yaizu-city/opendata
Apr 2025 – May 2026
14 Months active
Languages Used
CSVSQLXMLYAMLDBFHTMLSHPSHX
Technical Skills
CI/CDData CleaningData EntryData ManagementGeographic Information Systems (GIS)GitHub Actions
Kazyai
PROFILE
Kazyai
Worked extensively on the yaizu-city/opendata repository, delivering over 70 features across 14 months to enhance open data assets for Yaizu City. Focused on integrating and updating GIS datasets, refining CSV and XML data pipelines, and improving data quality for tourism, disaster response, and urban planning. Applied skills in data management, configuration management, and front-end development to streamline deployment workflows and ensure traceable, reliable releases. Leveraged technologies such as CSV, XML, and HTML to enrich public datasets, implement maintenance notification systems, and expand accessibility-focused facility data, supporting both end-user transparency and robust analytics for city stakeholders and planners.
Overall Statistics
Feature vs Bugs
84%Features
Repository Contributions
230Total
Bugs
14
Commits
230
Features
73
Lines of code
19,687
Activity Months14
Your Network
8 peopleSame Organization
@city.yaizu.lg.jp3
Work History
May 2026
17 Commits • 6 Features
May 1, 2026May 2026 delivered measurable business value through comprehensive data updates and user-facing improvements in yaizu-city/opendata. Key features shipped include a Maintenance Notification System overhaul across the portal (downtime windows and completion notices), Parade Data Improvements with new fields and 75th anniversary datasets for event management, Tourism POIs Dataset Updates with richer POIs and updated attractions/services for Yaizu City, Facilities Data Enhancements expanding the public facilities dataset with accessibility-focused data, and Urban data updates addressing Underpasses and Disaster Resources to support planning and emergency readiness. These changes enhanced data quality, increased usability for residents and planners, and strengthened readiness and transparency during outages and events.
17 Commits • 6 Features
May 1, 2026May 2026 delivered measurable business value through comprehensive data updates and user-facing improvements in yaizu-city/opendata. Key features shipped include a Maintenance Notification System overhaul across the portal (downtime windows and completion notices), Parade Data Improvements with new fields and 75th anniversary datasets for event management, Tourism POIs Dataset Updates with richer POIs and updated attractions/services for Yaizu City, Facilities Data Enhancements expanding the public facilities dataset with accessibility-focused data, and Urban data updates addressing Underpasses and Disaster Resources to support planning and emergency readiness. These changes enhanced data quality, increased usability for residents and planners, and strengthened readiness and transparency during outages and events.
May 2026
April 2026
6 Commits • 3 Features
Apr 1, 2026April 2026 monthly summary for yaizu-city/opendata: Delivered core data integration improvements and presentation refinements that enhance data completeness, accessibility, and planning support for city data assets. Focused on flood history coverage, special event data setup, and CSV attribute presentation to boost data usability for analysts and decision-makers.
April 2026
6 Commits • 3 Features
Apr 1, 2026April 2026 monthly summary for yaizu-city/opendata: Delivered core data integration improvements and presentation refinements that enhance data completeness, accessibility, and planning support for city data assets. Focused on flood history coverage, special event data setup, and CSV attribute presentation to boost data usability for analysts and decision-makers.
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026: Focused on maintaining high-quality Yaizu City open data. Delivered a targeted data update for Heat Evacuation Facilities, ensuring accurate opening hours and facility names, with full traceability to commit 470d0e4878a7b79539610d01f4c532b4f2771ca3. No major bugs reported; prepared data for downstream consumers and emergency planning use.
1 Commits • 1 Features
Mar 1, 2026March 2026: Focused on maintaining high-quality Yaizu City open data. Delivered a targeted data update for Heat Evacuation Facilities, ensuring accurate opening hours and facility names, with full traceability to commit 470d0e4878a7b79539610d01f4c532b4f2771ca3. No major bugs reported; prepared data for downstream consumers and emergency planning use.
March 2026
February 2026
21 Commits • 4 Features
Feb 1, 2026February 2026 Monthly Summary (yaizu-city/opendata) 1) Key features delivered - Yakumo Map Photo Update: Updated Yakumo map photo assets to ensure map visual fidelity and data accuracy (commit 40832c036b4c3e646645e4e4f31ec3b13ec4daa9). - Vegetable Check Photo and Feature Additions: Added Veggie Check photos and introduced support for Veggie Check feature (commits 63510175ca05a04dd9c693cfdb1f2af3dc00ba35; 59a8feabdc7d4af150dcf63d0bbd1a0e74e0e8cc). - CSV Filename Changes Refactor: Batch-renamed CSV filenames across the project to standardize data assets and simplify downstream pipelines (12 commits: 355a31b8723bcb324b20913587fdcaa6ed4c5a1f; 7b0e14d79cab9fc1ed9ce62ca016495ab3ce5448; ab7b3832c8bdb1c44e24be6c86013c5e6a3c3d82; 123c323f2b85b79727bbb1fc0f8cd1aee96d57a0; 3e11ae207fe42cca73fba4c68509282f5e25b764; 3d0b3a48431d21fbce09bf11a11c6c5e6a3c3d82; 2ec6b2ec5a97da640623804d8094edd80c9f8033; f2b64f063f830825d2b34d95d5aff46710b6fc95; 3c1dbe1bec01b1ec8613ba12528582876faeaede; c9f02d0d2abc2a715f84514cb47d856f11e7f723; e4c1cafc03f1e3e04cb445da7d4c54c4f53021b3; 858bbdf372f91dc601940c7ba00ba720c2782ed9). - CSV Filename and Column Name Renaming (CSV名称変更13-17): Expanded renaming work to include filename and related column names, covering commits 8aba6ff7; 32c8b7d0; a2884fbd; c9276897; 831d959a; 30279349 (AED variant in 17). 2) Major bugs fixed - No explicit bugs listed in the provided data for February 2026. The focus was on asset updates and naming/refactoring work. If there were bug fixes, they would be captured under asset handling, naming consistency, and downstream compatibility improvements. 3) Overall impact and accomplishments - Improved data asset freshness and map accuracy with Yakumo Map photos, enhancing user-facing data quality. - Enhanced feature coverage for Veggie Check, enabling broader data capture and validation workflows. - Achieved substantial improvements in data governance and maintainability through large-scale CSV filename and column name renaming, reducing downstream confusion and enabling smoother ETL processes. - Demonstrated disciplined code-management practices by batch-renaming assets and documenting changes through a wide set of commits, indicating strong project hygiene and traceability. 4) Technologies/skills demonstrated - Asset management and data asset lifecycle, including media updates for map assets. - Feature extension and data annotation support (Veggie Check). - Data governance, filename standardization, and cross-cutting refactoring across a large codebase. - Version control discipline with extensive batch commits and clear commit messaging in both English and Japanese.
February 2026
21 Commits • 4 Features
Feb 1, 2026February 2026 Monthly Summary (yaizu-city/opendata) 1) Key features delivered - Yakumo Map Photo Update: Updated Yakumo map photo assets to ensure map visual fidelity and data accuracy (commit 40832c036b4c3e646645e4e4f31ec3b13ec4daa9). - Vegetable Check Photo and Feature Additions: Added Veggie Check photos and introduced support for Veggie Check feature (commits 63510175ca05a04dd9c693cfdb1f2af3dc00ba35; 59a8feabdc7d4af150dcf63d0bbd1a0e74e0e8cc). - CSV Filename Changes Refactor: Batch-renamed CSV filenames across the project to standardize data assets and simplify downstream pipelines (12 commits: 355a31b8723bcb324b20913587fdcaa6ed4c5a1f; 7b0e14d79cab9fc1ed9ce62ca016495ab3ce5448; ab7b3832c8bdb1c44e24be6c86013c5e6a3c3d82; 123c323f2b85b79727bbb1fc0f8cd1aee96d57a0; 3e11ae207fe42cca73fba4c68509282f5e25b764; 3d0b3a48431d21fbce09bf11a11c6c5e6a3c3d82; 2ec6b2ec5a97da640623804d8094edd80c9f8033; f2b64f063f830825d2b34d95d5aff46710b6fc95; 3c1dbe1bec01b1ec8613ba12528582876faeaede; c9f02d0d2abc2a715f84514cb47d856f11e7f723; e4c1cafc03f1e3e04cb445da7d4c54c4f53021b3; 858bbdf372f91dc601940c7ba00ba720c2782ed9). - CSV Filename and Column Name Renaming (CSV名称変更13-17): Expanded renaming work to include filename and related column names, covering commits 8aba6ff7; 32c8b7d0; a2884fbd; c9276897; 831d959a; 30279349 (AED variant in 17). 2) Major bugs fixed - No explicit bugs listed in the provided data for February 2026. The focus was on asset updates and naming/refactoring work. If there were bug fixes, they would be captured under asset handling, naming consistency, and downstream compatibility improvements. 3) Overall impact and accomplishments - Improved data asset freshness and map accuracy with Yakumo Map photos, enhancing user-facing data quality. - Enhanced feature coverage for Veggie Check, enabling broader data capture and validation workflows. - Achieved substantial improvements in data governance and maintainability through large-scale CSV filename and column name renaming, reducing downstream confusion and enabling smoother ETL processes. - Demonstrated disciplined code-management practices by batch-renaming assets and documenting changes through a wide set of commits, indicating strong project hygiene and traceability. 4) Technologies/skills demonstrated - Asset management and data asset lifecycle, including media updates for map assets. - Feature extension and data annotation support (Veggie Check). - Data governance, filename standardization, and cross-cutting refactoring across a large codebase. - Version control discipline with extensive batch commits and clear commit messaging in both English and Japanese.
January 2026
14 Commits • 5 Features
Jan 1, 2026January 2026 (2026-01) — yaizu-city/opendata. Focused on delivering high-value data and media updates to improve user visuals, local recommendations, and data trust. All work is tracked through concrete commits across images, CSVs, and location data, with clear traceability to business value.
14 Commits • 5 Features
Jan 1, 2026January 2026 (2026-01) — yaizu-city/opendata. Focused on delivering high-value data and media updates to improve user visuals, local recommendations, and data trust. All work is tracked through concrete commits across images, CSVs, and location data, with clear traceability to business value.
January 2026
December 2025
44 Commits • 9 Features
Dec 1, 2025Month: 2025-12 — Yaizu City Open Data repository improvements across Ya-kumo/Koizumi maps, Hamamori data, and Seafood Map datasets. The sprint prioritized data freshness, data quality, and maintainability, enabling more reliable GIS data for disaster response, urban planning, and tourism use-cases.
December 2025
44 Commits • 9 Features
Dec 1, 2025Month: 2025-12 — Yaizu City Open Data repository improvements across Ya-kumo/Koizumi maps, Hamamori data, and Seafood Map datasets. The sprint prioritized data freshness, data quality, and maintainability, enabling more reliable GIS data for disaster response, urban planning, and tourism use-cases.
November 2025
17 Commits • 7 Features
Nov 1, 20252025-11 monthly summary for yaizu-city/opendata: Delivered major data and map feature enhancements across Beach Cleanup, Yakumo map, Street Walking, and Fish Festival, with significant improvements to labeling, data quality, and taxi data reliability; completed cleanup of obsolete Oi River Taxi data and refined Oigawa Demand Taxi configuration.
17 Commits • 7 Features
Nov 1, 20252025-11 monthly summary for yaizu-city/opendata: Delivered major data and map feature enhancements across Beach Cleanup, Yakumo map, Street Walking, and Fish Festival, with significant improvements to labeling, data quality, and taxi data reliability; completed cleanup of obsolete Oi River Taxi data and refined Oigawa Demand Taxi configuration.
November 2025
October 2025
6 Commits • 3 Features
Oct 1, 2025Concise monthly summary for 2025-10 focusing on delivered features/data improvements in yaizu-city/opendata, with emphasis on business value and technical excellence.
October 2025
6 Commits • 3 Features
Oct 1, 2025Concise monthly summary for 2025-10 focusing on delivered features/data improvements in yaizu-city/opendata, with emphasis on business value and technical excellence.
September 2025
28 Commits • 8 Features
Sep 1, 2025September 2025 (yaizu-city/opendata) delivered end-to-end data-layer enhancements, UI/portal updates, and data governance improvements that strengthen disaster response readiness, safety oversight, and developer velocity. Key outcomes include expanded disaster waste data coverage with refined layer attributes and reception locations; Vegi Check enhancements (photos handling, new map data and location layers) for safer community exposure; updated portal notices for timely stakeholder communication; and ongoing data quality and operational improvements (category label corrections, text normalization, and a data error fix). Configuration updates and prefecture workshop test data were added to streamline deployment and validation pipelines.
28 Commits • 8 Features
Sep 1, 2025September 2025 (yaizu-city/opendata) delivered end-to-end data-layer enhancements, UI/portal updates, and data governance improvements that strengthen disaster response readiness, safety oversight, and developer velocity. Key outcomes include expanded disaster waste data coverage with refined layer attributes and reception locations; Vegi Check enhancements (photos handling, new map data and location layers) for safer community exposure; updated portal notices for timely stakeholder communication; and ongoing data quality and operational improvements (category label corrections, text normalization, and a data error fix). Configuration updates and prefecture workshop test data were added to streamline deployment and validation pipelines.
September 2025
August 2025
32 Commits • 9 Features
Aug 1, 2025August 2025 highlights for yaizu-city/opendata: Enhanced data quality and workshop infrastructure, delivering reliable datasets for analytics and decision making, and improved deployment consistency across regions.
August 2025
32 Commits • 9 Features
Aug 1, 2025August 2025 highlights for yaizu-city/opendata: Enhanced data quality and workshop infrastructure, delivering reliable datasets for analytics and decision making, and improved deployment consistency across regions.
July 2025
28 Commits • 12 Features
Jul 1, 2025July 2025 monthly summary for yaizu-city/opendata. Delivered data quality enhancements, new GIS layers, and coupon-related data improvements, with targeted fixes to UI data presentation and expanded test coverage. The work supported more reliable analytics for urban planning, marketing campaigns, and user-facing data displays, while maintaining a strong emphasis on traceability and quality control.
28 Commits • 12 Features
Jul 1, 2025July 2025 monthly summary for yaizu-city/opendata. Delivered data quality enhancements, new GIS layers, and coupon-related data improvements, with targeted fixes to UI data presentation and expanded test coverage. The work supported more reliable analytics for urban planning, marketing campaigns, and user-facing data displays, while maintaining a strong emphasis on traceability and quality control.
July 2025
June 2025
3 Commits • 1 Features
Jun 1, 2025Concise monthly summary for 2025-06 focusing on business value and technical achievements for yaizu-city/opendata. Key accomplishments include the Machinaka Suzumidokoro Urban Cooling Spots dataset expansion with schema enhancements, broader coverage, and updated hours, addresses, and capacity. No major bugs fixed this month. Overall impact: improved accessibility to urban cooling resources and data reliability for end-users and downstream consumers. Technologies demonstrated: data ingestion, CSV handling, schema design, dataset versioning, and public data collaboration.
June 2025
3 Commits • 1 Features
Jun 1, 2025Concise monthly summary for 2025-06 focusing on business value and technical achievements for yaizu-city/opendata. Key accomplishments include the Machinaka Suzumidokoro Urban Cooling Spots dataset expansion with schema enhancements, broader coverage, and updated hours, addresses, and capacity. No major bugs fixed this month. Overall impact: improved accessibility to urban cooling resources and data reliability for end-users and downstream consumers. Technologies demonstrated: data ingestion, CSV handling, schema design, dataset versioning, and public data collaboration.
May 2025
4 Commits • 3 Features
May 1, 2025May 2025 monthly summary for yaizu-city/opendata: Delivered three key updates focused on user experience, data quality, and GIS accuracy. Features include: (1) maintenance notice enhancement to list affected services for precise impact visibility, (2) business name labeling upgrade in attributes.csv replacing 正式名称 with 事業者名 for both original and kana versions, and (3) agricultural zone GIS data update including projection change from GCS_JGD_2011 to JGD_2000_Japan_Zone_8, updated binary shapefiles, and added XML configuration for shape attributes; plus alignment of attributes.csv mapping with '分類' display name. These changes improve transparency for users, ensure correct business name display, and enhance geospatial data reliability for analytics and mapping. No major bugs reported this month; all changes are traceable via commits and ready for release.
4 Commits • 3 Features
May 1, 2025May 2025 monthly summary for yaizu-city/opendata: Delivered three key updates focused on user experience, data quality, and GIS accuracy. Features include: (1) maintenance notice enhancement to list affected services for precise impact visibility, (2) business name labeling upgrade in attributes.csv replacing 正式名称 with 事業者名 for both original and kana versions, and (3) agricultural zone GIS data update including projection change from GCS_JGD_2011 to JGD_2000_Japan_Zone_8, updated binary shapefiles, and added XML configuration for shape attributes; plus alignment of attributes.csv mapping with '分類' display name. These changes improve transparency for users, ensure correct business name display, and enhance geospatial data reliability for analytics and mapping. No major bugs reported this month; all changes are traceable via commits and ready for release.
May 2025
April 2025
9 Commits • 2 Features
Apr 1, 2025April 2025 performance summary: Delivered substantial enhancements to Yaizu City's open data layers and strengthened deployment governance for the yaizu-city/opendata repository. Key work includes enriching tourism and local services data across dining, shops, sights, accommodations, and onsen, with boundary data updates for disaster prevention; and hardening the deployment workflow to restrict changes to main branch deployments. These efforts improved data accuracy, completeness, disaster readiness, and release reliability, delivering tangible business value for stakeholders and end-users.
April 2025
9 Commits • 2 Features
Apr 1, 2025April 2025 performance summary: Delivered substantial enhancements to Yaizu City's open data layers and strengthened deployment governance for the yaizu-city/opendata repository. Key work includes enriching tourism and local services data across dining, shops, sights, accommodations, and onsen, with boundary data updates for disaster prevention; and hardening the deployment workflow to restrict changes to main branch deployments. These efforts improved data accuracy, completeness, disaster readiness, and release reliability, delivering tangible business value for stakeholders and end-users.
Activity
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Quality Metrics
Correctness96.8%
Maintainability95.8%
Architecture94.6%
Performance94.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
CSVDBFHTMLJapaneseNoneSHPSHXSQLXMLYAML
Technical Skills
CI/CDCSV handlingCSV manipulationCSV processingConfigurationConfiguration ManagementCoordinate System ManagementData CleaningData ConfigurationData EngineeringData EntryData ManagementData ModelingData UpdateDatabase Administration
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