The big story of small data.
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Transcript of The big story of small data.
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the Big Storyof Small Data
Alan DixTalis & University of Birmingham
http://alandix.com/alanwalkswales/
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about meand what I do
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University ofBirmingham
Tiree
Tiree Tech Wavenext March 2015
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today I am not talking about …• intelligent internet interfaces• visualisation and sampling• situated displays, eCampus,
small device – large display interactions• fun and games, virtual crackers,
artistic performance, slow time• creativity and Bad Ideas• modelling dreams and regret• Tiree: mobile heritage
& youth communication
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… or even lots of lights
http:/www.hcibook.com/alan/projects/firefly/
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… let alone
http://hcicourse.com/
now atinteraction-design.org
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I am talking about ...
data
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Big Dataeveryone is talking about it
Twitter, Google, Facebook, NSA, universities, … and funding
Big Data does it with MapReduceSemantic Data does it with RDF
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the long tail
size ofdata set
a few very large data setse.g. Twitter, streams,Open Govt., OS, geonames, dbpedia the small data of ordinary life:
from local bus timetables to squash club league tables
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stories of small data …
Walking Wales
Musicology
Learning analytics
Open Data Islands and Communities
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Alan Walks Wales
1058 miles (1700km)3 million footfalls3 ½ monthsApril-July 2013 focus on IT at the margins
one thousand miles of poetry, technology and community
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vision
personalencircling, encompassing, pilgrimage, homecoming,
practicalIT for the walker & IT for local communities
philosophicalreflections on walking and space, locality and identity
researchpersonal agenda and living lab lots of
data
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data
locationGPX ... batteries ... sporadic signals ....
bio-sensingECG (heart), EDA (skin) and accelerometers
audio and imagesin the moment
textafter the event
implicit
explicit
The largest ECG trace in the public domain
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challenges (1)
locationGPX – merging and mending
bio-sensingECG & EDA – special formats & volume
audio and imagesvolume, transcription and annotation
textsemantic markup, synchronising sources
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challenges (2)
documentationmethodology of creation, data formatsfor other people to use!
meta-datafor machines to use
PRtelling the world about it!
academic culturewe do not value data!
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an offer
multiple synchronisable data streamslargest public domain ECG trace
post-hoc analysissimulate real use
please use it!
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In Concert
Concert ephemera1750–1800 Calendar of London Concerts1815–1895 Concert Life in London1894–1944 Concert Programme Exchange (BL)
External sourcesMusicBrainzMBz id as connect into Linked Data, BBC, etc.
Authoritative sources (future)e.g. British Library BNB, Concert Programmes metadata
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concert databaseclassic digital humanities?
original sources
selectedsources
systematicsample
transcription& extraction
(medium expertise)
interpretation(high expertise)
digitisedsources
authoritativedata
analysis & use(high expertise)
academicpublication
large digitalarchive(e.g. BBC)
possiblycreatelinkage
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Barriers to progress
effort and expertiseauthority and qualitydigital acontextualityopenness
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Openness and Reward
Career developmentLeverhulme & REFBuilding the discipline?
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Re-envisioning the Digital Archive:Curation and Use
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big bang to incremental
digitisedsources
authoritativedata
academicpublication
...
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big bang to incremental
problem focused augmentationtransform cost-benefit
digitialarchive
academicpublications
...
partialenhancement
& interpretation
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Learning analytics
macro-analyticsuniversity strategyMOOCs
micro-analyticsindividual course, student, resource
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world
organisationalsocial & political
context
directinteraction
data visualisation
visual analytics the big picture
?decision
action
processing
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simple model: actors, agents and events
individualresources structures
& courses
repository
?
??
?
academiclife
studentlife
learning supportsystems
creation& reuse
delivery
peerinteraction
community ofpractice
feedback
tutor – studentinteractions
analytics
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analytics and action
action
??
?
recognise issues
current coursefuture course
allowMacawber management
analyticsvisualisation
automatic
drivers capability
value
careerdevelopment
resources
time
course materialscommunication
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time frames for learning analytics
days and hoursemail, during lectures and labs, stduent meetings, gaps
weekpreparing for teaching, exercises
months/mid-semesterreporting points, staff meetings, cohort/student progress
end of semester/term/yearexams, exam boards, course revew,
start of semester/term/yearpreparing for new courses or re-runs, rollover!
yearsnew courses, professional development, appraisal, promotion
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Open Data
everyone is doing it
Governments, Cities, local gov.
In C21 Data is Power
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why not an island?
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island data flows
Community
groups and individuals
rest ofthe world
othercommunities
12
3
4
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island data flowsfrom community to world
Community
groups and individuals
rest ofthe world
1• visibility and
control• identity and
empowerment• level of detail• local knowledge
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island data flowsfrom world to community
Community
groups and individuals
rest ofthe world
2 • making the mostof open data• local decision
making• lobbying and
negotiation
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island data flowswithin the community
Community
groups and individuals
3
• gossip is not enough!• sparse, dispersed population• social cohesion and economic benefits
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island data flowsbetween communities
Community
groups and individuals
othercommunities
4
• sharing best practice• brand presence• interlinked data
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benefits to …
the communityempowerment and controlavailability of informationcommunication within and between communities
the worldimproved quality of datalevel of detail of datalocal knowledge and understanding
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themes and take-aways ...
data in context
heterogeneity and linking
value and values
ethics and empowerment
…. and please use my data
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