<s>
BaseX	B-Language
is	O
a	O
native	O
and	O
light-weight	O
XML	B-Application
database	I-Application
management	I-Application
system	I-Application
and	O
XQuery	B-Language
processor	O
,	O
developed	O
as	O
a	O
community	O
project	O
on	O
GitHub	O
.	O
</s>
<s>
It	O
is	O
specialized	O
in	O
storing	O
,	O
querying	O
,	O
and	O
visualizing	O
large	O
XML	B-Protocol
documents	I-Protocol
and	O
collections	O
.	O
</s>
<s>
BaseX	B-Language
is	O
platform-independent	O
and	O
distributed	O
under	O
the	O
BSD-3-Clause	B-Operating_System
license	O
.	O
</s>
<s>
In	O
contrast	O
to	O
other	O
document-oriented	B-General_Concept
databases	I-General_Concept
,	O
XML	B-Application
databases	I-Application
provide	O
support	O
for	O
standardized	O
query	O
languages	O
such	O
as	O
XPath	B-Language
and	O
XQuery	B-Language
.	O
</s>
<s>
BaseX	B-Language
is	O
highly	O
conformant	O
to	O
World	O
Wide	O
Web	O
Consortium	O
(	O
W3C	O
)	O
specifications	O
and	O
the	O
official	O
Update	O
and	O
Full	O
Text	O
extensions	O
.	O
</s>
<s>
The	O
included	O
GUI	B-Application
enables	O
users	O
to	O
interactively	O
search	O
,	O
explore	O
and	O
analyze	O
their	O
data	O
,	O
and	O
evaluate	O
XPath/XQuery	O
expressions	O
in	O
realtime	O
(	O
i.e.	O
,	O
while	O
the	O
user	O
types	O
)	O
.	O
</s>
<s>
BaseX	B-Language
uses	O
a	O
tabular	O
representation	O
of	O
XML	B-Protocol
tree	O
structures	O
to	O
store	O
XML	B-Protocol
documents	I-Protocol
.	O
</s>
<s>
The	O
XPath	B-Language
Accelerator	O
encoding	O
scheme	O
and	O
Staircase	O
Join	O
Operator	O
have	O
been	O
taken	O
as	O
inspiration	O
for	O
speeding	O
up	O
XPath	B-Language
location	O
steps	O
.	O
</s>
<s>
Additionally	O
,	O
BaseX	B-Language
provides	O
several	O
types	O
of	O
indices	B-Data_Structure
to	O
improve	O
the	O
performance	O
of	O
path	O
operations	O
,	O
attribute	O
lookups	O
,	O
text	O
comparisons	O
and	O
full-text	O
searches	O
.	O
</s>
<s>
BaseX	B-Language
was	O
started	O
by	O
Christian	O
Grün	O
at	O
the	O
University	O
of	O
Konstanz	O
in	O
2005	O
.	O
</s>
<s>
In	O
2007	O
,	O
BaseX	B-Language
went	O
open	O
source	O
and	O
has	O
been	O
under	O
the	O
BSD-3-Clause	B-Operating_System
license	O
since	O
then	O
.	O
</s>
<s>
The	O
BaseX	B-Language
server	O
is	O
a	O
pure	O
Java	B-Language
1.8	O
application	O
and	O
thus	O
runs	O
on	O
any	O
system	O
that	O
provides	O
a	O
suitable	O
Java	B-Language
implementation	O
.	O
</s>
<s>
In	O
particular	O
,	O
packages	O
are	O
available	O
for	O
Debian	O
and	O
Ubuntu	B-Operating_System
.	O
</s>
