<s>
Mondrian	O
is	O
an	O
open	B-Application
source	I-Application
OLAP	I-Application
(	O
online	B-Application
analytical	I-Application
processing	I-Application
)	O
server	B-Application
,	O
written	O
in	O
Java	B-Language
.	O
</s>
<s>
(	O
multidimensional	B-Language
expressions	I-Language
)	O
query	O
language	O
and	O
the	O
XML	O
for	O
Analysis	O
and	O
interface	O
specifications	O
.	O
</s>
<s>
It	O
reads	O
from	O
SQL	B-Language
and	O
other	O
data	O
sources	O
and	O
aggregates	O
data	O
in	O
a	O
memory	O
cache	O
.	O
</s>
