Add new datasets"

experiments/.gitkeep

...iments/20newsgroups_vectorized/stage1/none_wo_params.json

...riments/20newsgroups_vectorized/stage1/omp_wo_params.json

experiments/20newsgroups_vectorized/stage1/params.json

...ents/20newsgroups_vectorized/stage1/random_wo_params.json

...ents/20newsgroups_vectorized/stage2/no_normalization.json

experiments/20newsgroups_vectorized/stage2/normalize_D.json

...newsgroups_vectorized/stage2/normalize_D_and_weights.json

...nts/20newsgroups_vectorized/stage2/normalize_weights.json

...ents/20newsgroups_vectorized/stage3/train-dev_subset.json

...0newsgroups_vectorized/stage3/train-train-dev_subset.json

experiments/boston/stage1/none_wo_params.json

experiments/boston/stage1/omp_with_params.json

experiments/boston/stage1/omp_wo_params.json

experiments/boston/stage1/params.json

experiments/boston/stage1/random_with_params.json

experiments/boston/stage1/random_wo_params.json

experiments/boston/stage2/no_normalization.json

experiments/boston/stage2/normalize_D.json

experiments/boston/stage2/normalize_D_and_weights.json