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Work in Progress on the
Standardization of Online
Laboratories for Education
IEEE EdSoc Meeting
Co-sponsored by TELUQ
19-Nov-2015
Miguel R. Artacho
miguel@lsi.uned.es
IEEE SA P1876 Group
Chair: Hamadou Saliah-
Hassane
Draft Editors: Miguel
Rodriguez Artacho, Denis
Gillet, Hamadou Saliah-
Hassane
https://ieee-sa.centraldesktop.com/1876public/
Networked Smart Learning Objects for Online Laboratories
Scope
Content
• Context
• Normative references
• Definitions
• Standardization levels and information
• Metadata
• Learner experience and outcomes
Online laboratories: context
P1876
Authentication
Widgets definition
Metadata
Open Social App
Smart Device approach
Booking and scheduling
Authorization
Metadata & Vocabulary
Network
Protocols
User
Interfaces
IVI
Specification
P1876
ONLINE
LABORATORY
REMOTE
LABORATORY
VIRTUAL
LABORATORY
PHYSICAL
LABORATORY
Educational Perspective
Laboratory as a Service
Laboratory as an Educational Resource
LaaS
LaaO
Learning
Scenario
Standardization Levels
Learning environments or learning object repositories
Interactive Open Educational Lab (OEL)
Lab as an OER (LaaO)
Smart Device
Lab as a Service (LaaS)
Courses
Scenarios
Activities
Support material, Personalized, user interfaces, task sequences, paths
Standard:
MLR extension
xAPI extension
Standard:
Service metadata
Services
Protocols
Online Lab
=
Object
Actions
Traces
Sensor Data
State
log
Knowledge
Learning
outcome
LEVEL 1
Embedded Things
LEVEL 2
Embedded pedagogy
Apparatus, sensors, actuators,
instruments, controllers, embedded
server computer or microcontroller
User prefs
Context
LTI
Configuration
Actuator data
P1876 Draft Sections
• Normative references
• Definitions
• Laboratory as a Service
–Service Metadata
–Service specification
• Laboratory as OER
–Metadata:
• Resource metadata --> MLR part 2
• Interopetability metadata --> LTI
–Outcomes: xAPI triplets (LRS)
• Annexes: Service Bindings
Normative References
• IETF RFC 2396, Uniform Resource Identifiers (URI): Generic Syntax.
• ISO 639-1, Code for the representation of names of languages—Part 1: Alpha-2 code.
• ISO 639-2, Codes for the representation of names of languages—Part 2: Alpha-3 code.
• ISO 3166-1, Codes for the representation of names of countries and their subdivisions—Part 1: Country codes.
• ISO 8601:2000, Data elements and interchange formats—Information interchange—Representation of dates and times.
• ISO/IEC 646:1991, Information technology—ISO 7-bit coded character set for information interchange.
• ISO/IEC 10646-1, Information technology—Universal Multiple-Octet Coded Character Set (UCS)—Part 1: Architecture and Basic
Multilingual Plane.
• ISO/IEC 11404:1996(E), Information technology—Programming languages, their environments and system software interfaces—
Language-independent datatypes.
• ISO 15836:2009(E) -- Information and Documentation The Dublin Core Metadata Element
• W3C Resource Description Framework (RDF) Revised Edition, available online at http://www.w3.org/TR/REC-rdf-syntax/
• The Singapore Framework for Dublin Core Application Proles, availableonline at http://dublincore.org/documents/singapore-framework/
• DCMI Description Set Profile Model. Working Draft, December 2007, availble online at:
http://dublincore.org/architecturewiki/DescriptionSetProfile
Definitions
Online laboratory: Could be either a remote laboratory or a
virtual laboratory which is accessible online. By nature, online
laboratories are distributed as they are located and operated in
different facilities (a remote lab is hosted by its owner and the
server or the cluster running a virtual lab is hosted by its
provider).
Remote laboratory : The remote laboratory is an apparatus and
its instrumentation that can be accessed, monitored and
controlled at distance. It typically includes the physical artefacts
that exhibit the phenomena being explored, as well as the
transducers, sensors, and actuators that allow interaction with
those artefacts. A remote laboratory is located in a real facility
(building). It is managed and offered by a provider (person,
institution, organization or company).
Definitions
Virtual Laboratory: End-user interactive simulation
software application to provide users with a learning activity
otherwise unachievable on a local device. The simulation
mimic the behaviors of an apparatus in various contexts of
use and rely on its model defined at an appropriate level of
abstraction. In general, interactive simulation, design,
analysis and visualization go together. Virtual laboratory is
executed on a physically server or cluster. It is managed
and offered by a provider (person, institution, organization
or company).
Definitions
Mobile laboratory: Sensors can be hosted on vehicles (for
pollution monitoring as example) and carried out by students
when working in the field. In this case, the focus of the
experiment is an environment rather than an apparatus. The
corresponding mobile laboratory has not fixed IP address or
location. It is rather the contextual data storage which can be
considered as an online lab. It is referred as a mobile lab.
Definitions
Interactive Open Educational Laboratory (OEL): An interactive Open
Educational Resource (OER) integrating an online laboratory. Remote
or virtual laboratory especially design for personal or collaborative,
synchronous or asynchronous educational activities, such as distance
learning, massive open online courses, personal learning, or blended
learning. The user actions with the OEL results in the generation of a
set of user activity traces.
Learning activity: A learning activity is a coherent set of tasks
involving a learner or a group of learners and a set of online
educational resources intended to result in learning outcomes. When
the learning activity is carried out with an OEL, it is referred to as an
Experiment. An experiment can be carried out in one or more learning
sessions.
Definitions
Client Interface: The software user interface through
which a user (the client) configure, manipulate and observe
an online laboratory and hence undertakes an experiment,
and subsequently retrieves experimental results. This may
or may not involve direct interaction with the apparatus.
When live interaction is possible, the client interface enable
interactive experimentation, otherwise it enable batch
experimentation.
Laboratory as a Service (LaaS)
•Not tied to specific technology or protocol
(Web Services, etc.)
•Lab functions as independent component
modules
•Cloud based:
–Seamless use of services
– Laboratories are seen as web objects
–Services can be mashed up
Laboratory as a Service (LaaS)
See current draft
3.2 Metadata
• General information on the online lab, including its name,
description or contact information.
• List of APIs to access the services (i.e., actuators service). The
services themselves are described in Section 3.3.
• The authorization mechanisms, to allow access to the
described services only by the granted users.
• The concurrent access mechanisms, to manage multiple
access at the same time to the same resource
Laboratory as a Service (LaaS)
• General metadata fields
• Binding metadata fields
• Service Description metadata fields
• Protocol vocabulary
• Operation metadata fields
• Method vocabulary
• WebSocketType vocabulary
• resultType element
• Parameter metadata fields
• Model metadata fields
• Authorization metadata fields
• authorizationType vocabulary
• Concurrent access metadata fields
• interactionMode vocabulary
• concurrencyScheme vocabulary
• roleSelectionMechanism vocabulary
• Role metadata fields
Laboratory as a Service (LaaS)
3.3 Services
• getSensorMetadata
• getSensorData
• getActuatorMetadata
• sendActuatorData
• getLoggingInfo
• getClients
• getModels
Laboratory as a Service (LaaS)
3.4 Functionalities
• Authentication functionality
• Self and known state functionality
• Security and local control
• Logging and alarms
3.5 Protocols
• HTTP (to get metadata)
• WebSocket (for interaction with the online lab)
• Others…
The Learning Object model and the
Online Laboratories
• In the e-learning arena, online laboratories could be linked with
the general concept of learning activity: “any activities of an
individual organized with the intention to improve his/her
knowledge, skills and competence”.
• There are standards and specifications that cover the
interoperability of a subset of the following specific features of
the LO:
• Description and tagging: metadata.
• Content structuring and packaging.
• Sequencing.
• Learning tools and services interoperability.
• Learning Design
• USER INTERFACES
Metadata
• Services (Operational)
Operational metadata for services and
functionalities
• Resources (Educational)
–Description
Consider MLR as metadata schema -->
+ extensions
–Interoperability
• Outcomes
xAPI1 LRS statements
1 © U.S. Government © Advanced Disdtributed Learning (ADL)
Learner Experience
Learning activity described using ADL Training
and Learning Architecture (TLA)
Student activity stored in LRS (Learning Record
Store)
LRS and LMS communicate through API called
eXperience API (xAPI)
LRS statements
I did THIS
Example Verb “Rotate“
Property Value Type
Id http://IEEE-SA-P1876.com/expapi/verbs/experienced String
Name Rotate – to rotate an actuator certain degrees String
Display { "en-US" : "rotated"} Object
description Turn an actuator on an axis certain degrees. String
objectTypes Actor (actuator) String[]
Result Extension String[]
Context No recommendations String[]
Acknowledgements
Work in Progress on the
Standardization of Online
Laboratories for Education
IEEE EdSoc Meeting
Co-sponsored by TELUQ
19-Nov-2015
Miguel R. Artacho
miguel@lsi.uned.es
Thanks!

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Standardization of Online Laboratories for Education. 2015-11-19

  • 1. Work in Progress on the Standardization of Online Laboratories for Education IEEE EdSoc Meeting Co-sponsored by TELUQ 19-Nov-2015 Miguel R. Artacho miguel@lsi.uned.es
  • 2. IEEE SA P1876 Group Chair: Hamadou Saliah- Hassane Draft Editors: Miguel Rodriguez Artacho, Denis Gillet, Hamadou Saliah- Hassane https://ieee-sa.centraldesktop.com/1876public/ Networked Smart Learning Objects for Online Laboratories
  • 4. Content • Context • Normative references • Definitions • Standardization levels and information • Metadata • Learner experience and outcomes
  • 6. P1876 Authentication Widgets definition Metadata Open Social App Smart Device approach Booking and scheduling Authorization Metadata & Vocabulary Network Protocols User Interfaces IVI Specification
  • 8. Educational Perspective Laboratory as a Service Laboratory as an Educational Resource
  • 10. Standardization Levels Learning environments or learning object repositories Interactive Open Educational Lab (OEL) Lab as an OER (LaaO) Smart Device Lab as a Service (LaaS) Courses Scenarios Activities Support material, Personalized, user interfaces, task sequences, paths Standard: MLR extension xAPI extension Standard: Service metadata Services Protocols Online Lab = Object Actions Traces Sensor Data State log Knowledge Learning outcome LEVEL 1 Embedded Things LEVEL 2 Embedded pedagogy Apparatus, sensors, actuators, instruments, controllers, embedded server computer or microcontroller User prefs Context LTI Configuration Actuator data
  • 11. P1876 Draft Sections • Normative references • Definitions • Laboratory as a Service –Service Metadata –Service specification • Laboratory as OER –Metadata: • Resource metadata --> MLR part 2 • Interopetability metadata --> LTI –Outcomes: xAPI triplets (LRS) • Annexes: Service Bindings
  • 12. Normative References • IETF RFC 2396, Uniform Resource Identifiers (URI): Generic Syntax. • ISO 639-1, Code for the representation of names of languages—Part 1: Alpha-2 code. • ISO 639-2, Codes for the representation of names of languages—Part 2: Alpha-3 code. • ISO 3166-1, Codes for the representation of names of countries and their subdivisions—Part 1: Country codes. • ISO 8601:2000, Data elements and interchange formats—Information interchange—Representation of dates and times. • ISO/IEC 646:1991, Information technology—ISO 7-bit coded character set for information interchange. • ISO/IEC 10646-1, Information technology—Universal Multiple-Octet Coded Character Set (UCS)—Part 1: Architecture and Basic Multilingual Plane. • ISO/IEC 11404:1996(E), Information technology—Programming languages, their environments and system software interfaces— Language-independent datatypes. • ISO 15836:2009(E) -- Information and Documentation The Dublin Core Metadata Element • W3C Resource Description Framework (RDF) Revised Edition, available online at http://www.w3.org/TR/REC-rdf-syntax/ • The Singapore Framework for Dublin Core Application Proles, availableonline at http://dublincore.org/documents/singapore-framework/ • DCMI Description Set Profile Model. Working Draft, December 2007, availble online at: http://dublincore.org/architecturewiki/DescriptionSetProfile
  • 13. Definitions Online laboratory: Could be either a remote laboratory or a virtual laboratory which is accessible online. By nature, online laboratories are distributed as they are located and operated in different facilities (a remote lab is hosted by its owner and the server or the cluster running a virtual lab is hosted by its provider). Remote laboratory : The remote laboratory is an apparatus and its instrumentation that can be accessed, monitored and controlled at distance. It typically includes the physical artefacts that exhibit the phenomena being explored, as well as the transducers, sensors, and actuators that allow interaction with those artefacts. A remote laboratory is located in a real facility (building). It is managed and offered by a provider (person, institution, organization or company).
  • 14. Definitions Virtual Laboratory: End-user interactive simulation software application to provide users with a learning activity otherwise unachievable on a local device. The simulation mimic the behaviors of an apparatus in various contexts of use and rely on its model defined at an appropriate level of abstraction. In general, interactive simulation, design, analysis and visualization go together. Virtual laboratory is executed on a physically server or cluster. It is managed and offered by a provider (person, institution, organization or company).
  • 15. Definitions Mobile laboratory: Sensors can be hosted on vehicles (for pollution monitoring as example) and carried out by students when working in the field. In this case, the focus of the experiment is an environment rather than an apparatus. The corresponding mobile laboratory has not fixed IP address or location. It is rather the contextual data storage which can be considered as an online lab. It is referred as a mobile lab.
  • 16. Definitions Interactive Open Educational Laboratory (OEL): An interactive Open Educational Resource (OER) integrating an online laboratory. Remote or virtual laboratory especially design for personal or collaborative, synchronous or asynchronous educational activities, such as distance learning, massive open online courses, personal learning, or blended learning. The user actions with the OEL results in the generation of a set of user activity traces. Learning activity: A learning activity is a coherent set of tasks involving a learner or a group of learners and a set of online educational resources intended to result in learning outcomes. When the learning activity is carried out with an OEL, it is referred to as an Experiment. An experiment can be carried out in one or more learning sessions.
  • 17. Definitions Client Interface: The software user interface through which a user (the client) configure, manipulate and observe an online laboratory and hence undertakes an experiment, and subsequently retrieves experimental results. This may or may not involve direct interaction with the apparatus. When live interaction is possible, the client interface enable interactive experimentation, otherwise it enable batch experimentation.
  • 18. Laboratory as a Service (LaaS) •Not tied to specific technology or protocol (Web Services, etc.) •Lab functions as independent component modules •Cloud based: –Seamless use of services – Laboratories are seen as web objects –Services can be mashed up
  • 19. Laboratory as a Service (LaaS) See current draft 3.2 Metadata • General information on the online lab, including its name, description or contact information. • List of APIs to access the services (i.e., actuators service). The services themselves are described in Section 3.3. • The authorization mechanisms, to allow access to the described services only by the granted users. • The concurrent access mechanisms, to manage multiple access at the same time to the same resource
  • 20. Laboratory as a Service (LaaS) • General metadata fields • Binding metadata fields • Service Description metadata fields • Protocol vocabulary • Operation metadata fields • Method vocabulary • WebSocketType vocabulary • resultType element • Parameter metadata fields • Model metadata fields • Authorization metadata fields • authorizationType vocabulary • Concurrent access metadata fields • interactionMode vocabulary • concurrencyScheme vocabulary • roleSelectionMechanism vocabulary • Role metadata fields
  • 21. Laboratory as a Service (LaaS) 3.3 Services • getSensorMetadata • getSensorData • getActuatorMetadata • sendActuatorData • getLoggingInfo • getClients • getModels
  • 22.
  • 23.
  • 24.
  • 25. Laboratory as a Service (LaaS) 3.4 Functionalities • Authentication functionality • Self and known state functionality • Security and local control • Logging and alarms 3.5 Protocols • HTTP (to get metadata) • WebSocket (for interaction with the online lab) • Others…
  • 26. The Learning Object model and the Online Laboratories • In the e-learning arena, online laboratories could be linked with the general concept of learning activity: “any activities of an individual organized with the intention to improve his/her knowledge, skills and competence”. • There are standards and specifications that cover the interoperability of a subset of the following specific features of the LO: • Description and tagging: metadata. • Content structuring and packaging. • Sequencing. • Learning tools and services interoperability. • Learning Design • USER INTERFACES
  • 27. Metadata • Services (Operational) Operational metadata for services and functionalities • Resources (Educational) –Description Consider MLR as metadata schema --> + extensions –Interoperability • Outcomes xAPI1 LRS statements 1 © U.S. Government © Advanced Disdtributed Learning (ADL)
  • 28. Learner Experience Learning activity described using ADL Training and Learning Architecture (TLA) Student activity stored in LRS (Learning Record Store) LRS and LMS communicate through API called eXperience API (xAPI)
  • 30. Example Verb “Rotate“ Property Value Type Id http://IEEE-SA-P1876.com/expapi/verbs/experienced String Name Rotate – to rotate an actuator certain degrees String Display { "en-US" : "rotated"} Object description Turn an actuator on an axis certain degrees. String objectTypes Actor (actuator) String[] Result Extension String[] Context No recommendations String[]
  • 32. Work in Progress on the Standardization of Online Laboratories for Education IEEE EdSoc Meeting Co-sponsored by TELUQ 19-Nov-2015 Miguel R. Artacho miguel@lsi.uned.es Thanks!