ask for help

[Zhiguang Qian]

    I am a student in computer science. Now I am working on the DNA or
protein sequences alignment, expecially non-intersecting local alignment
algorithm. Since I have no biology background I want to know the meaning 
or usage of non-intersecting local alignmen in the molecular biology 
reseach.
 
    The local alignment algorithm can locate matching segments within two 
sequences. The non-intersecting alignment means the matchings in the 
previous i local alignments will not be chosen as matching in the i+1 and 
later local alignments if we want to find K local alignments.

    I appreciate any help from you.

    Thanks.

Zhiguang Qian
 
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