\n\n\n<div class=\"wp-block-premium-text premium-text-3e8dcdc2163d premium-text\"><p class=\"premium-text-wrap\"><img decoding=\"async\" width=\"2560\" height=\"1253\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/ClusterView-ComparativeEnergyCosts-scaled.png 2560w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/ClusterView-ComparativeEnergyCosts-1280x627.png 1280w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/ClusterView-ComparativeEnergyCosts-980x480.png 980w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/ClusterView-ComparativeEnergyCosts-480x235.png 480w\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/ClusterView-ComparativeEnergyCosts-scaled.png\" alt=\"ClusterView-ComparativeEnergyCosts\"><br><\/p><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Going one level up (before this cluster view deep-dive) the user can see listed all the recurring narratives. They revolve around misconceptions about renewable energy sustainability, common causes of blackouts in renewable energy systems, inconsistencies in renewable energy targets and achievements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At this point of his investigative journey, our analyst may want to explore this tooling in other ways such as aggregations or breakdowns by language. Or he may be interested in other metadata and enrichments. This is where our trusted AI assistant: the&nbsp;<strong>DBKF chatbot<\/strong>&nbsp;comes in.<\/p>\n\n\n\n<h2 id='querying-data-with-the-help-of-an-ai-assistant'  id=\"boomdevs_4\" class=\"wp-block-heading\" id=\"Querying-data-with-the-help-of-an-AI-assistant\">Querying data with the help of an AI assistant<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We have built a&nbsp;<a href=\"https:\/\/gws-sso-test.graphwise.ai\/blog\/graphdb-talk-to-your-graph-customized-agent\/\">customized AI agent<\/a>&nbsp;based on GraphDB\u2019s Talk to Your Graph functionality. This agentic chatbot has access to all the search functionalities available through the DBKF user interface, as well as direct database access. It is designed to help users&nbsp;<strong>perform complex, multi-tool interrogations of the data<\/strong>, providing a more interactive and guided experience.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The DBKF chatbot is prompted to answer requests only related to the contents of the database and to base its reasoning on the information available in the underlying knowledge graph. Grounding the AI agent through the knowledge graph ensures factuality and explainability of answers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our analyst can feel at ease talking to the AI assistant in whatever natural language he prefers. In this way, he will&nbsp;<strong>gain deeper insights on the topic of his research<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The conversation with the chatbot can serve as his entry point into the rich capabilities of DBKF as well as an incremental introduction to its advanced features. Retrieving the ten biggest claim clusters discussing renewable energy can be the start of a more in-depth exchange, spanning all the possible connections in the database (see the screenshot below).<\/p>\n\n\n\n<div class=\"wp-block-premium-text premium-text-08b44c791a8d premium-text\"><p class=\"premium-text-wrap\"><img decoding=\"async\" width=\"1803\" height=\"1303\" srcset=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Sample-chatbot-conversation.png 1803w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Sample-chatbot-conversation-1280x925.png 1280w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Sample-chatbot-conversation-980x708.png 980w, https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Sample-chatbot-conversation-480x347.png 480w\" src=\"https:\/\/gws-sso-test.graphwise.ai\/wp-content\/uploads\/2026\/03\/Sample-chatbot-conversation.png\" alt=\"Sample chatbot conversation\"><\/p><\/div>\n\n\n\n<h2 id='conclusion'  id=\"boomdevs_5\" class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Through our work in the counter-disinformation projects, we have developed practical solutions for users, who need to perform analysis on a huge amount of data in multilingual settings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By identifying and using the connections between concepts, events, and similar stories, we can facilitate the exploration of data in other domains in addition to media content. Providing structure and grounding for the AI agent through the knowledge graph, we ensure accurate and trustworthy answers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Curious to see how this tooling works in action?<\/strong><\/p>\n\n\n\n<div class=\"hs-cta-embed hs-cta-simple-placeholder hs-cta-embed-209372225082\"\n  style=\"max-width:100%; max-height:100%; width:700px;height:274.4375px\" data-hubspot-wrapper-cta-id=\"209372225082\">\n  <a href=\"https:\/\/cta-service-cms2.hubspot.com\/web-interactives\/public\/v1\/track\/redirect?encryptedPayload=AVxigLL1QhjXs%2FNlnU6RZXfp2qdQR6AwvKQA0jlE4dWegyIyqALqMiKcVxIFg4nHDahcM%2BgXhLieqppSrLkwn5bLBwduPkElPsDLOZ%2BjN7mFu1NyR7k6HMxALo4%2BUVf8hBXs%2BRqFc1h19hKt8vXpzPHphi8RlkpacjuEFlvYZiCxkAKHd7HfhGOPvXYi%2B%2FJ%2BnQKth3tLy9MUXZCjwPMrK65PWR7gtgGpE3EnP6%2FHFMY%2B4ThMKVtZXNY%3D&#038;webInteractiveContentId=209372225082&#038;portalId=5619976\" target=\"_blank\" rel=\"noopener\" crossorigin=\"anonymous\">\n    <img decoding=\"async\" alt=\"On-demand webinar:  GraphRAG That Doesn\u2019t Lie: Building Agents You Can Trust  \" loading=\"lazy\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/5619976\/interactive-209372225082.png\" style=\"height: 100%; width: 100%; object-fit: fill\"\n      onerror=\"this.style.display='none'\" \/>\n  <\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Read about Graphwise\u2019s contributions to EC-funded projects on combatting disinformation","protected":false},"author":10,"featured_media":245195,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","_EventAllDay":false,"_EventTimezone":"","_EventStartDate":"","_EventEndDate":"","_EventStartDateUTC":"","_EventEndDateUTC":"","_EventShowMap":false,"_EventShowMapLink":false,"_EventURL":"","_EventCost":"","_EventCostDescription":"","_EventCurrencySymbol":"","_EventCurrencyCode":"","_EventCurrencyPosition":"","_EventDateTimeSeparator":"","_EventTimeRangeSeparator":"","_EventOrganizerID":[],"_EventVenueID":[],"_OrganizerEmail":"","_OrganizerPhone":"","_OrganizerWebsite":"","_VenueAddress":"","_VenueCity":"","_VenueCountry":"","_VenueProvince":"","_VenueState":"","_VenueZip":"","_VenuePhone":"","_VenueURL":"","_VenueStateProvince":"","_VenueLat":"","_VenueLng":"","_VenueShowMap":false,"_VenueShowMapLink":false},"categories":[152,478,127,21],"tags":[],"persona":[],"resource-category":[17],"blog-category":[],"ppma_author":[82],"class_list":["post-244930","blog-post","type-blog-post","status-publish","has-post-thumbnail","hentry","category-ai-in-action","category-analytics","category-enrichment","category-graph-rag","resource-category-blog-post"],"acf":[],"yoast_head":"<!-- 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