public sector information - ogcio · mobile app with psi ... provide guidelines on psi...
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Public Sector Information
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“From this year onwards, free online government information will be released in digital formats to encourage
development of more applications by start‐ups.”
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The DATA.GOV.HK portal
Free government information in digital formats for commercial and
non‐commercial purposes
4000+datasets70+
apps70+apps
18categories
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Mobile App with PSI
Datasets used: • Traffic Snapshot Images• Special Traffic News• Geo‐Referenced Public Facility
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Mobile App with PSI
Datasets used: • Speed Map Panels• Journey Time Indicators• Traffic Snapshot Images• Special Traffic News
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Mobile App with PSI
Datasets used: • FEHD Service Locations
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Mobile App with PSI
Datasets used: • The 2011 Population
Census
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Build and maintain the Data.Gov.HK portal
Provide guidelines on PSI dissemination
Monitor the progress of PSI dissemination
Roles of OGCIORoles of OGCIO
Advice BDs for quality assurance of PSI
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Role of DepartmentsRole of Departments
Provide all PSI on websites
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• Economic means for data storage and dissemination• Daily traffic snapshots of storage: 4MB • Daily download traffic: 80GB• Low Daily Cost
• Easy and convenient development platform• Built the prototype of infrastructure in 1.5 months• Efficient for proof of concept, load test, security test, etc.
• More potential with Cloud Computing• Serving APIs on cloud, etc.
How Does Cloud Computing Help ?How Does Cloud Computing Help ?
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System InfrastructureSystem Infrastructure
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• Use structured format such as CSV, JSON and XML to structure data appropriately and provide greater ease of data access
• Select formats that can be accessed by a wider variety of methods. E.g.: CSV , XML
• Select common open and non‐proprietary formats
Usefulness / Reusability
All PSI are Machine Readable and ProcessableAll PSI are Machine Readable and Processable
High Operability of PSIHigh Operability of PSI
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Recommended Dataset FormatsRecommended Dataset Formats• With consideration of Interoperability • Open and non‐proprietary formats
Audio FLAC, M4A, MPC, MPP, MP+, OGG, OPUS, SPX, WAV, WV
Calendar ICAL, ICS, IFBData interchange JSON, XML
Document DOC, DOCX, FODT,ODT, PDF, TXT
Image APNG, EXR, GIF, JP2, PNG, SVG, SVGZ
Spreadsheet / Tabular data
CSV/TSV, ODS, FODS, XLS, XLSX
Video AVI, MKV, OGV
Some examples:
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• Some proprietary formats have their specifications opened and they are considered as acceptable PSI dataset formats
• Examples:– Microsoft has its Word (DOC, DOCX) and Excel (XLS, XLSX) specifications open to the public under the Microsoft Open Specification Promise (OSP)
– A subset of PDF specifications PDF/X (i.e. ISO 15930‐1:2001) and PDF/A (i.e. ISO 19005‐1:2005) has been opened by Adobe
Acceptable Proprietary FormatsAcceptable Proprietary Formats
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Dissemination MethodsDissemination Methods
Bulk Data Web API
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• Details of EventHK Information
• Details of GovHK Notifications
• List of EventHK information
• List of GovHK Notifications• Approved Charitable Fund‐raising activities
Available Web API Available Web API
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Comprehensive PSI datasets in good quality
The GuidelinesThe Guidelines
Recommended PSI dataset formats
Administration and technical process for PSI dissemination
Preparation & maintenance of PSI datasets
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Thank You!