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# semafora

## Sitemaps
- [XML Sitemap](https://semafora-systems.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Beiträge
- [Digital twin: understand the model, explain the decision](https://semafora-systems.com/digital-twin-understand-the-model-explain-the-decision/): Understand the model. Explain the decision. See how an ObjectLogic cooling-system model makes equipment relationships, engineering rules and the reasons for a result explicit and testable.
- [semafora releases OntoBroker 7](https://semafora-systems.com/semafora-releases-ontobroker-7/): OntoBroker 7 is commercially available: enterprise ObjectLogic reasoning on Java 21, secure integration, protected knowledge and modern operations.
- [Nested prefix and postfix extension in OntoStudio-X](https://semafora-systems.com/test/): Nested prefix and postfix extension for predicates and frames available in OntoStudio-X
- [A look into the black box: traceability of AI algorithms in practice](https://semafora-systems.com/a-look-into-the-black-box-traceability-of-ai-algorithms-in-practice/): semafora is collaborating in the creation of the new Bitkom study "A look into the black box: traceability of AI algorithms in practice"
- [semafora releases OntoStudio X – a radical new hybrid semantic AI IDE](https://semafora-systems.com/semafora-releases-ontostudio-x-a-radical-new-hybrid-semantic-ai-ide/): The basic idea driving OntoStudio X is that many competing IT approaches have strengths and weaknesses. Nowhere else, however, is it as easy as in IT to bring the respective strengths of the systems together (if done in a smart way).
- [New Built-ins available for OntoBroker](https://semafora-systems.com/new-built-ins-available-for-ontobroker/): Built-ins are the data processing components of OntoBroker on whose processing results the defined logic functions then draw the appropriate conclusions (the reasoning). Built-ins can also be created by the user and can thus significantly extend the functionality of OntoBroker. All built-ins are written in Java and can be added hot-pluggable.
- [EU-GDPR: State-of-the-Art Anonymisation and Pseudonymisation of Data](https://semafora-systems.com/eu-gdpr-state-of-the-art-anonymisation-and-pseudonymisation-of-data/): Question: How to select adequate methods for anonymising and pseudonymising data?
- [What is meant by active ontologies?](https://semafora-systems.com/what-is-meant-by-active-ontologies/): Active ontologies do not only contain structure elements to describe relations between entities, but also elements that change the ontology or start a functional process if an entity or relation in the ontology changes. This is done fully automatically within an execution framework (in the case of semafora the inference engine OntoBroker) and therefore one does not need external programming languages to process the ontology, as it is the case e.g. with OWL using Jena.
- [Automated transfer of PDF-based workflow descriptions into executable ontologies](https://semafora-systems.com/automated-transfer-of-pdf-based-workflow-descriptions-into-executable-ontologies/): On behalf of Atos International, semafora helps with the fully automated transfer of PDF-based workflow descriptions into executable ontologies
- [Differences between ontology modeling approaches / Description Logic (DL) versus Higher-Order Logic](https://semafora-systems.com/differences-between-ontology-modeling-approaches-description-logic-dl-versus-higher-order-logic/): Ontologies are mainly known from the area of the Semantic Web. The Semantic Web uses the Web Ontology Language (OWL), whose various manifestations are essentially based on Description Logic (DL). The primary purpose of DL is to model domains, i.e., to describe concepts, roles, and instances, and represents a subset of First-Order Logic. A key feature of DL is that it follows the Open-World Assumption (OWA). The OWA is based on the assumption that an observer does not have complete knowledge about the world and therefore there are three logical states: true, false, and unknown. This approach is useful for a flexible and open information pool such as the Internet. However, for industrial applications (e.g., SQL), Close-Word Assumption has emerged as an economically preferable way to have complete information oversight for non-chaotic processes. For example, an airline must be able to rely on the fact that a passenger has not checked in if he or she has been assigned a seat and it is empty. When "reasoning" with OWL, this remains an open question. The common approach to remedy this with downstream so-called "closure axioms", (e.g. "man is not woman") would explode the modeling effort for the exemplary unoccupied seat.
- [What are ontologies and what are they used for?](https://semafora-systems.com/what-are-ontologies-and-what-are-they-used-for/): What are ontologies and what are they used for?

## Seiten
- [tXAI](https://semafora-systems.com/technology/txai/): semafora tXAI
- [AI Guardrailing](https://semafora-systems.com/use-cases/ai-guardrailing/): AI Guardrailing / Semantic + deterministic
- [imprint](https://semafora-systems.com/imprint/):  
- [Privacy Policy](https://semafora-systems.com/privacy-policy/): Semafora Systems GmbH, Wilhelm-Leuschner-Str. 7, 64625 Bensheim, GermanyEmail: b.geiger@semafora-systems.com · Phone: +49 6251 8008 38
- [Digital Twin](https://semafora-systems.com/capabilities/digital-twin/): A Digital Twin is a digital model that accurately reflects a physical entity. This could be a product (like a turbine or vehicle), a process (like a manufacturing line or supply chain), or even a whole organization. The key feature of a digital twin is that it’s connected to its real-world counterpart through data. Sensors and data feeds from the physical object continuously update the digital twin, so the twin changes in real time as the physical object changes. Likewise, any simulation or scenario run on the twin can be informed by real-world conditions.
- [Data Integration](https://semafora-systems.com/capabilities/data-integration/): Data Integration refers to the process of combining data from multiple disparate sources and delivering a unified, consistent dataset for use in business intelligence, analytics, and day-to-day operations. In simpler terms, it means bringing together all your data – whether it’s in different databases, applications, or cloud services – into one cohesive “single source of truth.” This usually involves extracting data from source systems, transforming it into a common format, and loading it into a target system (such as a data warehouse or data lake). Data integration can handle structured and unstructured data, and it encompasses various techniques like ETL (Extract, Transform, Load), real-time data streaming, API-based integration, and data virtualization. The end goal is a complete and accurate 360° view of your information assets, eliminating duplicate data and inconsistencies. When done right, data integration ensures that everyone in your organization is working from the same reliable data, which is essential for effective analytics, reporting, and AI initiatives.
- [Digital Twin](https://semafora-systems.com/use-cases/digital-twin/): Aggregate turbines, SCADA, maintenance, and logistics into one semantic digital twin.
- [Use Cases](https://semafora-systems.com/use-cases/): 01
- [Automated Due Diligence Data](https://semafora-systems.com/use-cases/automated-due-diligence-data/): We help financial institutions streamline complex due diligence, automate evidence collection, and produce auditable insights—so teams can make faster, smarter, and fully traceable decisions.
- [Capabilities](https://semafora-systems.com/capabilities/): Turn your business logic into living systems. With OntoBroker, rules, data, and functions live in one place and react to events in real time — so processes explain themselves and stay auditable by design.
- [Cookie-Richtlinie (EU)](https://semafora-systems.com/cookie-richtlinie-eu/): Diese Cookie-Richtlinie wurde zuletzt am September 4, 2025 aktualisiert und gilt für Bürger und Einwohner mit ständigem Wohnsitz im Europäischen Wirtschaftsraum und der Schweiz.
- [Datenschutz](https://semafora-systems.com/datenschutz/): Semafora Systems GmbH, Wilhelm-Leuschner-Str. 7, 64625 Bensheim, DeutschlandE-Mail: b.geiger@semafora-systems.com · Telefon: +49 6251 8008 38
- [OntoStudio X](https://semafora-systems.com/technology/ontostudio-x/): Author higher-order rules and query OntoBroker from inside Excel; benefit from ObjectLogic’s expressive frames, parametrized relations and built-ins. OntoStudio X is a separately versioned product; contact semafora to confirm compatibility for your intended installation.
- [OntoBroker](https://semafora-systems.com/technology/ontobroker/): Build explainable enterprise applications that evaluate governed facts, rules and policies through OntoBroker reasoning.
- [Technology](https://semafora-systems.com/technology/): Enterprise ObjectLogic reasoning on Java 21, with secure integration for explainable knowledge systems
- [OntoBroker Help](https://semafora-systems.com/resources/ontobroker-help/): OntoBroker 7 is semafora’s Java 21 enterprise ObjectLogic reasoner and is commercially available. Use the documentation supplied with your release package for installation, operation and migration.
- [FAQs](https://semafora-systems.com/resources/faqs/): Ontologies describe concepts, relationships and rules in a domain. They make business knowledge explicit and reusable, so applications can derive conclusions from connected facts and explain how those conclusions follow.
- [Resources](https://semafora-systems.com/resources/): Start with OntoBroker 7 requirements, licensing, secure integration and guidance for migration from an existing installation.
- [Impressum](https://semafora-systems.com/impressum/):  
- [Newsroom](https://semafora-systems.com/newsroom/): Filter by
- [About](https://semafora-systems.com/about/): semafora Systems is Europe’s pioneer in Hybrid AI. Founded on decades of Semantic AI research, our mission is to make enterprise AI. Explainable, compliant, and future-proof. Our solutions are engineered in Germany, trusted by organizations that cannot afford black-box decisions.
- [Homepage](https://semafora-systems.com/): semafora tXAI · LiSAI.X through Lenovo

## Headers
- [MainHeader](https://semafora-systems.com/?liquid-header=mainheader): Lenovo Partner forExplainable AI Solutions

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