Open Projector Open Data Manchester Visualisation Meeting

Semi-‐Automa+c
Visual

Explora+on
of
Linked
Data

Le;eris
Tatakis

Le;eris.tatakis@manchester.ac.uk

@Ltatakis

Overview
of
Problem

hEp://blog.datalicious.com/data-‐visualisa+on/phone-‐data-‐malte-‐spitz-‐die-‐zeit-‐germany/

mapping

What
we
have
Where
we
want
to
be

Overview
Example

•  Open
Data
Manchester
Linked
Data
visualisa+ons.

•  You
need
to
specify:
SPARQL
Query
and
Visualisa+on.

•  Requires:
+me,
eﬀort
and
technical
knowledge.

Heat
map
of
ﬁres
Street
light
issues

hEps://github.com/GMDSP-‐Linked-‐Data/PhaseTwo/tree/master/Visualisa+ons

Research
Goals

•  Our
aim
is
to
support
developers
who
provide

tools
for
end
users.

•  Allow
the
developers
to
explore,
evaluate
and

understand
underlying
data.

•  “I
have
all
this
data
but
I
don’t
know
what

informa+on
is
in
here!”

•  Allow
developers
to
provide
their
feedback

during
the
processing
of
the
data
in
an
semi-‐
automa+c
fashion.

Cycle
of
Visual
Analysis

Cycle
of
visual
analysis,
BioVis
2015,
Tableau

Research
Ques+ons

•  What
are
the
key
characteris+cs
that
aﬀect
the

choice
of
data
visualisa+ons?

•  Which
aspects
of
the
user's
task
must
we

understand
to
provide
an
appropriate
selec+on

of
data
visualisa+ons?

•  How
do
we
map
the
characteris+cs
of
the
data

sources
to
the
characteris+cs
of
exis+ng

visualisa+ons.

ODM
Community

•  Do
you
have
Linked
Data
and
have
no
idea
how

to
understand/explore
it?

•  I
would
like
to
understand
the
process
and
the

way
you
work
with
the
data.

•  How
can
we
improve
it?

•  Are
visualisa+ons
always
appropriate?

•  Collabora+ng
with
the
community.

•  Data

•  Comments

•  Insights

•  Ideas

•  Interested
/
Curious

•  Solved
it?

Thank
you!

@LTatakis

le;eris.tatakis@manchester.ac.uk

Open Projector Open Data Manchester Visualisation Meeting

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