1 October 2014

Present: Lee, Nic, Lance, Tom (scribe), Ben, Beryl, Tim, Wren, Eddie

Finishing some Student Project Ideas from Last Week

Eddie – He’s tried some stuff with Brevis and Quill. He might next work some with Pucks.

Ben – Not sure yet. Maybe something A-Life-y?

Tom’s Benchmark Problems

Should we include problems beyond iJava and Yuriy’s paper?

  • We should have a citable source outside our work for the problem — i.e. not “we made it up”. Otherwise, probably “yes”.
    • FizzBuzz (kata) – yes
    • Bowling (kata) – maybe
    • Factorial – maybe (too easy?)
    • WC – yes
    • US Change – maybe (need citable source)
  • Tom will consult rest of committee.

Pollen Tubes

Wren is going to try some things and consult others to try to see if a solution already exists.

Homology of Population

  • Levenshtein distance of pairs of programs seems like good measurement.
  • Likely can’t test all pairs, since this will usually be about 1 million Levenshtein distance computations. This will probably be too slow.
  • Instead, sample random pairs of individuals — maybe on the order of 1000 to 10000.
    • May need to do validation to make sure the sample results really reflect the population.
    • Report: median, quartiles, mean, standard deviation.

Nic McPhee Presents: Analysis of Ancestry in GP with a Graph DB

  • Using Neo4j – a graph database – to store ancestry info throughout a GP run.
  • Makes ancestry info easy to collect and query.
  • NeoCons – Clojure with Neo4j
  • Cool stats can be queried from the database!
  • Could be neat to look at common ancestries using different parent selection methods!

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