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601 lines
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Plaintext
harmonised way
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full effect
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User manages resources
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Manage Resources UC3 City Data Publisher
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User tracks resources usage
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Store City Data UC4
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2. City data is
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managed in a safe Transmit Data UC5 - Management Systems
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and intelligent
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manner
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Manage Infrastructure UC6
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 15
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City Data Publisher
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Set commercial city data
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Platform Provider
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Subscribe to proprietary data City Data Consumer
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Commercialise City
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UC7
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Data
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Manage commercial data City Data Publisher
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3. City data is Manage data subscription City Data Consumer
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orchestrated in a
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Data Services Provider
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market place Set commercial data services
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Platform Provider
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Subscribe to commercial services Data Services Consumer
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Commercialise Data
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UC8
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Services
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Manage commercial services Data Services Provider
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Manage services subscription Data Services Consumer
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UC9
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Register in the Platform City Data Consumer
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-
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4. City data is Discover City Data City Data Consumer
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UC10
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offered in an
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User consumes city data via data
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accessible manner
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API’s
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Consume City Data UC11 City Data Consumer
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User downloads datasets
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5. User’s Data Services Provider
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Deploy Data Services UC12
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experience is Platform Provider
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enhanced by the
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Manage Services UC13 - Data Services Provider
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provision of value-
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added services
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Utilise Data Services UC14 City Data Consumer
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2.3 SUB-GOAL 1: City data is collected in an intelligent manner
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Description: The urban platform enables the owners of city data to easily publish both historic and
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data streams in the platform, as well as their associated metadata.
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Rationale: This sub-goal is maintained by the services and functions to accept the publication of
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city data from data providers (of both open and proprietary data) and prepare the contents for
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storage and management within the urban platform. Functions include receiving data, performing
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quality assurance on data, verifying data formatting and document standards, associating meta-
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data information, and coordinating updates to databases and resources management.
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Achieve [City data is exploited
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to its full effect]
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Goal
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co-ena bles
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How we achieve the platform overall goal?
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Maintain [City data is provided in
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a harmonised manner]
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S ub-Goal 1
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What actions can maintain the sub-goal?
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Achieve [Register Publisher] Achieve [Publish City Data] Achieve [Manage Resources]
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UC1 UC2 UC3
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Figure 5. Sub-Goal 1 “City data is collected in an intelligent manner” refinement.
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Drivers: Ensure data is published in an easy and uniform way.
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 16
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Actions: For Sub-Goal 1 to be maintained in the long-run it requires the efficient realisation of use
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cases: “Publish City Data” and “Manage Resources”, as shown in Figure 5.
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2.3.1 Use Case: Register Publisher
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ID: UC1
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Refines: SUB-GOAL 1: City data is collected in an intelligent manner
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Pre-condition: Data Publisher is not logged in the system
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Actors: Data Publishers
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Rationale: Data Publishers can register in the platform and request approval to submit city data.
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They provide valid registration details (to be defined) and wait for registration confirmation.
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Platform Providers may authorise or not data publishers to offer both open and proprietary city data
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in the platform. Data submission agreement is a formal agreement between the Data Provider and
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the Urban Platform defining the terms of the content, standards, metadata creation, and license
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agreement. The Urban Platform will proactively work with Data Providers to agree on the content,
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quality and format of city data. Agreements between Platform and Data Providers may be
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renegotiated on a periodic or ad-hoc basis.
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Refines into requirements: FREQ.1 to FREQ.5.
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Use Case Basic Stimulus and Responses
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1. The platform prompts the user for a username and password or
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register new account.
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2. The user selects registration option.
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3. The platform prompts user for publisher registration information (e.g.
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username, password, organisation)
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4. The user enters in their information.
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UC1. Register 5. Platform verifies information and creates account.
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Publisher o If non-valid information, platform shows error message and
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returns to step 1.
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6. Platform provider is requested to approve the account
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o Platform acknowledges registration has been successful
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o If non approved, platform shows error message and returns to
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step 1.
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7. End of registration
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2.3.2 Use Case: Publish City Data
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ID: UC2
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Refines: SUB-GOAL 1 - City data is collected in an intelligent manner
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Pre-condition: User is authenticated in the platform
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Actors: City data publisher
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Rationale: The Publish City Data function provides the appropriate mechanisms to receive city data from
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authorized data providers. Data may be manually uploaded or submitted via APIs. In general, data providers
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with whom the Urban Platform negotiates submission agreements are the providers of proprietary city data
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(those producing published material, i.e. publishers) and open data, and they can be either humans or
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machines. The providers of the Urban Platform will provide data providers with specifications on the content,
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quality and format of data, and publication terms and conditions.
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 17
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The Publish City Data function may represent a legal transfer of custody for the data in the urban platform,
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and may require that special access controls be placed on the contents. This function provides a
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confirmation of receipt of data publication to the Producer, which may include a request to resubmit data in
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the case of errors resulting from the submission.
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Once data has arrived, it must undergo several reviews, including virus checking, format compliance,
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metadata minimum requirement agreement, quality and anticipated content and data formatting. The
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platform must include the ability to record all actions and decisions made concerning the publication of city
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data. The reasons for publication failure (e.g. missing metadata information, non-valid dataset) will be
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provided back to the city data publisher. In some cases, the provider can then resubmit corrected data and
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metadata information, while in other instances data publication refusal criteria should prevent the publisher
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from submitting the same dataset at a later time period (e.g. in cases of suspicious datasets – copyrights
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violation, viruses). When data is successfully submitted (either via APIs or manual upload), it will be
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processed/prepared for storage into the platform’s database.
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Specialised Use Cases: The Use Case Publish City Data data is distinguished into two
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specialised Use Cases: “User publishes city data via data API’s (UC2.1)” and “User manually
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uploads datasets (UC2.2)”.
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Subordinated Use Cases: “Store City Data (UC4)”
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Refines into requirements: FREQ 6 to FREQ.26.
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Specialised Use Cases Basic Stimulus and Responses
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1. Platform provides user with an interface for static data
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publication
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2. User selects datasets to be uploaded
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3. User provides metadata associated with the data (license,
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provenance, ownership, semantics) in accordance with defined
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standards
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UC2.1. User manually 4. User requests data publication
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uploads datasets 5. Platform quickly process user’s request for data publication
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6. Platform validates data submitted
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o If valid data, platform acknowledges data publication has
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been successful
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o If non-valid data, platform shows error message and returns
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to step 1.
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7. End of data publication
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1. Platform provides user with an interface for real-time data
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publication
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2. User input data API information
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3. User provides metadata associated with the data (license,
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provenance, ownership, semantics) in accordance with defined
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standards
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UC2.2. User publishes 4. User confirm information and request data publication
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city data via data API’s 5. Platform quickly process user’s request for data publication
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6. Platform validates data submitted
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o If valid data, platform acknowledges data publication has
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been successful
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o If non-valid data, platform shows error message and returns
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to step 1
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End of data publication
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 18
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2.3.3 Use Case: Manage Resources
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ID: UC3
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Refines: GOAL 1: City data is collected in an intelligent manner
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Pre-condition: User successfully authenticates in the platform
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Actors: City data publisher
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Rationale: Manage resources provides the services and functions for updating, maintaining and
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accessing both data and metadata, as well as tracking the usage of resources by users. Ideally
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the owners of the resources should be the only authorised user to manage resources, and other
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authorised users can track the usage of the resources in the platform. The platform must provide a
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database update response indicating the status of the update, avoid update errors to be
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propagated in the platform, and should keep an audit trail of all actions to enable rollback. Data
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usage tracking includes performing queries on the data management data to generate result sets,
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and producing reports from these result sets.
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Specialised Use Cases: The Use Case Manage Resources data is distinguished into two
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specialised Use Cases: “User manages resources (UC3.1)” and “User tracks resources usage
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(UC3.2)”.
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Subordinated Use Cases: “Transmit Data (UC5)”
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Refines into requirements: FREQ.27 to FREQ.25.
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Specialised Use Cases Basic Interactions and Responses
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1. Platform provides user with an interface for resources
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management (e.g. data and metadata, data usage)
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2. User chooses to edit or delete data
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3. If edit, user revise metadata associated with the data (license,
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provenance, ownership, access-control, semantics);
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UC3.1. User manages 4. If delete, user selects dataset(s) to be removed
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resources 5. User confirms action
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6. Platform quickly process user’s request
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7. Platform confirms execution of request
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o If valid request, platform acknowledges request has been
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processed successfully
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o If non-valid request, platform returns to step 1.
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8. End of resources management
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1. Platform provides user with an interface for resources
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management (e.g. data and metadata, data usage)
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2. User chooses to visualise usage information of a dataset
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UC3.2. User tracks 3. Platform quickly process user’s request for data usage
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resources usage information
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4. Platform provides user with statistical information about data
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usage and data users anonymised information
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5. End of data usage tracking.
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2.3.4 Functional Requirements
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Req. ID UC. ID Description Priority Domain
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Societal Needs,
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FREQ.1 UC1 Allow data publishers to register to submit data for publication Must
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Platform
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Tracks data publication agreements between Data and Platform Business Needs,
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FREQ.2 UC1 Must
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Providers Platform
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 19
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Store terms of agreements, and use them to monitor/review/process
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FREQ.3 UC1 Must City Data, Platform
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data submissions.
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Able to add and edit terms of agreement, based on access of level of Business Needs,
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FREQ.4 UC1 Must
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user. Platform
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FREQ.5 UC1 Data publications are managed and monitored Must City Data, Platform
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Allow authenticated users from across different organisations to City Data, Platform,
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FREQ.6 UC2 Must
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publish city data Business Needs
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Provide authorization mechanisms for users and sensors to publish
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FREQ.7 UC2 Must City Data, Platform
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city data
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City Data, Platform,
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FREQ.9 UC2 Provide mechanisms for static data publication Must
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Business Needs
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City Data, Platform,
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FREQ.10 UC2 Provide mechanisms for real-time data publication Must
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Business Needs
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FREQ.11 UC2 Enable the publication of metadata Must City Data, Platform
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FREQ.12 UC2 Maintain temporal information about the data Must City Data, Platform
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FREQ.13 UC2 Support sensory data collection Must City Data, Platform
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FREQ.14 UC2 Accepts content in numerous file types/formats Must City Data, Platform
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Prompts a request for resubmission to the data provider if an error of
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FREQ.15 UC2 Must City Data, Platform
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data transmission or receipt occurs
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FREQ.16 UC2 Enable the semantic description of connected devices Must City Data, Platform
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FREQ.17 UC2 Gather data from authenticated and authorized devices Must City Data, Platform
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FREQ.18 UC2 Validates automatically the successful transfer of the data Must City Data, Platform
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FREQ.19 UC2 Performs virus checking on data Must City Data, Platform
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Verifies the validity of the submission based on submitter, expected
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FREQ.20 UC2 Must City Data, Platform
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format, data quality, and completeness
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Platform should have built-in checks on the incoming metadata. Data
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FREQ.21 UC2 not containing the minimally defined set of attributes should be Must City Data, Platform
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returned to the publisher for metadata enhancement.
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System should have a user-friendly method of mapping non-standard
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FREQ.22 UC2 Should City Data, Platform
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metadata elements into approved standard elements.
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Once ingested, metadata should be stored in a single common format.
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FREQ.23 UC2 This format should be one that ensures against data loss, and allows a Must City Data, Platform
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variety of access/distribution options
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Data in the repository shall have sufficient technical metadata to
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FREQ.24 UC2 assure functionality (e.g. viewing and display) to ensure accessibility Must City Data, Platform
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and reusability.
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Allows publishers to display and perform manual/visual quality control Business Needs, City
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FREQ.25 UC2 Could
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assurance via a user-friendly GUI Data, Platform
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Business Needs, City
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FREQ.26 UC2 Any errors shall prompt a request for resubmission of data Should
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Data, Platform
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FREQ.27 UC3 Enable data providers to manage their resources Must Business Needs
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A minimal set of identifying information/metadata concerning data Business Needs,
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FREQ.28 UC3 Must
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publication submission must be recorded Platform
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 20
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Stores and tracks versions of data. Links /connections between
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FREQ.29 UC3 Must City Data, Platform
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versions are created and maintained
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Give service and data providers access to anonymized data of the Business Needs
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FREQ.30 UC3 Should
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subscribers of their data or services
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City Data, Platform,
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FREQ.31 UC3 Enable data providers to maintain and repair data and metadata Should
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Business Needs
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Tracks data publication agreements between Data and Platform Business Needs,
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FREQ.32 UC3 Must
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Providers Platform
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Store terms of agreements, and use them to monitor/review/process
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FREQ.33 UC3 Must City Data, Platform
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data submissions.
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Able to add and edit terms of agreement, based on access of level of Business Needs,
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FREQ.34 UC3 Must
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user. Platform
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FREQ.35 UC3 Submission volumes and schedules are managed and monitored Must City Data, Platform
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2.4 SUB-GOAL 2: City data is managed in a safe and intelligent manner
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Rationale: The urban platform enables users to publish, consume and commercialise data, as well
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as deploy and manage services all in a secure and privacy protected manner.
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Achieve [City data is exploited
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to its full effect]
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Goal
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co-ena bles
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Maintain [Resources are managed in a
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safe and intelligent manner]
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S ub-Goal 1
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Achieve [Store Data] Achieve [Transmit Data] Achieve [Manage Infrastructure]
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UC4 UC5 UC6
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Figure 6. Sub-Goal 2 “City data is managed in a safe and intelligent manner” refinement.
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Drivers: Ensure data is secured and the identity of users are preserved
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Actions: For Sub-Goal 2 to be maintained in the long-run it requires the efficient realisation of use
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cases: “Store City Data” and “Retrieve and Transmit City Data”, as shown in Figure 6.
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2.4.1 Use Case: Store City Data
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ID: UC4
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Refines: SUB-GOAL 2: City data is managed in a safe and intelligent manner
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Pre-condition: Data is successfully published in the platform
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Actors: Urban Platform
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Rationale: When data is successfully submitted (either via APIs or manual upload), it is
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processed/prepared for storage into the platform’s database. This procedure will include the
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 21
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generation of unique identifiers to the database, enrichment with ontologies (when applicable),
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encrypted (when applicable), signed with digital certificates (when applicable) to ensure that the
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data conforms to the platform data formatting, standards, security and regulation. Data may be
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converted to accepted formats, as needed (e.g. graph model). A primary goal of the conversion of
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content for the platform is the preservation of the content. Priority will be given to preserving the
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data accordingly to the policies defined in section (2.6.2). Access-control levels and license models
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are associated to data which is subject to restrictions relating to access and conditions of use.
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Refines into requirements: FREQ 28 – FREQ 39.
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Use Case Basic Interactions and Responses
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1. Platform mechanisms converts submitted data into a standard format
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2. Security enforcement (e.g. anonymisation, cryptography) is placed on
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sensitive information.
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UC4. Store City 3. Platform associates with datasets the access-control definitions set by
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Data owner of resources.
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4. Data is enriched with semantics and is associated with other datasets
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5. Platform stores data in a scalable and secure database.
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6. End of data storage.
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2.4.2 Use Case: Transmit Data
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ID: UC5
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Refines: SUB-GOAL 2: City data is managed in a safe and intelligent manner
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Pre-condition: Data is successfully published in the platform
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Actors: Urban Platform
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Rationale: The platform accepts data retrieval request, validates user’s rights to access the data,
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retrieves city data from data storage, and moves a copy of the data to the relevant platform
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component for further processing. If special processing is required, the retrieval function accesses
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data in staging storage and applies the requested processes. The types of operations, which may
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be carried out, include sub-sampling in temporal or spatial dimensions, conversions between
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different data types or output formats, and other specialized processing (e.g., data visualisation).
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Once it is finalised data will be sent to the appropriate delivery channels (e.g. API’s, GUI). It also
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encompasses function to verify corruption during any internal data transfer. This function requires
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that all hardware and software within the platform provide notification of potential errors and that
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these errors are routed to standard error logs that are checked by the Platform Provider.
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Refines into requirements: FREQ 40 to 54.
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2.4.3 Use Case: Manage Infrastructure
|
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ID: UC6
|
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Refines: SUB-GOAL 2: City data is managed in a safe and intelligent manner
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Pre-condition: The platform is available
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Actors: Urban Platform
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Rationale: Manage infrastructure provides the services and functions for the overall operation of
|
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the urban platform. Administration functions include monitoring quality of service agreements,
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auditing data publication to ensure that they meet archive standards, and maintaining configuration
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management of system hardware and software. In overall, it provides system engineering
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functions to monitor and improve platform operations, and to inventory, report on, and
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migrate/update the contents of the platforms’ databases.
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Refines into requirements: FREQ 55 to 62.
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Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 22
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Use Case Basic Interactions and Responses
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1. Platform keeps monitoring services at run-time to ensure operation
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and integrity of city data
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o If system failure, the platform activates mechanisms for recovery
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UC6. Manage based on pre-defined rules
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Infrastructure o Platform logs issue and issue alert messages to platform providers
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2. Platform logs operation capabilities (e.g. performance, mean of time
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failure, issues, etc.)
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2.4.4 Functional Requirements
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Req. ID UC. ID Description Priority Domain
|
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A minimal set of identifying information/metadata concerning data Business Needs,
|
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FREQ.28 UC4 Must
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publication submission must be recorded. Platform
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Stores and tracks versions of data. Links /connections between
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FREQ.29 UC4 Must City Data, Platform
|
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versions are created and maintained.
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FREQ.30 UC4 Converts data to accepted file formats Must City Data, Platform
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|
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Keep sensitive information secured and accessible only to authorized
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FREQ.31 UC4 Must City Data, Platform
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users
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FREQ.32 UC4 Keep user’s personal information protected Should City Data, Platform
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|
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FREQ.33 UC4 Keep city data and meta-data secured Must Platform Needs
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|
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FREQ.34 UC4 Enable privacy preserving mechanisms associated to data Must Platform Needs
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FREQ.35 UC4 Model data in accordance with defined standards Must City Data, Platform
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FREQ.36 UC4 Support the use of ontologies and semantic modelling of city data Could City Data
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FREQ.37 UC4 Support database-level provenance annotation Should City Data
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FREQ.38 UC4 Support data-level provenance annotation Should City Data
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||
|
||
|
||
FREQ.39 UC4 Enable data to be encrypted Should Platform Needs
|
||
|
||
System must have the ability to search and display metadata, preferably
|
||
City Data, Platform
|
||
FREQ.40 UC5 in a user-conformable, human readable display as well as in its native Must
|
||
Needs
|
||
format for machine harvesting and manipulation.
|
||
Controls access to data in the repository based on multiple permission
|
||
City Data, Platform
|
||
FREQ.41 UC5 levels. These permission levels determine the create/edit/read/delete Should
|
||
Needs
|
||
privileges granted users.
|
||
Access rights and conditions of use will be held for each data and its City Data, Platform
|
||
FREQ.42 UC5 Should
|
||
related metadata. Needs
|
||
Access rights and conditions can be inherited from a parent data to any City Data, Platform
|
||
FREQ.43 UC5 Could
|
||
data designated as a child data (derived information). Needs
|
||
Access rights and conditions of use will be machine readable and City Data, Platform
|
||
FREQ.44 UC5 Should
|
||
actionable. Needs
|
||
Access mechanisms must be sufficiently granular to allow the Business Needs, City
|
||
FREQ.45 UC5 identification of individual users, in order to maintain audit logs of actions Should
|
||
Data, Platform
|
||
performed by users.
|
||
Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 23
|
||
|
||
|
||
Maintains the integrity of the database which contains both metadata
|
||
FREQ.46 UC5 and system information. Must Platform Needs
|
||
|
||
Provides internal validation such as referential integrity of the contents of City Data, Platform
|
||
FREQ.47 UC5 the database. Must
|
||
Needs
|
||
Creates and maintains schema definitions required to support data
|
||
FREQ.48 UC5 management functions. Must Platform Needs
|
||
|
||
Monitors and ensures that data and metadata are not corrupted during
|
||
FREQ.49 UC5 transfers. Must Platform Needs
|
||
|
||
Provides statistically acceptable assurance that no components of the
|
||
FREQ.50 UC5 data are corrupted during any internal data transfer. Must Platform Needs
|
||
|
||
Performs routine and special data integrity checking for each dataset
|
||
FREQ.51 UC5 and generates error reports. Must Platform Needs
|
||
|
||
Provides disaster recovery capabilities including data backup, off-site
|
||
FREQ.52 UC5 data storage, data recovery, etc. Must Platform Needs
|
||
|
||
Refresh/replace data without service interruption, and update
|
||
FREQ.53 UC5 corresponding metadata as appropriate. Must Platform Needs
|
||
|
||
Ensure that any associated unique identifiers of the updated data are not
|
||
FREQ.54 UC5 altered. Must Platform Needs
|
||
|
||
Audits submissions to ensure that they meet archive/repository
|
||
FREQ.55 UC6 standards. Must Platform Needs
|
||
|
||
Maintains configuration management of the system hardware and
|
||
FREQ.56 UC6 software. Must Platform Needs
|
||
|
||
Has capability to inventory, report on and migrate the contents of the
|
||
FREQ.57 UC6 repository. Must Platform Needs
|
||
|
||
|
||
FREQ.58 UC6 Ensures data integrity for version upgrades and format migration. Must Platform Needs
|
||
|
||
|
||
FREQ.59 UC6 Monitors functionality of the entire repository. Must Platform Needs
|
||
|
||
|
||
FREQ.60 UC6 Maintains integrity of system configuration. Must Platform Needs
|
||
|
||
Audits system operations, performance and usage.
|
||
FREQ.61 UC6 Must Platform Needs
|
||
|
||
Provides platform performance information and database holdings
|
||
FREQ.62 UC6 inventory reports Must Platform Needs
|
||
|
||
|
||
|
||
|
||
2.5 SUB-GOAL 3: City data is orchestrated in a marketplace
|
||
Rationale: The urban platform enables users to consume and publish data in a secure and privacy
|
||
protected manner.
|
||
Drivers: Ensure data is secured and the identity of users are preserved
|
||
Actions: For Sub-Goal 3 to be maintained in the long-run it requires the efficient realisation of use
|
||
cases: “Commercialise City Data” and “Commercialise Data Services”, as shown in Figure 7.
|
||
Requirements Specification for Urban Platforms (EIP_SCC Initiative) Page 24
|
||
|
||
|