<s>
The	O
real-time	B-Application
web	I-Application
is	O
a	O
network	B-Architecture
web	O
using	O
technologies	O
and	O
practices	O
that	O
enable	O
users	O
to	O
receive	O
information	O
as	O
soon	O
as	O
it	O
is	O
published	O
by	O
its	O
authors	O
,	O
rather	O
than	O
requiring	O
that	O
they	O
or	O
their	O
software	O
check	O
a	O
source	O
periodically	O
for	O
updates	O
.	O
</s>
<s>
The	O
real-time	B-Application
web	I-Application
is	O
different	O
from	O
real-time	B-General_Concept
computing	I-General_Concept
in	O
that	O
there	O
is	O
no	O
knowing	O
when	O
,	O
or	O
if	O
,	O
a	O
response	O
will	O
be	O
received	O
.	O
</s>
<s>
The	O
information	O
types	O
transmitted	O
this	O
way	O
are	O
often	O
short	O
messages	O
,	O
status	B-Application
updates	I-Application
,	O
news	O
alerts	O
,	O
or	O
links	O
to	O
longer	O
documents	O
.	O
</s>
<s>
Examples	O
of	O
real-time	B-Application
web	I-Application
are	O
Facebook	O
's	O
newsfeed	O
,	O
and	O
Twitter	O
,	O
implemented	O
in	O
social	O
networking	O
,	O
search	O
,	O
and	O
news	O
sites	O
.	O
</s>
<s>
In	O
December	O
2009	O
real-time	O
search	O
facilities	O
were	O
added	O
to	O
Google	B-Application
Search	I-Application
.	O
</s>
<s>
The	O
absolutely	O
first	O
realtime	B-Application
web	I-Application
implementation	O
worldwide	O
have	O
been	O
the	O
WIMS	O
true-realtime	O
server	O
and	O
its	O
web	O
apps	O
in	O
2001-2011	O
(	O
WIMS	O
=	O
Web	O
Interactive	O
Management	O
System	O
)	O
;	O
based	O
on	O
the	O
True-RealTime	O
Web	O
(	O
WEB-r	O
)	O
model	O
of	O
above	O
;	O
built	O
in	O
WIMS++	O
(	O
server	O
built	O
in	O
Java	O
)	O
(	O
serverside	O
)	O
and	O
Adobe	O
Flash	O
(	O
ex	O
Macromedia	O
Flash	O
)	O
(	O
clientside	O
)	O
.	O
</s>
<s>
A	O
problem	O
created	O
by	O
the	O
rapid	O
pace	O
and	O
huge	O
volume	O
of	O
information	O
created	O
by	O
real-time	B-Application
web	I-Application
technologies	O
and	O
practices	O
is	O
finding	O
relevant	O
information	O
.	O
</s>
<s>
Advancements	O
in	O
web	B-Application
search	I-Application
technology	O
coupled	O
with	O
growing	O
use	O
of	O
social	O
media	O
enable	O
online	O
activities	O
to	O
be	O
queried	O
as	O
they	O
occur	O
.	O
</s>
<s>
A	O
traditional	O
web	B-Application
search	I-Application
crawls	B-Application
and	O
indexes	B-Application
web	O
pages	O
periodically	O
,	O
returning	O
results	O
based	O
on	O
relevance	O
to	O
the	O
search	O
query	O
.	O
</s>
<s>
Google	B-Application
Real-Time	O
Search	O
was	O
available	O
in	O
Google	B-Application
Search	I-Application
until	O
July	O
2011	O
.	O
</s>
