<s>
Quartz	B-General_Concept
is	O
a	O
job	B-General_Concept
scheduling	I-General_Concept
library	O
that	O
can	O
be	O
integrated	O
into	O
a	O
wide	O
variety	O
of	O
Java	B-Language
applications	O
.	O
</s>
<s>
Quartz	B-General_Concept
is	O
generally	O
used	O
for	O
enterprise	B-Application
class	I-Application
applications	I-Application
to	O
support	O
process	O
workflow	O
,	O
system	B-Application
management	I-Application
(	O
maintenance	O
)	O
actions	O
and	O
to	O
provide	O
timely	O
services	O
within	O
the	O
applications	O
.	O
</s>
<s>
Quartz	B-General_Concept
also	O
supports	O
clustering	O
.	O
</s>
<s>
Quartz	B-General_Concept
is	O
an	O
open-source	B-Application
product	O
from	O
the	O
Terracotta	O
company	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
port	O
to	O
.NET	B-Application
,	O
called	O
Quartz.NET	O
.	O
</s>
