Sane words challenge

Guess if a given word is a correct Polish word in a given domain. Additionally, you have the information on reported frequency of the word in source texts.

submitter when description dev-0/F2.0 test-A/F2.0
R.J. 2017-01-08 10:59 approximate frequencies 0.417485265225933 0.401218892839005
R.J. 2017-01-07 22:08 approximate frequencies 0.418707149853085 0.413932357395255
R.J. 2017-01-07 16:40 spellcheck suggestions 0.412168792934249 0.405679513184584
R.J. 2017-01-06 18:24 letter histograms 0.416051206302314 0.405612244897959
R.J. 2017-01-06 18:10 improved learning rate 0.414610069101678 0.406649616368286
R.J. 2017-01-06 18:06 improved spellchecking 0.411532774765895 0.40112416964742
p/tlen 2016-12-27 13:33 ensemble of 3 simple neural networks 0.419277827514175 0.393759286775631
p/tlen 2016-12-27 11:31 averaged 3 sub-NNs 0.415833095170049 0.392544478960746
p/tlen 2016-12-27 11:29 averaged 3 sub-NNs 0.415833095170049 0.380952380952381
p/tlen 2016-12-27 09:56 simple neural network with frequencies taken into account (tanh) 0.421559771153267 0.402836451418226
p/tlen 2016-12-27 09:14 simple neural network with frequencies taken into account neural-network 0.426699177080159 0.404101326899879
p/tlen 2016-12-27 09:07 simple neural network with frequencies taken into account 0.426699177080159 0.346144664597756
p/tlen 2016-12-26 17:18 simple neural network without drop-out 0.399326805385557 0.400489147049832
p/tlen 2016-12-23 22:07 simpler neural network but trained longer 0.375556137136875 0.354796320630749
p/tlen 2016-12-23 21:16 even simpler neural network 0.349115255858441 0.331412103746398
siulkilulki 2016-12-19 20:14 random yolo with correct output file xD N/A 6.70859538784067e-2
siulkilulki 2016-12-19 20:08 random yolo N/A N/A
R.J. 2016-12-15 20:26 tuned parameters 0.420949583945179 0.401015228426396
R.J. 2016-12-13 23:47 vw ngrams, suffixes, spellcheckers 0.392710472279261 0.34729586426299
p/tlen 2016-12-12 21:52 stupid neural network by night 0.333687566418704 0.311167945439045
p/tlen 2016-12-10 14:50 trivial solution (handcrafted one-liner) 0.24358557973368 0.195744680851064