Need help with tree edit distance and restricted top-down mapping algorithm
Hi everyone,
A couple of days ago I posted a topic on analyzing structure similarity between two web pages. After some researching, I know I need to work out some tree matching algorithms: tree edit distance algorithm(TED) and a improved version: restricted top-down mapping algorithm(RTDM). TED is about calculating the minimum operation cost(insert, delete, replace) to map one tree into another. RTDM further restricts the 3 operations to only the leaf nodes so as to improve time complexity.
This is the general idea but I'm having difficulties to find resources to let me understand and implement the algorithms. I'm using ACM portal (Association for Computing Machinery) to access the technical papers but I find that they do not provide enough info, google gives mostly the same technical papers and some websites which illustrate the general idea of these algorithms.
Hoping that you can give me some guidance on these 2 algorithms. Not looking for codes but I need more details on them. Thanks in advance.
