<s>
The	O
principles	B-Application
of	I-Application
user	I-Application
interface	I-Application
design	I-Application
are	O
intended	O
to	O
improve	O
the	O
quality	O
of	O
user	O
interface	O
design	O
.	O
</s>
<s>
According	O
to	O
Lucy	O
Lockwood	O
's	O
approach	O
of	O
usage-centered	B-General_Concept
design	I-General_Concept
,	O
these	O
principles	O
are	O
:	O
</s>
