google/digitalbuildings
Oct 2024 – Apr 2026
5 Months active
Languages Used
YAMLyaml
Technical Skills
Data ModelingOntology EngineeringSchema DefinitionConfiguration ManagementHVAC SystemsOntology Development
shambergoldstein
PROFILE
Shambergoldstein
Over five months, contributed to the google/digitalbuildings repository by expanding HVAC ontology and data modeling capabilities to support more granular and accurate digital building representations. Delivered features such as new entity types for air handling units, boilers, tanks, and multi-zone configurations, enhancing asset modeling and telemetry coverage for monitoring and diagnostics. Applied skills in ontology engineering, schema definition, and configuration management, primarily using YAML for schema updates and documentation improvements. The work enabled richer analytics, improved system configuration planning, and supported scalable integrations, while maintaining clear documentation and metadata to ensure ongoing maintainability and governance of the evolving ontology.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
8Total
Bugs
0
Commits
8
Features
6
Lines of code
376
Activity Months5
Your Network
24 peopleSame Organization
@dbengineering.net4
Work History
April 2026
2 Commits • 2 Features
Apr 1, 2026April 2026 performance summary for google/digitalbuildings: Delivered two core features that strengthen HVAC data modeling and maintainability across the repository, enabling richer analytics and clearer governance.
2 Commits • 2 Features
Apr 1, 2026April 2026 performance summary for google/digitalbuildings: Delivered two core features that strengthen HVAC data modeling and maintainability across the repository, enabling richer analytics and clearer governance.
April 2026
October 2025
3 Commits • 1 Features
Oct 1, 2025Month: 2025-10 | Repository: google/digitalbuildings Key features delivered: - HVAC Ontology Expansion: new entity types across AHU, BLR, HWS, PCU, TANK, and a dedicated FCU multi-zone with SAIDC interface to improve modeling of sensors, controls, and configurations. Major bugs fixed: - None reported this month. Overall impact and accomplishments: - Business value: expanded asset modeling enables deeper analytics, better monitoring, and interoperability across HVAC systems; supports future feature expansion. Technologies/skills demonstrated: - Ontology design and schema evolution, YAML updates (FCU.yaml), SAIDC integration, and robust version-control practices.
October 2025
3 Commits • 1 Features
Oct 1, 2025Month: 2025-10 | Repository: google/digitalbuildings Key features delivered: - HVAC Ontology Expansion: new entity types across AHU, BLR, HWS, PCU, TANK, and a dedicated FCU multi-zone with SAIDC interface to improve modeling of sensors, controls, and configurations. Major bugs fixed: - None reported this month. Overall impact and accomplishments: - Business value: expanded asset modeling enables deeper analytics, better monitoring, and interoperability across HVAC systems; supports future feature expansion. Technologies/skills demonstrated: - Ontology design and schema evolution, YAML updates (FCU.yaml), SAIDC integration, and robust version-control practices.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary focusing on key accomplishments for google/digitalbuildings. Delivered a significant ontology enhancement by adding a Multi-zone Air Handling Unit (AHU) entity type with capabilities to support diverse HVAC configurations, enabling more accurate representation for system configuration and planning.
1 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary focusing on key accomplishments for google/digitalbuildings. Delivered a significant ontology enhancement by adding a Multi-zone Air Handling Unit (AHU) entity type with capabilities to support diverse HVAC configurations, enabling more accurate representation for system configuration and planning.
September 2025
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for google/digitalbuildings: Focused on expanding HVAC telemetry and asset modeling to improve monitoring, diagnostics, and maintenance planning. Delivered the HVAC System Telemetry and Entity Types Expansion feature, adding new entity types and telemetry fields for Potable Hot Water (POTHWM), Air Handling Units (AHU), Boilers (BLR), Fan Coil Units (FCU), Make-up Air Units (MAU), and Tanks (TANK). Also defined new telemetry fields for high potable supply water temperature alarms to enhance alerting and asset representation. This work improves visibility across HVAC assets, enables more proactive maintenance, and supports scalable future integrations.
April 2025
1 Commits • 1 Features
Apr 1, 2025April 2025 monthly summary for google/digitalbuildings: Focused on expanding HVAC telemetry and asset modeling to improve monitoring, diagnostics, and maintenance planning. Delivered the HVAC System Telemetry and Entity Types Expansion feature, adding new entity types and telemetry fields for Potable Hot Water (POTHWM), Air Handling Units (AHU), Boilers (BLR), Fan Coil Units (FCU), Make-up Air Units (MAU), and Tanks (TANK). Also defined new telemetry fields for high potable supply water temperature alarms to enhance alerting and asset representation. This work improves visibility across HVAC assets, enables more proactive maintenance, and supports scalable future integrations.
October 2024
1 Commits • 1 Features
Oct 1, 2024Monthly work summary for 2024-10: Delivered HVAC Ontology Enhancement in google/digitalbuildings to improve digital building HVAC modeling. Added new entity types across ABSTRACT, DMP, and HX ontologies and introduced new control and sensor types for outside condensing loops and circulation pumps to increase granularity and accuracy. No major bugs fixed this period. Key commit: 5da51028904c8d7a3b1cb029fff55c7b2ae17db0 ('New HX and DMP').
1 Commits • 1 Features
Oct 1, 2024Monthly work summary for 2024-10: Delivered HVAC Ontology Enhancement in google/digitalbuildings to improve digital building HVAC modeling. Added new entity types across ABSTRACT, DMP, and HX ontologies and introduced new control and sensor types for outside condensing loops and circulation pumps to increase granularity and accuracy. No major bugs fixed this period. Key commit: 5da51028904c8d7a3b1cb029fff55c7b2ae17db0 ('New HX and DMP').
October 2024
Activity
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Quality Metrics
Correctness92.6%
Maintainability92.6%
Architecture92.6%
Performance85.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
YAMLyaml
Technical Skills
Configuration ManagementData ModelingHVAC SystemsHVAC systems designOntology DevelopmentOntology EngineeringOntology ManagementSchema Definitiondata modelingontology development
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