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{{Paper
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|pdfUrl=https://ceur-ws.org/Vol-823/preface.pdf
|volume=Vol-823
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==None==
https://ceur-ws.org/Vol-823/preface.pdf
Preface
Dynamically
generated
hypertext
adapted
and
personalized
to
the
users’
needs
and
abilities
has
proven
to
be
a
very
successful
technique
over
the
last
decade
and
a
half.
It
is
particularly
helpful
for
reducing
the
information
overload
that
frequently
occurs
in
the
modern
information-‐driven
world.
Adaptive
hypertext
is
equally
effective
for
accessing
many
types
of
items,
be
it
news,
products,
artifacts
or
descriptions
thereof
in
electronic
shops,
libraries
or
museums,
or
even
learning
materials.
Architecture
and
framework
building
efforts
allow
hypertext
community
to
lay
the
foundations
for
the
creation
of
generic
system
reference
models
that
spawn
research
activities
in
multiple
domains.
Examples
of
such
generic
models
are
AHAM
for
adaptive
hypermedia
and
FOHM
for
open
hypermedia
as
well
as
the
APeLS
and
Personal
Reader
frameworks
for
service-‐based
adaptive
hypermedia.
Rapid
expansion
of
hypertext,
web-‐based
systems,
and
adaptive
hypermedia
resulted
in
the
emergence
of
a
plethora
of
new
terms,
conceptual
models,
and
prototype
systems.
Classical
hypermedia
models
are
no
longer
capable
of
capturing
phenomena
that
evolve
in
the
Social
and
Semantic
Web.
In
particular,
open
corpus
adaptation,
ontologies,
group
adaptation,
and
data
mining
tools
for
adaptation
are
not
supported
or
supported
in
a
limited
fashion.
The
DAH'11
workshop
was
organized
in
conjunction
with
the
22th
ACM
International
Conference
on
Hypertext
and
Hypermedia
and
held
on
June
6,
2011,
in
Eindhoven,
the
Netherlands.
It
builds
on
the
success
of
DAH’09
at
Hypertext’09
and
WABBWUAS’10
workshop
at
UMAP
2010.
The
workshop
provided
a
focused
international
forum
for
researchers
to
present,
discuss
and
explore
the
state
of
the
art
as
well
as
outline
promising
future
research
directions
of
dynamic
and
adaptive
hypertext.
The
workshop
addressed
different
aspects
of
dynamic
and
adaptive
hypertext
by
focusing
on
generic
frameworks,
approaches
and
techniques
and
ways
of
reusing
novel
models
and/or
existing
system
and
their
components
for
building
adaptive
hypermedia
systems.
The
DAH’11
workshop
therefore
covered
the
following
(non-‐exhaustive)
list
of
topics:
§ Adaptation
and
personalization
o open-‐corpus
adaptation
o group
adaptation
o sharing
user
models
§ Adaptive/Dynamic
Hypertext
authoring
o authoring
conceptual
adaptation
models
§ Data
mining
for
o user
modeling
o domain
modeling
o automatic
generation
of
adaptation
rules
§ Adaptation
frameworks
o reusing
adaptation
reasoning
and
techniques
o evaluation
of
frameworks
o scalability
and
performance
issues
The
DAH’11
proceedings
include
six
accepted
contributions
that
were
presented
at
the
workshop.
The
first
paper
by
Hannon
et
al.
“Bridging
Recommendation
and
Adaptation:
Generic
Adaptation
Framework
-‐
Twittomender
compliance
case-‐study”
discusses
Recommender
System
(RS)
modeling
in
terms
of
Adaptive
Hypermedia
Systems
(AHS).
The
authors
investigate
AHS
and
RS
functionality
compliance
in
terms
of
common
features,
functionality,
building
blocks
and
composition
of
the
system
and
bring
up
complementary
aspects
of
adaptation,
personalization
and
recommendation
in
a
context
of
a
generic
framework.
As
a
case
study
of
their
research
the
authors
scrutinize
the
‘Twittomender’
RS,
decompose
it
in
building
blocks,
outline
and
highlight
its
properties
along
with
the
advantages
and
possible
enhancements
of
the
system.
Celik
et
al.
present
their
work
entitled
“Towards
a
Framework
for
Adaptive
Faceted
Search
on
Twitter”
and
propose
strategies
for
inferring
facets
and
facet
values
on
Twitter
by
enriching
the
semantics
of
individual
Twitter
messages.
The
paper
presents
different
methods,
including
personalized
and
context-‐adaptive
methods,
for
making
faceted
search
on
Twitter
more
effective.
The
authors
also
conduct
a
preliminary
analysis
that
shows
that
semantic
enrichment
of
tweets
is
essential
for
faceted
search
on
Twitter
and
that
there
is
essential
need
for
adaptive
faceted
search
on
Twitter
and
finally
propose
an
evaluation
methodology.
Grishchenko
et
al.
in
“Referencing
within
evolving
hypertext”
introduce
a
minimalistic
but
powerful
query
language
of
specifiers
that
allows
for
great
flexibility
in
referencing
within
a
changing
hypertext.
This
helps
to
capture
the
state
of
the
hypertext,
point
at
changes,
expose
authorship
or
blend
branches
of
the
versioned
hypertext
structures.
Their
approach
is
based
on
the
Casual
Tree
model.
The
paper
by
Zemirline
et
al.
“A
set
of
adaptation
patterns
for
expressing
adaptive
navigation
in
Adaptive
Hypermedia”
presents
a
set
of
22
adaptation
patterns
which
are
independent
of
any
application
domain
and
adaptation
engines.
These
patterns
have
been
translated
to
LAG
and
GLAM
adaptation
languages
in
order
to
plug
them
on
existing
adaptation
engines.
Currently
they
are
used
in
the
so-‐called
EAP
framework
to
define
complex
adaptation
strategies.
Knutov
et
al.
in
“Adaptive
Hypermedia
Systems
Analysis
Approach
by
Means
of
the
GAF
Framework”
consider
an
analysis
approach
of
AHS
composition
and
design
by
defining
building
blocks’
interfaces
and
presenting
corresponding
dependencies
by
means
of
the
GAF
framework,
which
helps
to
identify
system
design
guidelines
and
and
facilitates
the
creation
of
adaptive
systems
from
scratch.
In
their
paper
authors
analyze
adaptive
system
behaviour,
architecture
and
risks
involved.
In
the
last
paper
“Open
Corpus
Adaptation++
in
GALE:
Friend
or
Foe?”
by
Smits
and
De
Bra
raise
a
discussion
about
Open
Corpus
Adaptation.
They
describe
how
their
GALE
engine
implementation
achieves
Open
Corpus
adaptation
functionality
and
pose
the
question
whether
this
is
actually
a
desired
feature
or
potentially
a
dangerous
addition
with
unintended
consequences.
We
would
like
to
thank
the
authors
for
their
interest
in
the
workshop
and
for
submitting
their
contributions.
And
we
thank
the
PC
members
for
their
help
in
reviewing
the
submitted
papers.
Mykola
Pechenizkiy
Evgeny
Knutov
Michael
Yudelson
Fabian
Abel
Eelco
Herder
Geert-‐Jan
Houben
DAH’11
Organizing
Committee,
June
2011
Organization
DAH
2011
is
co-‐located
with
the
22nd
International
Conference
on
Hypertext
and
Hypermedia
(HT)
2011,
Eindhoven,
The
Netherlands.
Organizing
Committee
Mykola
Pechenizkiy
Evgeny
Knutov
Michael
Yudelson
Fabian
Abel
Eelco
Herder
Geert-‐Jan
Houben
Program
Committee
Paul,
De
Bra
(Eindhoven
University
of
Technology,
the
Netherlands)
Kevin
Koidl
(Trinity
College
Dublin,
Ireland)
Ben
Steichen
(Trinity
College
Dublin,
Ireland)
Ian
O'Keeffe
(Trinity
College
Dublin,
Ireland)
Riccardo
Mazza
(SUPSI,
University
of
Lugano,
Switzerland)
Tsvi
Kuflik
(Haifa
University,
Israel)
Daniel
Krause
(Leibniz
Universität
Hannover,
Germany)