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Wistor
Platform

The only native Linked Data platform to configure ontology based apps.
Wistor lets you build interactive apps directly on your triple store or any SPARQL-endpoint. No exports, no custom code. Just SPARQL, your ontology and the interface you need. Fully based on the W3C Linked Data standards and fully under your control. 
We separate data, data model, and application to build modular, reusable applications that scale.
Using Wistor

How it works

  • Data Stay in control of your data

    Most tools force you to copy or convert your data into their application. This adds risk, like data loss or incorrect data mappings . Wistor connects directly to your triple store. Your data stays with you, based on open W3C standards.

  • Data model Central data-models, no silos

    When data models are in the core of applications and you’ve multiple applications you end up with multiple silo's and thus multiple versions of the truth. Wistor uses connected ontologies based on standards like RDF, OWL or SHACL, for an integrated structure of your information. All your apps use the same data models, keeping your information consistent and interoperable.

  • App Configure, don’t code

    Wistor brings your triples to life with real, interactive applications. No dev team required, as a data expert you can configure your own apps using SPARQL. Go from ontologies to usable applications in a fraction of the time.

Advantages

Key features to power your applications 

Wistor puts your data first. At its core, it’s a data-model driven app builder: you build apps around your data models, creating different views and functions on the same data.

Apps are configured with SPARQL queries and built with a wide range of widgets for visualization and functions.

  • Wistor What You See Is What You Get editor

    Design applications exactly as end-users will experience them. With the “what you see is what you get” editor, you can directly edit and refine the interface without writing code. It’s intuitive and accessible, so anyone on your team can build and adjust applications with ease.

  • Wistor SPARQL-Driven Widgets

    Wistor offers a wide range of widgets that use SPARQL results as a data source. If you know SPARQL you can configure them yourself.

  • Wistor Editor Widgets

    Build apps that go beyond visualization, enabling users to create, read, update, and delete (CRUD) data. Interactive widgets enable data entry as well as safe modification or soft deletion of existing records. By using SPARQL to define your data editors, you can shape exactly how information is managed and ensure consistency across your applications.

  • Wistor Parameters

    Add intelligence and interaction to your applications. With Wistor Parameters, widgets can communicate with each other, making it easy to create dynamic, interactive user experiences without additional coding.

  • Wistor Workflows

    Run powerful workflows directly on the server. From ETL and data ingestion to SHACL validation, GIS and BIM functions, or custom logic, Wistor Workflows handles the heavy lifting so your applications stay fast, scalable, and reliable.

  • Wistor IO

    Connect Wistor with the outside world. Configure APIs for smooth external communication and use Wistor Workflows to power them. This way, your applications integrate seamlessly with other systems and data sources.

Wistor widgets

Building
blocks for
your interface

Wistor gives you a rich set of configurable widgets to create clear, functional interfaces on top of your Linked Data. Choose from tables, trees, maps, forms or 3D views, and many more, all powered by SPARQL and built on open standards.

You decide the logic, the layout and the data. No coding required.

Below you’ll find a selection of widgets explained in more detail.

      • Geometry widgets

        View and explore BIM and GIS models. Navigate 2D or 3D structures, inspect elements and attributes, and connect geometry to other data.
      • Chart
widgets

        Visualize SPARQL results in bar charts, pie charts, or other chart formats.
      • Button widgets

        Trigger actions, navigate between views or interact with data. Simple buttons with logic behind them.
      • Data
widgets

        Data widgets let you pull information straight from the database and work with it inside the app. They make querying data simple and give users the option to take action, not just view results.
      • Filter
widgets

        Add filters to your app to refine query results based on user input or context.
      • Table widget

        Show data in tables with options for sorting, filtering or actions. Clear views in understandable tables for data visualization.
      • Tree widget

        Show hierarchical relations in a clear parent-child structure. Select single or multiple items, add checkboxes, and display icons or labels for intuitive navigation.
      Ready to use

      Template apps to get started faster

      Wistor comes with ready-to-use apps that accelerate development and onboarding. Use them as-is or customize them for your own domain.

      Ontology Viewer

      Explore and share ontologies and metadata in an interactive interface. Built on RDF, OWL and SHACL, the ontology (OTL) Viewer makes semantic definitions human-readable, reusable and aligned with open standards.
      Learn more

      Ontology Editor

      Create, manage and publish ontologies and metadata with support for RDF, OWL and SHACL. Build consistent, reusable information models ready for enterprise use.
      Learn more
      Advantages

      Why choose Wistor

      Choosing Wistor means choosing clarity and control in a world of complex IT landscapes. The Data Centric Manifesto argues that data should be the stable core, while applications come and go. Wistor puts this into practice: it separates data from apps, works fully on open standards, and lets you build solutions directly on your ontologies.

      • Only native Linked Data platform

        Wistor is built from the ground up on Linked Data principles. That means no conversions, no hidden layers, just clean interoperability with open standards.
      • Separation of data and applications

        Your data remains independent, stored in open standards. Wistor applications are modular on top, so you can adapt, replace or expand without having a vendor-lock on your data.
      • Configurable widgets for any interface

        Tables, trees, maps, forms or 3D views, all powered by SPARQL. Build functional apps without coding while keeping full control over layout and logic.
      • One semantic layer across all projects

        With ontologies and object type libraries (OTL) at the core, everyone works with the same definitions. This avoids duplication and ensures information consistency in your IT-Landscape.
      • Future-proof through open standards

        Wistor is fully based on open standards such as RDF, OWL and SHACL. Your data stays portable, future-proof and ready to power digital twins, AI and any system integration you need.
      Testimonials

      See what all the talk is about

          • With Wistor, Schiphol can put its Linked Data vision into practice. The platform already enables us to navigate our asset data with flexibility today, while offering the perspective to play an even greater role in our journey towards becoming a data-driven organization in the future.
            Ad Ruijl
            Schiphol Group
          • Wistor helps BAM standardise asset and object data and work in a truly data centric way. This creates consistency and reuse across projects and maintenance contracts and keeps all stakeholders aligned. It becomes the central layer that connects BIM models with maintenance and CDE systems such as Relatics, ArcGIS and SharePoint, and it enables data exchange with clients through Linked Data. Support for open standards like NEN2660 and IMBOR makes it easy to share data with public asset owners. The graph based approach also opens the door to future AI use cases, such as quickly understanding the impact of new regulations on maintenance contracts. For BAM it is crucial that data stays central, without vendor lock in or complex migrations when switching software. Wistor exactly fits that vision.
            Bas Hesselink
            BAM Nederland
          • Uploading
            Rakesh Kalpoe
            Provincie Zuid Holland

          See Wistor in action

          Connect your data, configure apps, and work data-centric without writing code. In a short demo we’ll show how Wistor makes it easy to build the interfaces you need.
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