Event Detection and Extraction (EDX) Explorer
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Event Detection
Data
Demonstration
The LEAF Lab
Data
Events
Cause_change_of_strength
Data: MAVEN
Event Type:
Cause_change_of_strength
Trigger words (Most frequent):
weakened (301)
intensified (161)
strengthened (145)
weakening (71)
strengthening (51)
reinforced (42)
weaken (37)
intensify (32)
strength (31)
intensifying (31)
Negative Trigger
The
main
base
of
the
Eastern
Fleet
relocated
Departing
to
East
Africa
,
and
Ceylon
was
reinforced
Cause_change_of_strength
,
but
Admiral
Sir
James
Somerville
kept
his
fast
carrier
division
,
``
Force
A
''
,
``
...
in
Indian
waters
,
to
be
ready
GetReady
to
deal
Resolve_problem
with
any
attempt
by
the
enemy
to
command
Control
those
waters
with
light
forces
only
.
''
It
then
crossed
Self_motion
through
the
islands
and
intensified
Cause_change_of_strength
only
slightly
.
It
strengthened
Cause_change_of_strength
to
a
hurricane
Catastrophe
in
the
eastern
Caribbean
Sea
,
and
it
struck
Attack
Jamaica
with
winds
near
Category
3
intensity
.
Damrey
finally
intensified
Cause_change_of_strength
into
a
typhoon
early
on
August
2
,
a
half
of
day
before
it
made
landfall
Self_motion
over
the
northern
Jiangsu
.
The
storm
rapidly
weakened
Cause_change_of_strength
before
moving
ashore
near
Fort
Walton
Beach
,
Florida
on
September
22
.
Afterwards
,
the
hurricane
Catastrophe
began
Process_start
a
weakening
Cause_change_of_strength
trend
as
it
proceeded
Self_motion
northeastward
,
and
had
degenerated
Change
into
a
tropical
storm
Catastrophe
by
the
time
it
made
Arriving
its
first
landfall
on
Nova
Scotia
later
that
day
.
On
September
9
,
the
system
regained
Getting
typhoon
intensity
and
began
Process_start
to
rapidly
intensify
Cause_change_of_strength
,
reaching
peak
intensity
on
September
10
with
maximum
sustained
winds
of
175
km/h
(
110
mph
)
.
When
the
queen
found
Know
herself
sufficiently
strong
,
she
laid
Placing
siege
to
the
castle
,
which
having
neither
a
sufficient
garrison
,
not
being
properly
fortified
Cause_change_of_strength
for
sustaining
an
attack
,
surrendered
Surrendering
,
when
the
commanders
were
executed
,
and
the
men
dismissed
.
Slight
weakening
Cause_change_of_strength
occurred
Presence
as
Hilda
made
Creating
landfall
on
the
southern
Louisiana
coast
on
October
3
.
Typhoon
Irma
then
began
Process_start
to
re-curve
towards
the
northwest
while
weakening
Cause_change_of_strength
;
the
cyclone
was
estimated
to
have
obtained
Getting
extratropical
characteristics
on
November
26
.
It
headed
Self_motion
slowly
north-northeastward
and
strengthened
Cause_change_of_strength
into
a
tropical
storm
Attack
early
on
the
following
day
.
It
quickly
strengthened
Cause_change_of_strength
to
a
tropical
storm
,
and
then
a
hurricane
Catastrophe
,
before
making
landfall
Arriving
on
Haiti
's
southwest
peninsula
.
The
cyclone
Catastrophe
began
Process_start
to
strengthen
Cause_change_of_strength
steadily
and
turned
Motion
southward
,
paralleling
the
eastern
Australian
coast
through
31
December
.
Despite
this
,
the
hurricane
Catastrophe
did
not
reintensify
,
and
continued
to
weaken
Cause_change_of_strength
as
it
headed
Self_motion
rapidly
northwestward
.
After
reaching
Arriving
the
Gulf
of
Mexico
,
Hilda
strengthened
Cause_change_of_strength
to
reach
Arriving
peak
winds
of
125
mph
(
205
km/h
)
late
on
September
18
.
In
order
to
save
Rescuing
its
southern
sector
from
complete
collapse
Catastrophe
,
the
German
high
command
Control
was
forced
Request
to
transfer
Military_operation
8
divisions
in
January-
February
and
another
26
German
divisions
as
reinforcements
Cause_change_of_strength
between
March-
May
from
across
France
,
Germany
,
Denmark
,
Poland
,
Balkans
and
Army
Group
Centre
to
the
crumbling
Destroying
front
of
Army
Group
South
.
The
Chetnik
movement
in
eastern
Bosnia
,
at
best
a
confederacy
of
local
warlords
,
was
strengthened
Cause_change_of_strength
by
mass
defections
Escaping
from
the
Partisans
.
In
an
attempt
to
strengthen
Cause_change_of_strength
their
defensive
Defending
position
in
the
South
Pacific
,
the
Japanese
decided
Deciding
to
invade
Attack
and
occupy
Control
Port
Moresby
(
in
New
Guinea
)
and
Tulagi
(
in
the
southeastern
Solomon
Islands
)
.
The
successful
conclusion
Coming_to_believe
of
the
war
Hostile_encounter
consolidated
Cause_change_of_strength
Wittelsbach
authority
in
northwestern
German
territories
and
encouraged
Influence
a
Catholic
revival
Recovering
on
the
lower
Rhine
.
However
,
shortly
thereafter
,
Ethel
rapidly
weakened
Cause_change_of_strength
back
to
a
Category
1
hurricane
while
brushing
Motion
eastern
Louisiana
.
Early
on
the
following
day
,
the
tropical
depression
then
intensified
Cause_change_of_strength
into
a
tropical
storm
Catastrophe
as
it
headed
Self_motion
generally
westward
toward
Florida
,
strengthening
Cause_change_of_strength
into
a
hurricane
Catastrophe
only
two
hours
before
making
Creating
landfall
at
Hallandale
Beach
and
Aventura
on
August
25
.
Several
hours
later
,
the
hurricane
Catastrophe
made
landfall
in
Louisiana
and
quickly
weakened
Cause_change_of_strength
.
Between
1
and
2
April
,
the
storm
Catastrophe
quickly
intensified
Cause_change_of_strength
and
attained
Achieve
its
peak
intensity
as
a
Category
5
cyclone
on
the
Australian
cyclone
intensity
scale
.
Several
hours
later
,
the
hurricane
Catastrophe
emerged
Presence
over
the
Gulf
of
Mexico
at
Category
4
strength
Cause_change_of_strength
,
with
the
Gulf
Coast
of
the
United
States
in
its
dangerous
path
.
After
five
days
of
erratic
motion
,
Gracie
became
Becoming
a
major
hurricane
Catastrophe
which
struck
Attack
South
Carolina
,
and
weakened
Cause_change_of_strength
as
it
moved up
Motion
the
Appalachians
,
bringing
Bringing
much
needed
rain
to
a
drought-plagued
region
.
After
weakening
Cause_change_of_strength
into
a
remnant
low
,
Felicia
continued
to
approach
Arriving
the
Hawaiian
Islands
and
on
August
12
,
the
system
produced
Manufacturing
copious
amounts
of
rainfall
across
several
islands
.
Modest
strengthening
Cause_change_of_strength
ensued
Process_start
,
and
the
cyclone
Catastrophe
became
Becoming
a
tropical
storm
Catastrophe
that
evening
and
a
hurricane
Catastrophe
on
the
evening
of
August
31
as
it
turned
Becoming
to
the
west-northwest
.
Once
inland
,
Betsy
was
slow
to
weaken
Cause_change_of_strength
,
and
persisted
for
two
more
days
before
degenerating
Destroying
into
an
extratropical
storm
;
these
remnants
lasted
until
September
13
.
After
a
mutually
costly
battle
Hostile_encounter
for
Fricourt
,
where
the
French
were
eventually
forced
out
,
the
front
line
stabilised
Cause_change_of_strength
and
both
sides
began
Process_start
to
dig
Self_motion
improvised
defences
.
The
troops
were
reinforced
Cause_change_of_strength
in
the
afternoon
by
two
squads
of
the
Auckland
Mounted
Rifles
Regiment
,
also
part
of
the
New
Zealand
and
Australian
Division
.
Debra
weakened
Cause_change_of_strength
as
it
moved
inland
and
ultimately
dissipated
Dispersal
on
August
29
over
Arkansas
.
In
consequence
of
the
heavy
losses
Earnings_and_losses
the
British
force
had
suffered
Earnings_and_losses
,
reinforcements
Cause_change_of_strength
were
hastily
rushed
Self_motion
to
the
area
and
became
Becoming
individual
targets
for
the
larger
French
squadron
blockading
Besieging
the
British
base
at
ÃŽle
Bourbon
.
Two
hours
later
,
Dora
weakened
Cause_change_of_strength
to
a
Category
2
hurricane
.
Anna
rapidly
weakened
Cause_change_of_strength
over
land
and
dissipated
Dispersal
later
that
day
.
Ignacio
weakened
Cause_change_of_strength
quickly
,
though
it
briefly
leveled
Cause_change_of_position_on_a_scale
off
in
intensity
as
a
Category
2
hurricane
.
About
42
hours
later
,
Faith
reached
Arriving
an
initial
peak
with
winds
of
105
mph
(
165
km/h
)
,
before
weakening
Cause_change_of_strength
slightly
on
August
26
.
Tracking
generally
west-northwestward
,
the
disturbance
was
initially
disorganized
;
under
favorable
atmospheric
conditions
,
shower
and
thunderstorm
activity
began
Process_start
to
consolidate
Cause_change_of_strength
around
a
low-pressure
center
.
Moving
generally
to
the
east
due
to
a
trough
,
the
depression
intensified
Cause_change_of_strength
into
a
tropical
storm
on
October
6
,
and
the
next
day
reached
Arriving
peak
winds
of
while
approaching
the
west
coast
of
Florida
.
The
system
weakened
Cause_change_of_strength
after
moving
Motion
inland
and
turned
Change
towards
the
east
and
later
southeast
.
Given
the
name
Kamisy
,
the
storm
Catastrophe
gradually
intensified
Cause_change_of_strength
into
an
intense
tropical
cyclone
by
April
9
.
The
Arras
Offensive
Attack
of
1917
ended
Process_end
with
the
Germans
in
possession
of
a
fortified
Cause_change_of_strength
wood
to
the
west
of
Oppy
,
Pas-de-Calais
,
which
overlooked
British
positions
.
Abby
rapidly
weakened
Cause_change_of_strength
to
a
minimal
tropical
storm
Catastrophe
a
few
days
thereafter
.
Accelerating
Cause_change_of_position_on_a_scale
toward
the
northeast
,
Otto
strengthened
Cause_change_of_strength
into
a
Category
1
hurricane
Catastrophe
on
the
Saffir–Simpson
scale
on
October
8
,
attaining
Achieve
peak
winds
of
85
mph
(
140
km/h
)
.
Sliding
southeast
of
New
England
,
the
new
storm
explosively
deepened
Cause_change_of_strength
to
become
Becoming
a
full-fledged
Becoming
nor'easter
,
with
a
minimum
central
air
pressure
of
966
mbar
.
Katrina
quickly
weakened
Cause_change_of_strength
to
a
tropical
storm
Catastrophe
,
before
emerging
Coming_to_be
into
the
Atlantic
Ocean
hours
later
.
Located
in
a
favorable
environment
for
strengthening
,
the
storm
quickly
intensified
Cause_change_of_strength
into
a
Category
2
hurricane
before
striking
the
western
part
of
Cuba
on
August
15
.
Late
on
1
February
,
the
cyclone
Catastrophe
strengthened
Cause_change_of_strength
to
a
Category
4
system
;
then
,
early
on
2
February
,
the
cyclone
Catastrophe
intensified
Cause_change_of_strength
into
a
Category
5
Severe
Tropical
Cyclone
Catastrophe
.
While
heading
west-northwestward
,
Fran
steadily
strengthened
Cause_change_of_strength
into
a
hurricane
on
August
29
,
but
weakened
Cause_change_of_strength
back
to
a
tropical
storm
Catastrophe
on
the
following
day
.
The
French
began
Process_start
the
siege
with
1,500
men
in
May
1801
,
later
reinforced
Cause_change_of_strength
to
more
than
5,000
,
but
could
not
make
an
impression
on
the
fortress
's
defences
,
instead
seeking
Motion
to
starve
the
defenders
into
submission
with
the
support
of
a
squadron
of
French
Navy
frigates
operating
off
the
coast
.
The
disturbance
was
declared
Expressing_publicly
a
tropical
cyclone
later
that
day
,
but
was
not
named
Name_conferral
Susan
until
the
next
day
,
after
it
had
intensified
Cause_change_of_strength
into
a
category
2
tropical
cyclone
on
the
Australian
Scale
.
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