add .project .classpath
validation package added
removed all useless files
update LLP
add xu_dong validate
Write testing method
PerformanceTest
update PerformanceTets
add validate main
test meger
Merge remote-tracking branch 'origin/yxcntu' into GL
Add performance test method
Correct CosineDissimilarity. Change the sign of se if se is less than 0.
Change KNN such that it could help LPP to get the adjacency graph
Improve LPP to accuracy 50%
Delete three files
improve LPP to 67%
add evaluation method
Change some test cases
Why?