Caliper Analytics - IMS Korea€¦ · • Open Format –ability to port test items between vendor...
Transcript of Caliper Analytics - IMS Korea€¦ · • Open Format –ability to port test items between vendor...
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Caliper Analyticse-Learning Korea 2018
Markus Gylling
Solutions Architect | Head, IMS Europe
®
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This session
1. Introduction to IMS Global
2. Caliper Overview & Status
3. Caliper Architecture
4. Caliper Future & Next Steps
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1. Introduction to IMS Global
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
• Non-profit, member-based collaborative with a mission to improve the learning experience for students, teachers and administrators
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© 2018 IMS Global Learning Consortium, Inc. All rights reserved.
MEMBERSAND GROWING
450+
++
Suppliers, higher education institutions, K-12 school districts,
states, and government organizations.
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COLLABORATION
IMS Members by
Region
149 HED and K-12
institutions
Members in 22 different
countries
277 edtech suppliers
16 government/state
education agencies
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INITIATIVES
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INITIATIVES
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Employers
Learning
Organizations
Validating
Organizations
Competencies
Employability Skills
Courses
Certifications and Licenses
Intern/Apprenticeships
Degrees, Certificates
A Skills-Based
Digital Credentials
Ecosystem
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© 2017 IMS Global Learning Consortium, Inc. All Rights Reserved @LearningImpact10Open Badges Peeled by Bryan Mathers (Used under CC-BY-ND License)
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INITIATIVES
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© 2017 IMS Global Learning Consortium, Inc. All Rights Reserved. Trademark Information www.imsglobal.org @learningimpact
I
Next Generation Integrations at the Speed of Now
• LTI Advantage builds on LTI v1.3 to enable better and more secureintegrations
• Creates better user experiences• Enables better learning from better learning technology
OAuth 2.0
IMS Security Framework
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INITIATIVES
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved. Trademark Information www.imsglobal.org | @learningimpact
QTI Benefits• Universal Design – accessibility and accommodations for
all students• Open Format – ability to port test items between vendor
platforms• Diagnostic, Formative and Summative – applicable to all
forms of assessment (paper and online)• Device Independent – assessments can be delivered across
a variety of devices, operating systems, and browsers• Ecosystem – alignment with other edtech standards
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Platform (LMS)
QTI
Assessment
Platform
LTI Launch
Proctor Actions
Proctoring
Tool
Admin
Candidate Proctor
Event Logging
(Caliper)
Launch Outcomes
Computer Adaptive
Testing Engine
LTI
Admin
Instructor Student
Roster Data (SIS)
OneRoster
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INITIATIVES
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© 2016 IMS Global Learning Consortium, Inc. All Rights Reserved
OneRoster & Common Cartridge
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Read more at:
IMS Technical Activities
see http://www.imsglobal.org/developers
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Towards an interoperable ecosystem: modus operandi
• Technical Specifications
• Best Practices & Guidelines
• Code Libraries / Reference Implementations
• Certification & Product Directory
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© 2016 IMS Global Learning Consortium, Inc. All Rights Reserved
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Adoption of certified applications/digital resources enables any application to seamlessly plug into another without requiring costly and timely custom integrations and share data to aid understanding of use of digital resources & student progress
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© 2016 IMS Global Learning Consortium, Inc. All Rights Reserved
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Processes & Intellectual Property
• Formalized specification development process• Draft stages & TAB review approval, member vote
• IP protection policy embedded in process• Specifications are not made available to the public
until…• At least two interoperable implementations• IP review is completed
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
IMS EUROPE
IMS JAPAN
© 2018 IMS Global Learning Consortium, Inc. All
rights reserved.
IMS KOREA
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
IMS Europe Summit
November 8-9
Utrecht, Netherlands
Includes general sessions
and LTI Advantage Bootcamp
https://www.imsglobal.org/event/ims-europe-summit-2018
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
also coming this autumn:
• IMS Korea & Japan tech briefings• September: LTI Advantage Developer Toolkit• Expansion of train-the-trainers programme
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INITIATIVES
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2. Caliper Overview & Status
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Why Caliper?
innovation new service
insights
Participation
Outcome
CredentialsSocial
Assessment
Media
Annotation +
interoperabilitydata / semantic
promote
enable
feed
controlled vocabularies
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Caliper 1.x scope
describecollect
transportstore
analyzevisualizereportshare
predictintervene
adapt
instrument persist use
adapt
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Caliper 1.x scope
describecollect
transportstore
analyzevisualizereportshare
predictintervene
adapt
instrument persist use
adapt
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Caliper 1.1 specificationhttps://github.com/IMSGlobal/caliper-spec/
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Caliper 1.1 certificationhttps://github.com/IMSGlobal/caliper-cert-guide/
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Caliper standalone profile releases
Caliper 1.1(Jan 2018)
Caliper 1.2(2019)
base
base
base
candidate
candidate
candidate
Phase Stability Visability Contract
Base (beta)
unstable contributing members vocabulary additions removable at any time
Candidate stable public vocabulary additions included in next point release
Final Stable PublicVocabulary additions rolled into Final Vocabulary/Syntax spec.
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Caliper 1.1 profiles (vocabulary)
AnnotationProfile
AssessmentProfile
ReadingProfile
AssignableProfile
MediaProfile
ForumProfile
Tool UseProfile
SessionProfile
GradingProfile
BasicProfile
Score
1.1 additions
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Caliper: upcoming profiles
Tool LaunchProfile
SearchProfile
BadgingProfile
QTIProfile
MasteryProfile
SurveyProfile
Resource MgmtProfile
ParticipationProfile
FeedbackProfile
SocialProfile …
Rubric
CaseItem
Place
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Caliper code repos (Github)
sensorscaliper-javacaliper-jscaliper-rubycaliper-pythoncaliper-phpcaliper-net
JSON-LDcaliper-contextscaliper-common-fixtures
sample codecaliper-java-examplecaliper-js-examplecaliper-net-example
docscaliper-speccaliper-ontology
project backlogcaliper-central
Caliper repositories are open to the public
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Open Source Implementations
Caliper Sensorscaliper-javacaliper-jscaliper-ruby https://github.com/imsglobalcaliper-pythoncaliper-phpcaliper-net
Caliper EndpointsOpenLRWhttps://github.com/Apereo-Learning-Analytics-Initiative/OpenLRW
Callistohttps://openedinc.github.io/callisto/
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https://github.com/purdue-tlt/Caliper-iOS
OSS (Apache 2)
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Real World Implementation Examples
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Real World Implementation Examples:
Unizin
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The Unizin Consortium
© Kara Boldt & Etienne Pelaprat, Unizin
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Unizin Data Platform
Three key ideas
● A common model for all T&L dataUnifies a representation of teaching & learning data
● An institutional T&L data platformIntegrate all T&L tool data and create a single, dynamic view of the learner.
● Collaboration in data products and servicesEnable collaboration in research, analytics, reporting, tools, etc.
© Kara Boldt & Etienne Pelaprat, Unizin
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Event stream
Tool
BCaliper
endpoint
Tool
A
LMS
Tool C
Tool D
Unizin Data
Platform
1
2
4
3
Event processing
1. Data enrichment
2. Time-window
processing
3. Predictive modeling
4. ...
© Kara Boldt & Etienne Pelaprat, Unizin
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State today
● 4 running Unizin Data Platforms
● Fall 2018: 500M+ events across the consortium
● Partners: Instructure Canvas, Turnitin, Macmillan Learning,
TopHat
● Institutional tools: IU Quickcheck, UMich LectureCapture, Unizin
Engage
© Kara Boldt & Etienne Pelaprat, Unizin
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Data-driven teaching and learning
● Advising. Understanding and guiding student habits, practices, behaviors.
● Content and course design. Outcomes-oriented behaviors reveal efficacy
of design.
● Teaching analytics. In-the-moment, just-in-time-teaching analytics based
on interaction data.
● Learning analytics. Student insights into own behaviors, habits; nudging.
● Adaptive learning. Analytics-driven content and assessment.
● … and many more.
© Kara Boldt & Etienne Pelaprat, Unizin
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Caliper endpoint
● Required component for any data ingestion
● Unizin has built one
● https://unizin.caliper.dev.cloud.unizin.org
© Kara Boldt & Etienne Pelaprat, Unizin
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Real World Implementation Examples:
Canvas
Canvas LiveEvents migration to Caliper 1.1 completed by EOY 2018
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Michigan/Canvas LMS Live Events (Caliper)
Peak: ~1.43M events/day
Unizin UDP endpoint
Messages per day, March 2018
1.4M
1.2M
1.0M
800K
600K
9-10 Mar 16-17 Mar 23-24 Mar2-3 Mar
5-6 Mar 11-12 Mar 18-19 Mar
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Real World Implementation Examples:
Blackboard Learn
• AssessmentEvent
• AssessmentItemEvent
• AssignableEvent OutcomeEvent
• SessionEvent
• ViewEvent
• LTIEvent
• ContentEvent
• CalculatedGradeSnapshotEvent
• ForumEvent
• BlogEvent
• WikiEvent
Migration to Caliper 1.1
currently ongoing
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https://www.imsglobal.org/ims-app-note-resource-efficacy-caliper-analytics
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Notre Dame: OpenLRW
MongoDBAtlas
Cluster
OpenDashOpenDash
OpenDash
OpenLRWOpenLRW
OpenLRW
HTTPS
Elastic Load Balancer Elastic Load Balancer
auto scaling auto scaling
HTTPS
HTTPS HTTPS
Tableau
visualizations/reporting
Tableau
VPC
VPC
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UC Berkeley: CloudLRS
SQS
dispatcher queue
S3
cloud storage
batch import
Caliper stream
serverlesscompute
orchestrationservice
AmazonRDS
AuroraCluster
EventProducer
SElastic
BeanstalkLambda
https://aws.amazon.com/about-aws/global-infrastructure/
ingest
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3. Caliper Architecture
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Model
Caliper model
Profile
Event actionaction
entityEntity
propertyproperty
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The Caliper Profile
Profile
Event•models a learning activity or a supporting activity that helps facilitate learning
• encourages vocabulary standardization and re-use among application providers
Vocabulary restrictions are outlined in each profile:
• supported events
• supported actors
• supported actions
• supported objects
• supported generated entities
• supported target entities
• other requirements
Provides a domain-specific set of terms and concepts to describe
common user interactions in a consistent manner using a shared vocabulary.
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The Caliper Event
Describes the relationship established between an actor and an object,
formed as a result of a purposeful action undertaken by the actor at a
particular moment in time and within a given learning context.
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The Caliper Event: properties
actor {} required
@context
optional
eventTime
target {}
generated {}
referrer {}
edApp {}
group {}
membership {}
session {}
extensions {}
type
federatedSession {}
action object {}
id= new 1.1
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Caliper 1.x SearchEvent (1.1 extension)
Person
Searched
DigitalResourc
e
SearchResult
eventTime
assertion
actor
object
actiongenerated
Query
Query
DigitalResour
ce
actor
target
Query.searchString<string>
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The Caliper Entity
A generic type that represents objects that participate in learning-related activities. Each Entity is provisioned with a modest
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Caliper Profile: Media
started / endedchangedSizechangedSpeedchangedResolutionchangedVolumeenteredFullScreen / exitedFullScreenforwardedTojumpedTomuted / unmutedopenedPopout / closedPopoutpaused / resumedenabledClosedCaptioning / disabledClosedCaptioning
navigatedTo viewed
NavigationEvent ViewEvent
MediaEvent
MediaObject
AudioObject
ImageObject
VideoObject
MediaLocati
on
Person
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Caliper Media Object
id
type
name
description
creators
mediaType
keywords
learningObjectives
isPartOf
duration
dateCreated
dateModified
datePublished
version
extensions
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Caliper and Linked Data
• The basic triple: actor verb object
• Caliper uses JSON-LD as the serialisation
• JSON-LD provides context to statements
• Caliper also provides an ontology
• Caliper is designed so that JSON-LD awareness is optional
https://json-ld.org/primer/latest/
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Triples in Caliper and xAPI
actor {} action object {}
optional
xAPI statement
Caliper event
actor {} verb object {}
id (recommended)
context {} result {}
authority {} attachments []
target {} generated {} referrer {}
edApp {} group {} membership {}
session {} federatedSession {}
extensions {}
eventTime
stored (set by LRS)
version (not recommended)
@context type id
timestamp
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Serialising and sending Caliper events: the sensor API
Implementing the Sensor provides instrumented platforms, applications and
services with a transport interface for communicating with data consumers.
A Caliper Endpoint MUST be capable of receiving Caliper data sent over HTTP by a
Caliper Sensor using the standard POST request method. The connection MUST be
secured with Transport Layer Security (TLS) and a valid TLS certificate provided.
The Envelope allows for transporting multiple events in batch mode
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4. Caliper Future & Next Steps
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Caliper 1.2
• Timeline: Spring 2018
• Endpoint behaviours and certification
• Additional semantic profiles
• Learning Tools Interoperability® (LTI® ) Caliper
Analytics® Endpoint Service
https://github.com/IMSGlobal/caliper-central/issues
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Caliper standalone profile releases
Caliper 1.1(Jan 2018)
Caliper 1.2(2019)
base
base
base
candidate
candidate
candidate
Phase Stability Visability Contract
Base (beta)
unstable contributing members vocabulary additions removable at any time
Candidate stable public vocabulary additions included in next point release
Final Stable PublicVocabulary additions rolled into Final Vocabulary/Syntax spec.
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Caliper: upcoming profiles
Tool LaunchProfile
SearchProfile
BadgingProfile
QTIProfile
MasteryProfile
SurveyProfile
Resource MgmtProfile
ParticipationProfile
FeedbackProfile
SocialProfile …
Rubric
CaseItem
Place
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© 2018 IMS Global Learning Consortium, Inc. All Rights Reserved
Caliper ⬌ xAPI harmonisation
• IMS POV: content is king
• Data roundtrippability/vocabulary management
• Sensor / Activity Provider API
• Transport protocols, security models
• Endpoint/LRS Queries
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Thank you!
Markus Gylling
Solutions Architect | Head, IMS Europe