About Per Karlberg

Per Karlberg, a technology executive with extensive expertise in the intersection of real estate and technology, boasts an impressive academic background. He holds a Master of Science in Industrial Engineering and Management from The Faculty of Engineering at Lund University, specializing in Mathematical Modeling and Statistics. Additionally, he earned a Master of Science in Business and Economics from Lund University, focusing on Innovation and Strategic Management, and completed coursework at Nanyang Technological University in Singapore. As the CEO of our company and with three years of experience as the Co-Founder of ProptechOS, Per Karlberg has demonstrated exceptional proficiency in the field. He possesses comprehensive knowledge of real estate technology and the challenges confronting the industry, having played a pivotal role in spearheading the development of ProptechOS. This system optimizes real estate portfolios by leveraging data mapping and IoT technology. Per Karlberg's involvement as the co-founder of RealEstateCore, an open-source domain ontology fostering control over buildings and the creation of new services, has significantly shaped his expertise in proptech and real estate technology. He has contributed to mapping existing standards to RealEstateCore, enabling its function as a bridge between prevailing standards and the identification of common denominators. A noteworthy part of his contribution is found in a paper he co-authored, entitled "The realestatecore ontology" published in the proceedings of the 18th International Semantic Web Conference (ISWC 2019). This endeavor has been crucial in preparing buildings for interaction with Smart Cities and actualizing the potential of digital transformation and ESG breakthroughs within the real estate sector. For further information or professional inquiries, Per Karlberg can be contacted via LinkedIn at https://www.linkedin.com/in/perkarlberg/

Release notes – version 2.1.3

In this release A minor update with fixes and minor updates. New functionality None Breaking changes None Fixes and minor updated Edge status reader has been switched to Prometheus client. Fixed the issue that caused the return different number of actuation interfaces depending on resource group. Fixed the issue [...]

By |2024-12-09T15:33:08+02:002020-09-25|Release Notes|

Release notes – version 2.1.2

In this release A minor update with fixes and minor updates. New functionality None Breaking changes None Fixes and minor updated Full support for default and additional ActuationInterfaces has been added. An issue where some objects were excluded from the response of /api/actuationinterface and /api/json/actuationinterface has been addressed. Explicit [...]

By |2024-12-09T15:33:22+02:002020-07-09|Release Notes|

Release notes – version 2.1.1

In this release A minor release with bug fixes. New functionality - Breaking changes - Fixes and minor updated Fixed a concurrency issue connected with creating or updating multiple sub-devices (Actuators and Sensors) at once. Fixed serialization of the 'isPartOfStorey' property for BuildingComponent

By |2024-12-09T15:33:35+02:002020-06-17|Release Notes|

Release notes – version 2.1

In this release This is a minor release with focus on how BuildingComponents and its subclasses are managed via the API, in line with the root and leaf class principle from RealEstateCore API specification. RealEstateCore ProptechOS v2.1 adopts RealEstateCore v3.1.3 (upgraded from v3.1.1). New functionality The /buildingcomponent/ endpoint now [...]

By |2024-12-09T15:33:47+02:002020-06-05|Release Notes|

Release notes – version 2.0.3

In this release Minor update with only one change. New functionality - Breaking change - Fixes and minor updated RoomType (roomType) property in PUT, POST of api/buildingcomponent/ for Room objects will use IRI, like the GET method. Previously the PUT and POST methods used the RoomType label. The available [...]

By |2024-12-09T15:34:02+02:002020-05-14|Release Notes|

Release notes – version 2.0.2

In this release This is a minor release containing updated format of API request parameters and inclusion of more data to API responses. New functionality Properties Source and Comment All axioms in ProptechOS have source and comment properties. Previously, they were available in PUT and POST methods, but not [...]

By |2024-12-09T15:34:40+02:002020-05-08|Release Notes|

Release notes – version 2.0

In this release This is the first major version increment of ProptechOS (since 1.0) and the star of the show is the  RealEstateCore ontology strictly exposed as an API - using the ontology itself as specification. In fact Idun ProptechOS 2.0 is the first ever RealEstateCore API. In adopting [...]

By |2024-12-09T15:34:54+02:002020-04-15|Release Notes|

Release notes – version 1.1

We’re continuously working towards our goal of “Making the world’s buildings able inhabitants of the smart city”. For that very reason we’re proud of releasing a major update to ProptechOS. So, what has changed: Features: Authentication and Authorization Authorization and Authentication is now handled with Azure Active Directory and [...]

By |2024-12-09T15:35:07+02:002019-10-17|Release Notes|
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